diff options
Diffstat (limited to 'tmk_core/common/chibios')
| -rw-r--r-- | tmk_core/common/chibios/bootloader.c | 63 | ||||
| -rw-r--r--[-rwxr-xr-x] | tmk_core/common/chibios/eeprom_stm32.c | 142 | ||||
| -rw-r--r--[-rwxr-xr-x] | tmk_core/common/chibios/eeprom_stm32.h | 64 | ||||
| -rw-r--r-- | tmk_core/common/chibios/eeprom_teensy.c | 782 | ||||
| -rw-r--r--[-rwxr-xr-x] | tmk_core/common/chibios/flash_stm32.c | 162 | ||||
| -rw-r--r--[-rwxr-xr-x] | tmk_core/common/chibios/flash_stm32.h | 15 | ||||
| -rw-r--r-- | tmk_core/common/chibios/printf.c | 277 | ||||
| -rw-r--r-- | tmk_core/common/chibios/printf.h | 59 | ||||
| -rw-r--r-- | tmk_core/common/chibios/sleep_led.c | 128 | ||||
| -rw-r--r-- | tmk_core/common/chibios/suspend.c | 46 | ||||
| -rw-r--r-- | tmk_core/common/chibios/timer.c | 46 |
11 files changed, 827 insertions, 957 deletions
diff --git a/tmk_core/common/chibios/bootloader.c b/tmk_core/common/chibios/bootloader.c index f9895237b..4cf5dae7e 100644 --- a/tmk_core/common/chibios/bootloader.c +++ b/tmk_core/common/chibios/bootloader.c @@ -7,63 +7,62 @@ /* STM32 */ /* This code should be checked whether it runs correctly on platforms */ -#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) +# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) extern uint32_t __ram0_end__; -#define BOOTLOADER_MAGIC 0xDEADBEEF -#define MAGIC_ADDR (unsigned long*)(SYMVAL(__ram0_end__) - 4) - +# define BOOTLOADER_MAGIC 0xDEADBEEF +# define MAGIC_ADDR (unsigned long *)(SYMVAL(__ram0_end__) - 4) /** \brief Jump to the bootloader * * FIXME: needs doc */ void bootloader_jump(void) { - *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader - NVIC_SystemReset(); + *MAGIC_ADDR = BOOTLOADER_MAGIC; // set magic flag => reset handler will jump into boot loader + NVIC_SystemReset(); } /** \brief Enter bootloader mode if requested * * FIXME: needs doc */ -void enter_bootloader_mode_if_requested(void) { - unsigned long* check = MAGIC_ADDR; - if(*check == BOOTLOADER_MAGIC) { - *check = 0; - __set_CONTROL(0); - __set_MSP(*(__IO uint32_t*)STM32_BOOTLOADER_ADDRESS); - __enable_irq(); +void enter_bootloader_mode_if_requested(void) { + unsigned long *check = MAGIC_ADDR; + if (*check == BOOTLOADER_MAGIC) { + *check = 0; + __set_CONTROL(0); + __set_MSP(*(__IO uint32_t *)STM32_BOOTLOADER_ADDRESS); + __enable_irq(); - typedef void (*BootJump_t)(void); - BootJump_t boot_jump = *(BootJump_t*)(STM32_BOOTLOADER_ADDRESS + 4); - boot_jump(); - while(1); - } - } + typedef void (*BootJump_t)(void); + BootJump_t boot_jump = *(BootJump_t *)(STM32_BOOTLOADER_ADDRESS + 4); + boot_jump(); + while (1) + ; + } +} #elif defined(KL2x) || defined(K20x) /* STM32_BOOTLOADER_ADDRESS */ /* Kinetis */ -#if defined(KIIBOHD_BOOTLOADER) +# if defined(KIIBOHD_BOOTLOADER) /* Kiibohd Bootloader (MCHCK and Infinity KB) */ -#define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000 +# define SCB_AIRCR_VECTKEY_WRITEMAGIC 0x05FA0000 const uint8_t sys_reset_to_loader_magic[] = "\xff\x00\x7fRESET TO LOADER\x7f\x00\xff"; -void bootloader_jump(void) { - __builtin_memcpy((void *)VBAT, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic)); - // request reset - SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk; +void bootloader_jump(void) { + __builtin_memcpy((void *)VBAT, (const void *)sys_reset_to_loader_magic, sizeof(sys_reset_to_loader_magic)); + // request reset + SCB->AIRCR = SCB_AIRCR_VECTKEY_WRITEMAGIC | SCB_AIRCR_SYSRESETREQ_Msk; } -#else /* defined(KIIBOHD_BOOTLOADER) */ +# else /* defined(KIIBOHD_BOOTLOADER) */ /* Default for Kinetis - expecting an ARM Teensy */ -#include "wait.h" +# include "wait.h" void bootloader_jump(void) { - wait_ms(100); - __BKPT(0); + wait_ms(100); + __BKPT(0); } -#endif /* defined(KIIBOHD_BOOTLOADER) */ +# endif /* defined(KIIBOHD_BOOTLOADER) */ #else /* neither STM32 nor KINETIS */ -__attribute__((weak)) -void bootloader_jump(void) {} +__attribute__((weak)) void bootloader_jump(void) {} #endif diff --git a/tmk_core/common/chibios/eeprom_stm32.c b/tmk_core/common/chibios/eeprom_stm32.c index 4b1abc968..926b581c6 100755..100644 --- a/tmk_core/common/chibios/eeprom_stm32.c +++ b/tmk_core/common/chibios/eeprom_stm32.c @@ -24,7 +24,7 @@ * the functionality use the EEPROM_Init() function. Be sure that by reprogramming * of the controller just affected pages will be deleted. In other case the non * volatile data will be lost. -******************************************************************************/ + ******************************************************************************/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ @@ -32,23 +32,22 @@ uint8_t DataBuf[FEE_PAGE_SIZE]; /***************************************************************************** -* Delete Flash Space used for user Data, deletes the whole space between -* RW_PAGE_BASE_ADDRESS and the last uC Flash Page -******************************************************************************/ + * Delete Flash Space used for user Data, deletes the whole space between + * RW_PAGE_BASE_ADDRESS and the last uC Flash Page + ******************************************************************************/ uint16_t EEPROM_Init(void) { // unlock flash FLASH_Unlock(); // Clear Flags - //FLASH_ClearFlag(FLASH_SR_EOP|FLASH_SR_PGERR|FLASH_SR_WRPERR); + // FLASH_ClearFlag(FLASH_SR_EOP|FLASH_SR_PGERR|FLASH_SR_WRPERR); return FEE_DENSITY_BYTES; } /***************************************************************************** -* Erase the whole reserved Flash Space used for user Data -******************************************************************************/ -void EEPROM_Erase (void) { - + * Erase the whole reserved Flash Space used for user Data + ******************************************************************************/ +void EEPROM_Erase(void) { int page_num = 0; // delete all pages from specified start page to the last page @@ -58,16 +57,15 @@ void EEPROM_Erase (void) { } while (page_num < FEE_DENSITY_PAGES); } /***************************************************************************** -* Writes once data byte to flash on specified address. If a byte is already -* written, the whole page must be copied to a buffer, the byte changed and -* the manipulated buffer written after PageErase. -*******************************************************************************/ -uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte) { - + * Writes once data byte to flash on specified address. If a byte is already + * written, the whole page must be copied to a buffer, the byte changed and + * the manipulated buffer written after PageErase. + *******************************************************************************/ +uint16_t EEPROM_WriteDataByte(uint16_t Address, uint8_t DataByte) { FLASH_Status FlashStatus = FLASH_COMPLETE; uint32_t page; - int i; + int i; // exit if desired address is above the limit (e.G. under 2048 Bytes for 4 pages) if (Address > FEE_DENSITY_BYTES) { @@ -78,27 +76,25 @@ uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte) { page = FEE_ADDR_OFFSET(Address) / FEE_PAGE_SIZE; // if current data is 0xFF, the byte is empty, just overwrite with the new one - if ((*(__IO uint16_t*)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))) == FEE_EMPTY_WORD) { - + if ((*(__IO uint16_t *)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))) == FEE_EMPTY_WORD) { FlashStatus = FLASH_ProgramHalfWord(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address), (uint16_t)(0x00FF & DataByte)); } else { - // Copy Page to a buffer - memcpy(DataBuf, (uint8_t*)FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE), FEE_PAGE_SIZE); // !!! Calculate base address for the desired page + memcpy(DataBuf, (uint8_t *)FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE), FEE_PAGE_SIZE); // !!! Calculate base address for the desired page // check if new data is differ to current data, return if not, proceed if yes - if (DataByte == *(__IO uint8_t*)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))) { + if (DataByte == *(__IO uint8_t *)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))) { return 0; } // manipulate desired data byte in temp data array if new byte is differ to the current DataBuf[FEE_ADDR_OFFSET(Address) % FEE_PAGE_SIZE] = DataByte; - //Erase Page + // Erase Page FlashStatus = FLASH_ErasePage(FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE)); // Write new data (whole page) to flash if data has been changed - for(i = 0; i < (FEE_PAGE_SIZE / 2); i++) { + for (i = 0; i < (FEE_PAGE_SIZE / 2); i++) { if ((__IO uint16_t)(0xFF00 | DataBuf[FEE_ADDR_OFFSET(i)]) != 0xFFFF) { FlashStatus = FLASH_ProgramHalfWord((FEE_PAGE_BASE_ADDRESS + (page * FEE_PAGE_SIZE)) + (i * 2), (uint16_t)(0xFF00 | DataBuf[FEE_ADDR_OFFSET(i)])); } @@ -107,98 +103,86 @@ uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte) { return FlashStatus; } /***************************************************************************** -* Read once data byte from a specified address. -*******************************************************************************/ -uint8_t EEPROM_ReadDataByte (uint16_t Address) { - + * Read once data byte from a specified address. + *******************************************************************************/ +uint8_t EEPROM_ReadDataByte(uint16_t Address) { uint8_t DataByte = 0xFF; // Get Byte from specified address - DataByte = (*(__IO uint8_t*)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))); + DataByte = (*(__IO uint8_t *)(FEE_PAGE_BASE_ADDRESS + FEE_ADDR_OFFSET(Address))); return DataByte; } /***************************************************************************** -* Wrap library in AVR style functions. -*******************************************************************************/ -uint8_t eeprom_read_byte (const uint8_t *Address) -{ - const uint16_t p = (const uint32_t) Address; + * Wrap library in AVR style functions. + *******************************************************************************/ +uint8_t eeprom_read_byte(const uint8_t *Address) { + const uint16_t p = (const uint32_t)Address; return EEPROM_ReadDataByte(p); } -void eeprom_write_byte (uint8_t *Address, uint8_t Value) -{ - uint16_t p = (uint32_t) Address; +void eeprom_write_byte(uint8_t *Address, uint8_t Value) { + uint16_t p = (uint32_t)Address; EEPROM_WriteDataByte(p, Value); } -void eeprom_update_byte (uint8_t *Address, uint8_t Value) -{ - uint16_t p = (uint32_t) Address; +void eeprom_update_byte(uint8_t *Address, uint8_t Value) { + uint16_t p = (uint32_t)Address; EEPROM_WriteDataByte(p, Value); } -uint16_t eeprom_read_word (const uint16_t *Address) -{ - const uint16_t p = (const uint32_t) Address; - return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p+1) << 8); +uint16_t eeprom_read_word(const uint16_t *Address) { + const uint16_t p = (const uint32_t)Address; + return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p + 1) << 8); } -void eeprom_write_word (uint16_t *Address, uint16_t Value) -{ - uint16_t p = (uint32_t) Address; - EEPROM_WriteDataByte(p, (uint8_t) Value); - EEPROM_WriteDataByte(p + 1, (uint8_t) (Value >> 8)); +void eeprom_write_word(uint16_t *Address, uint16_t Value) { + uint16_t p = (uint32_t)Address; + EEPROM_WriteDataByte(p, (uint8_t)Value); + EEPROM_WriteDataByte(p + 1, (uint8_t)(Value >> 8)); } -void eeprom_update_word (uint16_t *Address, uint16_t Value) -{ - uint16_t p = (uint32_t) Address; - EEPROM_WriteDataByte(p, (uint8_t) Value); - EEPROM_WriteDataByte(p + 1, (uint8_t) (Value >> 8)); +void eeprom_update_word(uint16_t *Address, uint16_t Value) { + uint16_t p = (uint32_t)Address; + EEPROM_WriteDataByte(p, (uint8_t)Value); + EEPROM_WriteDataByte(p + 1, (uint8_t)(Value >> 8)); } -uint32_t eeprom_read_dword (const uint32_t *Address) -{ - const uint16_t p = (const uint32_t) Address; - return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p+1) << 8) - | (EEPROM_ReadDataByte(p+2) << 16) | (EEPROM_ReadDataByte(p+3) << 24); +uint32_t eeprom_read_dword(const uint32_t *Address) { + const uint16_t p = (const uint32_t)Address; + return EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p + 1) << 8) | (EEPROM_ReadDataByte(p + 2) << 16) | (EEPROM_ReadDataByte(p + 3) << 24); } -void eeprom_write_dword (uint32_t *Address, uint32_t Value) -{ - uint16_t p = (const uint32_t) Address; - EEPROM_WriteDataByte(p, (uint8_t) Value); - EEPROM_WriteDataByte(p+1, (uint8_t) (Value >> 8)); - EEPROM_WriteDataByte(p+2, (uint8_t) (Value >> 16)); - EEPROM_WriteDataByte(p+3, (uint8_t) (Value >> 24)); +void eeprom_write_dword(uint32_t *Address, uint32_t Value) { + uint16_t p = (const uint32_t)Address; + EEPROM_WriteDataByte(p, (uint8_t)Value); + EEPROM_WriteDataByte(p + 1, (uint8_t)(Value >> 8)); + EEPROM_WriteDataByte(p + 2, (uint8_t)(Value >> 16)); + EEPROM_WriteDataByte(p + 3, (uint8_t)(Value >> 24)); } -void eeprom_update_dword (uint32_t *Address, uint32_t Value) -{ - uint16_t p = (const uint32_t) Address; - uint32_t existingValue = EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p+1) << 8) - | (EEPROM_ReadDataByte(p+2) << 16) | (EEPROM_ReadDataByte(p+3) << 24); - if(Value != existingValue){ - EEPROM_WriteDataByte(p, (uint8_t) Value); - EEPROM_WriteDataByte(p+1, (uint8_t) (Value >> 8)); - EEPROM_WriteDataByte(p+2, (uint8_t) (Value >> 16)); - EEPROM_WriteDataByte(p+3, (uint8_t) (Value >> 24)); +void eeprom_update_dword(uint32_t *Address, uint32_t Value) { + uint16_t p = (const uint32_t)Address; + uint32_t existingValue = EEPROM_ReadDataByte(p) | (EEPROM_ReadDataByte(p + 1) << 8) | (EEPROM_ReadDataByte(p + 2) << 16) | (EEPROM_ReadDataByte(p + 3) << 24); + if (Value != existingValue) { + EEPROM_WriteDataByte(p, (uint8_t)Value); + EEPROM_WriteDataByte(p + 1, (uint8_t)(Value >> 8)); + EEPROM_WriteDataByte(p + 2, (uint8_t)(Value >> 16)); + EEPROM_WriteDataByte(p + 3, (uint8_t)(Value >> 24)); } } void eeprom_read_block(void *buf, const void *addr, uint32_t len) { - const uint8_t *p = (const uint8_t *)addr; - uint8_t *dest = (uint8_t *)buf; + const uint8_t *p = (const uint8_t *)addr; + uint8_t * dest = (uint8_t *)buf; while (len--) { *dest++ = eeprom_read_byte(p++); } } void eeprom_write_block(const void *buf, void *addr, uint32_t len) { - uint8_t *p = (uint8_t *)addr; + uint8_t * p = (uint8_t *)addr; const uint8_t *src = (const uint8_t *)buf; while (len--) { eeprom_write_byte(p++, *src++); @@ -206,7 +190,7 @@ void eeprom_write_block(const void *buf, void *addr, uint32_t len) { } void eeprom_update_block(const void *buf, void *addr, uint32_t len) { - uint8_t *p = (uint8_t *)addr; + uint8_t * p = (uint8_t *)addr; const uint8_t *src = (const uint8_t *)buf; while (len--) { eeprom_write_byte(p++, *src++); diff --git a/tmk_core/common/chibios/eeprom_stm32.h b/tmk_core/common/chibios/eeprom_stm32.h index 083eb16ee..e68914595 100755..100644 --- a/tmk_core/common/chibios/eeprom_stm32.h +++ b/tmk_core/common/chibios/eeprom_stm32.h @@ -31,53 +31,53 @@ // HACK ALERT. This definition may not match your processor // To Do. Work out correct value for EEPROM_PAGE_SIZE on the STM32F103CT6 etc #if defined(EEPROM_EMU_STM32F303xC) - #define MCU_STM32F303CC +# define MCU_STM32F303CC #elif defined(EEPROM_EMU_STM32F103xB) - #define MCU_STM32F103RB +# define MCU_STM32F103RB #elif defined(EEPROM_EMU_STM32F072xB) - #define MCU_STM32F072CB +# define MCU_STM32F072CB #else - #error "not implemented." +# error "not implemented." #endif #ifndef EEPROM_PAGE_SIZE - #if defined (MCU_STM32F103RB) - #define FEE_PAGE_SIZE (uint16_t)0x400 // Page size = 1KByte - #define FEE_DENSITY_PAGES 2 // How many pages are used - #elif defined (MCU_STM32F103ZE) || defined (MCU_STM32F103RE) || defined (MCU_STM32F103RD) || defined (MCU_STM32F303CC) || defined(MCU_STM32F072CB) - #define FEE_PAGE_SIZE (uint16_t)0x800 // Page size = 2KByte - #define FEE_DENSITY_PAGES 4 // How many pages are used - #else - #error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." - #endif +# if defined(MCU_STM32F103RB) +# define FEE_PAGE_SIZE (uint16_t)0x400 // Page size = 1KByte +# define FEE_DENSITY_PAGES 2 // How many pages are used +# elif defined(MCU_STM32F103ZE) || defined(MCU_STM32F103RE) || defined(MCU_STM32F103RD) || defined(MCU_STM32F303CC) || defined(MCU_STM32F072CB) +# define FEE_PAGE_SIZE (uint16_t)0x800 // Page size = 2KByte +# define FEE_DENSITY_PAGES 4 // How many pages are used +# else +# error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." +# endif #endif #ifndef EEPROM_START_ADDRESS - #if defined (MCU_STM32F103RB) || defined(MCU_STM32F072CB) - #define FEE_MCU_FLASH_SIZE 128 // Size in Kb - #elif defined (MCU_STM32F103ZE) || defined (MCU_STM32F103RE) - #define FEE_MCU_FLASH_SIZE 512 // Size in Kb - #elif defined (MCU_STM32F103RD) - #define FEE_MCU_FLASH_SIZE 384 // Size in Kb - #elif defined (MCU_STM32F303CC) - #define FEE_MCU_FLASH_SIZE 256 // Size in Kb - #else - #error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." - #endif +# if defined(MCU_STM32F103RB) || defined(MCU_STM32F072CB) +# define FEE_MCU_FLASH_SIZE 128 // Size in Kb +# elif defined(MCU_STM32F103ZE) || defined(MCU_STM32F103RE) +# define FEE_MCU_FLASH_SIZE 512 // Size in Kb +# elif defined(MCU_STM32F103RD) +# define FEE_MCU_FLASH_SIZE 384 // Size in Kb +# elif defined(MCU_STM32F303CC) +# define FEE_MCU_FLASH_SIZE 256 // Size in Kb +# else +# error "No MCU type specified. Add something like -DMCU_STM32F103RB to your compiler arguments (probably in a Makefile)." +# endif #endif // DONT CHANGE // Choose location for the first EEPROM Page address on the top of flash #define FEE_PAGE_BASE_ADDRESS ((uint32_t)(0x8000000 + FEE_MCU_FLASH_SIZE * 1024 - FEE_DENSITY_PAGES * FEE_PAGE_SIZE)) -#define FEE_DENSITY_BYTES ((FEE_PAGE_SIZE / 2) * FEE_DENSITY_PAGES - 1) -#define FEE_LAST_PAGE_ADDRESS (FEE_PAGE_BASE_ADDRESS + (FEE_PAGE_SIZE * FEE_DENSITY_PAGES)) -#define FEE_EMPTY_WORD ((uint16_t)0xFFFF) -#define FEE_ADDR_OFFSET(Address)(Address * 2) // 1Byte per Word will be saved to preserve Flash +#define FEE_DENSITY_BYTES ((FEE_PAGE_SIZE / 2) * FEE_DENSITY_PAGES - 1) +#define FEE_LAST_PAGE_ADDRESS (FEE_PAGE_BASE_ADDRESS + (FEE_PAGE_SIZE * FEE_DENSITY_PAGES)) +#define FEE_EMPTY_WORD ((uint16_t)0xFFFF) +#define FEE_ADDR_OFFSET(Address) (Address * 2) // 1Byte per Word will be saved to preserve Flash // Use this function to initialize the functionality uint16_t EEPROM_Init(void); -void EEPROM_Erase (void); -uint16_t EEPROM_WriteDataByte (uint16_t Address, uint8_t DataByte); -uint8_t EEPROM_ReadDataByte (uint16_t Address); +void EEPROM_Erase(void); +uint16_t EEPROM_WriteDataByte(uint16_t Address, uint8_t DataByte); +uint8_t EEPROM_ReadDataByte(uint16_t Address); -#endif /* __EEPROM_H */ +#endif /* __EEPROM_H */ diff --git a/tmk_core/common/chibios/eeprom_teensy.c b/tmk_core/common/chibios/eeprom_teensy.c index 9061b790c..a4093fb3b 100644 --- a/tmk_core/common/chibios/eeprom_teensy.c +++ b/tmk_core/common/chibios/eeprom_teensy.c @@ -21,10 +21,10 @@ * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * - * 1. The above copyright notice and this permission notice shall be + * 1. The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * - * 2. If the Software is incorporated into a build system that allows + * 2. If the Software is incorporated into a build system that allows * selection among a list of target devices, then similar target * devices manufactured by PJRC.COM must be included in the list of * target devices and selectable in the same manner. @@ -39,7 +39,6 @@ * SOFTWARE. */ - #if defined(K20x) /* chip selection */ /* Teensy 3.0, 3.1, 3.2; mchck; infinity keyboard */ @@ -51,7 +50,7 @@ // (aligned to 2 or 4 byte boundaries) has twice the endurance // compared to writing 8 bit bytes. // -#define EEPROM_SIZE 32 +# define EEPROM_SIZE 32 // Writing unaligned 16 or 32 bit data is handled automatically when // this is defined, but at a cost of extra code size. Without this, @@ -59,286 +58,271 @@ // absolutely sure all 16 and 32 bit writes will be aligned, you can // remove the extra unnecessary code. // -#define HANDLE_UNALIGNED_WRITES +# define HANDLE_UNALIGNED_WRITES // Minimum EEPROM Endurance // ------------------------ -#if (EEPROM_SIZE == 2048) // 35000 writes/byte or 70000 writes/word - #define EEESIZE 0x33 -#elif (EEPROM_SIZE == 1024) // 75000 writes/byte or 150000 writes/word - #define EEESIZE 0x34 -#elif (EEPROM_SIZE == 512) // 155000 writes/byte or 310000 writes/word - #define EEESIZE 0x35 -#elif (EEPROM_SIZE == 256) // 315000 writes/byte or 630000 writes/word - #define EEESIZE 0x36 -#elif (EEPROM_SIZE == 128) // 635000 writes/byte or 1270000 writes/word - #define EEESIZE 0x37 -#elif (EEPROM_SIZE == 64) // 1275000 writes/byte or 2550000 writes/word - #define EEESIZE 0x38 -#elif (EEPROM_SIZE == 32) // 2555000 writes/byte or 5110000 writes/word - #define EEESIZE 0x39 -#endif +# if (EEPROM_SIZE == 2048) // 35000 writes/byte or 70000 writes/word +# define EEESIZE 0x33 +# elif (EEPROM_SIZE == 1024) // 75000 writes/byte or 150000 writes/word +# define EEESIZE 0x34 +# elif (EEPROM_SIZE == 512) // 155000 writes/byte or 310000 writes/word +# define EEESIZE 0x35 +# elif (EEPROM_SIZE == 256) // 315000 writes/byte or 630000 writes/word +# define EEESIZE 0x36 +# elif (EEPROM_SIZE == 128) // 635000 writes/byte or 1270000 writes/word +# define EEESIZE 0x37 +# elif (EEPROM_SIZE == 64) // 1275000 writes/byte or 2550000 writes/word +# define EEESIZE 0x38 +# elif (EEPROM_SIZE == 32) // 2555000 writes/byte or 5110000 writes/word +# define EEESIZE 0x39 +# endif /** \brief eeprom initialization * * FIXME: needs doc */ -void eeprom_initialize(void) -{ - uint32_t count=0; - uint16_t do_flash_cmd[] = { - 0xf06f, 0x037f, 0x7003, 0x7803, - 0xf013, 0x0f80, 0xd0fb, 0x4770}; - uint8_t status; - - if (FTFL->FCNFG & FTFL_FCNFG_RAMRDY) { - // FlexRAM is configured as traditional RAM - // We need to reconfigure for EEPROM usage - FTFL->FCCOB0 = 0x80; // PGMPART = Program Partition Command - FTFL->FCCOB4 = EEESIZE; // EEPROM Size - FTFL->FCCOB5 = 0x03; // 0K for Dataflash, 32K for EEPROM backup - __disable_irq(); - // do_flash_cmd() must execute from RAM. Luckily the C syntax is simple... - (*((void (*)(volatile uint8_t *))((uint32_t)do_flash_cmd | 1)))(&(FTFL->FSTAT)); - __enable_irq(); - status = FTFL->FSTAT; - if (status & (FTFL_FSTAT_RDCOLERR|FTFL_FSTAT_ACCERR|FTFL_FSTAT_FPVIOL)) { - FTFL->FSTAT = (status & (FTFL_FSTAT_RDCOLERR|FTFL_FSTAT_ACCERR|FTFL_FSTAT_FPVIOL)); - return; // error - } - } - // wait for eeprom to become ready (is this really necessary?) - while (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) { - if (++count > 20000) break; - } -} - -#define FlexRAM ((uint8_t *)0x14000000) +void eeprom_initialize(void) { + uint32_t count = 0; + uint16_t do_flash_cmd[] = {0xf06f, 0x037f, 0x7003, 0x7803, 0xf013, 0x0f80, 0xd0fb, 0x4770}; + uint8_t status; + + if (FTFL->FCNFG & FTFL_FCNFG_RAMRDY) { + // FlexRAM is configured as traditional RAM + // We need to reconfigure for EEPROM usage + FTFL->FCCOB0 = 0x80; // PGMPART = Program Partition Command + FTFL->FCCOB4 = EEESIZE; // EEPROM Size + FTFL->FCCOB5 = 0x03; // 0K for Dataflash, 32K for EEPROM backup + __disable_irq(); + // do_flash_cmd() must execute from RAM. Luckily the C syntax is simple... + (*((void (*)(volatile uint8_t *))((uint32_t)do_flash_cmd | 1)))(&(FTFL->FSTAT)); + __enable_irq(); + status = FTFL->FSTAT; + if (status & (FTFL_FSTAT_RDCOLERR | FTFL_FSTAT_ACCERR | FTFL_FSTAT_FPVIOL)) { + FTFL->FSTAT = (status & (FTFL_FSTAT_RDCOLERR | FTFL_FSTAT_ACCERR | FTFL_FSTAT_FPVIOL)); + return; // error + } + } + // wait for eeprom to become ready (is this really necessary?) + while (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) { + if (++count > 20000) break; + } +} + +# define FlexRAM ((uint8_t *)0x14000000) /** \brief eeprom read byte * * FIXME: needs doc */ -uint8_t eeprom_read_byte(const uint8_t *addr) -{ - uint32_t offset = (uint32_t)addr; - if (offset >= EEPROM_SIZE) return 0; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - return FlexRAM[offset]; +uint8_t eeprom_read_byte(const uint8_t *addr) { + uint32_t offset = (uint32_t)addr; + if (offset >= EEPROM_SIZE) return 0; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + return FlexRAM[offset]; } /** \brief eeprom read word * * FIXME: needs doc */ -uint16_t eeprom_read_word(const uint16_t *addr) -{ - uint32_t offset = (uint32_t)addr; - if (offset >= EEPROM_SIZE-1) return 0; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - return *(uint16_t *)(&FlexRAM[offset]); +uint16_t eeprom_read_word(const uint16_t *addr) { + uint32_t offset = (uint32_t)addr; + if (offset >= EEPROM_SIZE - 1) return 0; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + return *(uint16_t *)(&FlexRAM[offset]); } /** \brief eeprom read dword * * FIXME: needs doc */ -uint32_t eeprom_read_dword(const uint32_t *addr) -{ - uint32_t offset = (uint32_t)addr; - if (offset >= EEPROM_SIZE-3) return 0; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - return *(uint32_t *)(&FlexRAM[offset]); +uint32_t eeprom_read_dword(const uint32_t *addr) { + uint32_t offset = (uint32_t)addr; + if (offset >= EEPROM_SIZE - 3) return 0; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + return *(uint32_t *)(&FlexRAM[offset]); } /** \brief eeprom read block * * FIXME: needs doc */ -void eeprom_read_block(void *buf, const void *addr, uint32_t len) -{ - uint32_t offset = (uint32_t)addr; - uint8_t *dest = (uint8_t *)buf; - uint32_t end = offset + len; - - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - if (end > EEPROM_SIZE) end = EEPROM_SIZE; - while (offset < end) { - *dest++ = FlexRAM[offset++]; - } +void eeprom_read_block(void *buf, const void *addr, uint32_t len) { + uint32_t offset = (uint32_t)addr; + uint8_t *dest = (uint8_t *)buf; + uint32_t end = offset + len; + + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + if (end > EEPROM_SIZE) end = EEPROM_SIZE; + while (offset < end) { + *dest++ = FlexRAM[offset++]; + } } /** \brief eeprom is ready * * FIXME: needs doc */ -int eeprom_is_ready(void) -{ - return (FTFL->FCNFG & FTFL_FCNFG_EEERDY) ? 1 : 0; -} +int eeprom_is_ready(void) { return (FTFL->FCNFG & FTFL_FCNFG_EEERDY) ? 1 : 0; } /** \brief flexram wait * * FIXME: needs doc */ -static void flexram_wait(void) -{ - while (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) { - // TODO: timeout - } +static void flexram_wait(void) { + while (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) { + // TODO: timeout + } } /** \brief eeprom_write_byte * * FIXME: needs doc */ -void eeprom_write_byte(uint8_t *addr, uint8_t value) -{ - uint32_t offset = (uint32_t)addr; +void eeprom_write_byte(uint8_t *addr, uint8_t value) { + uint32_t offset = (uint32_t)addr; - if (offset >= EEPROM_SIZE) return; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - if (FlexRAM[offset] != value) { - FlexRAM[offset] = value; - flexram_wait(); - } + if (offset >= EEPROM_SIZE) return; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + if (FlexRAM[offset] != value) { + FlexRAM[offset] = value; + flexram_wait(); + } } /** \brief eeprom write word * * FIXME: needs doc */ -void eeprom_write_word(uint16_t *addr, uint16_t value) -{ - uint32_t offset = (uint32_t)addr; - - if (offset >= EEPROM_SIZE-1) return; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); -#ifdef HANDLE_UNALIGNED_WRITES - if ((offset & 1) == 0) { -#endif - if (*(uint16_t *)(&FlexRAM[offset]) != value) { - *(uint16_t *)(&FlexRAM[offset]) = value; - flexram_wait(); - } -#ifdef HANDLE_UNALIGNED_WRITES - } else { - if (FlexRAM[offset] != value) { - FlexRAM[offset] = value; - flexram_wait(); - } - if (FlexRAM[offset + 1] != (value >> 8)) { - FlexRAM[offset + 1] = value >> 8; - flexram_wait(); - } - } -#endif +void eeprom_write_word(uint16_t *addr, uint16_t value) { + uint32_t offset = (uint32_t)addr; + + if (offset >= EEPROM_SIZE - 1) return; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); +# ifdef HANDLE_UNALIGNED_WRITES + if ((offset & 1) == 0) { +# endif + if (*(uint16_t *)(&FlexRAM[offset]) != value) { + *(uint16_t *)(&FlexRAM[offset]) = value; + flexram_wait(); + } +# ifdef HANDLE_UNALIGNED_WRITES + } else { + if (FlexRAM[offset] != value) { + FlexRAM[offset] = value; + flexram_wait(); + } + if (FlexRAM[offset + 1] != (value >> 8)) { + FlexRAM[offset + 1] = value >> 8; + flexram_wait(); + } + } +# endif } /** \brief eeprom write dword * * FIXME: needs doc */ -void eeprom_write_dword(uint32_t *addr, uint32_t value) -{ - uint32_t offset = (uint32_t)addr; - - if (offset >= EEPROM_SIZE-3) return; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); -#ifdef HANDLE_UNALIGNED_WRITES - switch (offset & 3) { - case 0: -#endif - if (*(uint32_t *)(&FlexRAM[offset]) != value) { - *(uint32_t *)(&FlexRAM[offset]) = value; - flexram_wait(); - } - return; -#ifdef HANDLE_UNALIGNED_WRITES - case 2: - if (*(uint16_t *)(&FlexRAM[offset]) != value) { - *(uint16_t *)(&FlexRAM[offset]) = value; - flexram_wait(); - } - if (*(uint16_t *)(&FlexRAM[offset + 2]) != (value >> 16)) { - *(uint16_t *)(&FlexRAM[offset + 2]) = value >> 16; - flexram_wait(); - } - return; - default: - if (FlexRAM[offset] != value) { - FlexRAM[offset] = value; - flexram_wait(); - } - if (*(uint16_t *)(&FlexRAM[offset + 1]) != (value >> 8)) { - *(uint16_t *)(&FlexRAM[offset + 1]) = value >> 8; - flexram_wait(); - } - if (FlexRAM[offset + 3] != (value >> 24)) { - FlexRAM[offset + 3] = value >> 24; - flexram_wait(); - } - } -#endif +void eeprom_write_dword(uint32_t *addr, uint32_t value) { + uint32_t offset = (uint32_t)addr; + + if (offset >= EEPROM_SIZE - 3) return; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); +# ifdef HANDLE_UNALIGNED_WRITES + switch (offset & 3) { + case 0: +# endif + if (*(uint32_t *)(&FlexRAM[offset]) != value) { + *(uint32_t *)(&FlexRAM[offset]) = value; + flexram_wait(); + } + return; +# ifdef HANDLE_UNALIGNED_WRITES + case 2: + if (*(uint16_t *)(&FlexRAM[offset]) != value) { + *(uint16_t *)(&FlexRAM[offset]) = value; + flexram_wait(); + } + if (*(uint16_t *)(&FlexRAM[offset + 2]) != (value >> 16)) { + *(uint16_t *)(&FlexRAM[offset + 2]) = value >> 16; + flexram_wait(); + } + return; + default: + if (FlexRAM[offset] != value) { + FlexRAM[offset] = value; + flexram_wait(); + } + if (*(uint16_t *)(&FlexRAM[offset + 1]) != (value >> 8)) { + *(uint16_t *)(&FlexRAM[offset + 1]) = value >> 8; + flexram_wait(); + } + if (FlexRAM[offset + 3] != (value >> 24)) { + FlexRAM[offset + 3] = value >> 24; + flexram_wait(); + } + } +# endif } /** \brief eeprom write block * * FIXME: needs doc */ -void eeprom_write_block(const void *buf, void *addr, uint32_t len) -{ - uint32_t offset = (uint32_t)addr; - const uint8_t *src = (const uint8_t *)buf; - - if (offset >= EEPROM_SIZE) return; - if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); - if (len >= EEPROM_SIZE) len = EEPROM_SIZE; - if (offset + len >= EEPROM_SIZE) len = EEPROM_SIZE - offset; - while (len > 0) { - uint32_t lsb = offset & 3; - if (lsb == 0 && len >= 4) { - // write aligned 32 bits - uint32_t val32; - val32 = *src++; - val32 |= (*src++ << 8); - val32 |= (*src++ << 16); - val32 |= (*src++ << 24); - if (*(uint32_t *)(&FlexRAM[offset]) != val32) { - *(uint32_t *)(&FlexRAM[offset]) = val32; - flexram_wait(); - } - offset += 4; - len -= 4; - } else if ((lsb == 0 || lsb == 2) && len >= 2) { - // write aligned 16 bits - uint16_t val16; - val16 = *src++; - val16 |= (*src++ << 8); - if (*(uint16_t *)(&FlexRAM[offset]) != val16) { - *(uint16_t *)(&FlexRAM[offset]) = val16; - flexram_wait(); - } - offset += 2; - len -= 2; - } else { - // write 8 bits - uint8_t val8 = *src++; - if (FlexRAM[offset] != val8) { - FlexRAM[offset] = val8; - flexram_wait(); - } - offset++; - len--; - } - } +void eeprom_write_block(const void *buf, void *addr, uint32_t len) { + uint32_t offset = (uint32_t)addr; + const uint8_t *src = (const uint8_t *)buf; + + if (offset >= EEPROM_SIZE) return; + if (!(FTFL->FCNFG & FTFL_FCNFG_EEERDY)) eeprom_initialize(); + if (len >= EEPROM_SIZE) len = EEPROM_SIZE; + if (offset + len >= EEPROM_SIZE) len = EEPROM_SIZE - offset; + while (len > 0) { + uint32_t lsb = offset & 3; + if (lsb == 0 && len >= 4) { + // write aligned 32 bits + uint32_t val32; + val32 = *src++; + val32 |= (*src++ << 8); + val32 |= (*src++ << 16); + val32 |= (*src++ << 24); + if (*(uint32_t *)(&FlexRAM[offset]) != val32) { + *(uint32_t *)(&FlexRAM[offset]) = val32; + flexram_wait(); + } + offset += 4; + len -= 4; + } else if ((lsb == 0 || lsb == 2) && len >= 2) { + // write aligned 16 bits + uint16_t val16; + val16 = *src++; + val16 |= (*src++ << 8); + if (*(uint16_t *)(&FlexRAM[offset]) != val16) { + *(uint16_t *)(&FlexRAM[offset]) = val16; + flexram_wait(); + } + offset += 2; + len -= 2; + } else { + // write 8 bits + uint8_t val8 = *src++; + if (FlexRAM[offset] != val8) { + FlexRAM[offset] = val8; + flexram_wait(); + } + offset++; + len--; + } + } } /* void do_flash_cmd(volatile uint8_t *fstat) { - *fstat = 0x80; - while ((*fstat & 0x80) == 0) ; // wait + *fstat = 0x80; + while ((*fstat & 0x80) == 0) ; // wait } 00000000 <do_flash_cmd>: 0: f06f 037f mvn.w r3, #127 ; 0x7f @@ -352,128 +336,124 @@ void do_flash_cmd(volatile uint8_t *fstat) #elif defined(KL2x) /* chip selection */ /* Teensy LC (emulated) */ -#define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) +# define SYMVAL(sym) (uint32_t)(((uint8_t *)&(sym)) - ((uint8_t *)0)) extern uint32_t __eeprom_workarea_start__; extern uint32_t __eeprom_workarea_end__; -#define EEPROM_SIZE 128 +# define EEPROM_SIZE 128 static uint32_t flashend = 0; -void eeprom_initialize(void) -{ - const uint16_t *p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); +void eeprom_initialize(void) { + const uint16_t *p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); - do { - if (*p++ == 0xFFFF) { - flashend = (uint32_t)(p - 2); - return; - } - } while (p < (uint16_t *)SYMVAL(__eeprom_workarea_end__)); - flashend = (uint32_t)((uint16_t *)SYMVAL(__eeprom_workarea_end__) - 1); + do { + if (*p++ == 0xFFFF) { + flashend = (uint32_t)(p - 2); + return; + } + } while (p < (uint16_t *)SYMVAL(__eeprom_workarea_end__)); + flashend = (uint32_t)((uint16_t *)SYMVAL(__eeprom_workarea_end__) - 1); } -uint8_t eeprom_read_byte(const uint8_t *addr) -{ - uint32_t offset = (uint32_t)addr; - const uint16_t *p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); - const uint16_t *end = (const uint16_t *)((uint32_t)flashend); - uint16_t val; - uint8_t data=0xFF; - - if (!end) { - eeprom_initialize(); - end = (const uint16_t *)((uint32_t)flashend); - } - if (offset < EEPROM_SIZE) { - while (p <= end) { - val = *p++; - if ((val & 255) == offset) data = val >> 8; - } - } - return data; -} - -static void flash_write(const uint16_t *code, uint32_t addr, uint32_t data) -{ - // with great power comes great responsibility.... - uint32_t stat; - *(uint32_t *)&(FTFA->FCCOB3) = 0x06000000 | (addr & 0x00FFFFFC); - *(uint32_t *)&(FTFA->FCCOB7) = data; - __disable_irq(); - (*((void (*)(volatile uint8_t *))((uint32_t)code | 1)))(&(FTFA->FSTAT)); - __enable_irq(); - stat = FTFA->FSTAT & (FTFA_FSTAT_RDCOLERR|FTFA_FSTAT_ACCERR|FTFA_FSTAT_FPVIOL); - if (stat) { - FTFA->FSTAT = stat; - } - MCM->PLACR |= MCM_PLACR_CFCC; -} - -void eeprom_write_byte(uint8_t *addr, uint8_t data) -{ - uint32_t offset = (uint32_t)addr; - const uint16_t *p, *end = (const uint16_t *)((uint32_t)flashend); - uint32_t i, val, flashaddr; - uint16_t do_flash_cmd[] = { - 0x2380, 0x7003, 0x7803, 0xb25b, 0x2b00, 0xdafb, 0x4770}; - uint8_t buf[EEPROM_SIZE]; - - if (offset >= EEPROM_SIZE) return; - if (!end) { - eeprom_initialize(); - end = (const uint16_t *)((uint32_t)flashend); - } - if (++end < (uint16_t *)SYMVAL(__eeprom_workarea_end__)) { - val = (data << 8) | offset; - flashaddr = (uint32_t)end; - flashend = flashaddr; - if ((flashaddr & 2) == 0) { - val |= 0xFFFF0000; - } else { - val <<= 16; - val |= 0x0000FFFF; - } - flash_write(do_flash_cmd, flashaddr, val); - } else { - for (i=0; i < EEPROM_SIZE; i++) { - buf[i] = 0xFF; - } - val = 0; - for (p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); p < (uint16_t *)SYMVAL(__eeprom_workarea_end__); p++) { - val = *p; - if ((val & 255) < EEPROM_SIZE) { - buf[val & 255] = val >> 8; - } - } - buf[offset] = data; - for (flashaddr=(uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_start__); flashaddr < (uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_end__); flashaddr += 1024) { - *(uint32_t *)&(FTFA->FCCOB3) = 0x09000000 | flashaddr; - __disable_irq(); - (*((void (*)(volatile uint8_t *))((uint32_t)do_flash_cmd | 1)))(&(FTFA->FSTAT)); - __enable_irq(); - val = FTFA->FSTAT & (FTFA_FSTAT_RDCOLERR|FTFA_FSTAT_ACCERR|FTFA_FSTAT_FPVIOL);; - if (val) FTFA->FSTAT = val; - MCM->PLACR |= MCM_PLACR_CFCC; - } - flashaddr=(uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_start__); - for (i=0; i < EEPROM_SIZE; i++) { - if (buf[i] == 0xFF) continue; - if ((flashaddr & 2) == 0) { - val = (buf[i] << 8) | i; - } else { - val = val | (buf[i] << 24) | (i << 16); - flash_write(do_flash_cmd, flashaddr, val); - } - flashaddr += 2; - } - flashend = flashaddr; - if ((flashaddr & 2)) { - val |= 0xFFFF0000; - flash_write(do_flash_cmd, flashaddr, val); - } - } +uint8_t eeprom_read_byte(const uint8_t *addr) { + uint32_t offset = (uint32_t)addr; + const uint16_t *p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); + const uint16_t *end = (const uint16_t *)((uint32_t)flashend); + uint16_t val; + uint8_t data = 0xFF; + + if (!end) { + eeprom_initialize(); + end = (const uint16_t *)((uint32_t)flashend); + } + if (offset < EEPROM_SIZE) { + while (p <= end) { + val = *p++; + if ((val & 255) == offset) data = val >> 8; + } + } + return data; +} + +static void flash_write(const uint16_t *code, uint32_t addr, uint32_t data) { + // with great power comes great responsibility.... + uint32_t stat; + *(uint32_t *)&(FTFA->FCCOB3) = 0x06000000 | (addr & 0x00FFFFFC); + *(uint32_t *)&(FTFA->FCCOB7) = data; + __disable_irq(); + (*((void (*)(volatile uint8_t *))((uint32_t)code | 1)))(&(FTFA->FSTAT)); + __enable_irq(); + stat = FTFA->FSTAT & (FTFA_FSTAT_RDCOLERR | FTFA_FSTAT_ACCERR | FTFA_FSTAT_FPVIOL); + if (stat) { + FTFA->FSTAT = stat; + } + MCM->PLACR |= MCM_PLACR_CFCC; +} + +void eeprom_write_byte(uint8_t *addr, uint8_t data) { + uint32_t offset = (uint32_t)addr; + const uint16_t *p, *end = (const uint16_t *)((uint32_t)flashend); + uint32_t i, val, flashaddr; + uint16_t do_flash_cmd[] = {0x2380, 0x7003, 0x7803, 0xb25b, 0x2b00, 0xdafb, 0x4770}; + uint8_t buf[EEPROM_SIZE]; + + if (offset >= EEPROM_SIZE) return; + if (!end) { + eeprom_initialize(); + end = (const uint16_t *)((uint32_t)flashend); + } + if (++end < (uint16_t *)SYMVAL(__eeprom_workarea_end__)) { + val = (data << 8) | offset; + flashaddr = (uint32_t)end; + flashend = flashaddr; + if ((flashaddr & 2) == 0) { + val |= 0xFFFF0000; + } else { + val <<= 16; + val |= 0x0000FFFF; + } + flash_write(do_flash_cmd, flashaddr, val); + } else { + for (i = 0; i < EEPROM_SIZE; i++) { + buf[i] = 0xFF; + } + val = 0; + for (p = (uint16_t *)SYMVAL(__eeprom_workarea_start__); p < (uint16_t *)SYMVAL(__eeprom_workarea_end__); p++) { + val = *p; + if ((val & 255) < EEPROM_SIZE) { + buf[val & 255] = val >> 8; + } + } + buf[offset] = data; + for (flashaddr = (uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_start__); flashaddr < (uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_end__); flashaddr += 1024) { + *(uint32_t *)&(FTFA->FCCOB3) = 0x09000000 | flashaddr; + __disable_irq(); + (*((void (*)(volatile uint8_t *))((uint32_t)do_flash_cmd | 1)))(&(FTFA->FSTAT)); + __enable_irq(); + val = FTFA->FSTAT & (FTFA_FSTAT_RDCOLERR | FTFA_FSTAT_ACCERR | FTFA_FSTAT_FPVIOL); + ; + if (val) FTFA->FSTAT = val; + MCM->PLACR |= MCM_PLACR_CFCC; + } + flashaddr = (uint32_t)(uint16_t *)SYMVAL(__eeprom_workarea_start__); + for (i = 0; i < EEPROM_SIZE; i++) { + if (buf[i] == 0xFF) continue; + if ((flashaddr & 2) == 0) { + val = (buf[i] << 8) | i; + } else { + val = val | (buf[i] << 24) | (i << 16); + flash_write(do_flash_cmd, flashaddr, val); + } + flashaddr += 2; + } + flashend = flashaddr; + if ((flashaddr & 2)) { + val |= 0xFFFF0000; + flash_write(do_flash_cmd, flashaddr, val); + } + } } /* @@ -492,141 +472,127 @@ void do_flash_cmd(volatile uint8_t *fstat) c: 4770 bx lr */ - -uint16_t eeprom_read_word(const uint16_t *addr) -{ - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p+1) << 8); +uint16_t eeprom_read_word(const uint16_t *addr) { + const uint8_t *p = (const uint8_t *)addr; + return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8); } -uint32_t eeprom_read_dword(const uint32_t *addr) -{ - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p+1) << 8) - | (eeprom_read_byte(p+2) << 16) | (eeprom_read_byte(p+3) << 24); +uint32_t eeprom_read_dword(const uint32_t *addr) { + const uint8_t *p = (const uint8_t *)addr; + return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8) | (eeprom_read_byte(p + 2) << 16) | (eeprom_read_byte(p + 3) << 24); } -void eeprom_read_block(void *buf, const void *addr, uint32_t len) -{ - const uint8_t *p = (const uint8_t *)addr; - uint8_t *dest = (uint8_t *)buf; - while (len--) { - *dest++ = eeprom_read_byte(p++); - } +void eeprom_read_block(void *buf, const void *addr, uint32_t len) { + const uint8_t *p = (const uint8_t *)addr; + uint8_t * dest = (uint8_t *)buf; + while (len--) { + *dest++ = eeprom_read_byte(p++); + } } -int eeprom_is_ready(void) -{ - return 1; -} +int eeprom_is_ready(void) { return 1; } -void eeprom_write_word(uint16_t *addr, uint16_t value) -{ - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p, value >> 8); +void eeprom_write_word(uint16_t *addr, uint16_t value) { + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p, value >> 8); } -void eeprom_write_dword(uint32_t *addr, uint32_t value) -{ - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p++, value >> 8); - eeprom_write_byte(p++, value >> 16); - eeprom_write_byte(p, value >> 24); +void eeprom_write_dword(uint32_t *addr, uint32_t value) { + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p++, value >> 8); + eeprom_write_byte(p++, value >> 16); + eeprom_write_byte(p, value >> 24); } -void eeprom_write_block(const void *buf, void *addr, uint32_t len) -{ - uint8_t *p = (uint8_t *)addr; - const uint8_t *src = (const uint8_t *)buf; - while (len--) { - eeprom_write_byte(p++, *src++); - } +void eeprom_write_block(const void *buf, void *addr, uint32_t len) { + uint8_t * p = (uint8_t *)addr; + const uint8_t *src = (const uint8_t *)buf; + while (len--) { + eeprom_write_byte(p++, *src++); + } } #else // No EEPROM supported, so emulate it -#define EEPROM_SIZE 32 +# define EEPROM_SIZE 32 static uint8_t buffer[EEPROM_SIZE]; uint8_t eeprom_read_byte(const uint8_t *addr) { - uint32_t offset = (uint32_t)addr; - return buffer[offset]; + uint32_t offset = (uint32_t)addr; + return buffer[offset]; } void eeprom_write_byte(uint8_t *addr, uint8_t value) { - uint32_t offset = (uint32_t)addr; - buffer[offset] = value; + uint32_t offset = (uint32_t)addr; + buffer[offset] = value; } uint16_t eeprom_read_word(const uint16_t *addr) { - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p+1) << 8); + const uint8_t *p = (const uint8_t *)addr; + return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8); } uint32_t eeprom_read_dword(const uint32_t *addr) { - const uint8_t *p = (const uint8_t *)addr; - return eeprom_read_byte(p) | (eeprom_read_byte(p+1) << 8) - | (eeprom_read_byte(p+2) << 16) | (eeprom_read_byte(p+3) << 24); + const uint8_t *p = (const uint8_t *)addr; + return eeprom_read_byte(p) | (eeprom_read_byte(p + 1) << 8) | (eeprom_read_byte(p + 2) << 16) | (eeprom_read_byte(p + 3) << 24); } void eeprom_read_block(void *buf, const void *addr, uint32_t len) { - const uint8_t *p = (const uint8_t *)addr; - uint8_t *dest = (uint8_t *)buf; - while (len--) { - *dest++ = eeprom_read_byte(p++); - } + const uint8_t *p = (const uint8_t *)addr; + uint8_t * dest = (uint8_t *)buf; + while (len--) { + *dest++ = eeprom_read_byte(p++); + } } void eeprom_write_word(uint16_t *addr, uint16_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p, value >> 8); + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p, value >> 8); } void eeprom_write_dword(uint32_t *addr, uint32_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p++, value >> 8); - eeprom_write_byte(p++, value >> 16); - eeprom_write_byte(p, value >> 24); + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p++, value >> 8); + eeprom_write_byte(p++, value >> 16); + eeprom_write_byte(p, value >> 24); } void eeprom_write_block(const void *buf, void *addr, uint32_t len) { - uint8_t *p = (uint8_t *)addr; - const uint8_t *src = (const uint8_t *)buf; - while (len--) { - eeprom_write_byte(p++, *src++); - } + uint8_t * p = (uint8_t *)addr; + const uint8_t *src = (const uint8_t *)buf; + while (len--) { + eeprom_write_byte(p++, *src++); + } } #endif /* chip selection */ // The update functions just calls write for now, but could probably be optimized -void eeprom_update_byte(uint8_t *addr, uint8_t value) { - eeprom_write_byte(addr, value); -} +void eeprom_update_byte(uint8_t *addr, uint8_t value) { eeprom_write_byte(addr, value); } void eeprom_update_word(uint16_t *addr, uint16_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p, value >> 8); + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p, value >> 8); } void eeprom_update_dword(uint32_t *addr, uint32_t value) { - uint8_t *p = (uint8_t *)addr; - eeprom_write_byte(p++, value); - eeprom_write_byte(p++, value >> 8); - eeprom_write_byte(p++, value >> 16); - eeprom_write_byte(p, value >> 24); + uint8_t *p = (uint8_t *)addr; + eeprom_write_byte(p++, value); + eeprom_write_byte(p++, value >> 8); + eeprom_write_byte(p++, value >> 16); + eeprom_write_byte(p, value >> 24); } void eeprom_update_block(const void *buf, void *addr, uint32_t len) { - uint8_t *p = (uint8_t *)addr; - const uint8_t *src = (const uint8_t *)buf; - while (len--) { - eeprom_write_byte(p++, *src++); - } + uint8_t * p = (uint8_t *)addr; + const uint8_t *src = (const uint8_t *)buf; + while (len--) { + eeprom_write_byte(p++, *src++); + } } diff --git a/tmk_core/common/chibios/flash_stm32.c b/tmk_core/common/chibios/flash_stm32.c index 832bf3908..e166fc5e6 100755..100644 --- a/tmk_core/common/chibios/flash_stm32.c +++ b/tmk_core/common/chibios/flash_stm32.c @@ -17,105 +17,95 @@ */ #if defined(EEPROM_EMU_STM32F303xC) - #define STM32F303xC - #include "stm32f3xx.h" +# define STM32F303xC +# include "stm32f3xx.h" #elif defined(EEPROM_EMU_STM32F103xB) - #define STM32F103xB - #include "stm32f1xx.h" +# define STM32F103xB +# include "stm32f1xx.h" #elif defined(EEPROM_EMU_STM32F072xB) - #define STM32F072xB - #include "stm32f0xx.h" +# define STM32F072xB +# include "stm32f0xx.h" #else - #error "not implemented." +# error "not implemented." #endif #include "flash_stm32.h" #if defined(EEPROM_EMU_STM32F103xB) - #define FLASH_SR_WRPERR FLASH_SR_WRPRTERR +# define FLASH_SR_WRPERR FLASH_SR_WRPRTERR #endif /* Delay definition */ -#define EraseTimeout ((uint32_t)0x00000FFF) -#define ProgramTimeout ((uint32_t)0x0000001F) +#define EraseTimeout ((uint32_t)0x00000FFF) +#define ProgramTimeout ((uint32_t)0x0000001F) #define ASSERT(exp) (void)((0)) /** - * @brief Inserts a time delay. - * @param None - * @retval None - */ -static void delay(void) -{ + * @brief Inserts a time delay. + * @param None + * @retval None + */ +static void delay(void) { __IO uint32_t i = 0; - for(i = 0xFF; i != 0; i--) { } + for (i = 0xFF; i != 0; i--) { + } } /** - * @brief Returns the FLASH Status. - * @param None - * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, - * FLASH_ERROR_WRP or FLASH_COMPLETE - */ -FLASH_Status FLASH_GetStatus(void) -{ - if ((FLASH->SR & FLASH_SR_BSY) == FLASH_SR_BSY) - return FLASH_BUSY; + * @brief Returns the FLASH Status. + * @param None + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP or FLASH_COMPLETE + */ +FLASH_Status FLASH_GetStatus(void) { + if ((FLASH->SR & FLASH_SR_BSY) == FLASH_SR_BSY) return FLASH_BUSY; - if ((FLASH->SR & FLASH_SR_PGERR) != 0) - return FLASH_ERROR_PG; + if ((FLASH->SR & FLASH_SR_PGERR) != 0) return FLASH_ERROR_PG; - if ((FLASH->SR & FLASH_SR_WRPERR) != 0 ) - return FLASH_ERROR_WRP; + if ((FLASH->SR & FLASH_SR_WRPERR) != 0) return FLASH_ERROR_WRP; - if ((FLASH->SR & FLASH_OBR_OPTERR) != 0 ) - return FLASH_ERROR_OPT; + if ((FLASH->SR & FLASH_OBR_OPTERR) != 0) return FLASH_ERROR_OPT; return FLASH_COMPLETE; } /** - * @brief Waits for a Flash operation to complete or a TIMEOUT to occur. - * @param Timeout: FLASH progamming Timeout - * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, - * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. - */ -FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout) -{ + * @brief Waits for a Flash operation to complete or a TIMEOUT to occur. + * @param Timeout: FLASH progamming Timeout + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_WaitForLastOperation(uint32_t Timeout) { FLASH_Status status; /* Check for the Flash Status */ status = FLASH_GetStatus(); /* Wait for a Flash operation to complete or a TIMEOUT to occur */ - while ((status == FLASH_BUSY) && (Timeout != 0x00)) - { + while ((status == FLASH_BUSY) && (Timeout != 0x00)) { delay(); status = FLASH_GetStatus(); Timeout--; } - if (Timeout == 0) - status = FLASH_TIMEOUT; + if (Timeout == 0) status = FLASH_TIMEOUT; /* Return the operation status */ return status; } /** - * @brief Erases a specified FLASH page. - * @param Page_Address: The page address to be erased. - * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, - * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. - */ -FLASH_Status FLASH_ErasePage(uint32_t Page_Address) -{ + * @brief Erases a specified FLASH page. + * @param Page_Address: The page address to be erased. + * @retval FLASH Status: The returned value can be: FLASH_BUSY, FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ErasePage(uint32_t Page_Address) { FLASH_Status status = FLASH_COMPLETE; /* Check the parameters */ ASSERT(IS_FLASH_ADDRESS(Page_Address)); /* Wait for last operation to be completed */ status = FLASH_WaitForLastOperation(EraseTimeout); - if(status == FLASH_COMPLETE) - { + if (status == FLASH_COMPLETE) { /* if the previous operation is completed, proceed to erase the page */ FLASH->CR |= FLASH_CR_PER; FLASH->AR = Page_Address; @@ -123,8 +113,7 @@ FLASH_Status FLASH_ErasePage(uint32_t Page_Address) /* Wait for last operation to be completed */ status = FLASH_WaitForLastOperation(EraseTimeout); - if(status != FLASH_TIMEOUT) - { + if (status != FLASH_TIMEOUT) { /* if the erase operation is completed, disable the PER Bit */ FLASH->CR &= ~FLASH_CR_PER; } @@ -135,29 +124,25 @@ FLASH_Status FLASH_ErasePage(uint32_t Page_Address) } /** - * @brief Programs a half word at a specified address. - * @param Address: specifies the address to be programmed. - * @param Data: specifies the data to be programmed. - * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, - * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. - */ -FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) -{ + * @brief Programs a half word at a specified address. + * @param Address: specifies the address to be programmed. + * @param Data: specifies the data to be programmed. + * @retval FLASH Status: The returned value can be: FLASH_ERROR_PG, + * FLASH_ERROR_WRP, FLASH_COMPLETE or FLASH_TIMEOUT. + */ +FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) { FLASH_Status status = FLASH_BAD_ADDRESS; - if (IS_FLASH_ADDRESS(Address)) - { + if (IS_FLASH_ADDRESS(Address)) { /* Wait for last operation to be completed */ status = FLASH_WaitForLastOperation(ProgramTimeout); - if(status == FLASH_COMPLETE) - { + if (status == FLASH_COMPLETE) { /* if the previous operation is completed, proceed to program the new data */ FLASH->CR |= FLASH_CR_PG; *(__IO uint16_t*)Address = Data; /* Wait for last operation to be completed */ status = FLASH_WaitForLastOperation(ProgramTimeout); - if(status != FLASH_TIMEOUT) - { + if (status != FLASH_TIMEOUT) { /* if the program operation is completed, disable the PG Bit */ FLASH->CR &= ~FLASH_CR_PG; } @@ -168,39 +153,36 @@ FLASH_Status FLASH_ProgramHalfWord(uint32_t Address, uint16_t Data) } /** - * @brief Unlocks the FLASH Program Erase Controller. - * @param None - * @retval None - */ -void FLASH_Unlock(void) -{ + * @brief Unlocks the FLASH Program Erase Controller. + * @param None + * @retval None + */ +void FLASH_Unlock(void) { /* Authorize the FPEC Access */ FLASH->KEYR = FLASH_KEY1; FLASH->KEYR = FLASH_KEY2; } /** - * @brief Locks the FLASH Program Erase Controller. - * @param None - * @retval None - */ -void FLASH_Lock(void) -{ + * @brief Locks the FLASH Program Erase Controller. + * @param None + * @retval None + */ +void FLASH_Lock(void) { /* Set the Lock Bit to lock the FPEC and the FCR */ FLASH->CR |= FLASH_CR_LOCK; } /** - * @brief Clears the FLASH's pending flags. - * @param FLASH_FLAG: specifies the FLASH flags to clear. - * This parameter can be any combination of the following values: - * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag - * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag - * @arg FLASH_FLAG_EOP: FLASH End of Programming flag - * @retval None - */ -void FLASH_ClearFlag(uint32_t FLASH_FLAG) -{ + * @brief Clears the FLASH's pending flags. + * @param FLASH_FLAG: specifies the FLASH flags to clear. + * This parameter can be any combination of the following values: + * @arg FLASH_FLAG_PGERR: FLASH Programming error flag flag + * @arg FLASH_FLAG_WRPERR: FLASH Write protected error flag + * @arg FLASH_FLAG_EOP: FLASH End of Programming flag + * @retval None + */ +void FLASH_ClearFlag(uint32_t FLASH_FLAG) { /* Clear the flags */ FLASH->SR = FLASH_FLAG; } diff --git a/tmk_core/common/chibios/flash_stm32.h b/tmk_core/common/chibios/flash_stm32.h index 3c99cc566..33ab7867d 100755..100644 --- a/tmk_core/common/chibios/flash_stm32.h +++ b/tmk_core/common/chibios/flash_stm32.h @@ -10,7 +10,7 @@ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * - * This files are free to use from https://github.com/rogerclarkmelbourne/Arduino_STM32 and + * This files are free to use from https://github.com/rogerclarkmelbourne/Arduino_STM32 and * https://github.com/leaflabs/libmaple * * Modifications for QMK and STM32F303 by Yiancar @@ -20,22 +20,13 @@ #define __FLASH_STM32_H #ifdef __cplusplus - extern "C" { +extern "C" { #endif #include "ch.h" #include "hal.h" -typedef enum - { - FLASH_BUSY = 1, - FLASH_ERROR_PG, - FLASH_ERROR_WRP, - FLASH_ERROR_OPT, - FLASH_COMPLETE, - FLASH_TIMEOUT, - FLASH_BAD_ADDRESS - } FLASH_Status; +typedef enum { FLASH_BUSY = 1, FLASH_ERROR_PG, FLASH_ERROR_WRP, FLASH_ERROR_OPT, FLASH_COMPLETE, FLASH_TIMEOUT, FLASH_BAD_ADDRESS } FLASH_Status; #define IS_FLASH_ADDRESS(ADDRESS) (((ADDRESS) >= 0x08000000) && ((ADDRESS) < 0x0807FFFF)) diff --git a/tmk_core/common/chibios/printf.c b/tmk_core/common/chibios/printf.c index 72e3d4f8c..dbd059448 100644 --- a/tmk_core/common/chibios/printf.c +++ b/tmk_core/common/chibios/printf.c @@ -26,7 +26,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #include "printf.h" -typedef void (*putcf) (void*,char); +typedef void (*putcf)(void*, char); static putcf stdout_putf; static void* stdout_putp; @@ -35,206 +35,185 @@ static void* stdout_putp; #ifdef PRINTF_LONG_SUPPORT -static void uli2a(unsigned long int num, unsigned int base, int uc,char * bf) - { - int n=0; - unsigned int d=1; - while (num/d >= base) - d*=base; - while (d!=0) { +static void uli2a(unsigned long int num, unsigned int base, int uc, char* bf) { + int n = 0; + unsigned int d = 1; + while (num / d >= base) d *= base; + while (d != 0) { int dgt = num / d; - num%=d; - d/=base; - if (n || dgt>0|| d==0) { - *bf++ = dgt+(dgt<10 ? '0' : (uc ? 'A' : 'a')-10); + num %= d; + d /= base; + if (n || dgt > 0 || d == 0) { + *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10); ++n; - } } - *bf=0; } + *bf = 0; +} -static void li2a (long num, char * bf) - { - if (num<0) { - num=-num; +static void li2a(long num, char* bf) { + if (num < 0) { + num = -num; *bf++ = '-'; - } - uli2a(num,10,0,bf); } + uli2a(num, 10, 0, bf); +} #endif -static void ui2a(unsigned int num, unsigned int base, int uc,char * bf) - { - int n=0; - unsigned int d=1; - while (num/d >= base) - d*=base; - while (d!=0) { +static void ui2a(unsigned int num, unsigned int base, int uc, char* bf) { + int n = 0; + unsigned int d = 1; + while (num / d >= base) d *= base; + while (d != 0) { int dgt = num / d; - num%= d; - d/=base; - if (n || dgt>0 || d==0) { - *bf++ = dgt+(dgt<10 ? '0' : (uc ? 'A' : 'a')-10); + num %= d; + d /= base; + if (n || dgt > 0 || d == 0) { + *bf++ = dgt + (dgt < 10 ? '0' : (uc ? 'A' : 'a') - 10); ++n; - } } - *bf=0; } + *bf = 0; +} -static void i2a (int num, char * bf) - { - if (num<0) { - num=-num; +static void i2a(int num, char* bf) { + if (num < 0) { + num = -num; *bf++ = '-'; - } - ui2a(num,10,0,bf); } - -static int a2d(char ch) - { - if (ch>='0' && ch<='9') - return ch-'0'; - else if (ch>='a' && ch<='f') - return ch-'a'+10; - else if (ch>='A' && ch<='F') - return ch-'A'+10; - else return -1; + ui2a(num, 10, 0, bf); +} + +static int a2d(char ch) { + if (ch >= '0' && ch <= '9') + return ch - '0'; + else if (ch >= 'a' && ch <= 'f') + return ch - 'a' + 10; + else if (ch >= 'A' && ch <= 'F') + return ch - 'A' + 10; + else + return -1; +} + +static char a2i(char ch, char** src, int base, int* nump) { + char* p = *src; + int num = 0; + int digit; + while ((digit = a2d(ch)) >= 0) { + if (digit > base) break; + num = num * base + digit; + ch = *p++; } - -static char a2i(char ch, char** src,int base,int* nump) - { - char* p= *src; - int num=0; - int digit; - while ((digit=a2d(ch))>=0) { - if (digit>base) break; - num=num*base+digit; - ch=*p++; - } - *src=p; - *nump=num; + *src = p; + *nump = num; return ch; - } - -static void putchw(void* putp,putcf putf,int n, char z, char* bf) - { - char fc=z? '0' : ' '; - char ch; - char* p=bf; - while (*p++ && n > 0) - n--; - while (n-- > 0) - putf(putp,fc); - while ((ch= *bf++)) - putf(putp,ch); - } - -void tfp_format(void* putp,putcf putf,char *fmt, va_list va) - { +} + +static void putchw(void* putp, putcf putf, int n, char z, char* bf) { + char fc = z ? '0' : ' '; + char ch; + char* p = bf; + while (*p++ && n > 0) n--; + while (n-- > 0) putf(putp, fc); + while ((ch = *bf++)) putf(putp, ch); +} + +void tfp_format(void* putp, putcf putf, char* fmt, va_list va) { char bf[12]; - - char ch; + char ch; - while ((ch=*(fmt++))) { - if (ch!='%') - putf(putp,ch); + while ((ch = *(fmt++))) { + if (ch != '%') + putf(putp, ch); else { - char lz=0; -#ifdef PRINTF_LONG_SUPPORT - char lng=0; + char lz = 0; +#ifdef PRINTF_LONG_SUPPORT + char lng = 0; #endif - int w=0; - ch=*(fmt++); - if (ch=='0') { - ch=*(fmt++); - lz=1; - } - if (ch>='0' && ch<='9') { - ch=a2i(ch,&fmt,10,&w); - } -#ifdef PRINTF_LONG_SUPPORT - if (ch=='l') { - ch=*(fmt++); - lng=1; + int w = 0; + ch = *(fmt++); + if (ch == '0') { + ch = *(fmt++); + lz = 1; + } + if (ch >= '0' && ch <= '9') { + ch = a2i(ch, &fmt, 10, &w); + } +#ifdef PRINTF_LONG_SUPPORT + if (ch == 'l') { + ch = *(fmt++); + lng = 1; } #endif switch (ch) { - case 0: + case 0: goto abort; - case 'u' : { -#ifdef PRINTF_LONG_SUPPORT + case 'u': { +#ifdef PRINTF_LONG_SUPPORT if (lng) - uli2a(va_arg(va, unsigned long int),10,0,bf); + uli2a(va_arg(va, unsigned long int), 10, 0, bf); else #endif - ui2a(va_arg(va, unsigned int),10,0,bf); - putchw(putp,putf,w,lz,bf); + ui2a(va_arg(va, unsigned int), 10, 0, bf); + putchw(putp, putf, w, lz, bf); break; - } - case 'd' : { -#ifdef PRINTF_LONG_SUPPORT + } + case 'd': { +#ifdef PRINTF_LONG_SUPPORT if (lng) - li2a(va_arg(va, unsigned long int),bf); + li2a(va_arg(va, unsigned long int), bf); else #endif - i2a(va_arg(va, int),bf); - putchw(putp,putf,w,lz,bf); + i2a(va_arg(va, int), bf); + putchw(putp, putf, w, lz, bf); break; - } - case 'x': case 'X' : -#ifdef PRINTF_LONG_SUPPORT + } + case 'x': + case 'X': +#ifdef PRINTF_LONG_SUPPORT if (lng) - uli2a(va_arg(va, unsigned long int),16,(ch=='X'),bf); + uli2a(va_arg(va, unsigned long int), 16, (ch == 'X'), bf); else #endif - ui2a(va_arg(va, unsigned int),16,(ch=='X'),bf); - putchw(putp,putf,w,lz,bf); + ui2a(va_arg(va, unsigned int), 16, (ch == 'X'), bf); + putchw(putp, putf, w, lz, bf); break; - case 'c' : - putf(putp,(char)(va_arg(va, int))); + case 'c': + putf(putp, (char)(va_arg(va, int))); break; - case 's' : - putchw(putp,putf,w,0,va_arg(va, char*)); + case 's': + putchw(putp, putf, w, 0, va_arg(va, char*)); break; - case '%' : - putf(putp,ch); + case '%': + putf(putp, ch); default: break; - } } } - abort:; } +abort:; +} +void init_printf(void* putp, void (*putf)(void*, char)) { + stdout_putf = putf; + stdout_putp = putp; +} -void init_printf(void* putp,void (*putf) (void*,char)) - { - stdout_putf=putf; - stdout_putp=putp; - } - -void tfp_printf(char *fmt, ...) - { +void tfp_printf(char* fmt, ...) { va_list va; - va_start(va,fmt); - tfp_format(stdout_putp,stdout_putf,fmt,va); + va_start(va, fmt); + tfp_format(stdout_putp, stdout_putf, fmt, va); va_end(va); - } - -static void putcp(void* p,char c) - { - *(*((char**)p))++ = c; - } +} +static void putcp(void* p, char c) { *(*((char**)p))++ = c; } - -void tfp_sprintf(char* s,char *fmt, ...) - { +void tfp_sprintf(char* s, char* fmt, ...) { va_list va; - va_start(va,fmt); - tfp_format(&s,putcp,fmt,va); - putcp(&s,0); + va_start(va, fmt); + tfp_format(&s, putcp, fmt, va); + putcp(&s, 0); va_end(va); - } +} diff --git a/tmk_core/common/chibios/printf.h b/tmk_core/common/chibios/printf.h index 678a100c6..2cdf55ed9 100644 --- a/tmk_core/common/chibios/printf.h +++ b/tmk_core/common/chibios/printf.h @@ -15,7 +15,7 @@ version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public @@ -24,35 +24,35 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA This library is realy just two files: 'printf.h' and 'printf.c'. -They provide a simple and small (+200 loc) printf functionality to +They provide a simple and small (+200 loc) printf functionality to be used in embedded systems. -I've found them so usefull in debugging that I do not bother with a +I've found them so usefull in debugging that I do not bother with a debugger at all. -They are distributed in source form, so to use them, just compile them -into your project. +They are distributed in source form, so to use them, just compile them +into your project. -Two printf variants are provided: printf and sprintf. +Two printf variants are provided: printf and sprintf. The formats supported by this implementation are: 'd' 'u' 'c' 's' 'x' 'X'. Zero padding and field width are also supported. -If the library is compiled with 'PRINTF_SUPPORT_LONG' defined then the +If the library is compiled with 'PRINTF_SUPPORT_LONG' defined then the long specifier is also supported. Note that this will pull in some long math routines (pun intended!) and thus make your executable noticably longer. -The memory foot print of course depends on the target cpu, compiler and -compiler options, but a rough guestimate (based on a H8S target) is about -1.4 kB for code and some twenty 'int's and 'char's, say 60 bytes of stack space. -Not too bad. Your milage may vary. By hacking the source code you can -get rid of some hunred bytes, I'm sure, but personally I feel the balance of +The memory foot print of course depends on the target cpu, compiler and +compiler options, but a rough guestimate (based on a H8S target) is about +1.4 kB for code and some twenty 'int's and 'char's, say 60 bytes of stack space. +Not too bad. Your milage may vary. By hacking the source code you can +get rid of some hunred bytes, I'm sure, but personally I feel the balance of functionality and flexibility versus code size is close to optimal for many embedded systems. -To use the printf you need to supply your own character output function, +To use the printf you need to supply your own character output function, something like : void putc ( void* p, char c) @@ -61,25 +61,25 @@ something like : SERIAL_PORT_TX_REGISTER = c; } -Before you can call printf you need to initialize it to use your +Before you can call printf you need to initialize it to use your character output function with something like: init_printf(NULL,putc); -Notice the 'NULL' in 'init_printf' and the parameter 'void* p' in 'putc', -the NULL (or any pointer) you pass into the 'init_printf' will eventually be -passed to your 'putc' routine. This allows you to pass some storage space (or -anything realy) to the character output function, if necessary. -This is not often needed but it was implemented like that because it made +Notice the 'NULL' in 'init_printf' and the parameter 'void* p' in 'putc', +the NULL (or any pointer) you pass into the 'init_printf' will eventually be +passed to your 'putc' routine. This allows you to pass some storage space (or +anything realy) to the character output function, if necessary. +This is not often needed but it was implemented like that because it made implementing the sprintf function so neat (look at the source code). -The code is re-entrant, except for the 'init_printf' function, so it -is safe to call it from interupts too, although this may result in mixed output. +The code is re-entrant, except for the 'init_printf' function, so it +is safe to call it from interupts too, although this may result in mixed output. If you rely on re-entrancy, take care that your 'putc' function is re-entrant! -The printf and sprintf functions are actually macros that translate to +The printf and sprintf functions are actually macros that translate to 'tfp_printf' and 'tfp_sprintf'. This makes it possible -to use them along with 'stdio.h' printf's in a single source file. +to use them along with 'stdio.h' printf's in a single source file. You just need to undef the names before you include the 'stdio.h'. Note that these are not function like macros, so if you have variables or struct members with these names, things will explode in your face. @@ -92,20 +92,19 @@ For further details see source code. regs Kusti, 23.10.2004 */ - #ifndef __TFP_PRINTF__ #define __TFP_PRINTF__ #include <stdarg.h> -void init_printf(void* putp,void (*putf) (void*,char)); +void init_printf(void* putp, void (*putf)(void*, char)); -void tfp_printf(char *fmt, ...); -void tfp_sprintf(char* s,char *fmt, ...); +void tfp_printf(char* fmt, ...); +void tfp_sprintf(char* s, char* fmt, ...); -void tfp_format(void* putp,void (*putf) (void*,char),char *fmt, va_list va); +void tfp_format(void* putp, void (*putf)(void*, char), char* fmt, va_list va); -#define printf tfp_printf -#define sprintf tfp_sprintf +#define printf tfp_printf +#define sprintf tfp_sprintf #endif diff --git a/tmk_core/common/chibios/sleep_led.c b/tmk_core/common/chibios/sleep_led.c index 4c35cfcba..df1a1b5fc 100644 --- a/tmk_core/common/chibios/sleep_led.c +++ b/tmk_core/common/chibios/sleep_led.c @@ -12,14 +12,14 @@ #if defined(KL2x) || defined(K20x) /* Use Low Power Timer (LPTMR) */ -#define TIMER_INTERRUPT_VECTOR KINETIS_LPTMR0_IRQ_VECTOR -#define RESET_COUNTER LPTMR0->CSR |= LPTMRx_CSR_TCF +# define TIMER_INTERRUPT_VECTOR KINETIS_LPTMR0_IRQ_VECTOR +# define RESET_COUNTER LPTMR0->CSR |= LPTMRx_CSR_TCF #elif defined(STM32F0XX) /* Use TIM14 manually */ -#define TIMER_INTERRUPT_VECTOR STM32_TIM14_HANDLER -#define RESET_COUNTER STM32_TIM14->SR &= ~STM32_TIM_SR_UIF +# define TIMER_INTERRUPT_VECTOR STM32_TIM14_HANDLER +# define RESET_COUNTER STM32_TIM14->SR &= ~STM32_TIM_SR_UIF #endif @@ -31,39 +31,34 @@ * http://www.wolframalpha.com/input/?i=%28sin%28+x%2F64*pi%29**8+*+255%2C+x%3D0+to+63 * (0..63).each {|x| p ((sin(x/64.0*PI)**8)*255).to_i } */ -static const uint8_t breathing_table[64] = { -0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10, -15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252, -255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23, -15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; +static const uint8_t breathing_table[64] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 6, 10, 15, 23, 32, 44, 58, 74, 93, 113, 135, 157, 179, 199, 218, 233, 245, 252, 255, 252, 245, 233, 218, 199, 179, 157, 135, 113, 93, 74, 58, 44, 32, 23, 15, 10, 6, 4, 2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* interrupt handler */ OSAL_IRQ_HANDLER(TIMER_INTERRUPT_VECTOR) { OSAL_IRQ_PROLOGUE(); /* Software PWM - * timer:1111 1111 1111 1111 - * \_____/\/ \_______/____ count(0-255) - * \ \______________ duration of step(4) - * \__________________ index of step table(0-63) - */ + * timer:1111 1111 1111 1111 + * \_____/\/ \_______/____ count(0-255) + * \ \______________ duration of step(4) + * \__________________ index of step table(0-63) + */ // this works for cca 65536 irqs/sec static union { - uint16_t row; - struct { - uint8_t count:8; - uint8_t duration:2; - uint8_t index:6; - } pwm; - } timer = { .row = 0 }; + uint16_t row; + struct { + uint8_t count : 8; + uint8_t duration : 2; + uint8_t index : 6; + } pwm; + } timer = {.row = 0}; timer.row++; // LED on if (timer.pwm.count == 0) { - led_set(1<<USB_LED_CAPS_LOCK); + led_set(1 << USB_LED_CAPS_LOCK); } // LED off if (timer.pwm.count == breathing_table[timer.pwm.index]) { @@ -78,19 +73,18 @@ OSAL_IRQ_HANDLER(TIMER_INTERRUPT_VECTOR) { #endif /* common parts for known platforms */ - #if defined(KL2x) || defined(K20x) /* platform selection: familiar Kinetis chips */ /* LPTMR clock options */ -#define LPTMR_CLOCK_MCGIRCLK 0 /* 4MHz clock */ -#define LPTMR_CLOCK_LPO 1 /* 1kHz clock */ -#define LPTMR_CLOCK_ERCLK32K 2 /* external 32kHz crystal */ -#define LPTMR_CLOCK_OSCERCLK 3 /* output from OSC */ +# define LPTMR_CLOCK_MCGIRCLK 0 /* 4MHz clock */ +# define LPTMR_CLOCK_LPO 1 /* 1kHz clock */ +# define LPTMR_CLOCK_ERCLK32K 2 /* external 32kHz crystal */ +# define LPTMR_CLOCK_OSCERCLK 3 /* output from OSC */ /* Work around inconsistencies in Freescale naming */ -#if !defined(SIM_SCGC5_LPTMR) -#define SIM_SCGC5_LPTMR SIM_SCGC5_LPTIMER -#endif +# if !defined(SIM_SCGC5_LPTMR) +# define SIM_SCGC5_LPTMR SIM_SCGC5_LPTIMER +# endif /* Initialise the timer */ void sleep_led_init(void) { @@ -101,52 +95,52 @@ void sleep_led_init(void) { /* Set the compare value */ LPTMR0->CMR = 0; // trigger on counter value (i.e. every time) - /* Set up clock source and prescaler */ - /* Software PWM - * ______ ______ __ - * | ON |___OFF___| ON |___OFF___| .... - * |<-------------->|<-------------->|<- .... - * PWM period PWM period - * - * R interrupts/period[resolution] - * F periods/second[frequency] - * R * F interrupts/second - */ - - /* === OPTION 1 === */ - #if 0 +/* Set up clock source and prescaler */ +/* Software PWM + * ______ ______ __ + * | ON |___OFF___| ON |___OFF___| .... + * |<-------------->|<-------------->|<- .... + * PWM period PWM period + * + * R interrupts/period[resolution] + * F periods/second[frequency] + * R * F interrupts/second + */ + +/* === OPTION 1 === */ +# if 0 // 1kHz LPO // No prescaler => 1024 irqs/sec // Note: this is too slow for a smooth breathe LPTMR0->PSR = LPTMRx_PSR_PCS(LPTMR_CLOCK_LPO)|LPTMRx_PSR_PBYP; - #endif /* OPTION 1 */ +# endif /* OPTION 1 */ - /* === OPTION 2 === */ - #if 1 +/* === OPTION 2 === */ +# if 1 // nMHz IRC (n=4 on KL25Z, KL26Z and K20x; n=2 or 8 on KL27Z) - MCG->C2 |= MCG_C2_IRCS; // fast (4MHz) internal ref clock - #if defined(KL27) // divide the 8MHz IRC by 2, to have the same MCGIRCLK speed as others + MCG->C2 |= MCG_C2_IRCS; // fast (4MHz) internal ref clock +# if defined(KL27) // divide the 8MHz IRC by 2, to have the same MCGIRCLK speed as others MCG->MC |= MCG_MC_LIRC_DIV2_DIV2; - #endif /* KL27 */ - MCG->C1 |= MCG_C1_IRCLKEN; // enable internal ref clock +# endif /* KL27 */ + MCG->C1 |= MCG_C1_IRCLKEN; // enable internal ref clock // to work in stop mode, also MCG_C1_IREFSTEN // Divide 4MHz by 2^N (N=6) => 62500 irqs/sec => // => approx F=61, R=256, duration = 4 - LPTMR0->PSR = LPTMRx_PSR_PCS(LPTMR_CLOCK_MCGIRCLK)|LPTMRx_PSR_PRESCALE(6); - #endif /* OPTION 2 */ + LPTMR0->PSR = LPTMRx_PSR_PCS(LPTMR_CLOCK_MCGIRCLK) | LPTMRx_PSR_PRESCALE(6); +# endif /* OPTION 2 */ - /* === OPTION 3 === */ - #if 0 +/* === OPTION 3 === */ +# if 0 // OSC output (external crystal), usually 8MHz or 16MHz OSC0->CR |= OSC_CR_ERCLKEN; // enable ext ref clock // to work in stop mode, also OSC_CR_EREFSTEN // Divide by 2^N LPTMR0->PSR = LPTMRx_PSR_PCS(LPTMR_CLOCK_OSCERCLK)|LPTMRx_PSR_PRESCALE(7); - #endif /* OPTION 3 */ +# endif /* OPTION 3 */ /* === END OPTIONS === */ /* Interrupt on TCF set (compare flag) */ - nvicEnableVector(LPTMR0_IRQn, 2); // vector, priority + nvicEnableVector(LPTMR0_IRQn, 2); // vector, priority LPTMR0->CSR |= LPTMRx_CSR_TIE; } @@ -205,20 +199,14 @@ void sleep_led_toggle(void) { STM32_TIM14->CR1 ^= STM32_TIM_CR1_CEN; } - #else /* platform selection: not on familiar chips */ -void sleep_led_init(void) { -} - -void sleep_led_enable(void) { - led_set(1<<USB_LED_CAPS_LOCK); -} - -void sleep_led_disable(void) { - led_set(0); -} - +void sleep_led_init(void) {} + +void sleep_led_enable(void) { led_set(1 << USB_LED_CAPS_LOCK); } + +void sleep_led_disable(void) { led_set(0); } + void sleep_led_toggle(void) { // not implemented } diff --git a/tmk_core/common/chibios/suspend.c b/tmk_core/common/chibios/suspend.c index 6027d69b7..ae1c6f53e 100644 --- a/tmk_core/common/chibios/suspend.c +++ b/tmk_core/common/chibios/suspend.c @@ -17,49 +17,44 @@ * FIXME: needs doc */ void suspend_idle(uint8_t time) { - // TODO: this is not used anywhere - what units is 'time' in? - wait_ms(time); + // TODO: this is not used anywhere - what units is 'time' in? + wait_ms(time); } /** \brief Run keyboard level Power down * * FIXME: needs doc */ -__attribute__ ((weak)) -void suspend_power_down_user (void) { } +__attribute__((weak)) void suspend_power_down_user(void) {} /** \brief Run keyboard level Power down * * FIXME: needs doc */ -__attribute__ ((weak)) -void suspend_power_down_kb(void) { - suspend_power_down_user(); -} +__attribute__((weak)) void suspend_power_down_kb(void) { suspend_power_down_user(); } /** \brief suspend power down * * FIXME: needs doc */ void suspend_power_down(void) { - // TODO: figure out what to power down and how - // shouldn't power down TPM/FTM if we want a breathing LED - // also shouldn't power down USB + // TODO: figure out what to power down and how + // shouldn't power down TPM/FTM if we want a breathing LED + // also shouldn't power down USB - suspend_power_down_kb(); - // on AVR, this enables the watchdog for 15ms (max), and goes to - // SLEEP_MODE_PWR_DOWN + suspend_power_down_kb(); + // on AVR, this enables the watchdog for 15ms (max), and goes to + // SLEEP_MODE_PWR_DOWN - wait_ms(17); + wait_ms(17); } /** \brief suspend wakeup condition * * FIXME: needs doc */ -__attribute__ ((weak)) void matrix_power_up(void) {} -__attribute__ ((weak)) void matrix_power_down(void) {} -bool suspend_wakeup_condition(void) -{ +__attribute__((weak)) void matrix_power_up(void) {} +__attribute__((weak)) void matrix_power_down(void) {} +bool suspend_wakeup_condition(void) { matrix_power_up(); matrix_scan(); matrix_power_down(); @@ -73,25 +68,20 @@ bool suspend_wakeup_condition(void) * * FIXME: needs doc */ -__attribute__ ((weak)) -void suspend_wakeup_init_user(void) { } +__attribute__((weak)) void suspend_wakeup_init_user(void) {} /** \brief run keyboard level code immediately after wakeup * * FIXME: needs doc */ -__attribute__ ((weak)) -void suspend_wakeup_init_kb(void) { - suspend_wakeup_init_user(); -} +__attribute__((weak)) void suspend_wakeup_init_kb(void) { suspend_wakeup_init_user(); } /** \brief suspend wakeup condition * * run immediately after wakeup * FIXME: needs doc */ -void suspend_wakeup_init(void) -{ +void suspend_wakeup_init(void) { // clear keyboard state // need to do it manually, because we're running from ISR // and clear_keyboard() calls print @@ -111,5 +101,5 @@ void suspend_wakeup_init(void) #ifdef BACKLIGHT_ENABLE backlight_init(); #endif /* BACKLIGHT_ENABLE */ - suspend_wakeup_init_kb(); + suspend_wakeup_init_kb(); } diff --git a/tmk_core/common/chibios/timer.c b/tmk_core/common/chibios/timer.c index 473e533ca..1ce9d1d17 100644 --- a/tmk_core/common/chibios/timer.c +++ b/tmk_core/common/chibios/timer.c @@ -2,40 +2,32 @@ #include "timer.h" -static systime_t last_systime = 0; -static systime_t overflow = 0; -static uint32_t current_time_ms = 0; +static systime_t last_systime = 0; +static systime_t overflow = 0; +static uint32_t current_time_ms = 0; -void timer_init(void) { - timer_clear(); -} +void timer_init(void) { timer_clear(); } void timer_clear(void) { - last_systime = chVTGetSystemTime(); - overflow = 0; - current_time_ms = 0; + last_systime = chVTGetSystemTime(); + overflow = 0; + current_time_ms = 0; } -uint16_t timer_read(void) { - return (uint16_t)timer_read32(); -} +uint16_t timer_read(void) { return (uint16_t)timer_read32(); } uint32_t timer_read32(void) { - // Note: We assume that the timer update is called at least once betweeen every wrap around of the system time - systime_t current_systime = chVTGetSystemTime(); - systime_t elapsed = current_systime - last_systime + overflow; - uint32_t elapsed_ms = ST2MS(elapsed); - current_time_ms += elapsed_ms; - overflow = elapsed - MS2ST(elapsed_ms); - last_systime = current_systime; - - return current_time_ms; + // Note: We assume that the timer update is called at least once betweeen every wrap around of the system time + systime_t current_systime = chVTGetSystemTime(); + systime_t elapsed = current_systime - last_systime + overflow; + uint32_t elapsed_ms = ST2MS(elapsed); + current_time_ms += elapsed_ms; + overflow = elapsed - MS2ST(elapsed_ms); + last_systime = current_systime; + + return current_time_ms; } -uint16_t timer_elapsed(uint16_t last) { - return timer_read() - last; -} +uint16_t timer_elapsed(uint16_t last) { return timer_read() - last; } -uint32_t timer_elapsed32(uint32_t last) { - return timer_read32() - last; -} +uint32_t timer_elapsed32(uint32_t last) { return timer_read32() - last; } |