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Diffstat (limited to 'tmk_core/common/chibios/flash_stm32.c')
-rw-r--r--[-rwxr-xr-x]tmk_core/common/chibios/flash_stm32.c162
1 files changed, 72 insertions, 90 deletions
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;
}
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