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-rw-r--r--tmk_core/common/arm_atsam/bootloader.c51
-rw-r--r--tmk_core/common/arm_atsam/eeprom.c98
-rw-r--r--tmk_core/common/arm_atsam/printf.c66
-rw-r--r--tmk_core/common/arm_atsam/printf.h11
-rw-r--r--tmk_core/common/arm_atsam/suspend.c85
-rw-r--r--tmk_core/common/arm_atsam/timer.c59
6 files changed, 370 insertions, 0 deletions
diff --git a/tmk_core/common/arm_atsam/bootloader.c b/tmk_core/common/arm_atsam/bootloader.c
new file mode 100644
index 000000000..ba71bfeb0
--- /dev/null
+++ b/tmk_core/common/arm_atsam/bootloader.c
@@ -0,0 +1,51 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "bootloader.h"
+#include "samd51j18a.h"
+#include "md_bootloader.h"
+
+//Set watchdog timer to reset. Directs the bootloader to stay in programming mode.
+void bootloader_jump(void) {
+#ifdef KEYBOARD_massdrop_ctrl
+ //CTRL keyboards released with bootloader version below must use RAM method. Otherwise use WDT method.
+ uint8_t ver_ram_method[] = "v2.18Jun 22 2018 17:28:08"; //The version to match (NULL terminated by compiler)
+ uint8_t *ver_check = ver_ram_method; //Pointer to version match string for traversal
+ uint8_t *ver_rom = (uint8_t *)0x21A0; //Pointer to address in ROM where this specific bootloader version would exist
+
+ while (*ver_check && *ver_rom == *ver_check) { //While there are check version characters to match and bootloader's version matches check's version
+ ver_check++; //Move check version pointer to next character
+ ver_rom++; //Move ROM version pointer to next character
+ }
+
+ if (!*ver_check) { //If check version pointer is NULL, all characters have matched
+ *MAGIC_ADDR = BOOTLOADER_MAGIC; //Set magic number into RAM
+ NVIC_SystemReset(); //Perform system reset
+ while (1) {} //Won't get here
+ }
+#endif
+
+ WDT->CTRLA.bit.ENABLE = 0;
+ while (WDT->SYNCBUSY.bit.ENABLE) {}
+ while (WDT->CTRLA.bit.ENABLE) {}
+ WDT->CONFIG.bit.WINDOW = 0;
+ WDT->CONFIG.bit.PER = 0;
+ WDT->EWCTRL.bit.EWOFFSET = 0;
+ WDT->CTRLA.bit.ENABLE = 1;
+ while (WDT->SYNCBUSY.bit.ENABLE) {}
+ while (!WDT->CTRLA.bit.ENABLE) {}
+ while (1) {} //Wait on timeout
+}
diff --git a/tmk_core/common/arm_atsam/eeprom.c b/tmk_core/common/arm_atsam/eeprom.c
new file mode 100644
index 000000000..61cc039ef
--- /dev/null
+++ b/tmk_core/common/arm_atsam/eeprom.c
@@ -0,0 +1,98 @@
+/* Copyright 2017 Fred Sundvik
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "eeprom.h"
+
+#define EEPROM_SIZE 32
+
+static uint8_t buffer[EEPROM_SIZE];
+
+uint8_t eeprom_read_byte(const uint8_t *addr) {
+ uintptr_t offset = (uintptr_t)addr;
+ return buffer[offset];
+}
+
+void eeprom_write_byte(uint8_t *addr, uint8_t value) {
+ uintptr_t offset = (uintptr_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);
+}
+
+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_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_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_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);
+}
+
+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);
+}
+
+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++);
+ }
+}
diff --git a/tmk_core/common/arm_atsam/printf.c b/tmk_core/common/arm_atsam/printf.c
new file mode 100644
index 000000000..7f298d1fd
--- /dev/null
+++ b/tmk_core/common/arm_atsam/printf.c
@@ -0,0 +1,66 @@
+/*
+Copyright 2018 Massdrop Inc.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program 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. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef CONSOLE_ENABLE
+
+#include "samd51j18a.h"
+#include "arm_atsam_protocol.h"
+#include "printf.h"
+#include <string.h>
+#include <stdarg.h>
+
+void console_printf(char *fmt, ...) {
+ while (udi_hid_con_b_report_trans_ongoing) {} //Wait for any previous transfers to complete
+
+ static char console_printbuf[CONSOLE_PRINTBUF_SIZE]; //Print and send buffer
+ va_list va;
+ int result;
+
+ va_start(va, fmt);
+ result = vsnprintf(console_printbuf, CONSOLE_PRINTBUF_SIZE, fmt, va);
+ va_end(va);
+
+ uint32_t irqflags;
+ char *pconbuf = console_printbuf; //Pointer to start send from
+ int send_out = CONSOLE_EPSIZE; //Bytes to send per transfer
+
+ while (result > 0) { //While not error and bytes remain
+ while (udi_hid_con_b_report_trans_ongoing) {} //Wait for any previous transfers to complete
+
+ irqflags = __get_PRIMASK();
+ __disable_irq();
+ __DMB();
+
+ if (result < CONSOLE_EPSIZE) { //If remaining bytes are less than console epsize
+ memset(udi_hid_con_report, 0, CONSOLE_EPSIZE); //Clear the buffer
+ send_out = result; //Send remaining size
+ }
+
+ memcpy(udi_hid_con_report, pconbuf, send_out); //Copy data into the send buffer
+
+ udi_hid_con_b_report_valid = 1; //Set report valid
+ udi_hid_con_send_report(); //Send report
+
+ __DMB();
+ __set_PRIMASK(irqflags);
+
+ result -= send_out; //Decrement result by bytes sent
+ pconbuf += send_out; //Increment buffer point by bytes sent
+ }
+}
+
+#endif //CONSOLE_ENABLE
diff --git a/tmk_core/common/arm_atsam/printf.h b/tmk_core/common/arm_atsam/printf.h
new file mode 100644
index 000000000..1f1c2280b
--- /dev/null
+++ b/tmk_core/common/arm_atsam/printf.h
@@ -0,0 +1,11 @@
+#ifndef _PRINTF_H_
+#define _PRINTF_H_
+
+#define CONSOLE_PRINTBUF_SIZE 512
+
+void console_printf(char *fmt, ...);
+
+#define __xprintf console_printf
+
+#endif //_PRINTF_H_
+
diff --git a/tmk_core/common/arm_atsam/suspend.c b/tmk_core/common/arm_atsam/suspend.c
new file mode 100644
index 000000000..e34965df6
--- /dev/null
+++ b/tmk_core/common/arm_atsam/suspend.c
@@ -0,0 +1,85 @@
+#include "matrix.h"
+#include "i2c_master.h"
+#include "led_matrix.h"
+#include "suspend.h"
+
+/** \brief Suspend idle
+ *
+ * FIXME: needs doc
+ */
+void suspend_idle(uint8_t time) {
+ /* Note: Not used anywhere currently */
+}
+
+/** \brief Run user level Power down
+ *
+ * FIXME: needs doc
+ */
+__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();
+}
+
+/** \brief Suspend power down
+ *
+ * FIXME: needs doc
+ */
+void suspend_power_down(void)
+{
+ I2C3733_Control_Set(0); //Disable LED driver
+
+ suspend_power_down_kb();
+}
+
+__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();
+ for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
+ if (matrix_get_row(r)) return true;
+ }
+ return false;
+}
+
+/** \brief run user level code immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+__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();
+}
+
+/** \brief run immediately after wakeup
+ *
+ * FIXME: needs doc
+ */
+void suspend_wakeup_init(void) {
+ /* If LEDs are set to enabled, enable the hardware */
+ if (led_enabled) {
+ I2C3733_Control_Set(1);
+ }
+
+ suspend_wakeup_init_kb();
+}
+
diff --git a/tmk_core/common/arm_atsam/timer.c b/tmk_core/common/arm_atsam/timer.c
new file mode 100644
index 000000000..bcfe5002c
--- /dev/null
+++ b/tmk_core/common/arm_atsam/timer.c
@@ -0,0 +1,59 @@
+#include "samd51j18a.h"
+#include "timer.h"
+#include "tmk_core/protocol/arm_atsam/clks.h"
+
+void set_time(uint64_t tset)
+{
+ ms_clk = tset;
+}
+
+void timer_init(void)
+{
+ ms_clk = 0;
+}
+
+uint16_t timer_read(void)
+{
+ return (uint16_t)ms_clk;
+}
+
+uint32_t timer_read32(void)
+{
+ return (uint32_t)ms_clk;
+}
+
+uint64_t timer_read64(void)
+{
+ return ms_clk;
+}
+
+uint16_t timer_elapsed(uint16_t tlast)
+{
+ return TIMER_DIFF_16(timer_read(), tlast);
+}
+
+uint32_t timer_elapsed32(uint32_t tlast)
+{
+ return TIMER_DIFF_32(timer_read32(), tlast);
+}
+
+uint32_t timer_elapsed64(uint32_t tlast)
+{
+ uint64_t tnow = timer_read64();
+ return (tnow >= tlast ? tnow - tlast : UINT64_MAX - tlast + tnow);
+}
+
+void timer_clear(void)
+{
+ ms_clk = 0;
+}
+
+void wait_ms(uint64_t msec)
+{
+ CLK_delay_ms(msec);
+}
+
+void wait_us(uint16_t usec)
+{
+ CLK_delay_us(usec);
+}
generated by cgit v1.2.3-70-g09d2 (git 2.47.0) at 2024-12-27 03:43:51 +0000