feat(can): CAN休眠唤醒移动到BOOT以进行以支持40k硬件看门狗

- 更新深度睡眠实现,在跳转到bootloader前记录睡眠状态到Flash
- 添加gd32c10x_fmc.h头文件以支持Flash内存控制功能
- 将prepare_deep_sleep重命名为app_prepare_deep_sleep以提高命名清晰度
- 在CAN通信检测中添加应用层休眠准备功能
- 在接收OTA启动ID时解锁FMC、设置APP为非激活状态并锁定FMC
- 移除main.cpp中的看门狗复位休眠逻辑
- 在config.h中添加睡眠配置相关的常量定义
- 改进OTA_SET函数的Flash写入逻辑,优化数据更新流程
- 在OTA初始化和应用移动过程中添加FMC解锁锁定操作
This commit is contained in:
cbb
2026-01-12 01:03:43 +08:00
parent 72506ce87d
commit 9f84c85a28
8 changed files with 132 additions and 98 deletions
+54 -46
View File
@@ -34,10 +34,12 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "systick.h"
#include "Can.h"
#include "config.h"
#include "core_cmFunc.h"
#include "flash.h"
#include "gd32c10x.h"
#include "gd32c10x_exti.h"
#include "gd32c10x_fmc.h"
#include "initial.h"
#include "motor.h"
#include <cstdio>
@@ -125,58 +127,64 @@ void system_soft_reset(void) {
\param[out] none
\retval none
*/
void prepare_deep_sleep(bool save_data) {
void app_prepare_deep_sleep(bool save_data) {
if (save_data) {
flashEEP.save_system_config(true);
}
// 将SIT1044设置为低功耗待机模式
// CAN0_transmiter.CAN_Sleep();
motor_sleep();
// 在睡眠前调整看门狗超时时间为最大值,使其在唤醒前不会触发
fwdgt_write_enable();
fwdgt_config(0xFFF, FWDGT_PSC_DIV256); // 设置最大超时时间
fwdgt_write_disable();
// 关闭不必要的外设时钟
rcu_periph_clock_disable(RCU_TIMER0); // 关闭定时器时钟
rcu_periph_clock_disable(RCU_TIMER1);
rcu_periph_clock_disable(RCU_SPI0); // 关闭SPI时钟
rcu_periph_clock_disable(RCU_I2C0); // 关闭I2C时钟
rcu_periph_clock_disable(RCU_ADC0); // 关闭ADC时钟
// 注意不要关闭GPIOB和AF的时钟,因为需要它们来处理唤醒中断
// 设置深睡眠模式下的电压以进一步降低功耗
rcu_deepsleep_voltage_set(RCU_DEEPSLEEP_V_0_8); // 设置最低电压
// 配置PB8为输入模式,用于外部中断
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_AF);
gpio_init(GPIOB, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, GPIO_PIN_8);
// 配置EXTI中断(连接到PB8引脚)
gpio_exti_source_select(GPIO_PORT_SOURCE_GPIOB,
GPIO_PIN_SOURCE_8); // 配置GPIOB的PIN8作为EXTI8的源
exti_init(EXTI_8, EXTI_INTERRUPT, EXTI_TRIG_RISING); // 边沿触发
exti_interrupt_enable(EXTI_8);
nvic_irq_enable(EXTI5_9_IRQn, 0, 0); //
// 确保中断标志已被清除
exti_interrupt_flag_clear(EXTI_8);
watchdog_init(5000); // 看门狗初始化
// 进入深度睡眠
pmu_to_deepsleepmode(PMU_LDO_LOWPOWER, WFI_CMD);
}
/**
* @brief EXTI5_9中断处理函数
* @param 无
* @retval 无
*/
void EXTI5_9_IRQHandler(void) {
if (exti_interrupt_flag_get(EXTI_8) != RESET) {
// 清除中断标志
exti_interrupt_flag_clear(EXTI_8);
// 禁用EXTI线8的中断,防止重复触发
exti_interrupt_disable(EXTI_8);
printf("MCU wake up\r\n");
system_soft_reset();
__disable_irq();
// 遍历最后一个数字,后一个地址写+1
for (u32 address = SLEEP_CONFIG_END - SIZE_U32;
address >= SLEEP_CONFIG_START; address -= SIZE_U32) { // 遍历睡眠存储区
volatile u32 *flash_ptr = (volatile u32 *)address;
u32 sleep_enable = *flash_ptr;
if (sleep_enable == FLASH_EMPTY and
address > SLEEP_CONFIG_START) { // 空数据且未到头跳过
continue;
} else { // 有数据的话读取
#if SLEEP_DEBUG
printf("app sleep found %08x at %08x\r\n", sleep_enable, address);
#endif
if (address == SLEEP_CONFIG_END - SIZE_U32) {
fmc_unlock();
fmc_state_enum fmc_status =
fmc_page_erase(SLEEP_CONFIG_START); // 擦除已满的页
if (fmc_status != FMC_READY) { // 擦除失败报错
fmc_lock();
flashEEP.EEPROMStatus = FLASH_EEPROM_ERASE_ERROR;
return;
}
address = SLEEP_CONFIG_START - SIZE_U32; // 重新开始写入
}
address += SIZE_U32;
#if SLEEP_DEBUG
printf("app sleep prepare write %08x at %08x\r\n", SLEEP_ENABLE,
address);
#endif
fmc_state_enum fmc_status =
write_ADDRESS(address, SLEEP_ENABLE); // 写入数据
#if SLEEP_DEBUG
volatile u32 *flash_ptr = (volatile u32 *)address;
u32 sleep_check = *flash_ptr;
printf("app sleep wrote %08x at %08x\r\n", sleep_check, address);
#endif
if (fmc_status != FMC_READY) { // 写入失败报错
flashEEP.EEPROMStatus = FLASH_EEPROM_WRITE_ERROR;
#if SLEEP_DEBUG
printf("app wrote %08x at %08x ERROR\r\n", SLEEP_ENABLE,
address);
#endif
return;
}
break;
}
}
jumpToBOOT(); // 跳转到bootloader正式休眠,进入低功耗待机模式
}