feat(bootloader): 添加了完整的系统休眠和唤醒机制，包括：
- 实现深睡眠模式下的功耗优化 - 添加PB8引脚的外部中断唤醒功能 - 新增Flash区域用于睡眠状态管理 - 实现睡眠配置的自动检查和恢复逻辑 同时重构了OTA_SET函数，改进了Flash配置参数的写入机制， 解决了GD32 Flash特性导致的0到1写入问题，并添加了详细的 调试信息输出和错误处理。
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+165
-2
@@ -1,11 +1,17 @@
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#include "initial.h"
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#include "OTA.h"
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#include "config.h"
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#include "core_cmFunc.h"
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#include "gd32c10x.h"
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#include "gd32c10x_gpio.h"
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#include "gd32c10x_rcu.h"
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#include "main.h"
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#include "systick.h"
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#include <cstdio>
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#include <stdint.h>
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#include <stdio.h>
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#include "config.h"
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extern BootloaderSystem sys;
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/* retarget the C library printf function to the USART */
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u8 USART0_init() {
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@@ -36,7 +42,6 @@ void unused_pin_init() {
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gpio_bit_reset(GPIOC, GPIO_PIN_13 | GPIO_PIN_14 | GPIO_PIN_15);
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}
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/**
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* @brief 扫描APP地址范围内的Flash内容
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* @param print_content 是否打印Flash内容，默认为true
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@@ -134,6 +139,164 @@ void scanAppFlashContent(bool print_content = true, u32 page_count = 0) {
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#endif
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}
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/*!
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\brief prepare system to enter deep sleep mode
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\param[in] none
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\param[out] none
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\retval none
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*/
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void enter_deep_sleep() {
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// 关闭不必要的外设时钟
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rcu_periph_clock_disable(RCU_TIMER0); // 关闭定时器时钟
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rcu_periph_clock_disable(RCU_TIMER1);
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rcu_periph_clock_disable(RCU_SPI0); // 关闭SPI时钟
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rcu_periph_clock_disable(RCU_I2C0); // 关闭I2C时钟
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rcu_periph_clock_disable(RCU_ADC0); // 关闭ADC时钟
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// 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
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// 设置深睡眠模式下的电压以进一步降低功耗
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rcu_deepsleep_voltage_set(RCU_DEEPSLEEP_V_0_8); // 设置最低电压
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// 配置PB8为输入模式，用于外部中断
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rcu_periph_clock_enable(RCU_GPIOB);
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rcu_periph_clock_enable(RCU_AF);
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gpio_init(GPIOB, GPIO_MODE_IN_FLOATING, GPIO_OSPEED_50MHZ, GPIO_PIN_8);
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// 配置EXTI中断（连接到PB8引脚）
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gpio_exti_source_select(GPIO_PORT_SOURCE_GPIOB,
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GPIO_PIN_SOURCE_8); // 配置GPIOB的PIN8作为EXTI8的源
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exti_init(EXTI_8, EXTI_INTERRUPT, EXTI_TRIG_RISING); // 边沿触发
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exti_interrupt_enable(EXTI_8);
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nvic_irq_enable(EXTI5_9_IRQn, 0, 0); //
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// 确保中断标志已被清除
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exti_interrupt_flag_clear(EXTI_8);
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__enable_irq();
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delay_1ms(10);
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// 进入深度睡眠
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pmu_to_deepsleepmode(PMU_LDO_LOWPOWER, WFI_CMD);
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}
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/**
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* @brief 写地址
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* @return fmc_state_enum
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*/
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fmc_state_enum write_ADDRESS(u32 address, u32 data) {
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fmc_unlock();
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fmc_flag_clear(FMC_FLAG_PGERR | FMC_FLAG_PGAERR | FMC_FLAG_WPERR);
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// 确保使用对齐地址
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fmc_state_enum fmc_status = fmc_word_program(address, data);
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fmc_lock();
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return fmc_status;
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}
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/**
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* @brief EXTI5_9中断处理函数
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* @param 无
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* @retval 无
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*/
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void EXTI5_9_IRQHandler(void) {
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if (exti_interrupt_flag_get(EXTI_8) != RESET) {
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// 清除中断标志
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exti_interrupt_flag_clear(EXTI_8);
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// 禁用EXTI线8的中断，防止重复触发
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exti_interrupt_disable(EXTI_8);
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#if SLEEP_DEBUG
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printf("MCU wake up\r\n");
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#endif
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OTA_SET(n_APP_LATEST_EN_ADDR, OTA_AVAL); // 设置APP为不激活
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// 遍历睡眠存储区
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for (u32 address = SLEEP_CONFIG_END - SIZE_U32;
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address >= SLEEP_CONFIG_START; address -= SIZE_U32) {
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volatile u32 *flash_ptr = (volatile u32 *)address;
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u32 sleep_check = *flash_ptr;
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if (sleep_check == FLASH_EMPTY and
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address > SLEEP_CONFIG_START) { // 空则跳过该次循环
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continue;
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} else if (
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sleep_check == SLEEP_ENABLE and
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address >
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SLEEP_CONFIG_START) { // 如果检查到睡眠启用，写入非启用
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#if SLEEP_DEBUG
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printf("boot sleep found %08x at %08x\r\n", sleep_check,
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address);
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#endif
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if (address == SLEEP_CONFIG_END - SIZE_U32) {
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fmc_unlock();
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fmc_state_enum fmc_status =
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fmc_page_erase(SLEEP_CONFIG_START); // 擦除已满的页
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if (fmc_status != FMC_READY) { // 擦除失败报错
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fmc_lock();
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return;
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}
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address = SLEEP_CONFIG_START - SIZE_U32; // 重新开始写入
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}
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fmc_state_enum fmc_status =
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write_ADDRESS(address + SIZE_U32, SLEEP_DISABLE);
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if (fmc_status != FMC_READY) { // 写入失败报错
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;
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}
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break; // 完成，跳出遍历
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} else if (sleep_check == SLEEP_DISABLE) { // 已经是非休眠则跳出遍历
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break;
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} else {
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fmc_state_enum fmc_status =
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write_ADDRESS(address, SLEEP_DISABLE);
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if (fmc_status != FMC_READY) { // 写入失败报错
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;
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}
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break;
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}
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}
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// 唤醒后软重启，确保正常初始化
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system_soft_reset();
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}
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}
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int check_sleep() {
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#if SLEEP_DEBUG
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printf("sleep check\r\n");
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#endif
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for (u32 address = SLEEP_CONFIG_END - SIZE_U32;
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address >= SLEEP_CONFIG_START; address -= SIZE_U32) { // 遍历睡眠存储区
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volatile u32 *flash_ptr = (volatile u32 *)address;
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u32 sleep_check = *flash_ptr;
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#if SLEEP_DEBUG
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printf("sleep check %8x-----%x\r\n", address, sleep_check);
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#endif
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if (sleep_check == FLASH_EMPTY) { // 空则跳过
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continue;
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} else if (sleep_check == SLEEP_ENABLE) { // 睡眠使能则继续休眠
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#if SLEEP_DEBUG
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printf("sleep enable\r\n");
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#endif
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enter_deep_sleep();
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return 0;
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} else if (sleep_check == SLEEP_DISABLE) { // 禁用睡眠则跳出
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#if SLEEP_DEBUG
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printf("sleep disable\r\n");
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#endif
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return 0;
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}
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}
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// 遍历到头都未找到，写入第一次的数据
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#if SLEEP_DEBUG
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printf("boot sleep not found\r\n");
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#endif
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fmc_state_enum fmc_status =
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write_ADDRESS(SLEEP_CONFIG_START, SLEEP_DISABLE);
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if (fmc_status != FMC_READY) { // 写入失败报错
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#if SLEEP_DEBUG
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printf("boot sleep write error\r\n");
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#endif
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return 1;
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}
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return 2; // 第一次启动
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}
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// // 发送单个字节到串口 (用于调试)
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// void uart_send_byte(uint8_t data) {
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// // 实际的串口发送代码
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