From c8240d55741f0ed86099a0a8c616f4fc68372134 Mon Sep 17 00:00:00 2001
From: yincheng.zhong <634916154@qq.com>
Date: 星期四, 25 十二月 2025 10:17:55 +0800
Subject: [PATCH] OTA功能测试完成，4G超时时间异常，出现4G中断情况，等杜工修改。
---
STM32H743/Core/Src/stm32h7xx_it.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++--------
1 files changed, 48 insertions(+), 8 deletions(-)
diff --git a/STM32H743/Core/Src/stm32h7xx_it.c b/STM32H743/Core/Src/stm32h7xx_it.c
index 4f7c794..990df7a 100644
--- a/STM32H743/Core/Src/stm32h7xx_it.c
+++ b/STM32H743/Core/Src/stm32h7xx_it.c
@@ -23,6 +23,7 @@
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "bluetooth.h"
+#include "DBG.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -106,7 +107,49 @@
void HardFault_Handler(void)
{
/* USER CODE BEGIN HardFault_IRQn 0 */
-
+ // 鎵撳嵃HardFault淇℃伅
+ // 娉ㄦ剰锛氳繖閲屽亣璁緋rintf宸茬粡閲嶅畾鍚戝埌UART锛屼笖鍦℉ardFault涓繕鑳藉伐浣�
+ // 濡傛灉涓嶈兘宸ヤ綔锛屽彲鑳介渶瑕佺洿鎺ユ搷浣滃瘎瀛樺櫒杈撳嚭
+
+// // 鑾峰彇SCB->HFSR, CFSR绛夊瘎瀛樺櫒鍊�
+// volatile uint32_t hfsr = SCB->HFSR;
+// volatile uint32_t cfsr = SCB->CFSR;
+// volatile uint32_t mmfar = SCB->MMFAR;
+// volatile uint32_t bfar = SCB->BFAR;
+//
+// printf("\r\n=== HARD FAULT ===\r\n");
+// printf("HFSR: 0x%08X\r\n", hfsr);
+// printf("CFSR: 0x%08X\r\n", cfsr);
+//
+// if (hfsr & (1 << 30)) {
+// printf("Forced HardFault\r\n");
+// }
+//
+// if (cfsr & 0xFFFF0000) {
+// printf("Usage Fault: 0x%04X\r\n", (cfsr >> 16));
+// if (cfsr & (1 << 24)) printf(" - UNALIGNED access\r\n");
+// if (cfsr & (1 << 25)) printf(" - DIVBYZERO\r\n");
+// }
+//
+// if (cfsr & 0x0000FF00) {
+// printf("Bus Fault: 0x%02X\r\n", (cfsr >> 8));
+// if (cfsr & (1 << 15)) printf(" - BFAR valid: 0x%08X\r\n", bfar);
+// if (cfsr & (1 << 10)) printf(" - IMPRECISERR (Imprecise data bus error)\r\n");
+// if (cfsr & (1 << 9)) printf(" - PRECISERR (Precise data bus error)\r\n");
+// if (cfsr & (1 << 8)) printf(" - IBUSERR (Instruction bus error)\r\n");
+// }
+//
+// if (cfsr & 0x000000FF) {
+// printf("MemManage Fault: 0x%02X\r\n", cfsr & 0xFF);
+// if (cfsr & (1 << 7)) printf(" - MMFAR valid: 0x%08X\r\n", mmfar);
+// }
+//
+// // 灏濊瘯鎵撳嵃LR鍜孭C锛堥渶瑕佹眹缂栬緟鍔╋紝杩欓噷绠�鍗曟墦鍗板瘎瀛樺櫒锛�
+// // __asm("MOV R0, LR");
+// // __asm("MRS R1, MSP");
+// // __asm("MRS R2, PSP");
+//
+// printf("System Halted.\r\n");
/* USER CODE END HardFault_IRQn 0 */
while (1)
{
@@ -452,19 +495,16 @@
void USART6_IRQHandler(void)
{
/* USER CODE BEGIN USART6_IRQn 0 */
+ // Circular DMA Mode: Just set a flag, do NOT stop DMA
uint32_t tmp_flag = 0;
- uint32_t temp;
tmp_flag = __HAL_UART_GET_FLAG(&huart6, UART_FLAG_IDLE);
if ((tmp_flag != RESET))
{
-
+ g_u32BtIdleIntCount++; // Debug Counter
__HAL_UART_CLEAR_IDLEFLAG(&huart6);
- HAL_UART_DMAStop(&huart6); //
- temp = __HAL_DMA_GET_COUNTER(&hdma_usart6_rx);
- uart6_dma_recv_len = UART6_DMA_RX_BUF_SIZE - temp;
- uart6_dma_recv_end_flag = 1;
- HAL_UART_Receive_DMA(&huart6, uart6_dma_rxbuf, UART6_DMA_RX_BUF_SIZE);
+ // For Circular DMA, we do NOT stop DMA. Just set a flag to notify Poll.
+ uart6_dma_recv_end_flag = 1; // Notify Poll that new data arrived
}
/* USER CODE END USART6_IRQn 0 */
--
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