From c49a790b19b3180d49a49777474df61c37db2ed6 Mon Sep 17 00:00:00 2001
From: Lizongdi <1210855344@qq.com>
Date: Thu, 10 Sep 2026 14:03:50 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90=E4=B8=BB=E7=BA=BF=E5=BE=85=E5=90=88?=
 =?UTF-8?q?=E3=80=91=E5=A2=9E=E5=8A=A0STM32=E7=94=A8=E4=BA=8E=E5=9C=A8hard?=
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---
 bspMCU/bsp_pin.c | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/bspMCU/bsp_pin.c b/bspMCU/bsp_pin.c
index 95ca770..ffa53cd 100644
--- a/bspMCU/bsp_pin.c
+++ b/bspMCU/bsp_pin.c
@@ -47,3 +47,28 @@ void delay_us(int nus)
 	};
 #endif
 }
+
+void hard_fault_handler_c(unsigned int *hardfault_args)
+{
+    unsigned int stacked_r0 = hardfault_args[0];
+    unsigned int stacked_r1 = hardfault_args[1];
+    unsigned int stacked_r2 = hardfault_args[2];
+    unsigned int stacked_r3 = hardfault_args[3];
+    unsigned int stacked_r12 = hardfault_args[4];
+    unsigned int stacked_lr = hardfault_args[5];  // 链接寄存器
+    unsigned int stacked_pc = hardfault_args[6];  // 程序计数器
+    unsigned int stacked_psr = hardfault_args[7]; // 状态寄存器
+
+    // 打印寄存器现场
+    log_a("====== HardFault Detected ======\r\n");
+    log_a("R0 = 0x%08X, R1 = 0x%08X\r\n", stacked_r0, stacked_r1);
+    log_a("R2 = 0x%08X, R3 = 0x%08X\r\n", stacked_r2, stacked_r3);
+    log_a("R12= 0x%08X, LR = 0x%08X\r\n", stacked_r12, stacked_lr);
+    log_a("PC = 0x%08X, PSR= 0x%08X\r\n", stacked_pc, stacked_psr);
+
+    // 打印故障状态寄存器
+    log_a("HFSR = 0x%08X\r\n", SCB->HFSR);
+    log_a("CFSR = 0x%08X\r\n", SCB->CFSR);
+    log_a("BFAR = 0x%08X\r\n", SCB->BFAR);
+    log_a("MMFAR= 0x%08X\r\n", SCB->MMFAR);
+}