From 0f4f89eae4ad3742d39ddb436e8dbafb419458ec Mon Sep 17 00:00:00 2001
From: xiao <gaoro-xiao@foxmail.com>
Date: Tue, 31 Mar 2026 16:34:44 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=90=8C=E6=AD=A5CubeMX=E7=94=9F?=
 =?UTF-8?q?=E6=88=90=E5=88=9D=E5=A7=8B=E5=8C=96=E4=BB=A3=E7=A0=81?=
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---
 Core/Src/gpio.c | 14 ++++++++++++++
 Core/Src/spi.c  | 12 ++++++++----
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/Core/Src/gpio.c b/Core/Src/gpio.c
index f897b09..4337773 100644
--- a/Core/Src/gpio.c
+++ b/Core/Src/gpio.c
@@ -56,6 +56,9 @@ void MX_GPIO_Init(void)
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET);
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
+
   /*Configure GPIO pin : PC13 */
   GPIO_InitStruct.Pin = GPIO_PIN_13;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
@@ -76,6 +79,17 @@ void MX_GPIO_Init(void)
   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+  /*Configure GPIO pin : PA4 */
+  GPIO_InitStruct.Pin = GPIO_PIN_4;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
+
+  /* EXTI interrupt init*/
+  HAL_NVIC_SetPriority(EXTI0_IRQn, 6, 0);
+  HAL_NVIC_EnableIRQ(EXTI0_IRQn);
+
 }
 
 /* USER CODE BEGIN 2 */
diff --git a/Core/Src/spi.c b/Core/Src/spi.c
index 5a72083..e3184b9 100644
--- a/Core/Src/spi.c
+++ b/Core/Src/spi.c
@@ -73,7 +73,7 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
 
     __HAL_RCC_GPIOA_CLK_ENABLE();
     /**SPI1 GPIO Configuration
-    PA4     ------> CH390 CS (GPIO Output, controlled by CH390_Interface.c)
+    PA4     ------> GPIO_Output
     PA5     ------> SPI1_SCK
     PA6     ------> SPI1_MISO
     PA7     ------> SPI1_MOSI
@@ -90,7 +90,11 @@ void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
     
-    /* PA4 (CS) is configured as GPIO output in CH390_Interface.c */
+    GPIO_InitStruct.Pin = GPIO_PIN_4;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_NOPULL;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
     /* SPI1 interrupt Init */
     HAL_NVIC_SetPriority(SPI1_IRQn, 5, 0);
@@ -113,12 +117,12 @@ void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
     __HAL_RCC_SPI1_CLK_DISABLE();
 
     /**SPI1 GPIO Configuration
-    PA4     ------> CH390 CS (handled by CH390_Interface.c)
+    PA4     ------> GPIO_Output
     PA5     ------> SPI1_SCK
     PA6     ------> SPI1_MISO
     PA7     ------> SPI1_MOSI
     */
-    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
+    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
 
     /* SPI1 interrupt Deinit */
     HAL_NVIC_DisableIRQ(SPI1_IRQn);