软件SPI可以驱动屏幕

STM32F103C8T6/Core/Inc/dma.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    dma.h
+  * @brief   This file contains all the function prototypes for
+  *          the dma.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __DMA_H__
+#define __DMA_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* DMA memory to memory transfer handles -------------------------------------*/
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_DMA_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DMA_H__ */
+

STM32F103C8T6/Core/Inc/main.h

@@ -63,12 +63,12 @@ void Error_Handler(void);
 #define KEY4_GPIO_Port GPIOC
 #define KEY5_Pin GPIO_PIN_15
 #define KEY5_GPIO_Port GPIOC
+#define LCD_DC_Pin GPIO_PIN_10
+#define LCD_DC_GPIO_Port GPIOB
+#define LCD_CS_Pin GPIO_PIN_11
+#define LCD_CS_GPIO_Port GPIOB
 #define LCD_RST_Pin GPIO_PIN_12
 #define LCD_RST_GPIO_Port GPIOB
-#define LCD_SCL_Pin GPIO_PIN_13
-#define LCD_SCL_GPIO_Port GPIOB
-#define LCD_SDA_Pin GPIO_PIN_15
-#define LCD_SDA_GPIO_Port GPIOB
 #define KEY3_Pin GPIO_PIN_3
 #define KEY3_GPIO_Port GPIOB
 #define KEY1_Pin GPIO_PIN_4

STM32F103C8T6/Core/Inc/spi.h

@@ -0,0 +1,52 @@
+/* USER CODE BEGIN Header */
+/**
+  ******************************************************************************
+  * @file    spi.h
+  * @brief   This file contains all the function prototypes for
+  *          the spi.c file
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2026 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+/* USER CODE END Header */
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __SPI_H__
+#define __SPI_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "main.h"
+
+/* USER CODE BEGIN Includes */
+
+/* USER CODE END Includes */
+
+extern SPI_HandleTypeDef hspi2;
+
+/* USER CODE BEGIN Private defines */
+
+/* USER CODE END Private defines */
+
+void MX_SPI2_Init(void);
+
+/* USER CODE BEGIN Prototypes */
+
+/* USER CODE END Prototypes */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __SPI_H__ */
+

STM32F103C8T6/Core/Inc/stm32f1xx_hal_conf.h

@@ -42,7 +42,7 @@
 /*#define HAL_CORTEX_MODULE_ENABLED   */
 /*#define HAL_CRC_MODULE_ENABLED   */
 /*#define HAL_DAC_MODULE_ENABLED   */
-/*#define HAL_DMA_MODULE_ENABLED   */
+#define HAL_DMA_MODULE_ENABLED
 /*#define HAL_ETH_MODULE_ENABLED   */
 /*#define HAL_FLASH_MODULE_ENABLED   */
 #define HAL_GPIO_MODULE_ENABLED
@@ -62,7 +62,7 @@
 /*#define HAL_MMC_MODULE_ENABLED   */
 /*#define HAL_SDRAM_MODULE_ENABLED   */
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
-/*#define HAL_SPI_MODULE_ENABLED   */
+#define HAL_SPI_MODULE_ENABLED
 /*#define HAL_SRAM_MODULE_ENABLED   */
 /*#define HAL_TIM_MODULE_ENABLED   */
 #define HAL_UART_MODULE_ENABLED

STM32F103C8T6/Core/Inc/stm32f1xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void DMA1_Channel5_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */