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加入I2C

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This commit is contained in:
不吃油炸鸡
2025-10-20 20:16:36 +08:00
parent 1d413c16c4
commit ec03541a78
10 changed files with 10709 additions and 19 deletions
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52
bootloader/Core/Inc/i2c.h Normal file
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@@ -0,0 +1,52 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file i2c.h
* @brief This file contains all the function prototypes for
* the i2c.c file
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 __I2C_H__
#define __I2C_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
extern I2C_HandleTypeDef hi2c1;
/* USER CODE BEGIN Private defines */
/* USER CODE END Private defines */
void MX_I2C1_Init(void);
/* USER CODE BEGIN Prototypes */
/* USER CODE END Prototypes */
#ifdef __cplusplus
}
#endif
#endif /* __I2C_H__ */

2
bootloader/Core/Inc/stm32f4xx_hal_conf.h
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@@ -53,7 +53,7 @@
/* #define HAL_SRAM_MODULE_ENABLED */
/* #define HAL_SDRAM_MODULE_ENABLED */
/* #define HAL_HASH_MODULE_ENABLED */
/* #define HAL_I2C_MODULE_ENABLED */
#define HAL_I2C_MODULE_ENABLED
/* #define HAL_I2S_MODULE_ENABLED */
/* #define HAL_IWDG_MODULE_ENABLED */
/* #define HAL_LTDC_MODULE_ENABLED */

116
bootloader/Core/Src/i2c.c Normal file
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@@ -0,0 +1,116 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file i2c.c
* @brief This file provides code for the configuration
* of the I2C instances.
******************************************************************************
* @attention
*
* Copyright (c) 2025 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 */
/* Includes ------------------------------------------------------------------*/
#include "i2c.h"
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
I2C_HandleTypeDef hi2c1;
/* I2C1 init function */
void MX_I2C1_Init(void)
{
/* USER CODE BEGIN I2C1_Init 0 */
/* USER CODE END I2C1_Init 0 */
/* USER CODE BEGIN I2C1_Init 1 */
/* USER CODE END I2C1_Init 1 */
hi2c1.Instance = I2C1;
hi2c1.Init.ClockSpeed = 100000;
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
hi2c1.Init.OwnAddress1 = 0;
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c1.Init.OwnAddress2 = 0;
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN I2C1_Init 2 */
/* USER CODE END I2C1_Init 2 */
}
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(i2cHandle->Instance==I2C1)
{
/* USER CODE BEGIN I2C1_MspInit 0 */
/* USER CODE END I2C1_MspInit 0 */
__HAL_RCC_GPIOB_CLK_ENABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* I2C1 clock enable */
__HAL_RCC_I2C1_CLK_ENABLE();
/* USER CODE BEGIN I2C1_MspInit 1 */
/* USER CODE END I2C1_MspInit 1 */
}
}
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
{
if(i2cHandle->Instance==I2C1)
{
/* USER CODE BEGIN I2C1_MspDeInit 0 */
/* USER CODE END I2C1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_I2C1_CLK_DISABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
/* USER CODE BEGIN I2C1_MspDeInit 1 */
/* USER CODE END I2C1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

34
bootloader/Core/Src/main.c
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@@ -18,6 +18,7 @@
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "i2c.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
@@ -25,13 +26,14 @@
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdio.h>
#include "menu.h"
#include "delay.h"
#include "lcd.h"
#include "lcd_init.h"
#include "key.h"
#include <string.h>
#include <stdio.h>
#include "BL24C02.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
@@ -101,6 +103,7 @@ int main(void)
MX_SPI2_Init();
MX_TIM1_Init();
MX_USART6_UART_Init();
MX_I2C1_Init();
/* USER CODE BEGIN 2 */
//sys delay
@@ -117,13 +120,23 @@ int main(void)
LCD_Fill(0, 0, LCD_W, LCD_H, BLACK);
delay_ms(10);
LCD_Set_Light(50);
// extern eeprom BL24C02
uint8_t update_flag = 0;
if(!EEPROM_Init_Check()) {
update_flag = EEPROM_UpdateCommand_Check();
if(EEPROM_UpdateCommand_Check()) {
printf("enter firmware update mode\r\n");
EEPROM_UpdateCommand_Write(false);
}
}
//开机启动时如果按下KEY, 进入boot中IAP升级模式
if(HAL_GPIO_ReadPin(KEYB_PORT, KEYB_PIN) == 0)
// 开机启动时如果按下KEY, 或EEPROM有升级标志, 进入boot中IAP升级模式
if(HAL_GPIO_ReadPin(KEYB_PORT, KEYB_PIN) == 0 || update_flag)
{
// 延时判断是否真的按下
delay_ms(500);
if(HAL_GPIO_ReadPin(KEYB_PORT, KEYB_PIN) == 0)
if(HAL_GPIO_ReadPin(KEYB_PORT, KEYB_PIN) == 0 || update_flag)
{
LCD_ShowString(72, LCD_H/3, (uint8_t*)"Bootload", WHITE, BLACK, 24, 0);//12*6,16*8,24*12,32*16
//menu
@@ -132,7 +145,7 @@ int main(void)
}
}
//如果没按下KEY1, 且有APP程序, 则运行APP, 没有APP则
// 如果没按下KEY1, 且有APP程序, 则运行APP, 没有APP则
else
{
uint32_t data1, data2;
@@ -177,11 +190,14 @@ int main(void)
Jump_To_Application();
}
// no legal APP
else
else
{
LCD_ShowString(74, LCD_H/3, (uint8_t*)"No App!", WHITE, BLACK, 24, 0);//12*6,16*8,24*12,32*16
LCD_ShowString(32, LCD_H/3+48, (uint8_t*)"Please Download", WHITE, BLACK, 24, 0);
HAL_Delay(1000);
LCD_ShowString(24, LCD_H/3+48, (uint8_t*)"Plz Download APP", WHITE, BLACK, 24, 0);
HAL_Delay(2000);
LCD_ShowString(72, LCD_H/3, (uint8_t*)"Bootload", WHITE, BLACK, 24, 0);//12*6,16*8,24*12,32*16
FLASH_If_Init();
Main_Menu();
}
}