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驱动所有外设

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This commit is contained in:
Wanderingss
2026-07-14 18:17:00 +08:00
parent 2d0d000a38
commit d4112399c2
51 changed files with 126956 additions and 143 deletions
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2
STM32F103C8T6/Core/Src/adc.c
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@@ -71,7 +71,7 @@ void MX_ADC1_Init(void)
sConfigInjected.InjectedRank = ADC_INJECTED_RANK_1;
sConfigInjected.InjectedNbrOfConversion = 4;
sConfigInjected.InjectedSamplingTime = ADC_SAMPLETIME_41CYCLES_5;
sConfigInjected.ExternalTrigInjecConv = ADC_EXTERNALTRIGINJECCONV_T3_CC4;
sConfigInjected.ExternalTrigInjecConv = ADC_EXTERNALTRIGINJECCONV_T4_TRGO;
sConfigInjected.AutoInjectedConv = DISABLE;
sConfigInjected.InjectedDiscontinuousConvMode = DISABLE;
sConfigInjected.InjectedOffset = 0;

117
STM32F103C8T6/Core/Src/i2c.c Normal file
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@@ -0,0 +1,117 @@
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file i2c.c
* @brief This file provides code for the configuration
* of the I2C instances.
******************************************************************************
* @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 */
/* 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
PB8 ------> I2C1_SCL
PB9 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
__HAL_AFIO_REMAP_I2C1_ENABLE();
/* 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
PB8 ------> I2C1_SCL
PB9 ------> I2C1_SDA
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9);
/* USER CODE BEGIN I2C1_MspDeInit 1 */
/* USER CODE END I2C1_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

70
STM32F103C8T6/Core/Src/main.c
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@@ -20,6 +20,7 @@
#include "main.h"
#include "adc.h"
#include "dma.h"
#include "i2c.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
@@ -31,6 +32,7 @@
#include "button_driver.h"
#include "st7735s.h"
#include "lcd.h"
#include "at24c02.h"
/* USER CODE END Includes */
@@ -102,6 +104,7 @@ int main(void)
MX_TIM4_Init();
MX_ADC1_Init();
MX_TIM3_Init();
MX_I2C1_Init();
/* USER CODE BEGIN 2 */
printf("\r\nSTM32F103C8T6 Boot OK\r\n");
button_driver_init();
@@ -115,17 +118,17 @@ int main(void)
lcd_draw_chinese_string(0, 32, "\xE9\x98\x9C\xE9\x98\xB3\xE5\xB8\x88\xE8\x8C\x83\xE5\xA4\xA7\xE5\xAD\xA6", COLOR_WHITE, COLOR_BLACK); /*阜阳师范大学*/
lcd_draw_chinese_string(0, 48, "\xE7\x94\xB5\xE5\xAD\x90\xE8\xAE\xBE\xE8\xAE\xA1\xE7\xAB\x9E\xE8\xB5\x9B", COLOR_WHITE, COLOR_BLACK); /*电子设计竞赛*/
/* 启动 TIM4 四路 PWM */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_1); /* PB6 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_2); /* PB7 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_3); /* PB8 */
HAL_TIM_PWM_Start(&htim4, TIM_CHANNEL_4); /* PB9 */
/* 启动 TIM3 四路 PWM（PA6 CH1, PA7 CH2, PB0 CH3, PB1 CH4） */
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_1);
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_2);
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_3);
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_4);
/* 设置占空比（0~999 对应 0%~100%） */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_1, 500); /* 50% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_2, 250); /* 25% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_3, 750); /* 75% */
__HAL_TIM_SET_COMPARE(&htim4, TIM_CHANNEL_4, 999); /* 100% */
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_1, 500); /* 50% */
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_2, 250); /* 25% */
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, 750); /* 75% */
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_4, 999); /* 100% */
/* === 测试：常规组软件触发，确认 ADC 硬件正常 === */
HAL_ADC_Start(&hadc1);
@@ -134,12 +137,51 @@ int main(void)
}
HAL_ADC_Stop(&hadc1);
/* 启动 TIM3 CH4（产生 ADC 触发信号） */
HAL_TIM_OC_Start(&htim3, TIM_CHANNEL_4);
/* 启动 TIM4（TRGO = Update，1kHz 触发 ADC1 注入组） */
HAL_TIM_Base_Start(&htim4);
/* 启动 ADC 注入组（TIM3 每触发一次，自动采一轮 PA0~PA3） */
/* 启动 ADC 注入组（TIM4 每触发一次，自动采一轮 PA0~PA3） */
HAL_ADCEx_InjectedStart(&hadc1);
/* === AT24C02 EEPROM 测试 === */
{
uint8_t wbuf[] = {0x11, 0x22, 0x33, 0x44, 0x55};
uint8_t rbuf[8];
int i, ret;
ret = at24c02_scan();
if (ret == AT24C02_OK) {
lcd_draw_string(0, 64, "AT24C02 OK", COLOR_GREEN, COLOR_BLACK);
} else {
lcd_draw_string(0, 64, "AT24C02 FAIL", COLOR_RED, COLOR_BLACK);
}
/* 在地址 0 写入 5 个字节 */
ret = at24c02_write_buf(0, wbuf, 5);
printf("AT24C02 write: %d\r\n", ret);
/* 从地址 0 读回 8 个字节 */
ret = at24c02_read_buf(0, rbuf, 8);
printf("AT24C02 read[%d]:", ret);
for (i = 0; i < 8; i++) {
printf(" %02X", rbuf[i]);
}
printf("\r\n");
/* 验证 */
lcd_draw_string(0, 80, "EEPROM:", COLOR_WHITE, COLOR_BLACK);
for (i = 0; i < 5; i++) {
if (rbuf[i] != wbuf[i]) {
printf("AT24C02 ERR: addr %d expect %02X got %02X\r\n",
i, wbuf[i], rbuf[i]);
break;
}
}
if (i == 5) {
printf("AT24C02 verify OK\r\n");
}
}
/* USER CODE END 2 */
/* Infinite loop */
@@ -152,7 +194,7 @@ int main(void)
HAL_Delay(1000);
HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin);
/* 读取 ADC 注入组结果（TIM3 以 1kHz 触发，每秒打印一次最新值） */
/* 读取 ADC 注入组结果（TIM4 以 1kHz 触发，每秒打印一次最新值） */
uint16_t adc0 = HAL_ADCEx_InjectedGetValue(&hadc1, ADC_INJECTED_RANK_1);
uint16_t adc1 = HAL_ADCEx_InjectedGetValue(&hadc1, ADC_INJECTED_RANK_2);
uint16_t adc2 = HAL_ADCEx_InjectedGetValue(&hadc1, ADC_INJECTED_RANK_3);
@@ -201,7 +243,7 @@ void SystemClock_Config(void)
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();

78
STM32F103C8T6/Core/Src/tim.c
View File

@@ -71,15 +71,26 @@ void MX_TIM3_Init(void)
sConfigOC.Pulse = 500;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
{
Error_Handler();
}
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
{
Error_Handler();
}
sConfigOC.Pulse = 0;
if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN TIM3_Init 2 */
/* 注意：若从 CubeMX 重新生成，务必在 TIM3 CH4 的 OC Mode 选 PWM1，Pulse 设 500，
否则 ADC 注入组外部触发无法工作。
此处手动修改 sConfigOC.OCMode 和 sConfigOC.Pulse 为 PWM1/500 */
/* USER CODE END TIM3_Init 2 */
HAL_TIM_MspPostInit(&htim3);
}
/* TIM4 init function */
@@ -92,7 +103,6 @@ void MX_TIM4_Init(void)
TIM_ClockConfigTypeDef sClockSourceConfig = {0};
TIM_MasterConfigTypeDef sMasterConfig = {0};
TIM_OC_InitTypeDef sConfigOC = {0};
/* USER CODE BEGIN TIM4_Init 1 */
@@ -112,42 +122,14 @@ void MX_TIM4_Init(void)
{
Error_Handler();
}
if (HAL_TIM_PWM_Init(&htim4) != HAL_OK)
{
Error_Handler();
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_ENABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
{
Error_Handler();
}
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.Pulse = 500;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}
if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
{
Error_Handler();
}
sConfigOC.Pulse = 0;
if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
{
Error_Handler();
}
sConfigOC.Pulse = 500;
if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN TIM4_Init 2 */
/* USER CODE END TIM4_Init 2 */
HAL_TIM_MspPostInit(&htim4);
}
@@ -181,27 +163,33 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(timHandle->Instance==TIM4)
if(timHandle->Instance==TIM3)
{
/* USER CODE BEGIN TIM4_MspPostInit 0 */
/* USER CODE BEGIN TIM3_MspPostInit 0 */
/* USER CODE END TIM4_MspPostInit 0 */
/* USER CODE END TIM3_MspPostInit 0 */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/**TIM4 GPIO Configuration
PB6 ------> TIM4_CH1
PB7 ------> TIM4_CH2
PB8 ------> TIM4_CH3
PB9 ------> TIM4_CH4
/**TIM3 GPIO Configuration
PA6 ------> TIM3_CH1
PA7 ------> TIM3_CH2
PB0 ------> TIM3_CH3
PB1 ------> TIM3_CH4
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* USER CODE BEGIN TIM4_MspPostInit 1 */
/* USER CODE BEGIN TIM3_MspPostInit 1 */
/* USER CODE END TIM4_MspPostInit 1 */
/* USER CODE END TIM3_MspPostInit 1 */
}
}