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增加I2C 使用SHT40温湿度传感器上传TCP客户端数据

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This commit is contained in:
冯佳
2026-03-03 16:39:19 +08:00
parent 23bb103fb5
commit cc4c361df6
16 changed files with 1854 additions and 393 deletions
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58
board/stm32f407ve/board.c
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@ -58,6 +58,7 @@ void SystemClock_Config(void)
}
UART_HandleTypeDef huart1;
I2C_HandleTypeDef hi2c1;
void MX_USART1_UART_Init(void)
{
@ -112,6 +113,60 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
}
}
void MX_I2C1_Init(void)
{
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)
{
while (1);
}
}
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(i2cHandle->Instance==I2C1)
{
/* I2C1 clock enable */
__HAL_RCC_I2C1_CLK_ENABLE();
__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_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
}
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
{
if(i2cHandle->Instance==I2C1)
{
/* Peripheral clock disable */
__HAL_RCC_I2C1_CLK_DISABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7);
}
}
/* Ethernet MSP Init */
void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
{
@ -175,6 +230,9 @@ void rt_hw_board_init(void)
/* Initialize USART1 */
MX_USART1_UART_Init();
/* Initialize I2C1 for SHT40 sensor */
MX_I2C1_Init();
/* Heap initialization */
#if defined(RT_USING_HEAP)
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);