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添加SHT45驱动

This commit is contained in:
95384 2025-03-06 08:57:04 +08:00
parent 274a408676
commit c6ec628b9f
2 changed files with 81 additions and 29 deletions
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25
App/Src/anemometer_dev.c
View File

@ -1089,7 +1089,7 @@ static void getTempHumiPress(void)
//置错误标志位
g_error_log.temp_error_TMP117 = 1;
//使用备用温度
g_stMcs_Para.temperature = backupTemperature1;
g_stMcs_Para.temperature = backupTemperature2;
}
else
{
@ -1105,20 +1105,20 @@ static void getTempHumiPress(void)
//关电重启,第一次进入错误判断，此时此时错误标志位为0，关电并置位错误标志位；
//再进入错误标志位检测到错误标志位后开电
//下一次监测如果SHT30恢复，则正常运行，如果没有恢复，电继续开着，保证温度传感器正常运行
if(g_error_log.temp_error_SHT30 == 0)
{
HAL_GPIO_WritePin(GPIOB, GPIO_SHT_PWR_EN_Pin, GPIO_PIN_RESET);
HAL_I2C_DeInit(&hi2c1);
}else
{
HAL_GPIO_WritePin(GPIOB, GPIO_SHT_PWR_EN_Pin, GPIO_PIN_SET);
MX_I2C1_Init();
sht30_init();
}
// if(g_error_log.temp_error_SHT30 == 0)
// {
// HAL_GPIO_WritePin(GPIOB, GPIO_SHT_PWR_EN_Pin, GPIO_PIN_RESET);
// HAL_I2C_DeInit(&hi2c1);
// }else
// {
// HAL_GPIO_WritePin(GPIOB, GPIO_SHT_PWR_EN_Pin, GPIO_PIN_SET);
// MX_I2C1_Init();
// sht30_init();
// }
//置错误标志位
g_error_log.temp_error_SHT30 = 1;
#if TEMP_SENSOR == SHT30_SENSOR
g_stMcs_Para.temperature = backupTemperature1;
g_stMcs_Para.temperature = 0;
#endif /*TEMP_SENSOR == SHT30_SENSOR*/
}
else
@ -1151,6 +1151,7 @@ void tem_hum_update_task(void const * argument)
if(tem_hun_check_flag)
{
//采集温湿度与大气压
osDelay(10);//等待传感器初始化
getTempHumiPress();
}

85
Drivers/Sht3x/sht30.c
View File

@ -119,6 +119,51 @@ u_int8_t sht30_collect_data(stTempHumiSensor stSensorDev, float *temp, float *hu
}
/**
* @brief 温湿度数据采集
* @param
* @retval
*/
u_int8_t sht45_collect_data(stTempHumiSensor stSensorDev, float *temp, float *humi)
{
u_int8_t read_buff[6] = {0};
uint8_t _cmd[] = {0xFD};
u_int16_t temp_value;
u_int16_t humi_value;
HAL_I2C_Master_Transmit(&hi2c1,stSensorDev.i2c_reg_addr,_cmd,1,0xff);
osDelay(15);
if(HAL_I2C_Master_Receive(&hi2c1,stSensorDev.i2c_reg_addr,read_buff,6,0xff) != HAL_OK){
return HAL_ERROR;
}
if(CheckCrc8(read_buff, 0xFF) != read_buff[2] && CheckCrc8(&read_buff[3], 0xFF) != read_buff[5]){
return HAL_ERROR;
}
temp_value = ((u_int16_t)read_buff[0]<<8)|read_buff[1];
*temp = -45 + 175*((float)temp_value/65535);
humi_value = ((u_int16_t)read_buff[3]<<8)|read_buff[4];
*humi = -6 + 125*((float)humi_value / 65535);
return HAL_OK;
}
static float calculateAverage(float arr[], int avgLength) {
float sum = 0;
// 遍历数组（最多10个元素），收集非零值直到达到指定数量
for (int i = 0; i < 10; ++i) {
sum += arr[i];
}
// 计算平均值并限制最大值
float average = sum / avgLength;
return average;
}
/**
* @brief 获取温湿度数据
* @param
@ -126,48 +171,54 @@ u_int8_t sht30_collect_data(stTempHumiSensor stSensorDev, float *temp, float *hu
*/
#define COLLECT_DATA_NUM 10
BOOL get_temp_humi_data(float* temdata, float* humidata)
{
U_DataType collect_temdata[COLLECT_DATA_NUM]={0x00};
U_DataType collect_humidata[COLLECT_DATA_NUM]={0x00};
U_DataType tmp_temdata,tmp_humidata;
{
float collect_temdata[COLLECT_DATA_NUM] = {0};
float collect_humidata[COLLECT_DATA_NUM] = {0};
float tmp_temdata,tmp_humidata;
uint8_t ret_falt = 0;;
for(int i=0; i<COLLECT_DATA_NUM; i++){
int ret = sht30_collect_data(g_stTempHumiSensor,&collect_temdata[i].fValue, &collect_humidata[i].fValue);
int ret = sht45_collect_data(g_stTempHumiSensor,&collect_temdata[i], &collect_humidata[i]);
// AssertError(ret == HAL_OK, return FALSE, "sht30采样失败");
if(ret == HAL_ERROR)
// return FALSE;
goto error_return;
{
ret_falt++;
}
osDelay(1);
}
if(ret_falt >= COLLECT_DATA_NUM)
{
goto error_return;
}
tmp_temdata = filter_middle(collect_temdata,COLLECT_DATA_NUM, FILTER_DATA_TYPE_FLOAT);
tmp_humidata = filter_middle(collect_humidata,COLLECT_DATA_NUM, FILTER_DATA_TYPE_FLOAT);
tmp_temdata = calculateAverage(collect_temdata,COLLECT_DATA_NUM - ret_falt);
tmp_humidata = calculateAverage(collect_humidata,COLLECT_DATA_NUM - ret_falt);
// 断言有问题
// AssertError((tmp_temdata.fValue >= -40) && (tmp_temdata.fValue <= 85), return FALSE, "sht30温度值校验失败");
// AssertError((tmp_humidata.fValue >= 0) && (tmp_humidata.fValue <= 100), return FALSE, "sht30湿度值校验失败");
if(tmp_temdata.fValue < -50)
if(tmp_temdata < -50)
{
// tmp_temdata.fValue = -40;
// term_printf("sht30温度值校验失败");
// return FALSE;
goto error_return;
}
if(tmp_temdata.fValue > 125)
if(tmp_temdata > 125)
{
// tmp_temdata.fValue = 125;
// term_printf("sht30温度值校验失败");
// return FALSE;
// return FALSE;
goto error_return;
}
if(tmp_humidata.fValue < 0)
if(tmp_humidata < 0)
{
// tmp_humidata.fValue = 0;
// term_printf("sht30湿度值校验失败");
// return FALSE;
goto error_return;
}
if(tmp_humidata.fValue > 100)
if(tmp_humidata > 100)
{
// tmp_humidata.fValue = 100;
// term_printf("sht3湿度值校验失败");
@ -175,8 +226,8 @@ BOOL get_temp_humi_data(float* temdata, float* humidata)
goto error_return;
}
*temdata = tmp_temdata.fValue;
*humidata = tmp_humidata.fValue;
*temdata = tmp_temdata;
*humidata = tmp_humidata;
//g_stTempHumiData.temp = tmp_temdata.fValue;
//g_stTempHumiData.humi = tmp_humidata.fValue;