HS300X app update

This commit is contained in:
Jiang Yufan 2023-08-22 14:00:05 +08:00
parent fbeb75d1f1
commit a7d6f8215e
2 changed files with 37 additions and 4 deletions

View File

@ -69,12 +69,28 @@ static int SensorDeviceRead(struct SensorDevice *sdev, size_t len)
return 0;
}
/**
* @description: Write sensor device
* @param sdev - sensor device pointer
* @param buf - the buffer of write data
* @param len - the length of the write data
* @return success: 0 , failure: -1
*/
static int SensorDeviceWrite(struct SensorDevice *sdev, const void *buf, size_t len)
{
//Read i2c device data from i2c device address
if (PrivWrite(sdev->fd, buf, len) < 0)
return -1;
return 0;
}
static struct SensorDone done =
{
SensorDeviceOpen,
NULL,
SensorDeviceRead,
NULL,
SensorDeviceWrite,
NULL,
};
@ -109,7 +125,8 @@ static int32_t ReadHumidity(struct SensorQuantity *quant)
float result = 0.0;
if (quant->sdev->done->read != NULL) {
if (quant->sdev->status == SENSOR_DEVICE_PASSIVE) {
quant->sdev->done->read(quant->sdev, 4);
quant->sdev->done->write(quant->sdev, NONE, 0);
PrivTaskDelay(50);
quant->sdev->done->read(quant->sdev, 4); /* It takes two reads to get the data right */
result = ((quant->sdev->buffer[0] << 8 | quant->sdev->buffer[1] ) & 0x3fff) * 100.0 / ( (1 << 14) - 1);

View File

@ -68,12 +68,28 @@ static int SensorDeviceRead(struct SensorDevice *sdev, size_t len)
return 0;
}
/**
* @description: Write sensor device
* @param sdev - sensor device pointer
* @param buf - the buffer of write data
* @param len - the length of the write data
* @return success: 0 , failure: -1
*/
static int SensorDeviceWrite(struct SensorDevice *sdev, const void *buf, size_t len)
{
//Read i2c device data from i2c device address
if (PrivWrite(sdev->fd, buf, len) < 0)
return -1;
return 0;
}
static struct SensorDone done =
{
SensorDeviceOpen,
NULL,
SensorDeviceRead,
NULL,
SensorDeviceWrite,
NULL,
};
@ -108,7 +124,7 @@ static int32_t ReadTemperature(struct SensorQuantity *quant)
float result;
if (quant->sdev->done->read != NULL) {
if (quant->sdev->status == SENSOR_DEVICE_PASSIVE) {
quant->sdev->done->read(quant->sdev, 4);
quant->sdev->done->write(quant->sdev, NONE, 0);
PrivTaskDelay(50);
quant->sdev->done->read(quant->sdev, 4); /* It takes two reads to get the data right */
result = ((quant->sdev->buffer[2] << 8 | quant->sdev->buffer[3]) >> 2) * 165.0 /( (1 << 14) - 1) - 40.0;