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fixed ambient temperature in the lis2dw12 sensor sample. #83

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Merged
johnlange2 merged 1 commit into from
Jan 27, 2023
Merged

fixed ambient temperature in the lis2dw12 sensor sample. #83

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16 changes: 5 additions & 11 deletions samples/lis2dw12_sample/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,14 +15,11 @@
#define FREEFALL_EVENT 0x02U
#define DATAREADY_EVENT 0x01U

#define ABS(x) (((x) < 0) ? -(x) : (x))

uint8_t reg_value;
struct sensor_value temperature;
bool sample_init_complete = false;

uint8_t status;

uint8_t reg_value;
struct sensor_value temperature;
struct sensor_value sensor_attr_val;
struct sensor_trigger trig;

Expand Down Expand Up @@ -64,7 +61,7 @@ static void trigger_and_display(const struct device *sensor)
if (rc < 0) {
printf("\n\tERROR: Unable to read register 0X27 :%d\n", rc);
} else {
uint8_t reg_value = (uint8_t)sensor_attr_val.val1;
reg_value = (uint8_t)sensor_attr_val.val1;
if ((reg_value & SINGLE_TAP_EVENT) == SINGLE_TAP_EVENT) {
printf("\n\tSINGLE TAP was detected (%xh)\n", (reg_value));
} else if ((reg_value & DOUBLE_TAP_EVENT) == DOUBLE_TAP_EVENT) {
Expand Down Expand Up @@ -122,15 +119,12 @@ static void trigger_and_display(const struct device *sensor)
}
}

struct sensor_value temp12bit;
rc = sensor_channel_get(sensor, SENSOR_CHAN_AMBIENT_TEMP, &temp12bit);
rc = sensor_channel_get(sensor, SENSOR_CHAN_AMBIENT_TEMP, &temperature);
if (rc < 0) {
printf("\n\tERROR: Unable to read ambient temperature :%d\n", rc);
} else {

float deltaT = (((int16_t)temp12bit.val1 >> 4) * 0.0625);
float temperature16 = (25.0 + deltaT);
printf("\tAmbient Temperature %.1f deg C\n", ABS(temperature16));
printf("\t\tAmbient Temperature: %.2f C\n", sensor_value_to_double(&temperature));
}
}

Expand Down