Temperature can be negative, use signed integer.

diff --git a/extdrv/bme280_humidity_sensor.c b/extdrv/bme280_humidity_sensor.c
index 42044f0..656b569 100644 (file)
--- a/extdrv/bme280_humidity_sensor.c
+++ b/extdrv/bme280_humidity_sensor.c
@@ -170,7 +170,7 @@ int bme280_configure(struct bme280_sensor_config* conf)
  *   glibc.
  */
 #define READ_CMD_SIZE   3
-int bme280_sensor_read(struct bme280_sensor_config* conf, uint32_t* pressure, uint32_t* temp, uint16_t* hum)
+int bme280_sensor_read(struct bme280_sensor_config* conf, uint32_t* pressure, int32_t* temp, uint16_t* hum)
 {
     int ret = 0;
     char cmd_buf[READ_CMD_SIZE] = { conf->addr, BME280_REGS(raw_data), (conf->addr | I2C_READ_BIT), };