Minor miscellaneous changes

src/W800_SDK_v1.00.10/app/app_drivers/i2c/BMP280.c

@@ -117,6 +117,28 @@ static bool _BMP280_read_calibration_data(void)
     return true;
 }
 
+static float _BMP280_compute_temperature(uint8_t *data)
+{
+    int32_t var1, var2;
+    int32_t adc_T = data[0] << 16 | data[1] << 8 | data[2];
+    adc_T >>= 4;
+
+    var1 = ((((adc_T >> 3) - ((int32_t)_calibration_data.dig_T1 << 1))) *
+            ((int32_t)_calibration_data.dig_T2)) >>
+           11;
+
+    var2 = (((((adc_T >> 4) - ((int32_t)_calibration_data.dig_T1)) *
+              ((adc_T >> 4) - ((int32_t)_calibration_data.dig_T1))) >>
+             12) *
+            ((int32_t)_calibration_data.dig_T3)) >>
+           14;
+
+    t_fine = var1 + var2;
+
+    float T = (t_fine * 5 + 128) >> 8;
+    return T / 100.0;
+}
+
 bool BMP280_init(void)
 {
     uint8_t data;
@@ -162,40 +184,28 @@ bool BMP280_is_measuring(void)
 
 float BMP280_get_temperature(void)
 {
-    int32_t var1, var2;
     uint8_t data[3];
 
     if(!i2c_read(BMP280_I2C_ADDR, BMP280_TEMP_MSB, data, sizeof data)) return 0.0f;
 
-    int32_t adc_T = data[0] << 16 | data[1] << 8 | data[2];
+    return _BMP280_compute_temperature(data);
-    adc_T >>= 4;
-
-    var1 = ((((adc_T >> 3) - ((int32_t)_calibration_data.dig_T1 << 1))) *
-            ((int32_t)_calibration_data.dig_T2)) >>
-           11;
-
-    var2 = (((((adc_T >> 4) - ((int32_t)_calibration_data.dig_T1)) *
-              ((adc_T >> 4) - ((int32_t)_calibration_data.dig_T1))) >>
-             12) *
-            ((int32_t)_calibration_data.dig_T3)) >>
-           14;
-
-    t_fine = var1 + var2;
-
-    float T = (t_fine * 5 + 128) >> 8;
-    return T / 100;
 }
 
 float BMP280_get_pressure(float * const temperature)
 {
     int64_t var1, var2, p;
-    uint8_t data[3];
+    uint8_t data[6];
     
-    float temp = BMP280_get_temperature();
+    /* When reading the pressure, we also need to get the associated temperature, so let's read everything at once */
+    if(!i2c_read(BMP280_I2C_ADDR, BMP280_PRESS_MSB, data, sizeof data))
+    {
+        if(temperature) *temperature = 0.0f;
+        return 0.0f;
+    }
+
+    float temp = _BMP280_compute_temperature(&data[3]);
     if(temperature) *temperature = temp;
 
-    if(!i2c_read(BMP280_I2C_ADDR, BMP280_PRESS_MSB, data, sizeof data)) return 0.0f;
-
     int32_t adc_P = data[0] << 16 | data[1] << 8 | data[2];
     adc_P >>= 4;
 

src/W800_SDK_v1.00.10/include/driver/wm_pmu.h

@@ -146,6 +146,7 @@ void tls_pmu_sdio_isr_register(tls_pmu_irq_callback callback, void *arg);
  */
 void tls_pmu_clk_select(u8 bypass);
 
+/** NOT PART OF THE OFFICIAL SDK **/
 /**
  * @brief           Starts the internal 32K oscillator calibration cycle.
  * 
@@ -155,6 +156,7 @@ void tls_pmu_clk_select(u8 bypass);
  * 
  */
 void tls_pmu_clk_calibrate(void);
+/**********************************/
 
 
 /**

src/W800_SDK_v1.00.10/include/driver/wm_rtc.h

@@ -59,7 +59,6 @@ void tls_set_rtc(struct tm *tblock);
 void tls_get_rtc(struct tm *tblock);
 
 /** NOT PART OF THE OFFICIAL SDK **/
-
 /**
  * @brief Checks if the RTC peripheral is running or not
  * 
@@ -67,7 +66,6 @@ void tls_get_rtc(struct tm *tblock);
  * @return false 
  */
 bool tls_is_rtc_running(void);
-
 /**********************************/
 
 /**