Add mgos_barometer API

src/main.c

@@ -23,6 +23,7 @@
 #include "mgos_ccs811.h"
 #include "mgos_mpu9250.h"
 #include "mgos_imu.h"
+#include "mgos_barometer.h"
 #include <fcntl.h>
 #include <sys/ioctl.h>
 
@@ -154,6 +155,22 @@ bool do_mpu9250(struct mgos_mpu9250 *sensor) {
   return true;
 }
 
+bool do_baro(struct mgos_barometer *sensor) {
+  float pressure, temperature;
+
+  if (!sensor)
+    return false;
+
+  if (mgos_barometer_get_pressure(sensor, &pressure)) {
+    LOG(LL_INFO, ("Pressure %.2fPa", pressure));
+  }
+  if (mgos_barometer_get_temperature(sensor, &temperature)) {
+    LOG(LL_INFO, ("Temperature %.2fC", temperature));
+  }
+
+  return true;
+}
+
 int main() {
   struct mgos_i2c *    i2c;
   struct mgos_si7021 * si7021;
@@ -162,6 +179,7 @@ int main() {
   struct mgos_mcp9808 *mcp9808;
   struct mgos_ccs811 * ccs811;
   struct mgos_mpu9250 *mpu9250;
+  struct mgos_barometer *baro;
 
   if (!mgos_i2c_open(I2CBUSNR)) {
     LOG(LL_ERROR, ("Cannot open I2C bus %u", I2CBUSNR));
@@ -187,6 +205,7 @@ int main() {
    * LOG(LL_ERROR, ("Cannot create CCS811 device"));
    */
 
+  /*
   if (!(mpu9250 = mgos_mpu9250_create(i2c, 0x68))) {
     LOG(LL_ERROR, ("Cannot create MPU9250 device"));
   } else {
@@ -195,6 +214,10 @@ int main() {
     mgos_mpu9250_set_magnetometer_scale(mpu9250, SCALE_14_BITS);
     mgos_mpu9250_set_magnetometer_speed(mpu9250, MAG_100_HZ);
   }
+  */
+  if (!(baro=mgos_barometer_create_i2c(i2c, 0x60, BARO_MPL115))) {
+    LOG(LL_ERROR, ("Cannot create MPL115 barometer"));
+  }
 
   for (;;) {
     /*
@@ -203,8 +226,9 @@ int main() {
      * do_htu21df(htu21df);
      * do_mcp9808(mcp9808);
      * do_ccs811(ccs811);
+     * do_mpu9250(mpu9250);
      */
-    do_mpu9250(mpu9250);
+    do_baro(baro);
     sleep(1);
   }
 
@@ -214,6 +238,7 @@ int main() {
   mgos_mcp9808_destroy(&mcp9808);
   mgos_ccs811_destroy(&ccs811);
   mgos_mpu9250_destroy(&mpu9250);
+  mgos_barometer_destroy(&baro);
 
   return 0;
 }