Battery measurement, basic version

firmware/src/main.c

@@ -4,11 +4,28 @@
 
 #include "buzz_proto.h"
 #include "settings_mgmt.h"
+#include "batt_mgmt.h"
 // #include "fw_mgmt.h"
 // #include "audio.h"
 
 LOG_MODULE_REGISTER(main);
 
+static const char *battery_state_to_str(batt_mgmt_state_t state)
+{
+    switch (state) {
+    case BATT_STATE_DISCHARGING:
+        return "discharging";
+    case BATT_STATE_FULL:
+        return "full";
+    case BATT_STATE_CHARGING:
+        return "charging";
+    case BATT_STATE_ERROR:
+        return "error";
+    default:
+        return "unknown";
+    }
+}
+
 #if IS_ENABLED(CONFIG_BLE_MGMT)
 #include "ble_mgmt.h"
 void ble_rx_cb(const uint8_t *data, uint16_t len)
@@ -49,6 +66,7 @@ void ble_rx_cb(const uint8_t *data, uint16_t len)
 
 int main(void)
 {
+
 #if IS_ENABLED(CONFIG_BLE_MGMT)
     /* BLE-Subsystem initialisieren und RX-Callback registrieren */
     int rc = ble_mgmt_init(ble_rx_cb, app_cfg.dev_name);
@@ -56,17 +74,25 @@ int main(void)
         LOG_ERR("Failed to initialize BLE management: %d", rc);
         return rc;
     }
-    LOG_WRN("After BLE init");
 #else
     LOG_WRN("BLE not enabled");
 #endif
 
-    LOG_WRN("Main park loop active");
 
-    // k_sleep(K_MSEC(500));
-    // LOG_INF("Playing test audio files...");
-    // audio_queue_play("/lfs/sys/update", false);
-    // audio_queue_play("/lfs/sys/confirm", false);
+#if IS_ENABLED(CONFIG_BATT_MGMT)
+    k_sleep(K_MSEC(100));
+    int32_t batt_mv;
+    int batt_rc = batt_mgmt_measure_vddh_mv(BATT_MGMT_OVERSAMPLING_16X, &batt_mv);
+    if (batt_rc == 0) {
+        LOG_INF("Battery after boot: %d mV", batt_mv);
+    } else {
+        LOG_WRN("Battery measurement after boot failed: %d", batt_rc);
+    }
+
+	k_sleep(K_SECONDS(1));
+	batt_mgmt_state_t batt_state = batt_mgmt_get_battery_state();
+	LOG_INF("Battery state after 1s: %s (%d)", battery_state_to_str(batt_state), batt_state);
+#endif
     for (;;) {
         int32_t rem_ms = k_sleep(K_FOREVER);
         LOG_WRN("main woke unexpectedly (remaining=%d ms)", rem_ms);