Adding the battery controller IC charging, charged and unplugged status detection, work in progress

src/W800_SDK_v1.00.10/app/app_drivers/watch_peripherals/watch_peripherals.c

@@ -29,6 +29,10 @@ static void watch_peripherals_io_init(void)
     /* We initialize the output pin for the vibration motor enable pin */
     tls_gpio_cfg(VIBRATION_MOTOR_ENABLE, WM_GPIO_DIR_OUTPUT, WM_GPIO_ATTR_FLOATING);
     tls_gpio_write(VIBRATION_MOTOR_ENABLE, 0);
+
+    /* We initialize the pins used to read the battery controller IC charging and charged statuses */
+    tls_gpio_cfg(BATTERY_CONTROLLER_CHARGING_STATUS, WM_GPIO_DIR_INPUT, WM_GPIO_ATTR_FLOATING);
+    tls_gpio_cfg(BATTERY_CONTROLLER_CHARGED_STATUS, WM_GPIO_DIR_INPUT, WM_GPIO_ATTR_FLOATING);
 }
 
 void watch_peripherals_init(int8_t adcOffset)
@@ -94,6 +98,19 @@ uint8_t battery_voltage_to_percentage(uint16_t voltage_in_mV)
     return (i+1) * 5;
 }
 
+battery_controller_status_e watch_peripherals_get_battery_controller_status(void)
+{
+    bool charging = tls_gpio_read(BATTERY_CONTROLLER_CHARGING_STATUS) == 0;
+    bool charged = tls_gpio_read(BATTERY_CONTROLLER_CHARGED_STATUS) == 0;
+    
+    if(charging && !charged)
+        return BATTERY_CHARGING;
+    else if(!charging && charged)
+        return BATTERY_CHARGED;
+
+    return BATTERY_STATUS_ERROR;
+}
+
 void watch_peripherals_vibrate(uint8_t strength, uint32_t durationMs)
 {
     APP_LOG_DEBUG("Vibration started");

src/W800_SDK_v1.00.10/app/app_drivers/watch_peripherals/watch_peripherals.h

@@ -12,6 +12,13 @@ typedef enum Battery_Unit
     Battery_Unit_percent
 } Battery_Unit_e;
 
+typedef enum battery_controller_status
+{
+    BATTERY_CHARGING = 0,
+    BATTERY_CHARGED,
+    BATTERY_STATUS_ERROR
+} battery_controller_status_e;
+
 /**
  * @brief Inits the watch peripherals driver.
  * This must be called before using the API.
@@ -39,6 +46,14 @@ uint16_t watch_peripherals_get_battery_voltage(Battery_Unit_e unit);
  */
 uint8_t battery_voltage_to_percentage(uint16_t voltage_in_mV);
 
+/**
+ * @brief Returns the current battery controller IC status.
+ * It can be one of the following 
+ * 
+ * @return battery_controller_status_e 
+ */
+battery_controller_status_e watch_peripherals_get_battery_controller_status(void);
+
 /**
  * @brief Triggers the vibration motor to vibrate at the provided strength for the set duration in ms.
  * 

src/W800_SDK_v1.00.10/app/gfx/gfx_task.c

@@ -351,9 +351,10 @@ void gfx_task(void *param)
             BMP280_trigger_measurement();
             battery_voltage = watch_peripherals_get_battery_voltage(Battery_Unit_mV);
             battery_percentage = battery_voltage_to_percentage(battery_voltage);
-            APP_LOG_DEBUG("GFX thread, temp : %0.2f °C, press : %0.2f hPa, bat : %u mV <-> %u %%",
+            APP_LOG_DEBUG("GFX thread, temp : %0.2f °C, press : %0.2f hPa, bat(%d) : %u mV <-> %u %%",
                             temperature,
                             pressure/100,
+                            watch_peripherals_get_battery_controller_status(),
                             battery_voltage,
                             battery_percentage);