Power: info (#272)

applications/power/power.c

@@ -17,10 +17,16 @@ struct Power {
     Icon* battery_icon;
     Widget* battery_widget;
 
+    Widget* widget;
+
     ValueMutex* menu_vm;
     Cli* cli;
     MenuItem* menu;
 
+    float current;
+    float voltage;
+    float temperature;
+
     uint8_t charge;
 };
 
@@ -50,6 +56,39 @@ void power_disable_otg_callback(void* context) {
     api_hal_power_disable_otg();
 }
 
+void power_info_callback(void* context) {
+    Power* power = context;
+    widget_enabled_set(power->widget, true);
+}
+
+void power_draw_callback(Canvas* canvas, void* context) {
+    Power* power = context;
+
+    canvas_clear(canvas);
+    canvas_set_color(canvas, ColorBlack);
+    canvas_set_font(canvas, FontPrimary);
+    canvas_draw_str(canvas, 2, 10, "Power state:");
+
+    char buffer[64];
+    canvas_set_font(canvas, FontSecondary);
+    snprintf(buffer, 64, "Current: %ldmA", (int32_t)(power->current * 1000));
+    canvas_draw_str(canvas, 5, 22, buffer);
+    snprintf(buffer, 64, "Voltage: %ldmV", (uint32_t)(power->voltage * 1000));
+    canvas_draw_str(canvas, 5, 32, buffer);
+    snprintf(buffer, 64, "Charge: %ld%%", (uint32_t)(power->charge));
+    canvas_draw_str(canvas, 5, 42, buffer);
+    snprintf(buffer, 64, "Temperature: %ldC", (uint32_t)(power->temperature));
+    canvas_draw_str(canvas, 5, 52, buffer);
+}
+
+void power_input_callback(InputEvent* event, void* context) {
+    Power* power = context;
+
+    if(!event->state) return;
+
+    widget_enabled_set(power->widget, false);
+}
+
 Power* power_alloc() {
     Power* power = furi_alloc(sizeof(Power));
 
@@ -67,12 +106,19 @@ Power* power_alloc() {
     menu_item_subitem_add(
         power->menu,
         menu_item_alloc_function("Disable OTG", NULL, power_disable_otg_callback, power));
+    menu_item_subitem_add(
+        power->menu, menu_item_alloc_function("Info", NULL, power_info_callback, power));
 
     power->usb_icon = assets_icons_get(I_USBConnected_15x8);
     power->usb_widget = widget_alloc();
     widget_set_width(power->usb_widget, icon_get_width(power->usb_icon));
     widget_draw_callback_set(power->usb_widget, power_draw_usb_callback, power);
 
+    power->widget = widget_alloc();
+    widget_draw_callback_set(power->widget, power_draw_callback, power);
+    widget_input_callback_set(power->widget, power_input_callback, power);
+    widget_enabled_set(power->widget, false);
+
     power->battery_icon = assets_icons_get(I_Battery_19x8);
     power->battery_widget = widget_alloc();
     widget_set_width(power->battery_widget, icon_get_width(power->battery_icon));
@@ -135,6 +181,7 @@ void power_task(void* p) {
     }
 
     Gui* gui = furi_open("gui");
+    gui_add_widget(gui, power->widget, GuiLayerFullscreen);
     gui_add_widget(gui, power->usb_widget, GuiLayerStatusBarLeft);
     gui_add_widget(gui, power->battery_widget, GuiLayerStatusBarRight);
 
@@ -152,6 +199,10 @@ void power_task(void* p) {
 
     while(1) {
         power->charge = api_hal_power_get_pct();
+        power->current = api_hal_power_get_battery_current();
+        power->voltage = api_hal_power_get_battery_voltage();
+        power->temperature = api_hal_power_get_battery_temperature();
+        widget_update(power->widget);
         widget_enabled_set(power->usb_widget, api_hal_power_is_charging());
         osDelay(1000);
     }

firmware/targets/api-hal-include/api-hal-power.h

@@ -32,6 +32,9 @@ float api_hal_power_get_battery_voltage();
 /* Get battery current in A */
 float api_hal_power_get_battery_current();
 
+/* Get temperature in C */
+float api_hal_power_get_battery_temperature();
+
 /* Get power system component state */
 void api_hal_power_dump_state(string_t buffer);
 

firmware/targets/f4/api-hal/api-hal-power.c

@@ -42,6 +42,10 @@ float api_hal_power_get_battery_current() {
     return (float)bq27220_get_current() / 1000.0f;
 }
 
+float api_hal_power_get_battery_temperature() {
+    return ((float)bq27220_get_temperature() - 2731.0f) / 10.0f;
+}
+
 void api_hal_power_dump_state(string_t buffer) {
     BatteryStatus battery_status;
     OperationStatus operation_status;
@@ -77,7 +81,7 @@ void api_hal_power_dump_state(string_t buffer) {
         );
         string_cat_printf(buffer,
             "bq27220: Voltage: %dmV, Current: %dmA, Temperature: %dC\r\n",
-            bq27220_get_voltage(), bq27220_get_current(), (bq27220_get_temperature() - 2731)/10
+            bq27220_get_voltage(), bq27220_get_current(), (int)api_hal_power_get_battery_temperature()
         );
     }