support for battery if any + TPMS app to ext (#2129)

* batt initial
* batt widgets
* settings modify
* batt info screen
* ability to hide icon
* battView
* redo tmps
* hide curr + charge if no data
* fix flashing

firmware/common/battery.cpp

@@ -0,0 +1,111 @@
+#include "battery.hpp"
+#include "event_m0.hpp"
+#include "portapack.hpp"
+#include "ads1110.hpp"
+
+// uncomment if you want to emulate batt management system
+// #define USE_BATT_EMULATOR
+
+extern I2C portapack::i2c0;
+
+namespace battery {
+
+constexpr uint32_t BATTERY_UPDATE_INTERVAL = 30000;
+BatteryManagement::BatteryModules BatteryManagement::detected_ = BatteryManagement::BATT_NONE;
+
+ads1110::ADS1110 battery_ads1110{portapack::i2c0, 0x48};
+
+Thread* BatteryManagement::thread = nullptr;
+
+void BatteryManagement::init() {
+    // try to detect supported modules
+    detected_ = BATT_NONE;
+    if (battery_ads1110.detect()) {
+        battery_ads1110.init();
+        detected_ = BATT_ADS1110;
+    }
+
+    // add new supported module detect + init here
+
+#ifdef USE_BATT_EMULATOR
+    if (detected_ == BATT_NONE) {
+        detected_ = BATT_EMULATOR;
+    }
+#endif
+
+    if (detected_ != BATT_NONE) {
+        // sets timer to query and broadcats this info
+        create_thread();
+    }
+}
+
+// sets the values, it the currend module supports it.
+bool BatteryManagement::getBatteryInfo(uint8_t& batteryPercentage, uint16_t& voltage, int32_t& current, bool& isCharging) {
+    if (detected_ == BATT_NONE) return false;
+    if (detected_ == BATT_ADS1110) {
+        battery_ads1110.getBatteryInfo(batteryPercentage, voltage);
+        return true;
+    }
+    // add new module query here
+
+#ifdef USE_BATT_EMULATOR
+    if (detected_ == BATT_EMULATOR) {
+        batteryPercentage += 5;  // %
+        if (batteryPercentage > 100) batteryPercentage = 0;
+        voltage = rand() % 1000 + 3000;  // mV
+        current = rand() % 150;          // mA
+        isCharging = rand() % 2;
+        return true;
+    }
+#endif
+
+    (void)isCharging;  // keep the compiler calm
+    (void)current;
+    return false;
+}
+
+uint8_t BatteryManagement::getPercent() {
+    if (detected_ == BATT_NONE) return 102;
+    uint8_t batteryPercentage = 0;
+    bool isCharging = false;
+    uint16_t voltage = 0;
+    int32_t current = 0;
+    getBatteryInfo(batteryPercentage, voltage, current, isCharging);
+    return batteryPercentage;
+}
+
+uint16_t BatteryManagement::getVoltage() {
+    if (detected_ == BATT_NONE) return 0;
+    if (detected_ == BATT_NONE) return 102;
+    uint8_t batteryPercentage = 0;
+    bool isCharging = false;
+    uint16_t voltage = 0;
+    int32_t current = 0;
+    getBatteryInfo(batteryPercentage, voltage, current, isCharging);
+    return voltage;
+}
+
+msg_t BatteryManagement::timer_fn(void* arg) {
+    (void)arg;
+    if (!detected_) return 0;
+    uint8_t batteryPercentage = 102;
+    bool isCharging = false;
+    uint16_t voltage = 0;
+    int32_t current = 0;
+    chThdSleepMilliseconds(1000);  // wait ui for fully load
+    while (1) {
+        if (BatteryManagement::getBatteryInfo(batteryPercentage, voltage, current, isCharging)) {
+            // send local message
+            BatteryStateMessage msg{batteryPercentage, isCharging, voltage};
+            EventDispatcher::send_message(msg);
+        }
+        chThdSleepMilliseconds(BATTERY_UPDATE_INTERVAL);
+    }
+    return 0;
+}
+
+void BatteryManagement::create_thread() {
+    thread = chThdCreateFromHeap(NULL, 512, NORMALPRIO, BatteryManagement::timer_fn, nullptr);
+}
+
+}  // namespace battery