1.4.3: Low power popup & replace OledDisplay with Ssd1306Display

main/boards/common/axp2101.cc

@@ -0,0 +1,37 @@
+#include "axp2101.h"
+#include "board.h"
+#include "display.h"
+
+#include <esp_log.h>
+
+#define TAG "Axp2101"
+
+Axp2101::Axp2101(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
+}
+
+int Axp2101::GetBatteryCurrentDirection() {
+    return (ReadReg(0x01) & 0b01100000) >> 5;
+}
+
+bool Axp2101::IsCharging() {
+    return GetBatteryCurrentDirection() == 1;
+}
+
+bool Axp2101::IsDischarging() {
+    return GetBatteryCurrentDirection() == 2;
+}
+
+bool Axp2101::IsChargingDone() {
+    uint8_t value = ReadReg(0x01);
+    return (value & 0b00000111) == 0b00000100;
+}
+
+int Axp2101::GetBatteryLevel() {
+    return ReadReg(0xA4);
+}
+
+void Axp2101::PowerOff() {
+    uint8_t value = ReadReg(0x10);
+    value = value | 0x01;
+    WriteReg(0x10, value);
+}

main/boards/common/axp2101.h

@@ -0,0 +1,19 @@
+#ifndef __AXP2101_H__
+#define __AXP2101_H__
+
+#include "i2c_device.h"
+
+class Axp2101 : public I2cDevice {
+public:
+    Axp2101(i2c_master_bus_handle_t i2c_bus, uint8_t addr);
+    bool IsCharging();
+    bool IsDischarging();
+    bool IsChargingDone();
+    int GetBatteryLevel();
+    void PowerOff();
+
+private:
+    int GetBatteryCurrentDirection();
+};
+
+#endif

main/boards/common/power_save_timer.cc

@@ -31,9 +31,12 @@ void PowerSaveTimer::SetEnabled(bool enabled) {
         ticks_ = 0;
         enabled_ = enabled;
         ESP_ERROR_CHECK(esp_timer_start_periodic(power_save_timer_, 1000000));
+        ESP_LOGI(TAG, "Power save timer enabled");
     } else if (!enabled && enabled_) {
         ESP_ERROR_CHECK(esp_timer_stop(power_save_timer_));
         enabled_ = enabled;
+        WakeUp();
+        ESP_LOGI(TAG, "Power save timer disabled");
     }
 }