add power save timer

main/boards/kevin-box-2/axp2101.cc

@@ -1,46 +1,46 @@
 #include "axp2101.h"
+#include "board.h"
+#include "display.h"
 
 #include <esp_log.h>
 
-static const char *TAG = "AXP2101";
+static const char *TAG = "Axp2101";
 
 Axp2101::Axp2101(i2c_master_bus_handle_t i2c_bus, uint8_t addr) : I2cDevice(i2c_bus, addr) {
+    // ** EFUSE defaults **
+    WriteReg(0x22, 0b110); // PWRON > OFFLEVEL as POWEROFF Source enable
+    WriteReg(0x27, 0x10);  // hold 4s to power off
 
-    WriteReg(0x93, 0x1c); // 配置aldo2输出为3.3v
+    WriteReg(0x93, 0x1C); // 配置 aldo2 输出为 3.3V
 
-    uint8_t value = ReadReg(0x90);                 // XPOWERS_AXP2101_LDO_ONOFF_CTRL0
+    uint8_t value = ReadReg(0x90); // XPOWERS_AXP2101_LDO_ONOFF_CTRL0
     value = value | 0x02; // set bit 1 (ALDO2)
     WriteReg(0x90, value);  // and power channels now enabled
 
-    WriteReg(0x64, 0x03); // CV charger voltage setting to 42V
-    value = ReadReg(0x62);
-    ESP_LOGI(TAG, "axp2101 read 0x62 get: 0x%X", value);
+    WriteReg(0x64, 0x03); // CV charger voltage setting to 4.2V
     
     WriteReg(0x61, 0x05); // set Main battery precharge current to 125mA
-    WriteReg(0x62, 0x10); // set Main battery charger current to 900mA ( 0x08-200mA, 0x09-300mA, 0x0A-400mA )
+    WriteReg(0x62, 0x10); // set Main battery charger current to 1000mA ( 0x08-200mA, 0x09-300mA, 0x0A-400mA )
     WriteReg(0x63, 0x15); // set Main battery term charge current to 125mA
-    value = ReadReg(0x62);
-    ESP_LOGI(TAG, "axp2101 read 0x62 get: 0x%X", value);
-
-    value = ReadReg(0x18);
-    ESP_LOGI(TAG, "axp2101 read 0x18 get: 0x%X", value);
-    value = value & 0b11100000;
-    value = value | 0b00001110;
-    WriteReg(0x18, value);
-    value = ReadReg(0x18);
-    ESP_LOGI(TAG, "axp2101 read 0x18 get: 0x%X", value);
 
     WriteReg(0x14, 0x00); // set minimum system voltage to 4.1V (default 4.7V), for poor USB cables
     WriteReg(0x15, 0x00); // set input voltage limit to 3.88v, for poor USB cables
-    WriteReg(0x16, 0x05); // set input voltage limit to 3.88v, for poor USB cables
+    WriteReg(0x16, 0x05); // set input current limit to 2000mA
 
     WriteReg(0x24, 0x01); // set Vsys for PWROFF threshold to 3.2V (default - 2.6V and kill battery)
     WriteReg(0x50, 0x14); // set TS pin to EXTERNAL input (not temperature)
 }
 
+int Axp2101::GetBatteryCurrentDirection() {
+    return (ReadReg(0x01) & 0b01100000) >> 5;
+}
+
 bool Axp2101::IsCharging() {
-    uint8_t value = ReadReg(0x01);
-    return (value & 0b01100000) == 0b00100000;
+    return GetBatteryCurrentDirection() == 1;
+}
+
+bool Axp2101::IsDischarging() {
+    return GetBatteryCurrentDirection() == 2;
 }
 
 bool Axp2101::IsChargingDone() {
@@ -49,8 +49,7 @@ bool Axp2101::IsChargingDone() {
 }
 
 int Axp2101::GetBatteryLevel() {
-    uint8_t value = ReadReg(0xA4);
-    return value;
+    return ReadReg(0xA4);
 }
 
 void Axp2101::PowerOff() {

main/boards/kevin-box-2/axp2101.h

@@ -7,9 +7,13 @@ 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/kevin-box-2/kevin_box_board.cc

@@ -11,6 +11,7 @@
 #include <esp_spiffs.h>
 #include <driver/gpio.h>
 #include <driver/i2c_master.h>
+#include <esp_timer.h>
 
 static const char *TAG = "KevinBoxBoard";
 
@@ -23,6 +24,41 @@ private:
     Button volume_up_button_;
     Button volume_down_button_;
     uint8_t _data_buffer[2];
+    esp_timer_handle_t power_save_timer_ = nullptr;
+
+    void InitializePowerSaveTimer() {
+        esp_timer_create_args_t power_save_timer_args = {
+            .callback = [](void *arg) {
+                auto board = static_cast<KevinBoxBoard*>(arg);
+                board->PowerSaveCheck();
+            },
+            .arg = this,
+            .dispatch_method = ESP_TIMER_TASK,
+            .name = "Power Save Timer",
+            .skip_unhandled_events = false,
+        };
+        ESP_ERROR_CHECK(esp_timer_create(&power_save_timer_args, &power_save_timer_));
+        ESP_ERROR_CHECK(esp_timer_start_periodic(power_save_timer_, 1000000));
+    }
+
+    void PowerSaveCheck() {
+        // 电池放电模式下，如果待机超过一定时间，则自动关机
+        const int seconds_to_shutdown = 600;
+        static int seconds = 0;
+        if (Application::GetInstance().GetChatState() != kChatStateIdle) {
+            seconds = 0;
+            return;
+        }
+        if (!axp2101_->IsDischarging()) {
+            seconds = 0;
+            return;
+        }
+        
+        seconds++;
+        if (seconds >= seconds_to_shutdown) {
+            axp2101_->PowerOff();
+        }
+    }
 
     void MountStorage() {
         // Mount the storage partition
@@ -86,10 +122,6 @@ private:
             Application::GetInstance().ToggleChatState();
         });
 
-        boot_button_.OnLongPress([this]() {
-            axp2101_->PowerOff();
-        });
-
         volume_up_button_.OnClick([this]() {
             auto codec = GetAudioCodec();
             auto volume = codec->output_volume() + 10;
@@ -140,6 +172,7 @@ public:
         Enable4GModule();
 
         InitializeButtons();
+        InitializePowerSaveTimer();
 
         Ml307Board::Initialize();
     }
@@ -162,8 +195,15 @@ public:
     }
 
     virtual bool GetBatteryLevel(int &level, bool& charging) override {
+        static int last_level = 0;
+        static bool last_charging = false;
         level = axp2101_->GetBatteryLevel();
         charging = axp2101_->IsCharging();
+        if (level != last_level || charging != last_charging) {
+            last_level = level;
+            last_charging = charging;
+            ESP_LOGI(TAG, "Battery level: %d, charging: %d", level, charging);
+        }
         return true;
     }
 };