魔盒最新版本，更新了充电检测，鸟叫，dp4对声音的控制，声音模块由于硬件问题暂未实测

apps/usr_periph/bsp_hw.c

@@ -233,13 +233,20 @@ BspHw_Ret_t bsp_hw_init(void)
 #if BOARD_CHG_ENABLE
     /* PORTG 作数字输入必须开 dieh，否则读不到 ME4054 CHG */
     gpio_disable_fun_output_port(BOARD_CHG_PIN);
-    gpio_set_pull_up(BOARD_CHG_PIN, 0);
+    /* ME4054 CHRG is open-drain/high-Z when not charging.  Keep PG8 pulled
+     * high so the digital input has a deterministic level in that state. */
+    gpio_set_pull_up(BOARD_CHG_PIN, 1);
     gpio_set_pull_down(BOARD_CHG_PIN, 0);
     gpio_set_die(BOARD_CHG_PIN, 1);
     gpio_set_dieh(BOARD_CHG_PIN, 1);
     gpio_direction_input(BOARD_CHG_PIN);
-    adc_add_sample_ch(AD_CH_LDO5V);
-    adc_set_sample_freq(AD_CH_LDO5V, 500);
+
+    gpio_disable_fun_output_port(BOARD_STDBY_PIN);
+    gpio_set_pull_up(BOARD_STDBY_PIN, 1);
+    gpio_set_pull_down(BOARD_STDBY_PIN, 0);
+    gpio_set_die(BOARD_STDBY_PIN, 1);
+    gpio_set_dieh(BOARD_STDBY_PIN, 1);
+    gpio_direction_input(BOARD_STDBY_PIN);
 #endif
 
 #if BOARD_MOTOR_ENABLE
@@ -423,6 +430,16 @@ uint8_t bsp_chg_is_low(void)
 #endif
 }
 
+/** @return 1 when TP4056 STDBY is low; otherwise 0. */
+uint8_t bsp_stby_is_low(void)
+{
+#if BOARD_CHG_ENABLE
+    return (uint8_t)(gpio_read(BOARD_STDBY_PIN) == BOARD_STDBY_FULL_LEVEL);
+#else
+    return 0;
+#endif
+}
+
 /**
  * @brief  读取电池电压
  * @return 电池电压，单位 mV