init proj

app/src/acid_dispenser_ble_slave_main.c

@@ -217,12 +217,20 @@ void pre_process_state(app_event_t* event, uint16_t event_size) {
   static int32_t cnt;
   if (eventType == kappevent_tmr_1s_scheduler_event) {
     ZLOGI("scheduler.....");
-    if (cnt % 5 == 0 && zble_module_is_connected()) {
+    if (cnt % 10 == 0 && zble_module_is_connected()) {
       send_report_heart(battery_mgr_get_battery_level(), zapp_get_gstate()->reset_flag, 1);
     }
 
-    if (cnt % 5 == 0) {
-      light_ctrl_trigger_once_low_power();
+    if (cnt % 30 == 0) {
+      // light_ctrl_trigger_once_low_power();
+      // ZLOGI("battery level:%d",battery_mgr_get_battery_level());
+    }
+
+    if (cnt % 30 == 0) {
+      if (battery_mgr_get_battery_level() < 30) {
+        light_ctrl_trigger_once_low_power();
+      }
+      // ZLOGI("battery level:%d",battery_mgr_get_battery_level());
     }
     cnt++;
   }

app/src/app_service/battery_mgr_service.c

@@ -1,6 +1,28 @@
 #include "battery_mgr_service.h"
+#include "board/board.h"
 
 #include "app_basic_service/zapp_core.h"
+#define BATTERY_ADC_CHANNEL       1  // 不重复即可
+#define BATTERY_ADC_PIN           NRF_SAADC_INPUT_AIN3
 
-void    battery_mgr_init() {}
-int16_t battery_mgr_get_battery_level() { return 99; }
+void battery_mgr_init() {
+  // BATADC
+  nrf_drv_saadc_config_t adccfg = NRFX_SAADC_DEFAULT_CONFIG;
+  adccfg.resolution             = NRF_SAADC_RESOLUTION_12BIT;  // 4096 等于满采样率
+  ZERROR_CHECK(nrf_drv_saadc_init(&adccfg, NULL));
+
+  nrf_saadc_channel_config_t channel_config = NRF_DRV_SAADC_DEFAULT_CHANNEL_CONFIG_SE(BATADC);
+  channel_config.acq_time                   = NRF_SAADC_ACQTIME_40US;
+  ZERROR_CHECK(nrfx_saadc_channel_init(BATTERY_ADC_CHANNEL, &channel_config));
+}
+int16_t battery_mgr_get_battery_level() {
+    
+  nrf_saadc_value_t value;
+  ret_code_t        err_code;
+  err_code = nrfx_saadc_sample_convert(BATTERY_ADC_CHANNEL, &value);
+  if (err_code != NRF_SUCCESS) {
+    ZLOGE("nrfx_saadc_sample_convert(%d) fail err_code:%d", BATTERY_ADC_CHANNEL, err_code);
+    return 0;
+  }
+  return value;
+}

app/src/board/board.h

@@ -7,10 +7,10 @@
 // P0.17	KEY2		反转按键	低有效
 // P0.05	BATADC		电量	Vadc=Vbat
 
-#define NRF_DBG_LED1 28  // Debug LED
-#define LEDR         31  // Tri-color LED High effective
-#define LEDG         30  //
-#define LEDB         29  //
-#define ADD_ACID_KEY 15  // Add Acid Key Low effective
-#define REVERSE_KEY  17  // Reverse Key Low effective
-#define BATADC       5   // Battery Voltage Vadc=Vbat
+#define NRF_DBG_LED1 28                    // Debug LED
+#define LEDR         31                    // Tri-color LED High effective
+#define LEDG         30                    //
+#define LEDB         29                    //
+#define ADD_ACID_KEY 15                    // Add Acid Key Low effective
+#define REVERSE_KEY  17                    // Reverse Key Low effective
+#define BATADC       NRF_SAADC_INPUT_AIN3  // Pin5对应的就是ADC3通道