实现NST1002 传感器读取温度

fw-AC63_BT_SDK/apps/spp_and_le/app_temperature.c

@@ -39,7 +39,7 @@ void ble_send_data(u8 *sdata,u8 len)
 {
     //先查明当前连接的conn_handle
     u16 connection_handle = ble_comm_dev_get_handle(0, GATT_ROLE_SERVER);
-    printf("connection_handle: %04x\n", connection_handle);
+    //printf("connection_handle: %04x\n", connection_handle);
     if(connection_handle == 0)//无连接
     {
         return;
@@ -54,7 +54,16 @@ void ble_send_data(u8 *sdata,u8 len)
 }
 
 void ble_receive_callback(u8* data,u16 len){
-    printf("ble_receive_callback: %s\n", data);
+    printf("ble_receive_callback (rx:%d): %s\n",len, data);
+    if(strstr(data,"AT+GETTEMP=?") != NULL){
+        printf("111\n");
+        int detect_temp = 365;
+        u8 str_get_temp[24] = {0};
+        sprintf(str_get_temp,"AT+GETTEMP=%d",detect_temp);
+        ble_send_data(&str_get_temp,strlen(str_get_temp));
+    }else{
+        printf("222\n");
+    }
 }
 
 
@@ -200,21 +209,30 @@ static uint8_t reversal(uint8_t data)
      delay_ms(15);
      //--------------send start convert -----------------------------
      gpio_direction_output(DQ_PIN, 0);//pin_write(DQ_PIN, PIN_LOW); // DQ low
-
-     delay_us(300);
+     //printf("send start convert out 0\r\n");
+     delay_ms(5);
      gpio_direction_output(DQ_PIN, 1);//pin_write(DQ_PIN, PIN_HIGH);
-     delay_us(10);
+     //printf("send start convert out 1\r\n");
+     udelay(20);
      //-----------------check DQ pin status  should be high---------------------------------------
-     gpio_set_direction(DQ_PIN,1);//pin_mode(DQ_PIN, PIN_MODE_INPUT);
-     delay_us(100);
+
+     gpio_set_direction(DQ_PIN,1);
+     gpio_set_die(DQ_PIN,1);
+     //gpio_set_direction(DQ_PIN,1);//pin_mode(DQ_PIN, PIN_MODE_INPUT);
+     //gpio_set_pull_up(DQ_PIN, 1);
+     //printf("check DQ pin status  should be high cur dq:%d:\r\n" ,pin_read(DQ_PIN));
+     //delay_ms(30);
      if (pin_read(DQ_PIN) == 0)
      {
-         *pcal = (uint16_t)(ERR_NC * 128);
+        printf("check DQ pin == 0 should be high!!\r\n");
+        *pcal = (uint16_t)(ERR_NC * 128);
 
          return -1;
      }
-     delay_ms(20);
+     //printf("check DQ pin status  pin_read(DQ_PIN) == 1 \r\n");
+     //delay_ms(20);
      //--------------wait for done pulse---------------
+     printf("wait for done pulse ... \r\n");
      do
      {
          bit0 = pin_read(DQ_PIN);
@@ -223,22 +241,25 @@ static uint8_t reversal(uint8_t data)
          if (retry > 20000) // time out 40ms
          {
              *pcal = (uint16_t)(ERR_DONE * 128);
+             printf("wait for done pulse fail \r\n");
              return -2;
          }
      } while (bit0);
+     printf("wait for done pulse succ \r\n");
      delay_us(10);
      //--------------read 24bit data---------------
      gpio_set_direction(DQ_PIN,0);
      gpio_direction_output(DQ_PIN, 1);//pin_write(DQ_PIN, PIN_HIGH);
      //pin_mode(DQ_PIN, PIN_MODE_OUTPUT_OD);
-     delay_us(200);
+     //delay_us(200);
      for (i = 0; i < 24; i++)
      {
         gpio_direction_output(DQ_PIN, 0);//pin_write(DQ_PIN, PIN_LOW); // Falling edge
         delay_us(1);// Adjust according to the mcu clock cycle,It's not necessary
 
         gpio_set_direction(DQ_PIN,1);//pin_mode(DQ_PIN, PIN_MODE_INPUT);
-
+        gpio_set_die(DQ_PIN,1);
+        //gpio_set_pull_up(DQ_PIN, 1);
          // If the output bit is 0, the DQ will remain low for about 14us
          for (j = 0; j < 4; j++)
              // It's not necessary to read it 4 timers , adjust according to the mcuclock cycle
@@ -277,11 +298,16 @@ static uint8_t reversal(uint8_t data)
      }
  }
  char err_code[4][20] = {"NOT Connected", "No DONE signal", "DAT Recv Err", "CRC Err"};
- void read_temp(void)
+ void nst1002_read_temperatura(void)
  {
      int err, ei;
-     double dtmp;
+     float dtmp;
      int16_t cal;
+
+    // NTC VDD
+    gpio_set_direction(IO_PORTB_05,0);
+    gpio_direction_output(IO_PORTB_05, 1);
+
      err = nst1002_read_cal((uint16_t *)&cal);
      if (err < 0)
      {
@@ -290,15 +316,19 @@ static uint8_t reversal(uint8_t data)
          printf("NST1002 err %s\r\n", err_code[ei]);
          return;
      }
-     dtmp = cal / 128.0;
-     printf("Temp %3.7f\r\n", dtmp);
+
+     //printf("cal %d\r\n", cal);
+     dtmp = cal / 128.0f;
+     int temp_value = dtmp*100;
+     //printf("Temp %3.7f\r\n", dtmp);
+
+     printf("Temp: %d\r\n\r\n", temp_value);
+     gpio_direction_output(IO_PORTB_05, 0);
  }
 void temperature_detect(void)
 {
-    u8 str_data [24] ={0};
-    sprintf(str_data,"%s","hello");
-    ble_send_data(&str_data,5);
-    read_temp();
+    nst1002_read_temperatura();
+   
 }
 #endif
 
@@ -336,11 +366,26 @@ void temperature_init(void)
     printf("vbat_trim:%d...vbg_trim:%d", get_vbat_trim(), get_vbg_trim());
     // 添加以上代码，看打印值，如果为15跟63，那就要用烧录器先烧录一遍。
 
-    // NTC VDD
-    gpio_direction_output(IO_PORTB_05, 1);
     
     sys_s_hi_timer_add(NULL, temperature_blink_led, 200);
-    sys_s_hi_timer_add(NULL, temperature_detect, 1000);
+    //sys_s_hi_timer_add(NULL, temperature_detect, 2000);
+
+    sys_timer_add(NULL, temperature_detect, 200);
+
+    
+    // NTC VDD
+    gpio_set_direction(IO_PORTB_05,0);
+    gpio_direction_output(IO_PORTB_05, 1);
+    /*
+    delay_ms(100);
+    gpio_set_direction(IO_PORTB_04,1);
+    gpio_set_die(IO_PORTB_04,1);
+    delay_ms(100);
+    printf("check DQ pin status  cur dq:%d:\r\n" ,pin_read(IO_PORTB_04));
+    gpio_set_pull_up(IO_PORTB_04, 1);
+    delay_ms(100);
+    printf("check DQ pin status  cur dq:%d:\r\n" ,pin_read(IO_PORTB_04));
+    */
 }
 
 void temperature_deinit(void)

fw-AC63_BT_SDK/cpu/bd19/adc_api.c

@@ -467,6 +467,7 @@ void _adc_init(u32 sys_lvd_en)
 
     //helloyifa
     //以下初始化代码添加到void adc_init()里
+    #if 0
     #define CH_SAMPLE_FREQ    1000 //ms
     u32 gpio = IO_PORTB_04;//指定IO，要和ADC通道对应上
     gpio_set_pull_down(gpio, 0);//看需求是否需要开内部下拉，会有20%的误差，不同芯片理论电阻值不一样，看规格书说明
@@ -490,7 +491,7 @@ void _adc_init(u32 sys_lvd_en)
     adc_add_sample_ch(ch_adc_power);//添加检测通道
     
     //adc_set_sample_freq(ch, CH_SAMPLE_FREQ);//设置固定的采样频率，一般不设置，就是最高的轮询时间
-
+    #endif
 
     request_irq(IRQ_SARADC_IDX, 0, adc_isr, 0);