Bluey Beacon set_adv_data()

Bluey Beacon set_adv_data.c

// set adv data
void set_adv_data(bool init)
{
  uint32_t      err_code;

  ble_advdata_t advdata;
  uint8_t       flags = BLE_GAP_ADV_FLAG_BR_EDR_NOT_SUPPORTED;

  ble_advdata_manuf_data_t        manuf_data; // Variable to hold manufacturer specific data
  // Initialize with easily identifiable data
  uint8_t data[]                      = {
    0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
    0xb1, 0xb2, 0xb3, 0xb4
  };

  // get sensor data
  if (!init) {
    // get T/H
    uint16_t temp_val, humid_val;
    HDC1010_get_temp_raw(&temp_val);
    data[0] = temp_val >> 8;
    data[1] = temp_val;
    HDC1010_get_humid_raw(&humid_val);
    data[2] = humid_val >> 8;
    data[3] = humid_val;
    // get ambient light value
    uint16_t adc_ch0, adc_ch1;
    APDS9301_read_adc_data(&adc_ch0, &adc_ch1);
    data[4] = adc_ch0 >> 8;
    data[5] = adc_ch0;
    data[6] = adc_ch1 >> 8;
    data[7] = adc_ch1;
  }

  manuf_data.company_identifier       = 0xFFFF;
  manuf_data.data.p_data              = data;
  manuf_data.data.size                = sizeof(data);

  // Build advertising data struct to pass into @ref ble_advertising_init.
  memset(&advdata, 0, sizeof(advdata));

  advdata.name_type               = BLE_ADVDATA_SHORT_NAME;
  advdata.short_name_len          = 5;
  advdata.flags                   = flags; //BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE;
  advdata.p_manuf_specific_data   = &manuf_data;
  // if you don't set tx power, you get 3 extra bytes for manuf data
  //int8_t tx_power                 = -4;
  //advdata.p_tx_power_level        = &tx_power;
  advdata.include_appearance      = true;

  err_code = ble_advdata_set(&advdata, 0);
  APP_ERROR_CHECK(err_code);
}