/**
* @brief ADC interrupt handler.
*/
void ADC_IRQHandler(void)
{
nrf_adc_conversion_event_clean();
adc_sample = nrf_adc_result_get();
// trigger next ADC conversion
nrf_adc_start();
}
/**@brief Function for handling the Battery measurement timer timeout.
*
* @details This function will be called each time the battery level measurement timer expires.
* This function will start the ADC.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void battery_level_meas_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
#ifdef NRF51
nrf_adc_start();
#else // NRF52
uint32_t err_code;
err_code = nrf_drv_saadc_sample();
APP_ERROR_CHECK(err_code);
#endif // NRF51
}
static inline void periodic_task(void)
{
g_report_req = 1;
if (++g_blink_cnt >= BLINK_PERIOD)
{
g_blink_cnt = 0;
rtc_cc_schedule(CC_BLINK, BLINK_TICKS);
nrf_adc_start();
led_on();
}
rtc_cc_schedule(CC_PERIODIC, reporting_ticks());
}
/**
* @brief ADC interrupt handler.
*/
void ADC_IRQHandler(void)
{
//nrf_adc_int_disable(ADC_INTENSET_END_Enabled << ADC_INTENSET_END_Pos);
nrf_adc_conversion_event_clean();
adc_sample = nrf_adc_result_get();
//battery_level_update();
// nrf_adc_int_enable(ADC_INTENSET_END_Enabled << ADC_INTENSET_END_Pos);
// trigger next ADC conversion
nrf_adc_start();
}
/**
* @brief Blocking function for executing single ADC conversion.
*
* This function selects desired input, starts single conversion,
* waits for its finish and returns result.
* ADC is left in STOP state, given input is selected.
* This function does not check if ADC is initialized and powered.
*
* @param[in] input is requested input to be selected
*
* @return conversion result
*/
int32_t nrf_adc_convert_single(nrf_adc_config_input_t input)
{
int32_t val;
nrf_adc_input_select(input);
nrf_adc_start();
while (!nrf_adc_conversion_finished())
{
}
nrf_adc_conversion_event_clean();
val = nrf_adc_result_get();
nrf_adc_stop();
return val;
}
nrfx_err_t nrfx_adc_sample_convert(nrfx_adc_channel_t const * const p_channel,
nrf_adc_value_t * p_value)
{
nrfx_err_t err_code;
NRFX_ASSERT(m_cb.state != NRFX_DRV_STATE_UNINITIALIZED);
if (m_cb.state == NRFX_DRV_STATE_POWERED_ON)
{
err_code = NRFX_ERROR_BUSY;
NRFX_LOG_WARNING("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
else
{
m_cb.state = NRFX_DRV_STATE_POWERED_ON;
nrf_adc_config_set(p_channel->config.data);
nrf_adc_enable();
nrf_adc_int_disable(NRF_ADC_INT_END_MASK);
nrf_adc_start();
if (p_value)
{
while (!nrf_adc_event_check(NRF_ADC_EVENT_END)) {}
nrf_adc_event_clear(NRF_ADC_EVENT_END);
*p_value = (nrf_adc_value_t)nrf_adc_result_get();
nrf_adc_disable();
m_cb.state = NRFX_DRV_STATE_INITIALIZED;
}
else
{
NRFX_ASSERT(m_cb.event_handler);
m_cb.p_buffer = NULL;
nrf_adc_int_enable(NRF_ADC_INT_END_MASK);
}
err_code = NRFX_SUCCESS;
NRFX_LOG_INFO("Function: %s, error code: %s.",
__func__,
NRFX_LOG_ERROR_STRING_GET(err_code));
return err_code;
}
}
/**
* @brief Function for main application entry.
*/
int main(void)
{
adc_config();
uart_config();
printf("\n\rADC HAL simple example\r\n");
printf("Current sample value:\r\n");
nrf_adc_start();
while (true)
{
// enter into sleep mode
__SEV();
__WFE();
__WFE();
}
}
/**@brief Function for application main entry.
*/
int main(void)
{
uint32_t err_code;
bool erase_bonds;
//uart_config();
//printf("\n\rBDC HAL simple example\r\n"); //GETS HERE, Dies after first letter!
// Initialize.
timers_init();
buttons_leds_init(&erase_bonds);
ble_stack_init();
device_manager_init(erase_bonds);
gap_params_init();
advertising_init();
services_init();
//sensor_simulator_init();
conn_params_init();
//uart_config();
//printf("\n\rBDC HAL simple example\r\n"); //GETS HERE, Dies after first letter!
//printf("Current sample value:\r\n");
adc_config();
// Start execution.
application_timers_start();
nrf_adc_start();
err_code = ble_advertising_start(BLE_ADV_MODE_FAST);
APP_ERROR_CHECK(err_code);
// Enter main loop.
for (;;)
{
power_manage();
}
}
static void temperature_timeout_handler(void * p_context)
{
// Update temperature and characteristic value.
int32_t temperature = 0; // Declare variable holding temperature value
static int32_t previous_temperature = 15; // Declare a variable to store current temperature until next measurement.
nrf_adc_start();
//full scale 1.2V is 10 bits 1024, prescaler * 3, -750 for 0 then add 25 which is 750 and 10mv per C after that.
temperature = -(25 + (((3 * ((1200 * adc_sample) / 1023)) - 750)/10));
// Check if current temperature is different from last temperature
if(temperature != previous_temperature)
{
// If new temperature then send notification
cch_termperature_characteristic_update(&m_cch_service, &temperature);
}
// Save current temperature until next measurement
previous_temperature = temperature;
}
/**
* @brief Function for main application entry.
*/
int main(void)
{
adc_config();
uart_config();
printf("\n\rADC HAL simple example\r\n");
printf("Current sample value:\r\n");
while (true)
{
// trigger next ADC conversion
nrf_adc_start();
// enter into sleep mode
__SEV();
__WFE();
__WFE();
nrf_delay_ms(100);
printf("%d\r\n", (int)adc_sample); // out ADC result
}
}
/**@brief Function for handling the Battery measurement timer timeout.
*
* @details This function will be called each time the battery level measurement timer expires.
* This function will start the ADC.
*
* @param[in] p_context Pointer used for passing some arbitrary information (context) from the
* app_start_timer() call to the timeout handler.
*/
static void battery_level_meas_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
nrf_adc_start();
}
static void timer_timeout_handler(void * p_context)
{
UNUSED_PARAMETER(p_context);
nrf_gpio_pin_toggle(BSP_LED_1);
nrf_adc_start();
}
void nrfx_adc_sample(void)
{
NRFX_ASSERT(m_cb.state != NRFX_DRV_STATE_UNINITIALIZED);
NRFX_ASSERT(!nrf_adc_is_busy());
nrf_adc_start();
}
void BatteryTick()
{
nrf_adc_start();
}
