Measure and log battery voltage from SystemTask

This commit is contained in:
JF 2019-12-27 15:11:21 +01:00
parent 75e74904e8
commit b5b3c4270b
3 changed files with 64 additions and 3 deletions

View file

@ -122,6 +122,7 @@ macro(nRF5x_setup)
"${NRF5_SDK_PATH}/modules/nrfx/drivers/src/nrfx_clock.c"
"${NRF5_SDK_PATH}/modules/nrfx/drivers/src/nrfx_gpiote.c"
"${NRF5_SDK_PATH}/modules/nrfx/soc/nrfx_atomic.c"
"${NRF5_SDK_PATH}/modules/nrfx/drivers/src/nrfx_saadc.c"
)
# freertos SRC

View file

@ -10,6 +10,8 @@
#include <softdevice/common/nrf_sdh_freertos.h>
#include <hal/nrf_rtc.h>
#include <timers.h>
#include <libraries/log/nrf_log.h>
#include <drivers/include/nrfx_saadc.h>
#include "BLE/BleManager.h"
@ -36,8 +38,6 @@ extern "C" {
}
}
void nrfx_gpiote_evt_handler(nrfx_gpiote_pin_t pin, nrf_gpiote_polarity_t action) {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xTimerStartFromISR(debounceTimer, &xHigherPriorityTaskWoken);
@ -56,6 +56,11 @@ void DebounceTimerCallback(TimerHandle_t xTimer) {
}
}
void nrfx_saadc_event_handler(nrfx_saadc_evt_t const * p_event) {
}
void SystemTask(void *) {
APP_GPIOTE_INIT(2);
bool erase_bonds=false;
@ -77,6 +82,61 @@ void SystemTask(void *) {
nrfx_gpiote_in_init(13, &pinConfig, nrfx_gpiote_evt_handler);
nrf_gpio_cfg_input(12, (nrf_gpio_pin_pull_t)GPIO_PIN_CNF_PULL_Pullup);
nrf_gpio_cfg_input(19, (nrf_gpio_pin_pull_t)GPIO_PIN_CNF_PULL_Pullup);
nrf_gpio_cfg_output(27);
nrf_gpio_pin_set(27);
nrfx_saadc_config_t adcConfig = NRFX_SAADC_DEFAULT_CONFIG;
nrfx_saadc_init(&adcConfig, nrfx_saadc_event_handler);
nrfx_err_t nrfx_saadc_calibrate_offset(void);
vTaskDelay(1000);
nrf_saadc_channel_config_t adcChannelConfig = {
.resistor_p = NRF_SAADC_RESISTOR_DISABLED,
.resistor_n = NRF_SAADC_RESISTOR_DISABLED,
.gain = NRF_SAADC_GAIN1_5,
.reference = NRF_SAADC_REFERENCE_INTERNAL,
.acq_time = NRF_SAADC_ACQTIME_3US,
.mode = NRF_SAADC_MODE_SINGLE_ENDED,
.burst = NRF_SAADC_BURST_DISABLED,
.pin_p = (nrf_saadc_input_t)(SAADC_CH_PSELP_PSELP_AnalogInput7),
.pin_n = NRF_SAADC_INPUT_DISABLED
};
nrfx_saadc_channel_init(0, &adcChannelConfig);
nrf_saadc_value_t value = 0;
nrfx_saadc_sample_convert(0, &value);
while(true) {
bool charge = nrf_gpio_pin_read(12);
bool power = nrf_gpio_pin_read(19);
if(!charge) {
NRF_LOG_INFO("CHARGE ON");
} else {
NRF_LOG_INFO("CHARGE OFF");
}
if(!power) {
NRF_LOG_INFO("POWER ON");
} else {
NRF_LOG_INFO("POWER OFF");
}
nrf_saadc_value_t value = 0;
nrfx_saadc_sample_convert(0, &value);
float v = (value * 2.0f) / (1024/3.0f);
float percent = ((v - 3.55)*100)*3.9;
NRF_LOG_INFO(NRF_LOG_FLOAT_MARKER "v - " NRF_LOG_FLOAT_MARKER "%%", NRF_LOG_FLOAT(v), NRF_LOG_FLOAT(percent));
nrf_gpio_pin_toggle(27);
vTaskDelay(1000);
}
vTaskSuspend(nullptr);
}

View file

@ -6309,7 +6309,7 @@
// <e> SAADC_ENABLED - nrf_drv_saadc - SAADC peripheral driver - legacy layer
//==========================================================
#ifndef SAADC_ENABLED
#define SAADC_ENABLED 0
#define SAADC_ENABLED 1
#endif
// <o> SAADC_CONFIG_RESOLUTION - Resolution