polymachine/b-parasite-esp32
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Advertises while in deep sleep.

Browse source 
Related to the investigation in #48
This commit is contained in:
rbaron 2022-08-08 19:17:40 +02:00
parent a7732f106b
commit 5cfd69479a
4 changed files with 45 additions and 24 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
code/b-parasite/config/prst_config.h
View file

@ -44,7 +44,7 @@
#define PRST_BLE_ADV_NAME "prst"
// Total time spend advertising.
#define PRST_BLE_ADV_TIME_IN_MS 1000
#define PRST_BLE_ADV_TIME_IN_S 1
// Interval between advertising packets.
// From the specs, this value has to be greater or equal 20ms.
#define PRST_BLE_ADV_INTERVAL_IN_MS 30

58
code/b-parasite/src/main.c
View file

@ -17,6 +17,13 @@
// A small wrap-around counter for deduplicating BLE packets on the receiver.
static uint8_t run_counter = 0;
typedef enum {
SLEEPING,
ADVERTISING,
} State;
static State state = SLEEPING;
static void log_init(void) {
APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
NRF_LOG_DEFAULT_BACKENDS_INIT();
@ -59,35 +66,44 @@ static void rtc_callback() {
#if PRST_BLINK_LED
nrf_gpio_pin_set(PRST_LED_PIN);
#endif
prst_shtc3_read_t temp_humi = prst_shtc3_read();
nrf_gpio_pin_set(PRST_FAST_DISCH_PIN);
prst_pwm_init();
prst_pwm_start();
prst_adc_batt_read_t batt_read = prst_adc_batt_read();
prst_adc_soil_moisture_t soil_read = prst_adc_soil_read(batt_read.voltage);
prst_pwm_stop();
nrf_gpio_pin_clear(PRST_FAST_DISCH_PIN);
uint16_t lux = 0;
if (state == SLEEPING) {
prst_shtc3_read_t temp_humi = prst_shtc3_read();
nrf_gpio_pin_set(PRST_FAST_DISCH_PIN);
prst_pwm_init();
prst_pwm_start();
prst_adc_batt_read_t batt_read = prst_adc_batt_read();
prst_adc_soil_moisture_t soil_read = prst_adc_soil_read(batt_read.voltage);
prst_pwm_stop();
nrf_gpio_pin_clear(PRST_FAST_DISCH_PIN);
uint16_t lux = 0;
#if PRST_HAS_LDR || PRST_HAS_PHOTOTRANSISTOR
nrf_gpio_pin_set(PRST_PHOTO_V_PIN);
nrf_delay_ms(50);
prst_adc_photo_sensor_t photo_read = prst_adc_photo_read(batt_read.voltage);
lux = photo_read.brightness;
nrf_gpio_pin_clear(PRST_PHOTO_V_PIN);
nrf_gpio_pin_set(PRST_PHOTO_V_PIN);
nrf_delay_ms(50);
prst_adc_photo_sensor_t photo_read = prst_adc_photo_read(batt_read.voltage);
lux = photo_read.brightness;
nrf_gpio_pin_clear(PRST_PHOTO_V_PIN);
#endif
prst_ble_update_adv_data(batt_read.millivolts, temp_humi.temp_celsius,
temp_humi.humidity, soil_read.relative, lux,
run_counter);
prst_adv_start();
nrf_delay_ms(PRST_BLE_ADV_TIME_IN_MS);
prst_adv_stop();
prst_ble_update_adv_data(batt_read.millivolts, temp_humi.temp_celsius,
temp_humi.humidity, soil_read.relative, lux,
run_counter);
state = ADVERTISING;
prst_adv_start();
prst_rtc_set_timer(PRST_BLE_ADV_TIME_IN_S);
run_counter++;
} else if (state == ADVERTISING) {
prst_adv_stop();
state = SLEEPING;
prst_rtc_set_timer(PRST_DEEP_SLEEP_IN_SECONDS);
}
#if PRST_BLINK_LED
nrf_gpio_pin_clear(PRST_LED_PIN);
#endif
NRF_LOG_FLUSH();
run_counter++;
}
int main(void) {

5
code/b-parasite/src/prst/rtc.c
View file

@ -34,13 +34,14 @@ void prst_rtc_init() {
// Disable events we're not interested in so they don't trigger interrupts.
nrf_drv_rtc_tick_disable(&rtc_);
nrf_drv_rtc_overflow_disable(&rtc_);
}
void prst_rtc_set_timer(uint16_t seconds) {
// Make sure we're counting from 0.
nrf_drv_rtc_counter_clear(&rtc_);
// Set compare channel to trigger interrupt after specified time.
err_code = nrf_drv_rtc_cc_set(&rtc_, 2, PRST_DEEP_SLEEP_IN_SECONDS * 8, true);
APP_ERROR_CHECK(err_code);
APP_ERROR_CHECK(nrf_drv_rtc_cc_set(&rtc_, 2, seconds * 8, true));
// Power on RTC instance.
nrf_drv_rtc_enable(&rtc_);

4
code/b-parasite/src/prst/rtc.h
View file

@ -1,10 +1,14 @@
#ifndef _PRST_RTC_H_
#define _PRST_RTC_H_
#include <stdint.h>
typedef void (*prst_rtc_callback_t)(void);
void prst_rtc_set_callback(prst_rtc_callback_t cb);
void prst_rtc_init();
void prst_rtc_set_timer(uint16_t seconds);
#endif // _PRST_RTC_H_