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Configures LED

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This commit is contained in:
rbaron 2022-11-14 22:22:08 +01:00
parent c15120178f
commit ffeca36c27
5 changed files with 67 additions and 14 deletions
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4
code/nrf-connect/CMakeLists.txt
View file

@ -4,6 +4,4 @@ find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
project(b_parasite)
# set(BOARD_ROOT .)
target_sources(app PRIVATE src/main.c src/prst/shtc3.c src/prst/adc.c)
target_sources(app PRIVATE src/main.c src/prst/shtc3.c src/prst/adc.c src/prst/led.c)

13
code/nrf-connect/boards/arm/bparasite_nrf52840/bparasite_nrf52840.dts
View file

@ -7,11 +7,6 @@
compatible = "rbaron,bparasite_nrf52840";
chosen {
// zephyr,console = &uart0;
// zephyr,shell-uart = &uart0;
// zephyr,uart-mcumgr = &uart0;
// zephyr,bt-mon-uart = &uart0;
// zephyr,bt-c2h-uart = &uart0;
zephyr,sram = &sram0;
zephyr,flash = &flash0;
zephyr,code-partition = &slot0_partition;
@ -21,6 +16,14 @@
io-channels = <&adc 0>, <&adc 1>, <&adc 2>;
};
leds {
compatible = "gpio-leds";
led0: led_0 {
// P0.28.
gpios = <&gpio0 28 GPIO_ACTIVE_HIGH>;
};
};
soil_pwm: soil_pwm {
compatible = "pwm-fixed";
pwms = <&pwm0 0 PWM_MSEC(100) PWM_POLARITY_INVERTED>;

14
code/nrf-connect/src/main.c
View file

@ -2,15 +2,15 @@
#include <zephyr/zephyr.h>
#include "prst/adc.h"
#include "prst/led.h"
#include "prst/macros.h"
#include "prst/shtc3.h"
LOG_MODULE_REGISTER(main, LOG_LEVEL_DBG);
int main(void) {
if (prst_adc_init() != 0) {
LOG_ERR("Error initializing ADC.");
}
RET_IF_ERR(prst_adc_init());
RET_IF_ERR(prst_led_init());
prst_adc_read_t batt;
prst_adc_soil_moisture_t soil;
@ -20,11 +20,13 @@ int main(void) {
RET_IF_ERR(prst_adc_soil_read(batt.voltage, &soil));
RET_IF_ERR(prst_adc_photo_read(batt.voltage, &photo));
// LOG_INF("Batt: %d mV", batt.millivolts);
// LOG_INF("Soil: %.0f %% (%.3f mV)", 100 * soil.percentage,
// soil.adc_read.voltage);
LOG_INF("Batt: %d mV", batt.millivolts);
LOG_INF("Soil: %.0f %% (%.3f mV)", 100 * soil.percentage,
soil.adc_read.voltage);
LOG_INF("Photo: %u lx (%.3f mV)", photo.brightness, soil.adc_read.voltage);
prst_led_flash(3);
k_msleep(500);
}
}

17
code/nrf-connect/src/prst/led.c Normal file
View file

@ -0,0 +1,17 @@
#include "led.h"
#include <drivers/gpio.h>
#include "macros.h"
LOG_MODULE_REGISTER(led, LOG_LEVEL_DBG);
struct gpio_dt_spec led = GPIO_DT_SPEC_GET(DT_NODELABEL(led0), gpios);
int prst_led_init() {
if (!device_is_ready(led.port)) {
LOG_ERR("DEV NOT READY");
return -1;
}
return gpio_pin_configure_dt(&led, GPIO_OUTPUT);
}

33
code/nrf-connect/src/prst/led.h Normal file
View file

@ -0,0 +1,33 @@
#ifndef _PRST_LED_H_
#define _PRST_LED_H_
#include <drivers/gpio.h>
#include <logging/log.h>
#include "macros.h"
#define PRST_LED_FLASH_PERIOD_MS 400
extern struct gpio_dt_spec led;
int prst_led_init();
static inline int prst_led_on() {
return gpio_pin_set_dt(&led, 1);
}
static inline int prst_led_off() {
return gpio_pin_set_dt(&led, 0);
}
static inline int prst_led_flash(int times) {
LOG_MODULE_DECLARE(led, LOG_LEVEL_DBG);
RET_IF_ERR(prst_led_off());
for (int i = 0; i < 2 * times; i++) {
RET_IF_ERR(gpio_pin_toggle_dt(&led));
k_msleep(PRST_LED_FLASH_PERIOD_MS / 2);
}
return 0;
}
#endif // _PRST_LED_H_