zephyr/modules/canopennode/canopen_leds.c

103 lines
2.2 KiB
C

/*
* Copyright (c) 2019 Vestas Wind Systems A/S
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <CANopen.h>
#include <canopennode.h>
struct canopen_leds_state {
CO_NMT_t *nmt;
canopen_led_callback_t green_cb;
void *green_arg;
canopen_led_callback_t red_cb;
void *red_arg;
bool green : 1;
bool red : 1;
bool program_download : 1;
};
static struct canopen_leds_state canopen_leds;
static void canopen_leds_update(struct k_timer *timer_id)
{
bool green = false;
bool red = false;
ARG_UNUSED(timer_id);
CO_NMT_blinkingProcess50ms(canopen_leds.nmt);
if (canopen_leds.program_download) {
green = LED_TRIPLE_FLASH(canopen_leds.nmt);
} else {
green = LED_GREEN_RUN(canopen_leds.nmt);
}
red = LED_RED_ERROR(canopen_leds.nmt);
#ifdef CONFIG_CANOPENNODE_LEDS_BICOLOR
if (red && canopen_leds.red_cb) {
green = false;
}
#endif
if (canopen_leds.green_cb) {
if (green != canopen_leds.green) {
canopen_leds.green_cb(green, canopen_leds.green_arg);
canopen_leds.green = green;
}
}
if (canopen_leds.red_cb) {
if (red != canopen_leds.red) {
canopen_leds.red_cb(red, canopen_leds.red_arg);
canopen_leds.red = red;
}
}
}
K_TIMER_DEFINE(canopen_leds_timer, canopen_leds_update, NULL);
void canopen_leds_init(CO_NMT_t *nmt,
canopen_led_callback_t green_cb, void *green_arg,
canopen_led_callback_t red_cb, void *red_arg)
{
k_timer_stop(&canopen_leds_timer);
canopen_leds.nmt = nmt;
/* Call existing callbacks to turn off LEDs */
if (canopen_leds.green_cb) {
canopen_leds.green_cb(false, canopen_leds.green_arg);
}
if (canopen_leds.red_cb) {
canopen_leds.red_cb(false, canopen_leds.red_arg);
}
canopen_leds.green_cb = green_cb;
canopen_leds.green_arg = green_arg;
canopen_leds.green = false;
canopen_leds.red_cb = red_cb;
canopen_leds.red_arg = red_arg;
canopen_leds.red = false;
/* Call new callbacks to turn off LEDs */
if (canopen_leds.green_cb) {
canopen_leds.green_cb(false, canopen_leds.green_arg);
}
if (canopen_leds.red_cb) {
canopen_leds.red_cb(false, canopen_leds.red_arg);
}
if (nmt && (green_cb || red_cb)) {
k_timer_start(&canopen_leds_timer, K_MSEC(50), K_MSEC(50));
}
}
void canopen_leds_program_download(bool in_progress)
{
canopen_leds.program_download = in_progress;
}