Files
pico-keys-sdk/src/led/led.c
Pol Henarejos 2e2b78445c Load led driver depending on PHY.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2025-09-01 21:27:43 +02:00

139 lines
3.9 KiB
C

/*
* This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
* Copyright (c) 2022 Pol Henarejos.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include "pico_keys.h"
#ifdef PICO_PLATFORM
#include "bsp/board.h"
#elif defined(ESP_PLATFORM)
#include "esp_compat.h"
#elif defined(ENABLE_EMULATION)
#include "emulation.h"
#endif
led_driver_t *led_driver = NULL;
static uint32_t led_mode = MODE_NOT_MOUNTED;
void led_set_mode(uint32_t mode) {
led_mode = mode;
}
uint32_t led_get_mode() {
return led_mode;
}
void led_blinking_task() {
#ifndef ENABLE_EMULATION
static uint32_t start_ms = 0;
static uint32_t stop_ms = 0;
static uint32_t last_led_update_ms = 0;
static uint8_t led_state = false;
uint8_t state = led_state;
#ifdef PICO_DEFAULT_LED_PIN_INVERTED
state = !state;
#endif
uint32_t led_brightness = (led_mode & LED_BTNESS_MASK) >> LED_BTNESS_SHIFT;
uint32_t led_color = (led_mode & LED_COLOR_MASK) >> LED_COLOR_SHIFT;
uint32_t led_off = (led_mode & LED_OFF_MASK) >> LED_OFF_SHIFT;
uint32_t led_on = (led_mode & LED_ON_MASK) >> LED_ON_SHIFT;
float progress = 0;
if (stop_ms > start_ms) {
progress = (float)(board_millis() - start_ms) / (stop_ms - start_ms);
}
if (!state) {
progress = 1. - progress;
}
if (phy_data.opts & PHY_OPT_LED_STEADY) {
progress = 1;
}
// limit the frequency of LED status updates
if (board_millis() - last_led_update_ms > 2) {
led_driver->set_color(led_color, led_brightness, progress);
last_led_update_ms = board_millis();
}
if (board_millis() >= stop_ms){
start_ms = stop_ms;
led_state ^= 1; // toggle
stop_ms = start_ms + (led_state ? led_on : led_off);
}
#endif
}
void led_off_all() {
#ifndef ENABLE_EMULATION
led_driver->set_color(LED_COLOR_OFF, 0, 0);
#endif
}
extern led_driver_t led_driver_pico;
extern led_driver_t led_driver_cyw43;
extern led_driver_t led_driver_ws2812;
extern led_driver_t led_driver_neopixel;
extern led_driver_t led_driver_pimoroni;
void led_init() {
#ifndef ENABLE_EMULATION
# // Guess default driver
#ifdef PICO_DEFAULT_LED_PIN
led_driver = &led_driver_pico;
#elif defined(CYW43_WL_GPIO_LED_PIN)
led_driver = &led_driver_cyw43;
#elif defined(PICO_DEFAULT_WS2812_PIN)
led_driver = &led_driver_ws2812;
#elif defined(ESP_PLATFORM)
led_driver = &led_driver_neopixel;
#elif defined(PIMORONI_TINY2040) || defined(PIMORONI_TINY2350)
led_driver = &led_driver_pimoroni;
#endif
if (phy_data.led_driver_present) {
switch (phy_data.led_driver) {
#ifdef ESP_PLATFORM
case PHY_LED_DRIVER_NEOPIXEL:
led_driver = &led_driver_neopixel;
break;
#else
case PHY_LED_DRIVER_PICO:
led_driver = &led_driver_pico;
break;
#ifdef CYW43_WL_GPIO_LED_PIN
case PHY_LED_DRIVER_CYW43:
led_driver = &led_driver_cyw43;
break;
#endif
case PHY_LED_DRIVER_WS2812:
led_driver = &led_driver_ws2812;
break;
case PHY_LED_DRIVER_PIMORONI:
led_driver = &led_driver_pimoroni;
break;
#endif
default:
break;
}
}
led_driver->init();
led_set_mode(MODE_NOT_MOUNTED);
#endif
}