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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Philipp Ebensberger
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "fsl_gpio.h"
#include "fsl_iomuxc.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "led.h"
#if NUM_LEDS
const machine_led_obj_t machine_led_obj[NUM_LEDS] = {
{
.base = {&machine_led_type},
.led_id = 1U,
.led_pin = &MICROPY_HW_LED1_PIN,
}
};
void led_init(void) {
// Turn off LEDs and initialize
for (mp_int_t led = 0; led < NUM_LEDS; led++) {
const pin_obj_t *led_pin = machine_led_obj[led].led_pin;
gpio_pin_config_t pin_config = {
.outputLogic = 1U,
.direction = kGPIO_DigitalOutput,
.interruptMode = kGPIO_NoIntmode,
};
GPIO_PinInit(led_pin->gpio, led_pin->pin, &pin_config);
// ALT mode for GPIO is always 5
IOMUXC_SetPinMux(led_pin->muxRegister, 5U, 0, 0, led_pin->configRegister,
1U); // Software Input On Field: Input Path is determined by functionality
IOMUXC_SetPinConfig(led_pin->muxRegister, 5U, 0, 0, led_pin->configRegister, 0x10B0U);
MICROPY_HW_LED_OFF(led_pin);
}
}
void led_state(machine_led_t led, int state) {
if (led < 1 || led > NUM_LEDS) {
return;
}
const pin_obj_t *led_pin = machine_led_obj[led - 1].led_pin;
if (state == 0) {
// turn LED off
MICROPY_HW_LED_OFF(led_pin);
} else {
// turn LED on
MICROPY_HW_LED_ON(led_pin);
}
}
void led_toggle(machine_led_t led) {
if (led < 1 || led > NUM_LEDS) {
return;
}
const pin_obj_t *led_pin = machine_led_obj[led - 1].led_pin;
mp_hal_pin_toggle(led_pin);
}
void led_debug(int value, int delay) {
for (mp_int_t i = 0; i < NUM_LEDS; i++) {
led_state(i + 1, (value & (1 << i)));
}
mp_hal_delay_ms(delay);
}
#else
void led_init(void) {
}
#endif
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