105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2020 Philipp Ebensberger
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "fsl_gpio.h"
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#include "fsl_iomuxc.h"
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "led.h"
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#if defined(MICROPY_HW_LED1_PIN)
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const machine_led_obj_t machine_led_obj[] = {
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{ .base = {&machine_led_type}, .led_id = 1U, .led_pin = &MICROPY_HW_LED1_PIN, },
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#if defined(MICROPY_HW_LED2_PIN)
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{ .base = {&machine_led_type}, .led_id = 2U, .led_pin = &MICROPY_HW_LED2_PIN, },
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#if defined(MICROPY_HW_LED3_PIN)
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{ .base = {&machine_led_type}, .led_id = 3U, .led_pin = &MICROPY_HW_LED3_PIN, },
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#if defined(MICROPY_HW_LED4_PIN)
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{ .base = {&machine_led_type}, .led_id = 4U, .led_pin = &MICROPY_HW_LED4_PIN, },
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#endif
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#endif
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#endif
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};
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#define NUM_LEDS MP_ARRAY_SIZE(machine_led_obj)
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void led_init(void) {
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// Turn off LEDs and initialize
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for (mp_int_t led = 0; led < NUM_LEDS; led++) {
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const machine_pin_obj_t *led_pin = machine_led_obj[led].led_pin;
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gpio_pin_config_t pin_config = {
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.outputLogic = 1U,
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.direction = kGPIO_DigitalOutput,
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.interruptMode = kGPIO_NoIntmode,
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};
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GPIO_PinInit(led_pin->gpio, led_pin->pin, &pin_config);
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// ALT mode for GPIO is always 5
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IOMUXC_SetPinMux(led_pin->muxRegister, 5U, 0, 0, led_pin->configRegister,
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1U); // Software Input On Field: Input Path is determined by functionality
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IOMUXC_SetPinConfig(led_pin->muxRegister, 5U, 0, 0, led_pin->configRegister, 0x10B0U);
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MICROPY_HW_LED_OFF(led_pin);
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}
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}
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void led_state(machine_led_t led, int state) {
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if (led < 1 || led > NUM_LEDS) {
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return;
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}
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const machine_pin_obj_t *led_pin = machine_led_obj[led - 1].led_pin;
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if (state == 0) {
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// turn LED off
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MICROPY_HW_LED_OFF(led_pin);
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} else {
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// turn LED on
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MICROPY_HW_LED_ON(led_pin);
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}
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}
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void led_toggle(machine_led_t led) {
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if (led < 1 || led > NUM_LEDS) {
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return;
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}
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const machine_pin_obj_t *led_pin = machine_led_obj[led - 1].led_pin;
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mp_hal_pin_toggle(led_pin);
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}
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void led_debug(int value, int delay) {
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for (mp_int_t i = 0; i < NUM_LEDS; i++) {
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led_state(i + 1, (value & (1 << i)));
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}
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mp_hal_delay_ms(delay);
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}
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#endif
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