micropython/ports/esp32/mphalport.h

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3.3 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* Development of the code in this file was sponsored by Microbric Pty Ltd
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Damien P. George
*
* 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.
*/
#ifndef INCLUDED_MPHALPORT_H
#define INCLUDED_MPHALPORT_H
#include "py/ringbuf.h"
#include "lib/utils/interrupt_char.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
extern TaskHandle_t mp_main_task_handle;
extern ringbuf_t stdin_ringbuf;
uint32_t mp_hal_ticks_us(void);
__attribute__((always_inline)) static inline uint32_t mp_hal_ticks_cpu(void) {
uint32_t ccount;
__asm__ __volatile__("rsr %0,ccount":"=a" (ccount));
return ccount;
}
void mp_hal_delay_us(uint32_t);
#define mp_hal_delay_us_fast(us) ets_delay_us(us)
void mp_hal_set_interrupt_char(int c);
uint32_t mp_hal_get_cpu_freq(void);
#define mp_hal_quiet_timing_enter() MICROPY_BEGIN_ATOMIC_SECTION()
#define mp_hal_quiet_timing_exit(irq_state) MICROPY_END_ATOMIC_SECTION(irq_state)
// Wake up the main task if it is sleeping
void mp_hal_wake_main_task_from_isr(void);
// C-level pin HAL
#include "py/obj.h"
#include "driver/gpio.h"
#define MP_HAL_PIN_FMT "%u"
#define mp_hal_pin_obj_t gpio_num_t
mp_hal_pin_obj_t machine_pin_get_id(mp_obj_t pin_in);
#define mp_hal_get_pin_obj(o) machine_pin_get_id(o)
#define mp_obj_get_pin(o) machine_pin_get_id(o) // legacy name; only to support esp8266/modonewire
#define mp_hal_pin_name(p) (p)
static inline void mp_hal_pin_input(mp_hal_pin_obj_t pin) {
gpio_pad_select_gpio(pin);
gpio_set_direction(pin, GPIO_MODE_INPUT);
}
static inline void mp_hal_pin_output(mp_hal_pin_obj_t pin) {
gpio_pad_select_gpio(pin);
gpio_set_direction(pin, GPIO_MODE_INPUT_OUTPUT);
}
static inline void mp_hal_pin_open_drain(mp_hal_pin_obj_t pin) {
gpio_pad_select_gpio(pin);
gpio_set_direction(pin, GPIO_MODE_INPUT_OUTPUT_OD);
}
static inline void mp_hal_pin_od_low(mp_hal_pin_obj_t pin) {
gpio_set_level(pin, 0);
}
static inline void mp_hal_pin_od_high(mp_hal_pin_obj_t pin) {
gpio_set_level(pin, 1);
}
static inline int mp_hal_pin_read(mp_hal_pin_obj_t pin) {
return gpio_get_level(pin);
}
static inline void mp_hal_pin_write(mp_hal_pin_obj_t pin, int v) {
gpio_set_level(pin, v);
}
#endif // INCLUDED_MPHALPORT_H