micropython/esp8266/esp_mphal.h

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/*
* This file is part of the Micro Python project, http://micropython.org/
*
* 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_MPHAL_H_
#define _INCLUDED_MPHAL_H_
#include "py/ringbuf.h"
struct _mp_print_t;
// Structure for UART-only output via mp_printf()
extern const struct _mp_print_t mp_debug_print;
extern ringbuf_t input_buf;
// Call this after putting data to input_buf
void mp_hal_signal_input(void);
// Call this when data is available in dupterm object
void mp_hal_signal_dupterm_input(void);
void mp_hal_init(void);
void mp_hal_rtc_init(void);
void mp_hal_feed_watchdog(void);
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uint32_t mp_hal_ticks_us(void);
void mp_hal_delay_us(uint32_t);
void mp_hal_set_interrupt_char(int c);
uint32_t mp_hal_get_cpu_freq(void);
#define UART_TASK_ID 0
#define DUPTERM_TASK_ID 1
void uart_task_init();
void dupterm_task_init();
void ets_event_poll(void);
#define ETS_POLL_WHILE(cond) { while (cond) ets_event_poll(); }
// C-level pin HAL
#include "etshal.h"
#include "gpio.h"
#include "esp8266/modpyb.h"
#define mp_hal_pin_obj_t pyb_pin_obj_t
#define mp_hal_get_pin_obj(o) mp_obj_get_pin_obj(o)
#define mp_hal_pin_config_od(p) do { \
ETS_GPIO_INTR_DISABLE(); \
PIN_FUNC_SELECT((p)->periph, (p)->func); \
GPIO_REG_WRITE(GPIO_PIN_ADDR(GPIO_ID_PIN((p)->phys_port)), \
GPIO_REG_READ(GPIO_PIN_ADDR(GPIO_ID_PIN((p)->phys_port))) \
| GPIO_PIN_PAD_DRIVER_SET(GPIO_PAD_DRIVER_ENABLE)); /* open drain */ \
GPIO_REG_WRITE(GPIO_ENABLE_ADDRESS, \
GPIO_REG_READ(GPIO_ENABLE_ADDRESS) | (1 << (p)->phys_port)); \
ETS_GPIO_INTR_ENABLE(); \
} while (0)
#define mp_hal_pin_low(p) gpio_output_set(0, 1 << (p)->phys_port, 1 << (p)->phys_port, 0)
#define mp_hal_pin_od_high(p) gpio_output_set(1 << (p)->phys_port, 0, 1 << (p)->phys_port, 0)
#define mp_hal_pin_read(p) GPIO_INPUT_GET(GPIO_ID_PIN((p)->phys_port))
#endif // _INCLUDED_MPHAL_H_