circuitpython/ports/samd/mphalport.h

101 lines
3.0 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019-2021 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 MICROPY_INCLUDED_SAMD_MPHALPORT_H
#define MICROPY_INCLUDED_SAMD_MPHALPORT_H
#include "py/mpconfig.h"
#include "py/ringbuf.h"
// ASF4
#include "hal_gpio.h"
extern int mp_interrupt_char;
extern ringbuf_t stdin_ringbuf;
extern volatile uint32_t systick_ms;
void mp_hal_set_interrupt_char(int c);
static inline mp_uint_t mp_hal_ticks_ms(void) {
return systick_ms;
}
static inline mp_uint_t mp_hal_ticks_us(void) {
return systick_ms * 1000;
}
static inline mp_uint_t mp_hal_ticks_cpu(void) {
return 0;
}
// C-level pin HAL
#include "py/obj.h"
#define MP_HAL_PIN_FMT "%u"
#define mp_hal_pin_obj_t uint
extern uint32_t machine_pin_open_drain_mask;
mp_hal_pin_obj_t mp_hal_get_pin_obj(mp_obj_t pin_in);
static inline unsigned int mp_hal_pin_name(mp_hal_pin_obj_t pin) {
return pin;
}
static inline void mp_hal_pin_input(mp_hal_pin_obj_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
machine_pin_open_drain_mask &= ~(1 << pin);
}
static inline void mp_hal_pin_output(mp_hal_pin_obj_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_OUT);
machine_pin_open_drain_mask &= ~(1 << pin);
}
static inline void mp_hal_pin_open_drain(mp_hal_pin_obj_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
gpio_set_pin_level(pin, 0);
machine_pin_open_drain_mask |= 1 << pin;
}
static inline int mp_hal_pin_read(mp_hal_pin_obj_t pin) {
return gpio_get_pin_level(pin);
}
static inline void mp_hal_pin_write(mp_hal_pin_obj_t pin, int v) {
gpio_set_pin_level(pin, v);
}
/*
static inline void mp_hal_pin_od_low(mp_hal_pin_obj_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_OUT);
}
static inline void mp_hal_pin_od_high(mp_hal_pin_obj_t pin) {
gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
}
*/
#endif // MICROPY_INCLUDED_SAMD_MPHALPORT_H