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Diffstat (limited to 'ports/esp32/mphalport.h')
| -rw-r--r-- | ports/esp32/mphalport.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/ports/esp32/mphalport.h b/ports/esp32/mphalport.h new file mode 100644 index 000000000..3215bc062 --- /dev/null +++ b/ports/esp32/mphalport.h @@ -0,0 +1,86 @@ +/* + * 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" + +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); +void mp_hal_delay_us_fast(uint32_t); +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) + +// 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 |