kopia lustrzana https://github.com/micropython/micropython
108 wiersze
3.9 KiB
C
108 wiersze
3.9 KiB
C
/*
|
|
* This file is part of the MicroPython 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.
|
|
*/
|
|
|
|
#include "user_interface.h"
|
|
#include "py/ringbuf.h"
|
|
#include "shared/runtime/interrupt_char.h"
|
|
#include "xtirq.h"
|
|
|
|
void mp_sched_keyboard_interrupt(void);
|
|
|
|
struct _mp_print_t;
|
|
// Structure for UART-only output via mp_printf()
|
|
extern const struct _mp_print_t mp_debug_print;
|
|
|
|
extern ringbuf_t stdin_ringbuf;
|
|
// Call this after putting data to stdin_ringbuf
|
|
void mp_hal_signal_input(void);
|
|
// Call this when data is available in dupterm object
|
|
void mp_hal_signal_dupterm_input(void);
|
|
|
|
// This variable counts how many times the UART is attached to dupterm
|
|
extern int uart_attached_to_dupterm;
|
|
|
|
void mp_hal_init(void);
|
|
void mp_hal_rtc_init(void);
|
|
|
|
__attribute__((always_inline)) static inline uint32_t mp_hal_ticks_us(void) {
|
|
return system_get_time();
|
|
}
|
|
|
|
__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_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(); }
|
|
|
|
// needed for machine.I2C
|
|
#include "osapi.h"
|
|
#define mp_hal_delay_us_fast(us) os_delay_us(us)
|
|
|
|
#define mp_hal_quiet_timing_enter() disable_irq()
|
|
#define mp_hal_quiet_timing_exit(irq_state) enable_irq(irq_state)
|
|
|
|
// C-level pin HAL
|
|
#include "etshal.h"
|
|
#include "gpio.h"
|
|
#include "modmachine.h"
|
|
#define MP_HAL_PIN_FMT "%u"
|
|
#define mp_hal_pin_obj_t uint32_t
|
|
#define mp_hal_get_pin_obj(o) mp_obj_get_pin(o)
|
|
#define mp_hal_pin_name(p) (p)
|
|
void mp_hal_pin_input(mp_hal_pin_obj_t pin);
|
|
void mp_hal_pin_output(mp_hal_pin_obj_t pin);
|
|
void mp_hal_pin_open_drain(mp_hal_pin_obj_t pin);
|
|
#define mp_hal_pin_od_low(p) do { \
|
|
if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1) | 1); } \
|
|
else { gpio_output_set(0, 1 << (p), 1 << (p), 0); } \
|
|
} while (0)
|
|
#define mp_hal_pin_od_high(p) do { \
|
|
if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); } \
|
|
else { gpio_output_set(0, 0, 0, 1 << (p)); /* set as input to avoid glitches */ } \
|
|
} while (0)
|
|
// The DHT driver requires using the open-drain feature of the GPIO to get it to work reliably
|
|
#define mp_hal_pin_od_high_dht(p) do { \
|
|
if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); } \
|
|
else { gpio_output_set(1 << (p), 0, 1 << (p), 0); } \
|
|
} while (0)
|
|
#define mp_hal_pin_read(p) pin_get(p)
|
|
#define mp_hal_pin_write(p, v) pin_set((p), (v))
|
|
|
|
void *ets_get_esf_buf_ctlblk(void);
|
|
int ets_esf_free_bufs(int idx);
|