108 lines
3.9 KiB
C
108 lines
3.9 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "user_interface.h"
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#include "py/ringbuf.h"
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#include "lib/utils/interrupt_char.h"
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#include "xtirq.h"
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void mp_sched_keyboard_interrupt(void);
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struct _mp_print_t;
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// Structure for UART-only output via mp_printf()
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extern const struct _mp_print_t mp_debug_print;
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extern ringbuf_t stdin_ringbuf;
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// Call this after putting data to stdin_ringbuf
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void mp_hal_signal_input(void);
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// Call this when data is available in dupterm object
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void mp_hal_signal_dupterm_input(void);
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// This variable counts how many times the UART is attached to dupterm
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extern int uart_attached_to_dupterm;
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void mp_hal_init(void);
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void mp_hal_rtc_init(void);
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__attribute__((always_inline)) static inline uint32_t mp_hal_ticks_us(void) {
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return system_get_time();
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}
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__attribute__((always_inline)) static inline uint32_t mp_hal_ticks_cpu(void) {
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uint32_t ccount;
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__asm__ __volatile__ ("rsr %0,ccount" : "=a" (ccount));
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return ccount;
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}
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void mp_hal_delay_us(uint32_t);
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void mp_hal_set_interrupt_char(int c);
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uint32_t mp_hal_get_cpu_freq(void);
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#define UART_TASK_ID 0
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#define DUPTERM_TASK_ID 1
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void uart_task_init();
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void dupterm_task_init();
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void ets_event_poll(void);
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#define ETS_POLL_WHILE(cond) { while (cond) ets_event_poll(); }
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// needed for machine.I2C
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#include "osapi.h"
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#define mp_hal_delay_us_fast(us) os_delay_us(us)
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#define mp_hal_quiet_timing_enter() disable_irq()
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#define mp_hal_quiet_timing_exit(irq_state) enable_irq(irq_state)
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// C-level pin HAL
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#include "etshal.h"
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#include "gpio.h"
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#include "modmachine.h"
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#define MP_HAL_PIN_FMT "%u"
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#define mp_hal_pin_obj_t uint32_t
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#define mp_hal_get_pin_obj(o) mp_obj_get_pin(o)
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#define mp_hal_pin_name(p) (p)
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void mp_hal_pin_input(mp_hal_pin_obj_t pin);
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void mp_hal_pin_output(mp_hal_pin_obj_t pin);
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void mp_hal_pin_open_drain(mp_hal_pin_obj_t pin);
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#define mp_hal_pin_od_low(p) do { \
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if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1) | 1); } \
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else { gpio_output_set(0, 1 << (p), 1 << (p), 0); } \
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} while (0)
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#define mp_hal_pin_od_high(p) do { \
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if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); } \
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else { gpio_output_set(0, 0, 0, 1 << (p)); /* set as input to avoid glitches */ } \
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} while (0)
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// The DHT driver requires using the open-drain feature of the GPIO to get it to work reliably
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#define mp_hal_pin_od_high_dht(p) do { \
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if ((p) == 16) { WRITE_PERI_REG(RTC_GPIO_ENABLE, (READ_PERI_REG(RTC_GPIO_ENABLE) & ~1)); } \
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else { gpio_output_set(1 << (p), 0, 1 << (p), 0); } \
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} while (0)
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#define mp_hal_pin_read(p) pin_get(p)
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#define mp_hal_pin_write(p, v) pin_set((p), (v))
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void *ets_get_esf_buf_ctlblk(void);
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int ets_esf_free_bufs(int idx);
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