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/*
* 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 "ets_alt_task.h"
#include "xtirq.h"
#define MICROPY_BEGIN_ATOMIC_SECTION() esp_disable_irq()
#define MICROPY_END_ATOMIC_SECTION(state) esp_enable_irq(state)
// During machine.time_pulse_us, feed WDT every now and then.
#define MICROPY_PY_MACHINE_TIME_PULSE_US_HOOK(dt) \
do { \
if ((dt & 0xffff) == 0xffff && !ets_loop_dont_feed_sw_wdt) { \
system_soft_wdt_feed(); \
} \
} while (0)
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);
// 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
void uart_task_init();
uint32_t esp_disable_irq(void);
void esp_enable_irq(uint32_t state);
// 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)
static inline int mp_hal_pin_read_output(mp_hal_pin_obj_t pin) {
if (pin >= 16) {
return READ_PERI_REG(RTC_GPIO_OUT) & 1;
} else {
return (GPIO_REG_READ(GPIO_OUT_ADDRESS) >> pin) & 1;
}
}
#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);
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