text: /*
   * This file is part of the MicroPython ESP32 project, https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo
   *
   * Development of the code in this file was sponsored by Microbric Pty Ltd
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2013-2015 Damien P. George
   * Copyright (c) 2016 Paul Sokolovsky
   * Copyright (c) 2018 LoBo (https://github.com/loboris)
   *
   * 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_ESP32_MODMACHINE_H
  #define MICROPY_INCLUDED_ESP32_MODMACHINE_H
  
  #include "sdkconfig.h"
  #include "nvs_flash.h"
  #include "nvs.h"
  #include "py/obj.h"
  #include "driver/rtc_io.h"
  
  #define MPY_MIN_STACK_SIZE	(6*1024)
  #define EXT1_WAKEUP_ALL_HIGH	2           //!< Wake the chip when all selected GPIOs go high
  #define EXT1_WAKEUP_MAX_PINS	4
  #define ADC_TIMER_NUM			3	        // Timer used in ADC module
  #define ADC_TIMER_DIVIDER       8           // 0.1 us per tick, 10 MHz
  #define ADC_TIMER_FREQ          10000000.0  //Timer frequency
  
  typedef struct {
      int8_t		ext1_pins[EXT1_WAKEUP_MAX_PINS];
      uint8_t		ext1_rtcpins[EXT1_WAKEUP_MAX_PINS];
      uint8_t		ext1_level;
      int8_t		ext0_pin;
      int8_t		ext0_rtcpin;
      uint8_t		ext0_level;
      size_t		ext0_count;
      uint64_t	ext0_last_time;
      uint8_t		wake_on_touch;
      size_t		pulse_count;
      uint32_t	deepsleep_time;
      uint32_t	deepsleep_interval;
      uint64_t	stub_wait;
      uint64_t	wakeup_delay_ticks;
      uint64_t	wakeup_delay_ticks_last;
      int8_t		stub_outpin;
      uint8_t		stub_outpin_level;
  } machine_rtc_config_t;
  
  typedef struct _machine_pin_obj_t {
      mp_obj_base_t base;
      gpio_num_t id;
      uint8_t mode;
      uint8_t pull;
      uint8_t irq_type;
      int8_t irq_retvalue;
      uint8_t irq_any_level;
      int32_t irq_debounce;
      int32_t irq_active_time;
      mp_obj_t irq_handler;
  } machine_pin_obj_t;
  
  typedef struct _machine_timer_obj_t {
      mp_obj_base_t base;
      uint8_t id;
      uint8_t state;
      uint8_t type;
      int8_t debug_pin;
      int8_t debug_pin_mode;
      mp_uint_t repeat;
      mp_uint_t period;
      uint64_t event_num;
      uint64_t cb_num;
      mp_obj_t callback;
      intr_handle_t handle;
      uint64_t counter;
      uint64_t alarm;
  } machine_timer_obj_t;
  
  extern bool mpy_use_spiram;
  extern int MPY_DEFAULT_STACK_SIZE;
  extern int MPY_MAX_STACK_SIZE;
  extern int MPY_DEFAULT_HEAP_SIZE;
  extern int MPY_MIN_HEAP_SIZE;
  extern int MPY_MAX_HEAP_SIZE;
  extern int hdr_maxlen;
  extern int body_maxlen;
  extern int ssh2_hdr_maxlen;
  extern int ssh2_body_maxlen;
  
  extern machine_rtc_config_t machine_rtc_config;
  extern machine_timer_obj_t * mpy_timers_used[4];
  extern bool adc_timer_active;
  extern bool i2s_driver_installed;
  
  extern const mp_obj_type_t machine_timer_type;
  extern const mp_obj_type_t machine_pin_type;
  extern const mp_obj_type_t machine_touchpad_type;
  extern const mp_obj_type_t machine_adc_type;
  extern const mp_obj_type_t machine_dac_type;
  extern const mp_obj_type_t machine_pwm_type;
  extern const mp_obj_type_t machine_hw_spi_type;
  extern const mp_obj_type_t machine_hw_i2c_type;
  extern const mp_obj_type_t machine_uart_type;
  extern const mp_obj_type_t machine_neopixel_type;
  extern const mp_obj_type_t machine_dht_type;
  extern const mp_obj_type_t machine_onewire_type;
  extern const mp_obj_type_t machine_ds18x20_type;
  #ifdef CONFIG_MICROPY_USE_RFCOMM
  extern const mp_obj_type_t machine_rfcomm_type;
  #endif
  #ifdef CONFIG_MICROPY_USE_GPS
  extern const mp_obj_type_t machine_gps_type;
  #endif
  extern nvs_handle mpy_nvs_handle;
  extern int mpy_heap_size;
  
  void machine_pins_init(void);
  void machine_pins_deinit(void);
  void prepareSleepReset(uint8_t hrst, char *msg);
  int machine_pin_get_gpio(mp_obj_t pin_in);
  uint64_t random_at_most(uint32_t max);
  
  #endif // MICROPY_INCLUDED_ESP32_MODMACHINE_H
  