85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
// Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef MAIN_ESP32_HAL_GPIO_H_
|
|
#define MAIN_ESP32_HAL_GPIO_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "esp32-hal.h"
|
|
|
|
#define LOW 0x0
|
|
#define HIGH 0x1
|
|
|
|
//GPIO FUNCTIONS
|
|
#define INPUT 0x01
|
|
#define OUTPUT 0x02
|
|
#define PULLUP 0x04
|
|
#define INPUT_PULLUP 0x05
|
|
#define PULLDOWN 0x08
|
|
#define INPUT_PULLDOWN 0x09
|
|
#define OPEN_DRAIN 0x10
|
|
#define OUTPUT_OPEN_DRAIN 0x12
|
|
#define SPECIAL 0xF0
|
|
#define FUNCTION_1 0x00
|
|
#define FUNCTION_2 0x20
|
|
#define FUNCTION_3 0x40
|
|
#define FUNCTION_4 0x60
|
|
#define FUNCTION_5 0x80
|
|
#define FUNCTION_6 0xA0
|
|
#define ANALOG 0xC0
|
|
|
|
//Interrupt Modes
|
|
#define DISABLED 0x00
|
|
#define RISING 0x01
|
|
#define FALLING 0x02
|
|
#define CHANGE 0x03
|
|
#define ONLOW 0x04
|
|
#define ONHIGH 0x05
|
|
#define ONLOW_WE 0x0C
|
|
#define ONHIGH_WE 0x0D
|
|
|
|
typedef struct {
|
|
uint8_t reg; /*!< GPIO register offset from DR_REG_IO_MUX_BASE */
|
|
int8_t rtc; /*!< RTC GPIO number (-1 if not RTC GPIO pin) */
|
|
int8_t adc; /*!< ADC Channel number (-1 if not ADC pin) */
|
|
int8_t touch; /*!< Touch Channel number (-1 if not Touch pin) */
|
|
} esp32_gpioMux_t;
|
|
|
|
extern const esp32_gpioMux_t esp32_gpioMux[40];
|
|
extern const int8_t esp32_adc2gpio[20];
|
|
|
|
#define digitalPinIsValid(pin) ((pin) < 40 && esp32_gpioMux[(pin)].reg)
|
|
#define digitalPinCanOutput(pin) ((pin) < 34 && esp32_gpioMux[(pin)].reg)
|
|
#define digitalPinToRtcPin(pin) (((pin) < 40)?esp32_gpioMux[(pin)].rtc:-1)
|
|
#define digitalPinToAnalogChannel(pin) (((pin) < 40)?esp32_gpioMux[(pin)].adc:-1)
|
|
#define digitalPinToTouchChannel(pin) (((pin) < 40)?esp32_gpioMux[(pin)].touch:-1)
|
|
#define digitalPinToDacChannel(pin) (((pin) == 25)?0:((pin) == 26)?1:-1)
|
|
|
|
void pinMode(uint8_t pin, uint8_t mode);
|
|
void digitalWrite(uint8_t pin, uint8_t val);
|
|
int digitalRead(uint8_t pin);
|
|
|
|
void attachInterrupt(uint8_t pin, void (*)(void), int mode);
|
|
void attachInterruptArg(uint8_t pin, void (*)(void*), void * arg, int mode);
|
|
void detachInterrupt(uint8_t pin);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* MAIN_ESP32_HAL_GPIO_H_ */
|