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/******************************************************************************
* The MIT License
*
* Copyright (c) 2010 Perry Hung.
*
* 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.
*****************************************************************************/
/**
* @file io.h
*
* @brief Arduino-compatible digital pin I/O interface.
*/
#ifndef _IO_H
#define _IO_H
#include "gpio.h"
#include "adc.h"
#ifdef __cplusplus
extern "C"{
#endif
typedef enum WiringPinMode {
OUTPUT,
OUTPUT_OPEN_DRAIN,
INPUT,
INPUT_ANALOG,
INPUT_PULLUP,
INPUT_PULLDOWN,
INPUT_FLOATING,
PWM,
PWM_OPEN_DRAIN,
} WiringPinMode;
/* Set pin to mode
* pinMode(pin, mode):
* pin -> {0-38, D0-D39, A0-16}
* mode -> {
* INPUT/INPUT_DIGITAL
* INPUT_PULLUP
* INPUT_PULLDOWN
* INPUT_ANALOG
* OUTPUT/OUTPUT_PP
* OUTPUT_OPEN_DRAIN
* }
*/
void pinMode(uint8, uint8);
/*
* Writes VALUE to digital pin[0-38]
* digitalWrite(pin, value):
* pin -> {0-38, D0-D39, A0-16}
* value -> LOW, HIGH;
*/
void digitalWrite(uint8, uint8);
/* Read a digital value from pin, the pin mode must be set to
* {INPUT, INPUT_PULLUP, INPUT_PULLDOWN}
* digitalRead(pin)
* pin -> {0-38, D0-D39, A0-16}
*/
uint32 digitalRead(uint8);
/* Read an analog value from pin, the pin mode must be set
* to INPUT_ANALOG
* analogRead(pin)
* pin -> {A0-A16}
*/
uint32 analogRead(uint8);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
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