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/* *****************************************************************************
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Created: 12/18/09 02:40:56
* Copyright (c) 2009 Perry L. Hung. All rights reserved.
*
* ****************************************************************************/
/**
* @file io.h
*
* @brief
*/
#ifndef _IO_H
#define _IO_H
#include <inttypes.h>
#include "gpio.h"
#include "adc.h"
#ifdef __cplusplus
extern "C"{
#endif
/* stash these here for now */
#define D0 0
#define D1 1
#define D2 2
#define D3 3
#define D4 4
#define D5 5
#define D6 6
#define D7 7
#define D8 8
#define D9 9
#define D10 10
#define D11 11
#define D12 12
#define D13 13
#define D14 14
#define D15 15
#define D16 16
#define D16 16
#define D17 17
#define D18 18
#define D19 19
#define D20 20
#define D21 21
#define D22 22
#define D23 23
#define D24 24
#define D25 25
#define D26 26
#define D27 27
#define D28 28
#define D29 29
#define D30 30
#define D31 31
#define D32 32
#define D33 33
#define D34 34
#define D35 35
#define D36 36
#define D37 37
#define D38 38
#define D39 39
typedef enum WiringPinMode {
OUTPUT,
OUTPUT_OPEN_DRAIN,
INPUT,
INPUT_ANALOG,
INPUT_PULLUP,
INPUT_PULLDOWN,
INPUT_FLOATING,
PWM
} WiringPinMode;
typedef struct PinMapping {
GPIO_Port *port;
uint32 pin;
uint32 adc;
TimerCCR timer_channel;
} PinMapping;
#define ADC_INVALID 0xFFFFFFFF
#define TIMER_INVALID (TimerCCR)0xFFFFFFFF
/* 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_t, uint8_t);
/*
* Writes VALUE to digital pin[0-38]
* digitalWrite(pin, value):
* pin -> {0-38, D0-D39, A0-16}
* value -> LOW, HIGH;
*/
void digitalWrite(uint8_t, uint8_t);
/* 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_t digitalRead(uint8_t);
/* Read an analog value from pin, the pin mode must be set
* to INPUT_ANALOG
* analogRead(pin)
* pin -> {A0-A16}
* */
uint32_t analogRead(uint8_t);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
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