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#ifndef WIRE_H_
#define WIRE_H_
/**************************************************************************//**
* @file Wire.h
* @brief Arduino-like library for MARY
* @version V0.50
* @date 4. April 2012.
* @author @@lynxeyed_atsu
* @note Copyright (c) 2011 Lynx-EyED's Klavier and Craft-works. <BR>
* 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: <BR>
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.<BR>
* 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 "LPC11xx.h"
#include <libmary.h>
#ifdef __cplusplus
extern "C" {
#endif
#define BUFFER_LENGTH 32
/*! @enum WIRE_ACK_STATE
@brief I2Cでバイトデータを送った際にスレーブからの値を返す
*/
typedef enum {
ACK = 0, /*!< ACK(入力バイトは承認された) */
NAK, /*!< ACK(入力バイトは承認されなかった) */
BUFF_OV, /*!< バッファオーバーフロー */
ADDR_NAK, /*!< スレーブへアドレスを送信しNACKを受信した */
DATA_NAK, /*!< スレーブへデータを送信しNACKを受信した */
AND_MORE /*!< その他のエラー */
} WIRE_ACK_STATE;
class TwoWire{
private:
int sda,scl;
static uint8_t rxBuffer[];
static uint8_t rxBufferIndex;
static uint8_t rxBufferLength;
static uint8_t txAddress;
static uint8_t txBuffer[];
static uint8_t txBufferIndex;
static uint8_t txBufferLength;
static uint8_t transmitting;
static void (*user_onRequest)(void);
static void (*user_onReceive)(int);
static void onRequestService(void);
static void onReceiveService(uint8_t*, int);
public:
TwoWire();
void begin();
void begin(uint8_t);
void begin(int);
void begin(int,int);
void beginTransmission(uint8_t);
void beginTransmission(int);
uint8_t endTransmission(void);
uint8_t requestFrom(uint8_t, uint8_t);
uint8_t requestFrom(int, int);
void write(int8_t);
void send(uint8_t*, uint8_t);
void send(int8_t *);
void send(int);
uint8_t available(void);
uint8_t receive(void);
void onReceive( void (*)(int) );
void onRequest( void (*)(void) );
};
extern TwoWire Wire;
#ifdef __cplusplus
}
#endif
#endif /* WIRE_H_ */
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