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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name : 91x_i2c.h
* Author : MCD Application Team
* Date First Issued : 05/18/2006 : Version 1.0
* Description : This file contains all the functions prototypes for the
* I2C software library.
********************************************************************************
* History:
* 05/22/2007 : Version 1.2
* 05/24/2006 : Version 1.1
* 05/18/2006 : Version 1.0
********************************************************************************
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*******************************************************************************/
/* Define to prevent recursive inclusion ------------------------------------ */
#ifndef __91x_I2C_H
#define __91x_I2C_H
/* Includes ----------------------------------------------------------------- */
#include "91x_map.h"
/* Exported types ----------------------------------------------------------- */
/* I2C Init structure definition */
typedef struct
{
u32 I2C_CLKSpeed;
u16 I2C_OwnAddress;
u8 I2C_GeneralCall;
u8 I2C_Ack;
}I2C_InitTypeDef;
/* Exported constants --------------------------------------------------------*/
#define I2C_GeneralCall_Enable 0x10
#define I2C_GeneralCall_Disable 0xEF
/* Acknowledgement */
#define I2C_Ack_Enable 0x04
#define I2C_Ack_Disable 0xFB
/* I2C Flags */
#define I2C_FLAG_SB 0x0001
#define I2C_FLAG_M_SL 0x0002
#define I2C_FLAG_ADSL 0x0004
#define I2C_FLAG_BTF 0x0008
#define I2C_FLAG_BUSY 0x0010
#define I2C_FLAG_TRA 0x0020
#define I2C_FLAG_ADD10 0x0040
#define I2C_FLAG_EVF 0x0080
#define I2C_FLAG_GCAL 0x0100
#define I2C_FLAG_BERR 0x0200
#define I2C_FLAG_ARLO 0x0400
#define I2C_FLAG_STOPF 0x0800
#define I2C_FLAG_AF 0x1000
#define I2C_FLAG_ENDAD 0x2000
#define I2C_FLAG_ACK 0x4000
/* I2C Events */
#define I2C_EVENT_SLAVE_ADDRESS_MATCHED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_ADSL)
#define I2C_EVENT_SLAVE_BYTE_RECEIVED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF )
#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF | I2C_FLAG_TRA )
#define I2C_EVENT_MASTER_MODE_SELECT ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_SB )
#define I2C_EVENT_MASTER_MODE_SELECTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_ENDAD )
#define I2C_EVENT_MASTER_BYTE_RECEIVED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_BTF )
#define I2C_EVENT_MASTER_BYTE_TRANSMITTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_BTF | I2C_FLAG_TRA )
#define I2C_EVENT_MASTER_MODE_ADDRESS10 ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL |I2C_FLAG_ADD10 )
#define I2C_EVENT_SLAVE_STOP_DETECTED ( I2C_FLAG_EVF | I2C_FLAG_STOPF )
#define I2C_EV31 ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF | I2C_FLAG_TRA | I2C_FLAG_AF)
#define I2C_EVENT_SLAVE_ACK_FAILURE ( I2C_FLAG_EVF | I2C_FLAG_BUSY |I2C_FLAG_AF)
#define I2C_EVENT_ALL ( I2C_FLAG_EVF | I2C_FLAG_BUSY |I2C_FLAG_AF |I2C_FLAG_BTF)
#define I2C_BUS_ERROR_DETECTED I2C_FLAG_BERR
#define I2C_ARBITRATION_LOST I2C_FLAG_ARLO
#define I2C_SLAVE_GENERAL_CALL (I2C_FLAG_BUSY | I2C_FLAG_GCAL)
/* Master/Receiver Mode */
#define I2C_MODE_TRANSMITTER 0x00
#define I2C_MODE_RECEIVER 0x01
/* I2C Registers offset */
#define I2C_CR 0x00
#define I2C_SR1 0x04
#define I2C_SR2 0x08
#define I2C_CCR 0x0C
#define I2C_OAR1 0x10
#define I2C_OAR2 0x14
#define I2C_DR 0x18
#define I2C_ECCR 0x1C
/* Exported macro ------------------------------------------------------------*/
/* Exported functions ------------------------------------------------------- */
void I2C_DeInit(I2C_TypeDef* I2Cx);
void I2C_Init(I2C_TypeDef* I2Cx, I2C_InitTypeDef* I2C_InitStruct);
void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct);
void I2C_Cmd(I2C_TypeDef* I2Cx, FunctionalState NewState);
void I2C_GenerateStart(I2C_TypeDef* I2Cx, FunctionalState NewState);
void I2C_GenerateSTOP(I2C_TypeDef* I2Cx, FunctionalState NewState);
void I2C_AcknowledgeConfig(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_ITConfig(I2C_TypeDef *I2Cx, FunctionalState NewState);
void I2C_Send7bitAddress(I2C_TypeDef* I2Cx, u8 Address, u8 Direction);
u8 I2C_ReadRegister(I2C_TypeDef* I2Cx, u8 I2C_Register);
FlagStatus I2C_GetFlagStatus(I2C_TypeDef* I2Cx, u16 I2C_FLAG);
void I2C_ClearFlag(I2C_TypeDef* I2Cx, u16 I2C_FLAG, ...);
void I2C_SendData(I2C_TypeDef* I2Cx, u8 bData);
u8 I2C_ReceiveData(I2C_TypeDef* I2Cx);
u16 I2C_GetLastEvent(I2C_TypeDef* I2Cx);
ErrorStatus I2C_CheckEvent(I2C_TypeDef* I2Cx,u16 I2C_Event);
#endif /* __91x_I2C_H */
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/