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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_STR75x_IAR/] [STLibrary/] [inc/] [75x_i2c.h] - Rev 592
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/******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** * File Name : 75x_i2c.h * Author : MCD Application Team * Date First Issued : 03/10/2006 * Description : This file contains all the functions prototypes for the * I2C software library. ******************************************************************************** * History: * 07/17/2006 : V1.0 * 03/10/2006 : V0.1 ******************************************************************************** * 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 __75x_I2C_H #define __75x_I2C_H /* Includes ----------------------------------------------------------------- */ #include "75x_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 --------------------------------------------------------*/ /* General Call */ #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_STOPF #define I2C_EVENT_SLAVE_ACK_FAILURE ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF | I2C_FLAG_TRA | I2C_FLAG_AF) #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(void); void I2C_Init(I2C_InitTypeDef* I2C_InitStruct); void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct); void I2C_Cmd(FunctionalState NewState); void I2C_GenerateSTART(FunctionalState NewState); void I2C_GenerateSTOP(FunctionalState NewState); void I2C_AcknowledgeConfig(FunctionalState NewState); void I2C_ITConfig(FunctionalState NewState); u16 I2C_GetLastEvent(void); ErrorStatus I2C_CheckEvent(u16 I2C_EVENT); void I2C_SendData(u8 Data); u8 I2C_ReceiveData(void); void I2C_Send7bitAddress(u8 Address, u8 Direction); u8 I2C_ReadRegister(u8 I2C_Register); FlagStatus I2C_GetFlagStatus(u16 I2C_FLAG); void I2C_ClearFlag(u16 I2C_FLAG, ...); #endif /* __75x_I2C_H */ /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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