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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****/ |