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Add FreeRTOS-Plus directory.
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Richard Barry
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6798 changed files with 134949 additions and 19 deletions
115
FreeRTOS/Demo/ARM7_STR75x_IAR/STLibrary/inc/75x_i2c.h
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115
FreeRTOS/Demo/ARM7_STR75x_IAR/STLibrary/inc/75x_i2c.h
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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
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* File Name : 75x_i2c.h
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* Author : MCD Application Team
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* Date First Issued : 03/10/2006
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* Description : This file contains all the functions prototypes for the
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* I2C software library.
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********************************************************************************
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* History:
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* 07/17/2006 : V1.0
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* 03/10/2006 : V0.1
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********************************************************************************
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* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Define to prevent recursive inclusion ------------------------------------ */
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#ifndef __75x_I2C_H
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#define __75x_I2C_H
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/* Includes ----------------------------------------------------------------- */
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#include "75x_map.h"
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/* Exported types ----------------------------------------------------------- */
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/* I2C Init structure definition */
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typedef struct
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{
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u32 I2C_CLKSpeed;
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u16 I2C_OwnAddress;
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u8 I2C_GeneralCall;
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u8 I2C_Ack;
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}I2C_InitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/* General Call */
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#define I2C_GeneralCall_Enable 0x10
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#define I2C_GeneralCall_Disable 0xEF
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/* Acknowledgement */
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#define I2C_Ack_Enable 0x04
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#define I2C_Ack_Disable 0xFB
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/* I2C Flags */
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#define I2C_FLAG_SB 0x0001
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#define I2C_FLAG_M_SL 0x0002
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#define I2C_FLAG_ADSL 0x0004
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#define I2C_FLAG_BTF 0x0008
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#define I2C_FLAG_BUSY 0x0010
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#define I2C_FLAG_TRA 0x0020
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#define I2C_FLAG_ADD10 0x0040
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#define I2C_FLAG_EVF 0x0080
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#define I2C_FLAG_GCAL 0x0100
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#define I2C_FLAG_BERR 0x0200
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#define I2C_FLAG_ARLO 0x0400
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#define I2C_FLAG_STOPF 0x0800
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#define I2C_FLAG_AF 0x1000
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#define I2C_FLAG_ENDAD 0x2000
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#define I2C_FLAG_ACK 0x4000
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/* I2C Events */
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#define I2C_EVENT_SLAVE_ADDRESS_MATCHED ( I2C_FLAG_EVF | I2C_FLAG_BUSY |I2C_FLAG_ADSL)
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#define I2C_EVENT_SLAVE_BYTE_RECEIVED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF )
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#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF | I2C_FLAG_TRA )
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#define I2C_EVENT_MASTER_MODE_SELECT ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_SB )
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#define I2C_EVENT_MASTER_MODE_SELECTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_ENDAD )
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#define I2C_EVENT_MASTER_BYTE_RECEIVED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_BTF )
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#define I2C_EVENT_MASTER_BYTE_TRANSMITTED ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL | I2C_FLAG_BTF | I2C_FLAG_TRA )
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#define I2C_EVENT_MASTER_MODE_ADDRESS10 ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_M_SL |I2C_FLAG_ADD10 )
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#define I2C_EVENT_SLAVE_STOP_DETECTED I2C_FLAG_STOPF
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#define I2C_EVENT_SLAVE_ACK_FAILURE ( I2C_FLAG_EVF | I2C_FLAG_BUSY | I2C_FLAG_BTF | I2C_FLAG_TRA | I2C_FLAG_AF)
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#define I2C_BUS_ERROR_DETECTED I2C_FLAG_BERR
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#define I2C_ARBITRATION_LOST I2C_FLAG_ARLO
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#define I2C_SLAVE_GENERAL_CALL (I2C_FLAG_BUSY | I2C_FLAG_GCAL)
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/* Master/Receiver Mode */
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#define I2C_MODE_TRANSMITTER 0x00
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#define I2C_MODE_RECEIVER 0x01
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/* I2C Registers offset */
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#define I2C_CR 0x00
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#define I2C_SR1 0x04
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#define I2C_SR2 0x08
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#define I2C_CCR 0x0C
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#define I2C_OAR1 0x10
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#define I2C_OAR2 0x14
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#define I2C_DR 0x18
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#define I2C_ECCR 0x1C
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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void I2C_DeInit(void);
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void I2C_Init(I2C_InitTypeDef* I2C_InitStruct);
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void I2C_StructInit(I2C_InitTypeDef* I2C_InitStruct);
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void I2C_Cmd(FunctionalState NewState);
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void I2C_GenerateSTART(FunctionalState NewState);
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void I2C_GenerateSTOP(FunctionalState NewState);
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void I2C_AcknowledgeConfig(FunctionalState NewState);
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void I2C_ITConfig(FunctionalState NewState);
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u16 I2C_GetLastEvent(void);
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ErrorStatus I2C_CheckEvent(u16 I2C_EVENT);
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void I2C_SendData(u8 Data);
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u8 I2C_ReceiveData(void);
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void I2C_Send7bitAddress(u8 Address, u8 Direction);
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u8 I2C_ReadRegister(u8 I2C_Register);
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FlagStatus I2C_GetFlagStatus(u16 I2C_FLAG);
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void I2C_ClearFlag(u16 I2C_FLAG, ...);
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#endif /* __75x_I2C_H */
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/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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