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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_STR75x_IAR/] [STLibrary/] [inc/] [75x_can.h] - Rev 592
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/******************** (C) COPYRIGHT 2006 STMicroelectronics ******************** * File Name : 75x_can.h * Author : MCD Application Team * Date First Issued : 03/10/2006 * Description : This file contains all the functions prototypes for the * CAN bus 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_CAN_H #define __75x_CAN_H /* Includes ------------------------------------------------------------------*/ #include "75x_map.h" /* Exported types ------------------------------------------------------------*/ /* CAN Init structure define */ typedef struct { u8 CAN_ConfigParameters; u32 CAN_Bitrate; }CAN_InitTypeDef; /* Exported constants --------------------------------------------------------*/ /* Standard bitrates available*/ enum { CAN_BITRATE_100K, CAN_BITRATE_125K, CAN_BITRATE_250K, CAN_BITRATE_500K, CAN_BITRATE_1M }; /* Control register*/ #define CAN_CR_TEST 0x0080 #define CAN_CR_CCE 0x0040 #define CAN_CR_DAR 0x0020 #define CAN_CR_EIE 0x0008 #define CAN_CR_SIE 0x0004 #define CAN_CR_IE 0x0002 #define CAN_CR_INIT 0x0001 /* Status register */ #define CAN_SR_BOFF 0x0080 #define CAN_SR_EWARN 0x0040 #define CAN_SR_EPASS 0x0020 #define CAN_SR_RXOK 0x0010 #define CAN_SR_TXOK 0x0008 #define CAN_SR_LEC 0x0007 /* Test register*/ #define CAN_TESTR_RX 0x0080 #define CAN_TESTR_TX1 0x0040 #define CAN_TESTR_TX0 0x0020 #define CAN_TESTR_LBACK 0x0010 #define CAN_TESTR_SILENT 0x0008 #define CAN_TESTR_BASIC 0x0004 /* IFn / Command Request register*/ #define CAN_CRR_BUSY 0x8000 /* IFn / Command Mask register*/ #define CAN_CMR_WRRD 0x0080 #define CAN_CMR_MASK 0x0040 #define CAN_CMR_ARB 0x0020 #define CAN_CMR_CONTROL 0x0010 #define CAN_CMR_CLRINTPND 0x0008 #define CAN_CMR_TXRQSTNEWDAT 0x0004 #define CAN_CMR_DATAA 0x0002 #define CAN_CMR_DATAB 0x0001 /* IFn / Mask 2 register*/ #define CAN_M2R_MXTD 0x8000 #define CAN_M2R_MDIR 0x4000 /* IFn / Arbitration 2 register*/ #define CAN_A2R_MSGVAL 0x8000 #define CAN_A2R_XTD 0x4000 #define CAN_A2R_DIR 0x2000 /* IFn / Message Control register*/ #define CAN_MCR_NEWDAT 0x8000 #define CAN_MCR_MSGLST 0x4000 #define CAN_MCR_INTPND 0x2000 #define CAN_MCR_UMASK 0x1000 #define CAN_MCR_TXIE 0x0800 #define CAN_MCR_RXIE 0x0400 #define CAN_MCR_RMTEN 0x0200 #define CAN_MCR_TXRQST 0x0100 #define CAN_MCR_EOB 0x0080 /* Wake-up modes*/ enum { CAN_WAKEUP_ON_EXT, CAN_WAKEUP_ON_CAN }; /* CAN message structure*/ typedef struct { u32 IdType; u32 Id; u8 Dlc; u8 Data[8]; } canmsg; /* Message ID types*/ enum { CAN_STD_ID, CAN_EXT_ID }; /* Message ID limits*/ #define CAN_LAST_STD_ID ((1<<11) - 1) #define CAN_LAST_EXT_ID ((1L<<29) - 1) /* Exported functions ------------------------------------------------------- */ void CAN_Init (CAN_InitTypeDef *CAN_InitStruct); void CAN_DeInit (void); void CAN_StructInit(CAN_InitTypeDef *CAN_InitStruct); void CAN_SetBitrate(u32 bitrate); void CAN_SetTiming(u32 tseg1, u32 tseg2, u32 sjw, u32 brp); ErrorStatus CAN_SetUnusedMsgObj(u32 msgobj); ErrorStatus CAN_SetTxMsgObj(u32 msgobj, u32 idType); ErrorStatus CAN_SetRxMsgObj(u32 msgobj, u32 idType, u32 idLow, u32 idHigh, bool singleOrFifoLast); void CAN_InvalidateAllMsgObj(void); ErrorStatus CAN_ReleaseMessage(u32 msgobj); ErrorStatus CAN_SendMessage(u32 msgobj, canmsg* pCanMsg); ErrorStatus CAN_ReceiveMessage(u32 msgobj, bool release, canmsg* pCanMsg); ErrorStatus CAN_WaitEndOfTx(void); ErrorStatus CAN_BasicSendMessage(canmsg* pCanMsg); ErrorStatus CAN_BasicReceiveMessage(canmsg* pCanMsg); void CAN_EnterTestMode(u8 TestMask); void CAN_EnterInitMode(u8 InitMask); void CAN_LeaveInitMode(void); void CAN_LeaveTestMode(void); void CAN_ReleaseTxMessage(u32 msgobj); void CAN_ReleaseRxMessage(u32 msgobj); u32 CAN_IsMessageWaiting(u32 msgobj); u32 CAN_IsTransmitRequested(u32 msgobj); u32 CAN_IsInterruptPending(u32 msgobj); u32 CAN_IsObjectValid(u32 msgobj); #endif /* __75x_CAN_H */ /******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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