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//*****************************************************************************
//
// can.h - Defines and Macros for the CAN controller.
//
// Copyright (c) 2006-2008 Luminary Micro, Inc.  All rights reserved.
// 
// Software License Agreement
// 
// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
// exclusively on LMI's microcontroller products.
// 
// The software is owned by LMI and/or its suppliers, and is protected under
// applicable copyright laws.  All rights are reserved.  You may not combine
// this software with "viral" open-source software in order to form a larger
// program.  Any use in violation of the foregoing restrictions may subject
// the user to criminal sanctions under applicable laws, as well as to civil
// liability for the breach of the terms and conditions of this license.
// 
// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
// 
// This is part of revision 2523 of the Stellaris Peripheral Driver Library.
//
//*****************************************************************************
 
#ifndef __CAN_H__
#define __CAN_H__
 
//*****************************************************************************
//
//! \addtogroup can_api
//! @{
//
//*****************************************************************************
 
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C"
{
#endif
 
//*****************************************************************************
//
// Miscellaneous defines for Message ID Types
//
//*****************************************************************************
 
//*****************************************************************************
//
//! These are the flags used by the tCANMsgObject variable when calling the
//! CANMessageSet() and CANMessageGet() functions.
//
//*****************************************************************************
typedef enum
{
    //
    //! This indicates that transmit interrupts should be enabled, or are
    //! enabled.
    //
    MSG_OBJ_TX_INT_ENABLE =     0x00000001,
 
    //
    //! This indicates that receive interrupts should be enabled, or are
    //! enabled.
    //
    MSG_OBJ_RX_INT_ENABLE =     0x00000002,
 
    //
    //! This indicates that a message object will use or is using an extended
    //! identifier.
    //
    MSG_OBJ_EXTENDED_ID =       0x00000004,
 
    //
    //! This indicates that a message object will use or is using filtering
    //! based on the object's message identifier.
    //
    MSG_OBJ_USE_ID_FILTER =     0x00000008,
 
    //
    //! This indicates that new data was available in the message object.
    //
    MSG_OBJ_NEW_DATA =          0x00000080,
 
    //
    //! This indicates that data was lost since this message object was last
    //! read.
    //
    MSG_OBJ_DATA_LOST =         0x00000100,
 
    //
    //! This indicates that a message object will use or is using filtering
    //! based on the direction of the transfer.  If the direction filtering is
    //! used, then ID filtering must also be enabled.
    //
    MSG_OBJ_USE_DIR_FILTER =    (0x00000010 | MSG_OBJ_USE_ID_FILTER),
 
    //
    //! This indicates that a message object will use or is using message
    //! identifier filtering based on the extended identifier.  If the extended
    //! identifier filtering is used, then ID filtering must also be enabled.
    //
    MSG_OBJ_USE_EXT_FILTER =    (0x00000020 | MSG_OBJ_USE_ID_FILTER),
 
    //
    //! This indicates that a message object is a remote frame.
    //
    MSG_OBJ_REMOTE_FRAME =      0x00000040,
 
    //
    //! This indicates that a message object has no flags set.
    //
    MSG_OBJ_NO_FLAGS =          0x00000000
}
tCANObjFlags;
 
//*****************************************************************************
//
//! This define is used with the #tCANObjFlags enumerated values to allow
//! checking only status flags and not configuration flags.
//
//*****************************************************************************
#define MSG_OBJ_STATUS_MASK     (MSG_OBJ_NEW_DATA | MSG_OBJ_DATA_LOST)
 
//*****************************************************************************
//
//! The structure used for encapsulating all the items associated with a CAN
//! message object in the CAN controller.
//
//*****************************************************************************
typedef struct
{
    //
    //! The CAN message identifier used for 11 or 29 bit identifiers.
    //
    unsigned long ulMsgID;
 
    //
    //! The message identifier mask used when identifier filtering is enabled.
    //
    unsigned long ulMsgIDMask;
 
    //
    //! This value holds various status flags and settings specified by
    //! tCANObjFlags.
    //
    unsigned long ulFlags;
 
    //
    //! This value is the number of bytes of data in the message object.
    //
    unsigned long ulMsgLen;
 
    //
    //! This is a pointer to the message object's data.
    //
    unsigned char *pucMsgData;
}
tCANMsgObject;
 
//*****************************************************************************
//
//! This structure is used for encapsulating the values associated with setting
//! up the bit timing for a CAN controller.  The structure is used when calling
//! the CANGetBitTiming and CANSetBitTiming functions.
//
//*****************************************************************************
typedef struct
{
    //
    //! This value holds the sum of the Synchronization, Propagation, and Phase
    //! Buffer 1 segments, measured in time quanta.  The valid values for this
    //! setting range from 2 to 16.
    //
    unsigned int uSyncPropPhase1Seg;
 
    //
    //! This value holds the Phase Buffer 2 segment in time quanta.  The valid
    //! values for this setting range from 1 to 8.
    //
    unsigned int uPhase2Seg;
 
    //
    //! This value holds the Resynchronization Jump Width in time quanta.  The
    //! valid values for this setting range from 1 to 4.
    //
    unsigned int uSJW;
 
    //
    //! This value holds the CAN_CLK divider used to determine time quanta.
    //! The valid values for this setting range from 1 to 1023.
    //
    unsigned int uQuantumPrescaler;
 
}
tCANBitClkParms;
 
//*****************************************************************************
//
//! This data type is used to identify the interrupt status register.  This is
//! used when calling the CANIntStatus() function.
//
//*****************************************************************************
typedef enum
{
    //
    //! Read the CAN interrupt status information.
    //
    CAN_INT_STS_CAUSE,
 
    //
    //! Read a message object's interrupt status.
    //
    CAN_INT_STS_OBJECT
}
tCANIntStsReg;
 
//*****************************************************************************
//
//! This data type is used to identify which of several status registers to
//! read when calling the CANStatusGet() function.
//
//*****************************************************************************
typedef enum
{
    //
    //! Read the full CAN controller status.
    //
    CAN_STS_CONTROL,
 
    //
    //! Read the full 32-bit mask of message objects with a transmit request
    //! set.
    //
    CAN_STS_TXREQUEST,
 
    //
    //! Read the full 32-bit mask of message objects with new data available.
    //
    CAN_STS_NEWDAT,
 
    //
    //! Read the full 32-bit mask of message objects that are enabled.
    //
    CAN_STS_MSGVAL
}
tCANStsReg;
 
//*****************************************************************************
//
//! These definitions are used to specify interrupt sources to CANIntEnable()
//! and CANIntDisable().
//
//*****************************************************************************
typedef enum
{
    //
    //! This flag is used to allow a CAN controller to generate error
    //! interrupts.
    //
    CAN_INT_ERROR =             0x00000008,
 
    //
    //! This flag is used to allow a CAN controller to generate status
    //! interrupts.
    //
    CAN_INT_STATUS =            0x00000004,
 
    //
    //! This flag is used to allow a CAN controller to generate any CAN
    //! interrupts.  If this is not set, then no interrupts will be generated
    //! by the CAN controller.
    //
    CAN_INT_MASTER =            0x00000002
}
tCANIntFlags;
 
//*****************************************************************************
//
//! This definition is used to determine the type of message object that will
//! be set up via a call to the CANMessageSet() API.
//
//*****************************************************************************
typedef enum
{
    //
    //! Transmit message object.
    //
    MSG_OBJ_TYPE_TX,
 
    //
    //! Transmit remote request message object
    //
    MSG_OBJ_TYPE_TX_REMOTE,
 
    //
    //! Receive message object.
    //
    MSG_OBJ_TYPE_RX,
 
    //
    //! Receive remote request message object.
    //
    MSG_OBJ_TYPE_RX_REMOTE,
 
    //
    //! Remote frame receive remote, with auto-transmit message object.
    //
    MSG_OBJ_TYPE_RXTX_REMOTE
}
tMsgObjType;
 
//*****************************************************************************
//
//! The following enumeration contains all error or status indicators that can
//! be returned when calling the CANStatusGet() function.
//
//*****************************************************************************
typedef enum
{
    //
    //! CAN controller has entered a Bus Off state.
    //
    CAN_STATUS_BUS_OFF =        0x00000080,
 
    //
    //! CAN controller error level has reached warning level.
    //
    CAN_STATUS_EWARN =          0x00000040,
 
    //
    //! CAN controller error level has reached error passive level.
    //
    CAN_STATUS_EPASS =          0x00000020,
 
    //
    //! A message was received successfully since the last read of this status.
    //
    CAN_STATUS_RXOK =           0x00000010,
 
    //
    //! A message was transmitted successfully since the last read of this
    //! status.
    //
    CAN_STATUS_TXOK =           0x00000008,
 
    //
    //! This is the mask for the last error code field.
    //
    CAN_STATUS_LEC_MSK =        0x00000007,
 
    //
    //! There was no error.
    //
    CAN_STATUS_LEC_NONE =       0x00000000,
 
    //
    //! A bit stuffing error has occurred.
    //
    CAN_STATUS_LEC_STUFF =      0x00000001,
 
    //
    //! A formatting error has occurred.
    //
    CAN_STATUS_LEC_FORM =       0x00000002,
 
    //
    //! An acknowledge error has occurred.
    //
    CAN_STATUS_LEC_ACK =        0x00000003,
 
    //
    //! The bus remained a bit level of 1 for longer than is allowed.
    //
    CAN_STATUS_LEC_BIT1 =       0x00000004,
 
    //
    //! The bus remained a bit level of 0 for longer than is allowed.
    //
    CAN_STATUS_LEC_BIT0 =       0x00000005,
 
    //
    //! A CRC error has occurred.
    //
    CAN_STATUS_LEC_CRC =        0x00000006,
 
    //
    //! This is the mask for the CAN Last Error Code (LEC).
    //
    CAN_STATUS_LEC_MASK =       0x00000007
}
tCANStatusCtrl;
 
//*****************************************************************************
//
// API Function prototypes
//
//*****************************************************************************
extern void CANInit(unsigned long ulBase);
extern void CANEnable(unsigned long ulBase);
extern void CANDisable(unsigned long ulBase);
extern void CANSetBitTiming(unsigned long ulBase, tCANBitClkParms *pClkParms);
extern void CANGetBitTiming(unsigned long ulBase, tCANBitClkParms *pClkParms);
extern unsigned long CANReadReg(unsigned long ulRegAddress);
extern void CANWriteReg(unsigned long ulRegAddress, unsigned long ulRegValue);
extern void CANMessageSet(unsigned long ulBase, unsigned long ulObjID,
                          tCANMsgObject *pMsgObject, tMsgObjType eMsgType);
extern void CANMessageGet(unsigned long ulBase, unsigned long ulObjID,
                          tCANMsgObject *pMsgObject, tBoolean bClrPendingInt);
extern unsigned long CANStatusGet(unsigned long ulBase, tCANStsReg eStatusReg);
extern void CANMessageClear(unsigned long ulBase, unsigned long ulObjID);
extern void CANIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
extern void CANIntUnregister(unsigned long ulBase);
extern void CANIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
extern void CANIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
extern void CANIntClear(unsigned long ulBase, unsigned long ulIntClr);
extern unsigned long CANIntStatus(unsigned long ulBase,
                                  tCANIntStsReg eIntStsReg);
extern tBoolean CANRetryGet(unsigned long ulBase);
extern void CANRetrySet(unsigned long ulBase, tBoolean bAutoRetry);
extern tBoolean CANErrCntrGet(unsigned long ulBase, unsigned long *pulRxCount,
                              unsigned long *pulTxCount);
extern long CANGetIntNumber(unsigned long ulBase);
extern void CANReadDataReg(unsigned char *pucData, unsigned long *pulRegister,
                           int iSize);
extern void CANWriteDataReg(unsigned char *pucData, unsigned long *pulRegister,
                            int iSize);
 
//*****************************************************************************
//
// Mark the end of the C bindings section for C++ compilers.
//
//*****************************************************************************
#ifdef __cplusplus
}
#endif
 
//*****************************************************************************
//
// Close the Doxygen group.
//! @}
//
//*****************************************************************************
 
#endif //  __CAN_H__

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [drivers/] [LuminaryMicro/] [can.h] - Blame information for rev 615

Line No.	Rev	Author	Line
1	610	jeremybenn	`//*****************************************************************************`
2			`//`
3			`// can.h - Defines and Macros for the CAN controller.`
4			`//`
5			`// Copyright (c) 2006-2008 Luminary Micro, Inc. All rights reserved.`
6			`//`
7			`// Software License Agreement`
8			`//`
9			`// Luminary Micro, Inc. (LMI) is supplying this software for use solely and`
10			`// exclusively on LMI's microcontroller products.`
11			`//`
12			`// The software is owned by LMI and/or its suppliers, and is protected under`
13			`// applicable copyright laws. All rights are reserved. You may not combine`
14			`// this software with "viral" open-source software in order to form a larger`
15			`// program. Any use in violation of the foregoing restrictions may subject`
16			`// the user to criminal sanctions under applicable laws, as well as to civil`
17			`// liability for the breach of the terms and conditions of this license.`
18			`//`
19			`// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED`
20			`// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF`
21			`// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.`
22			`// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR`
23			`// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.`
24			`//`
25			`// This is part of revision 2523 of the Stellaris Peripheral Driver Library.`
26			`//`
27			`//*****************************************************************************`
28
29			`#ifndef __CAN_H__`
30			`#define __CAN_H__`
31
32			`//*****************************************************************************`
33			`//`
34			`//! \addtogroup can_api`
35			`//! @{`
36			`//`
37			`//*****************************************************************************`
38
39			`//*****************************************************************************`
40			`//`
41			`// If building with a C++ compiler, make all of the definitions in this header`
42			`// have a C binding.`
43			`//`
44			`//*****************************************************************************`
45			`#ifdef __cplusplus`
46			`extern "C"`
47			`{`
48			`#endif`
49
50			`//*****************************************************************************`
51			`//`
52			`// Miscellaneous defines for Message ID Types`
53			`//`
54			`//*****************************************************************************`
55
56			`//*****************************************************************************`
57			`//`
58			`//! These are the flags used by the tCANMsgObject variable when calling the`
59			`//! CANMessageSet() and CANMessageGet() functions.`
60			`//`
61			`//*****************************************************************************`
62			`typedef enum`
63			`{`
64			`//`
65			`//! This indicates that transmit interrupts should be enabled, or are`
66			`//! enabled.`
67			`//`
68			`MSG_OBJ_TX_INT_ENABLE = 0x00000001,`
69
70			`//`
71			`//! This indicates that receive interrupts should be enabled, or are`
72			`//! enabled.`
73			`//`
74			`MSG_OBJ_RX_INT_ENABLE = 0x00000002,`
75
76			`//`
77			`//! This indicates that a message object will use or is using an extended`
78			`//! identifier.`
79			`//`
80			`MSG_OBJ_EXTENDED_ID = 0x00000004,`
81
82			`//`
83			`//! This indicates that a message object will use or is using filtering`
84			`//! based on the object's message identifier.`
85			`//`
86			`MSG_OBJ_USE_ID_FILTER = 0x00000008,`
87
88			`//`
89			`//! This indicates that new data was available in the message object.`
90			`//`
91			`MSG_OBJ_NEW_DATA = 0x00000080,`
92
93			`//`
94			`//! This indicates that data was lost since this message object was last`
95			`//! read.`
96			`//`
97			`MSG_OBJ_DATA_LOST = 0x00000100,`
98
99			`//`
100			`//! This indicates that a message object will use or is using filtering`
101			`//! based on the direction of the transfer. If the direction filtering is`
102			`//! used, then ID filtering must also be enabled.`
103			`//`
104			`MSG_OBJ_USE_DIR_FILTER = (0x00000010 \| MSG_OBJ_USE_ID_FILTER),`
105
106			`//`
107			`//! This indicates that a message object will use or is using message`
108			`//! identifier filtering based on the extended identifier. If the extended`
109			`//! identifier filtering is used, then ID filtering must also be enabled.`
110			`//`
111			`MSG_OBJ_USE_EXT_FILTER = (0x00000020 \| MSG_OBJ_USE_ID_FILTER),`
112
113			`//`
114			`//! This indicates that a message object is a remote frame.`
115			`//`
116			`MSG_OBJ_REMOTE_FRAME = 0x00000040,`
117
118			`//`
119			`//! This indicates that a message object has no flags set.`
120			`//`
121			`MSG_OBJ_NO_FLAGS = 0x00000000`
122			`}`
123			`tCANObjFlags;`
124
125			`//*****************************************************************************`
126			`//`
127			`//! This define is used with the #tCANObjFlags enumerated values to allow`
128			`//! checking only status flags and not configuration flags.`
129			`//`
130			`//*****************************************************************************`
131			`#define MSG_OBJ_STATUS_MASK (MSG_OBJ_NEW_DATA \| MSG_OBJ_DATA_LOST)`
132
133			`//*****************************************************************************`
134			`//`
135			`//! The structure used for encapsulating all the items associated with a CAN`
136			`//! message object in the CAN controller.`
137			`//`
138			`//*****************************************************************************`
139			`typedef struct`
140			`{`
141			`//`
142			`//! The CAN message identifier used for 11 or 29 bit identifiers.`
143			`//`
144			`unsigned long ulMsgID;`
145
146			`//`
147			`//! The message identifier mask used when identifier filtering is enabled.`
148			`//`
149			`unsigned long ulMsgIDMask;`
150
151			`//`
152			`//! This value holds various status flags and settings specified by`
153			`//! tCANObjFlags.`
154			`//`
155			`unsigned long ulFlags;`
156
157			`//`
158			`//! This value is the number of bytes of data in the message object.`
159			`//`
160			`unsigned long ulMsgLen;`
161
162			`//`
163			`//! This is a pointer to the message object's data.`
164			`//`
165			`unsigned char *pucMsgData;`
166			`}`
167			`tCANMsgObject;`
168
169			`//*****************************************************************************`
170			`//`
171			`//! This structure is used for encapsulating the values associated with setting`
172			`//! up the bit timing for a CAN controller. The structure is used when calling`
173			`//! the CANGetBitTiming and CANSetBitTiming functions.`
174			`//`
175			`//*****************************************************************************`
176			`typedef struct`
177			`{`
178			`//`
179			`//! This value holds the sum of the Synchronization, Propagation, and Phase`
180			`//! Buffer 1 segments, measured in time quanta. The valid values for this`
181			`//! setting range from 2 to 16.`
182			`//`
183			`unsigned int uSyncPropPhase1Seg;`
184
185			`//`
186			`//! This value holds the Phase Buffer 2 segment in time quanta. The valid`
187			`//! values for this setting range from 1 to 8.`
188			`//`
189			`unsigned int uPhase2Seg;`
190
191			`//`
192			`//! This value holds the Resynchronization Jump Width in time quanta. The`
193			`//! valid values for this setting range from 1 to 4.`
194			`//`
195			`unsigned int uSJW;`
196
197			`//`
198			`//! This value holds the CAN_CLK divider used to determine time quanta.`
199			`//! The valid values for this setting range from 1 to 1023.`
200			`//`
201			`unsigned int uQuantumPrescaler;`
202
203			`}`
204			`tCANBitClkParms;`
205
206			`//*****************************************************************************`
207			`//`
208			`//! This data type is used to identify the interrupt status register. This is`
209			`//! used when calling the CANIntStatus() function.`
210			`//`
211			`//*****************************************************************************`
212			`typedef enum`
213			`{`
214			`//`
215			`//! Read the CAN interrupt status information.`
216			`//`
217			`CAN_INT_STS_CAUSE,`
218
219			`//`
220			`//! Read a message object's interrupt status.`
221			`//`
222			`CAN_INT_STS_OBJECT`
223			`}`
224			`tCANIntStsReg;`
225
226			`//*****************************************************************************`
227			`//`
228			`//! This data type is used to identify which of several status registers to`
229			`//! read when calling the CANStatusGet() function.`
230			`//`
231			`//*****************************************************************************`
232			`typedef enum`
233			`{`
234			`//`
235			`//! Read the full CAN controller status.`
236			`//`
237			`CAN_STS_CONTROL,`
238
239			`//`
240			`//! Read the full 32-bit mask of message objects with a transmit request`
241			`//! set.`
242			`//`
243			`CAN_STS_TXREQUEST,`
244
245			`//`
246			`//! Read the full 32-bit mask of message objects with new data available.`
247			`//`
248			`CAN_STS_NEWDAT,`
249
250			`//`
251			`//! Read the full 32-bit mask of message objects that are enabled.`
252			`//`
253			`CAN_STS_MSGVAL`
254			`}`
255			`tCANStsReg;`
256
257			`//*****************************************************************************`
258			`//`
259			`//! These definitions are used to specify interrupt sources to CANIntEnable()`
260			`//! and CANIntDisable().`
261			`//`
262			`//*****************************************************************************`
263			`typedef enum`
264			`{`
265			`//`
266			`//! This flag is used to allow a CAN controller to generate error`
267			`//! interrupts.`
268			`//`
269			`CAN_INT_ERROR = 0x00000008,`
270
271			`//`
272			`//! This flag is used to allow a CAN controller to generate status`
273			`//! interrupts.`
274			`//`
275			`CAN_INT_STATUS = 0x00000004,`
276
277			`//`
278			`//! This flag is used to allow a CAN controller to generate any CAN`
279			`//! interrupts. If this is not set, then no interrupts will be generated`
280			`//! by the CAN controller.`
281			`//`
282			`CAN_INT_MASTER = 0x00000002`
283			`}`
284			`tCANIntFlags;`
285
286			`//*****************************************************************************`
287			`//`
288			`//! This definition is used to determine the type of message object that will`
289			`//! be set up via a call to the CANMessageSet() API.`
290			`//`
291			`//*****************************************************************************`
292			`typedef enum`
293			`{`
294			`//`
295			`//! Transmit message object.`
296			`//`
297			`MSG_OBJ_TYPE_TX,`
298
299			`//`
300			`//! Transmit remote request message object`
301			`//`
302			`MSG_OBJ_TYPE_TX_REMOTE,`
303
304			`//`
305			`//! Receive message object.`
306			`//`
307			`MSG_OBJ_TYPE_RX,`
308
309			`//`
310			`//! Receive remote request message object.`
311			`//`
312			`MSG_OBJ_TYPE_RX_REMOTE,`
313
314			`//`
315			`//! Remote frame receive remote, with auto-transmit message object.`
316			`//`
317			`MSG_OBJ_TYPE_RXTX_REMOTE`
318			`}`
319			`tMsgObjType;`
320
321			`//*****************************************************************************`
322			`//`
323			`//! The following enumeration contains all error or status indicators that can`
324			`//! be returned when calling the CANStatusGet() function.`
325			`//`
326			`//*****************************************************************************`
327			`typedef enum`
328			`{`
329			`//`
330			`//! CAN controller has entered a Bus Off state.`
331			`//`
332			`CAN_STATUS_BUS_OFF = 0x00000080,`
333
334			`//`
335			`//! CAN controller error level has reached warning level.`
336			`//`
337			`CAN_STATUS_EWARN = 0x00000040,`
338
339			`//`
340			`//! CAN controller error level has reached error passive level.`
341			`//`
342			`CAN_STATUS_EPASS = 0x00000020,`
343
344			`//`
345			`//! A message was received successfully since the last read of this status.`
346			`//`
347			`CAN_STATUS_RXOK = 0x00000010,`
348
349			`//`
350			`//! A message was transmitted successfully since the last read of this`
351			`//! status.`
352			`//`
353			`CAN_STATUS_TXOK = 0x00000008,`
354
355			`//`
356			`//! This is the mask for the last error code field.`
357			`//`
358			`CAN_STATUS_LEC_MSK = 0x00000007,`
359
360			`//`
361			`//! There was no error.`
362			`//`
363			`CAN_STATUS_LEC_NONE = 0x00000000,`
364
365			`//`
366			`//! A bit stuffing error has occurred.`
367			`//`
368			`CAN_STATUS_LEC_STUFF = 0x00000001,`
369
370			`//`
371			`//! A formatting error has occurred.`
372			`//`
373			`CAN_STATUS_LEC_FORM = 0x00000002,`
374
375			`//`
376			`//! An acknowledge error has occurred.`
377			`//`
378			`CAN_STATUS_LEC_ACK = 0x00000003,`
379
380			`//`
381			`//! The bus remained a bit level of 1 for longer than is allowed.`
382			`//`
383			`CAN_STATUS_LEC_BIT1 = 0x00000004,`
384
385			`//`
386			`//! The bus remained a bit level of 0 for longer than is allowed.`
387			`//`
388			`CAN_STATUS_LEC_BIT0 = 0x00000005,`
389
390			`//`
391			`//! A CRC error has occurred.`
392			`//`
393			`CAN_STATUS_LEC_CRC = 0x00000006,`
394
395			`//`
396			`//! This is the mask for the CAN Last Error Code (LEC).`
397			`//`
398			`CAN_STATUS_LEC_MASK = 0x00000007`
399			`}`
400			`tCANStatusCtrl;`
401
402			`//*****************************************************************************`
403			`//`
404			`// API Function prototypes`
405			`//`
406			`//*****************************************************************************`
407			`extern void CANInit(unsigned long ulBase);`
408			`extern void CANEnable(unsigned long ulBase);`
409			`extern void CANDisable(unsigned long ulBase);`
410			`extern void CANSetBitTiming(unsigned long ulBase, tCANBitClkParms *pClkParms);`
411			`extern void CANGetBitTiming(unsigned long ulBase, tCANBitClkParms *pClkParms);`
412			`extern unsigned long CANReadReg(unsigned long ulRegAddress);`
413			`extern void CANWriteReg(unsigned long ulRegAddress, unsigned long ulRegValue);`
414			`extern void CANMessageSet(unsigned long ulBase, unsigned long ulObjID,`
415			`tCANMsgObject *pMsgObject, tMsgObjType eMsgType);`
416			`extern void CANMessageGet(unsigned long ulBase, unsigned long ulObjID,`
417			`tCANMsgObject *pMsgObject, tBoolean bClrPendingInt);`
418			`extern unsigned long CANStatusGet(unsigned long ulBase, tCANStsReg eStatusReg);`
419			`extern void CANMessageClear(unsigned long ulBase, unsigned long ulObjID);`
420			`extern void CANIntRegister(unsigned long ulBase, void (*pfnHandler)(void));`
421			`extern void CANIntUnregister(unsigned long ulBase);`
422			`extern void CANIntEnable(unsigned long ulBase, unsigned long ulIntFlags);`
423			`extern void CANIntDisable(unsigned long ulBase, unsigned long ulIntFlags);`
424			`extern void CANIntClear(unsigned long ulBase, unsigned long ulIntClr);`
425			`extern unsigned long CANIntStatus(unsigned long ulBase,`
426			`tCANIntStsReg eIntStsReg);`
427			`extern tBoolean CANRetryGet(unsigned long ulBase);`
428			`extern void CANRetrySet(unsigned long ulBase, tBoolean bAutoRetry);`
429			`extern tBoolean CANErrCntrGet(unsigned long ulBase, unsigned long *pulRxCount,`
430			`unsigned long *pulTxCount);`
431			`extern long CANGetIntNumber(unsigned long ulBase);`
432			`extern void CANReadDataReg(unsigned char pucData, unsigned long pulRegister,`
433			`int iSize);`
434			`extern void CANWriteDataReg(unsigned char pucData, unsigned long pulRegister,`
435			`int iSize);`
436
437			`//*****************************************************************************`
438			`//`
439			`// Mark the end of the C bindings section for C++ compilers.`
440			`//`
441			`//*****************************************************************************`
442			`#ifdef __cplusplus`
443			`}`
444			`#endif`
445
446			`//*****************************************************************************`
447			`//`
448			`// Close the Doxygen group.`
449			`//! @}`
450			`//`
451			`//*****************************************************************************`
452
453			`#endif // __CAN_H__`