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|
/*===============================================================*\
| Project: RTEMS generic MPC5200 BSP |
+-----------------------------------------------------------------+
| Partially based on the code references which are named below. |
| Adaptions, modifications, enhancements and any recent parts of |
| the code are: |
| Copyright (c) 2005 |
| Embedded Brains GmbH |
| Obere Lagerstr. 30 |
| D-82178 Puchheim |
| Germany |
| rtems@embedded-brains.de |
+-----------------------------------------------------------------+
| The license and distribution terms for this file may be |
| found in the file LICENSE in this distribution or at |
| |
| http://www.rtems.com/license/LICENSE. |
| |
+-----------------------------------------------------------------+
| this file has to be included by application when using mscan |
\*===============================================================*/
#ifndef __MSCAN_H__
#define __MSCAN_H__
#ifdef __cplusplus
extern "C" {
#endif
#define MSCAN_A_DEV_NAME "/dev/mscana"
#define MSCAN_B_DEV_NAME "/dev/mscanb"
#define MSCAN_0_DEV_NAME "/dev/mscan0"
#define MSCAN_1_DEV_NAME "/dev/mscan1"
#define MSCAN_A 0
#define MSCAN_B 1
#define MSCAN_MAX_DATA_BYTES 8
#define MSCAN_MESS_ID_RTR (1 << 15)
#define MSCAN_MESS_ID_RTR_MASK (1 << 15)
#define MSCAN_MESS_ID_ID_MASK ((1 << 11)-1)
#define MSCAN_MESS_ID_HAS_RTR(id) (((id)&MSCAN_MESS_ID_RTR_MASK)==MSCAN_MESS_ID_RTR)
#define MSCAN_SET_RX_ID 1
#define MSCAN_GET_RX_ID 2
#define MSCAN_SET_RX_ID_MASK 3
#define MSCAN_GET_RX_ID_MASK 4
#define MSCAN_SET_TX_ID 5
#define MSCAN_GET_TX_ID 6
#define TOUCAN_MSCAN_INIT 7
#define MSCAN_SET_BAUDRATE 8
#define SET_TX_BUF_NO 9
struct can_message
{
/* uint16_t mess_len; */
uint16_t mess_id;
uint16_t mess_time_stamp;
uint8_t mess_data[MSCAN_MAX_DATA_BYTES];
uint8_t mess_len;
uint8_t mess_rtr;
uint32_t toucan_tx_idx;
};
struct mscan_rx_parms
{
struct can_message *rx_mess;
uint32_t rx_timeout;
uint8_t rx_flags;
};
struct mscan_tx_parms
{
struct can_message *tx_mess;
uint32_t tx_idx;
};
struct mscan_ctrl_parms
{
uint32_t ctrl_id;
uint32_t ctrl_id_mask;
uint8_t ctrl_reg_no;
uint8_t ctrl_tx_buf_no;
uint32_t ctrl_can_bitrate;
void (*toucan_cb_fnc)(int16_t);
};
rtems_device_driver mscan_initialize( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_open( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_close( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_read( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_write( rtems_device_major_number,
rtems_device_minor_number,
void *
);
rtems_device_driver mscan_control( rtems_device_major_number,
rtems_device_minor_number,
void *
);
#define MSCAN_DRIVER_TABLE_ENTRY \
{ mscan_initialize, mscan_open, mscan_close, \
mscan_read, mscan_write, mscan_control }
#ifdef __cplusplus
}
#endif
#endif /* __MSCAN_H__ */
|
