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Diffstat (limited to 'include/bsp/mscan.h')
| -rw-r--r-- | include/bsp/mscan.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/bsp/mscan.h b/include/bsp/mscan.h new file mode 100644 index 0000000000..9cb7fd44e7 --- /dev/null +++ b/include/bsp/mscan.h @@ -0,0 +1,127 @@ +/*===============================================================*\ +| 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.org/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__ */ |