YONGA-CAN Controller is a partial implementation of CAN 2.0B standard. Currently supported functionalities are:
- Transmit DATA FRAME in standard format
| Offset | Name | Description | Type |
|---|---|---|---|
0x0 |
BAUD_RATE_CFG | Baud Rate Configuration Register | REG |
0x4 |
MSG_ID | Message ID Register | REG |
0x8 |
MSG_CFG | Message Type and Length Register | REG |
0xC |
DATA_REG1 | Data Register 1 | REG |
0x10 |
DATA_REG2 | Data Register 2 | REG |
0x14 |
SYS_CFG | IP Config Register | REG |
0x18 |
SYS_CTRL_STS | IP Control and Status Register | REG |
| Offset | Name | Description | Type | Access | Attributes | Reset |
|---|---|---|---|---|---|---|
0x0 |
BAUD_RATE_CFG | Baud Rate Configuration Register | REG | R/W | 0x0 |
|
| [8:0] TSEG2 | Time Quanta Count for Phase Buffer Segment 2 | 0x0 |
||||
| [17:9] TSEG1 | Time Quanta Count for Propagation Time Segment and Phase Buffer Segment 1 | 0x0 |
||||
| [26:18] BRP | Baud Rate Prescaler | 0x0 |
||||
| [31:27] SJW | Syncronization Jump Width | 0x0 |
||||
0x4 |
MSG_ID | Message ID Register | REG | R/W | 0x0 |
|
| [17:0] EID | Message EID | 0x0 |
||||
| [18] IDE | Message ID Extension Flag | 0x0 |
||||
| [29:19] SID | Message SID | 0x0 |
||||
0x8 |
MSG_CFG | Message Type and Length Register | REG | R/W | 0x0 |
|
| [3:0] DLC | Data Length Code | 0x0 |
||||
| [4] RTR | Remote Transmit Request Flag | 0x0 |
||||
0xC |
DATA_REG1 | Data Register 1 | REG | R/W | 0x0 |
|
| [7:0] DATA_BYTE_0 | Data Byte 0 | 0x0 |
||||
| [15:8] DATA_BYTE_1 | Data Byte 1 | 0x0 |
||||
| [23:16] DATA_BYTE_2 | Data Byte 2 | 0x0 |
||||
| [31:24] DATA_BYTE_3 | Data Byte 3 | 0x0 |
||||
0x10 |
DATA_REG2 | Data Register 2 | REG | R/W | 0x0 |
|
| [7:0] DATA_BYTE_4 | Data Byte 4 | 0x0 |
||||
| [15:8] DATA_BYTE_5 | Data Byte 5 | 0x0 |
||||
| [23:16] DATA_BYTE_6 | Data Byte 6 | 0x0 |
||||
| [31:24] DATA_BYTE_7 | Data Byte 7 | 0x0 |
||||
0x14 |
SYS_CFG | IP Config Register | REG | R/W | 0x0 |
|
| [0] MODE | IP Mode Select | 0x0 |
||||
| BUS_MODE = 0, LOOPBACK_MODE = 1 | ||||||
| [1] ENABLE | IP Enable Flag | 0x0 |
||||
0x18 |
SYS_CTRL_STS | IP Control and Status Register | REG | R/W | 0x0 |
|
| [0] SEND | Send Message | self-clearing | 0x0 |
|||
| [3:1] STATUS_CODE | Operation Status Code | 0x0 |
||||
| TX_SUCCESSFUL = 1, ARBITRATION_LOST = 2, TX_FAILED = 4 |
Generated on 2022-09-06 at 12:53 (UTC) by airhdl version 2022.08.2-618538036
- This test is meant to verify that we can send a DATA FRAME in standard format.
To run RTL simulation,
cd $UPRJ_ROOT
make verify-can_test_1-rtlcd $UPRJ_ROOT
# Run openlane to harden user_proj_example
make user_proj_example
# Run openlane to harden user_project_wrapper
make user_project_wrapperIn alphabetical order:
- Hanim Ay
- Okan Yagiz