Other Parts Discussed in Thread: AWR1642
使用了AWR1642开发板测试，连接了PCAN-USBFD，S2拨在SPI一侧。
mmwave_sdk_03_05_00_04\packages\ti\drivers\canfd\test测试了第3项，
[Cortex_R4_0] *******************************************************
CANFD Unit Test Menu
Please select the type of test to execute:
1. MCAN Internal loopback test
2. MCAN External loopback test
3. MCAN Multiple Tx test
4. MCAN External Tx/Rx test
5. MCAN EVM-EVM test
6. MCAN Tx Cancel test
7. MCAN Power down test
8. MCAN Message Id Range test
*******************************************************
> Enter your selection: Debug: Multiple transmission testing
Error: CANFD transmit data retry failed [Error code -3502]
Error: CANFD transmit data retry failed [Error code -3502]
Error: CANFD transmit data retry failed [Error code -3502]
Error: CANFD transmit data retry failed [Error code -3502]
Error: CANFD transmit data retry failed [Error code -3502]
请问这个报错是什么原因？
