Drop into Error_Handler with HAL_CAN_ERROR_PARAM if CAN send data by HAL_CAN_AddTxMessage
I am using STM32F302RBT6 for CAN communication baud rate 10K. the firmware works on lab system. If download the firmware at field, the system dropped into Error_Handler when CAN sends data.APB1 clock = 8MHz, Pre-scaler = 50, Seg1 = 13, Seg 2 = 2 hcan...