WebJul 24, 2024 · 实测总线关闭恢复流程. 1/5. 通过CANScope总线分析仪的流量分析功能,可快速分析总线关闭的快恢复和慢恢复时间。. 连接DUT但先不要上电。. 按以下配置,使能接收干扰功能,并开启报文读取功能。. 2/5. 给DUT上电,并采集一段时间报文,停止采集后使用 … WebFeb 24, 2024 · Part Number: SK-TDA4VM Other Parts Discussed in Thread: TDA4VM CAN bus cannot be recovered after bus off happened. After recovered by Cansm, Can_wirte can not executed due to the function "Can_writeGetFreeMsgObj" always returns CAN_BUSY, as the condition canTxStatus == 1,In normal case, the canTxStatus is cleared at the …
Can总线如何检测BUS-OFF-电子工程世界 - EEWorld
WebSep 10, 2024 · A way to generate a bus-off condition is grounding one of the two CAN lines (CAN_High or CAN_Low) which will cause a bus-off condition to the transmitters nodes. When the node is in the bus-off state, the yellow led is toggled. At this point, you should not be any message being transmitted on the bus due to the transmitter node is in bus-off. WebDec 28, 2024 · 如果出现了Bus Off,总线上的节点需要做一些动作,例如重启CAN控制器或是重新上电,但是这些都只是一些补救措施,最根本的还是需要找到引起Bus Off的根源。. 当发生CAN总线关闭时,我们可以检 … bkvcenter.bkad.local
Can总线如何检测BUS-OFF-电子工程世界 - EEWorld
WebJun 16, 2024 · CAN Bus Off 的理解. 1、什么是CAN Bus Off 某个ECU , 一直向总线上发送消息,可怎么都发送不出去( ECU发送失败:发送错误计数 + 8, ECU发送成功:发送错误计数 - 1)如果这个发送错误计数累计到255 (即连续发了32次都失败) ECU进入Busoff模式 2、总线Bus Off之后会做何处理 WebMay 22, 2024 · CAN节点发送数据不成功,首先分析是不是CAN控制器本身的问题,查看CPU中的CAN core的状态寄存器,分析是否有BUS OFF, 如果存在BUS OFF, 则进一步查看具体的错误信息,是主动的错误还是被动的错,发送错误计数有没有超限,最后一次发生的错误状态是什么,查看是 ... daughter reads to son