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TMS570LS3237 CAN通讯 无法完成初始化

Other Parts Discussed in Thread: HALCOGEN

我在TMS570LS3237 USB Stick上试CAN功能,发现CAN初始化始终无法完成,死在了如下图所示位置

我的配置比较简单:

1)使能DACN1

2)   MsgBox1 接收 ID:0x7FA      MsgBox2 发送 ID:0x7FB

3)使能CAN接收中断 16 CAN1 High

集成代码如下: