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How to wake up i.MX6Q from suspend by can frames while TJA1044 is in standby mode

Question asked by Mason Yen on Aug 11, 2019

i.MX6Q system enters suspend state by "echo mem > /sys/power/state". While TAJ1043 is in normal mode, i.MX6Q system can be waked up by can frames. But when TJA1043 is in standby mode, i.MX6Q system cannot be waked up by can frames. The TTJA1044 RXD did switch low after sending CAN frames.

 

How to wake up i.MX6Q from suspend by can frames while TJA1044 is also in standby mode

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