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bouffalolab / bouffalo_sdk

BouffaloSDK is the IOT and MCU software development kit provided by the Bouffalo Lab Team, supports all the series of Bouffalo chips. Also it is the combination of bl_mcu_sdk and bl_iot_sdk
Apache License 2.0
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usb acm not working #166

Closed newluhux closed 7 months ago

newluhux commented 1 year ago

I'm compile the usb acm example & run on RV-Debugger board

but usb acm tx will borken after:

picocom -b 115200 /dev/ttyACM0
.... a lot of a ......
# then press Ctrl-a x exit picocom
cat /dev/ttyACM0
# then press Ctrl-c
picocom -b 115200 /dev/ttyACM0
# now usb acm can't send data from usb device
newluhux commented 1 year ago

use command:

echo 1 > /dev/ttyACM0
picocom -b 115200 /dev/ttyACM0
# serial port tx is borken