Rahul Posted January 15, 2019 Share Posted January 15, 2019 Hi, I am using rockpro64 "https://www.pine64.org/?product=rockpro64-4gb-single-board-computer" that uses Rockchip RK3399 Hexa-Core (dual ARM Cortex A72 and quad ARM Cortex A53) 64-Bit Processor. My simple application is to have a UART communication. When i run serial write with 1500000 Baudrate, then it works fine. But if i lower the baudrate such as 115200, then it throws garbage value. So can i get some suggestions here? Thanks. Link to comment Share on other sites More sharing options...
NicoD Posted January 15, 2019 Share Posted January 15, 2019 The baudrate is 1500000. It's as simple as that. A lower baudrate makes it so that you can't communicate with it, since it's not the right baudrate. Link to comment Share on other sites More sharing options...
chwe Posted January 15, 2019 Share Posted January 15, 2019 2 hours ago, NicoD said: It's as simple as that. no.. It could probably set to 115200 in DT. but then it had to be changed in u-boot as well.. and to keep stuff in a proper order.. for all RK3399 boards.. Is it worth to write a whole patchseries just for such a change.. I thought about it but I'm not sure.. Link to comment Share on other sites More sharing options...
martinayotte Posted January 15, 2019 Share Posted January 15, 2019 1 minute ago, chwe said: Is it worth to write a whole patchseries just for such a change.. I don't think it is worth the effort, what would be the gain ? ... Link to comment Share on other sites More sharing options...
chwe Posted January 16, 2019 Share Posted January 16, 2019 my UART script which does some funny monitoring in case the SBC doesn't respond anymore wouldn't need a $BAUDRATE variable anymore.... The only gain IMO is that all other armbian supported SBCs run (to my knowledge) at 115200... But as said.. Don't think it's really worth it.. Link to comment Share on other sites More sharing options...
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