See a parallel LCD12864 read data function, how to change to a serial read data function (or simply serial can not read data)? Asking for help~
Author:Liu Zheng Time:2021-07-21 13:35 Browse(384)
This you need to see the LCD module information line, from the function can not see whether the serial read, ha ha!
This you need to see the LCD module data line, from the function can not see whether the serial read, ha ha!. This is decided by the driver IC of LCD. Some ICs need to have a blank read before they can read the real data. This read is invalid, so the return value is generally ignored.

See a parallel LCD12864 read data function, how to change to a serial read data function (or simply serial can not read data)? Asking for help~

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