Lcd i2c VDL CODE GROVE 16X2 V2

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#1

Hello .
lcd i2c , I need the flowchart, how to read ascii character from lcd, ROM or RAM ,to write it to lcd ?
or
what next steps require after initial to write ascii letter to lcd.
I need it to write vhdl code.
I use grove 16x2 v2.

Regards Raphy

#2

what are the next steps after initial requeued to read ascii letters from Ram.