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Altera_Forum
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11 years ago

LCD Procedure code

I need a procedure to write a word in the lcd that I can call any time, so i thought of something like this: procedure write1 is variable cont1: integer range 0 to 18; begin for cont1 in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

You're using vhdl like c. A sequential circuit with no clock. Mmmm....

What I do: I'll write a simple module that control the timing of the lcd_enable signal. You fire it with a start input and this acknowledges with an end_tick signal when it finishes. Then I'll instantiate this module inside a state machine that sends the comands and ascii to lcd.