MEL PICBASIC Forum - Chris Barron

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Recent Forum Posts

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

Well, ok then. BL stands for the back light. But where does it get set?

Ioannis
Ioannis Today, 14:49

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

One var is B1 the other is BL, as in bl for bachlight .
I would need to paid more for properly named vars and valid meaningful comments
richard Today, 14:40

Re: Can't reliably transfer over serial connection between two PICs

"I didn't see the problem, therefore it doesn't exist "

Famous last words. Just ask Murphy.
tumbleweed Today, 13:14

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

what is that bl (second line after main)? I guess bl should be b1.

But then, if b1 gets a 0 from the serial in, how the if-then's will work?

Ioannis
Ioannis Today, 11:50

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

for my money i would let pbp do all the heavy lifting and leverage their nice efficent routines like this

works for 4 or 8 bit mode and all

...
richard Today, 10:53

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

I know you have already done your PCBs, but an idea for future update, might be to include other type of Character LCDs like:

2x20,
2x40,
4x16
4x20

and be able the user to select these with...
Ioannis Today, 10:45

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

thanks, to clarify
jackberg1 Today, 09:30

Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780

I meant the LCD timing specs that have differencies. So the end user may have to take into account that.

Things to adjust include these DEFINEs (from the manual):

' Set command delay time in us...
Ioannis Today, 07:32

Re: Can't reliably transfer over serial connection between two PICs

its not a valid test, it means nothing. shiftout clock timing for a slave is synchronous , serin serout are asynchronous
pbp has no synchronous reception commands as a slave device
richard Today, 05:43

Re: Can't reliably transfer over serial connection between two PICs

Yes, it is same 1936 which is running MIBAM.
So to check theory about whenever MIBAM causes issues to serial timings, I've connected 16 led strip (longest I had at moment) with APA102Cs to it, and...
CuriousOne Today, 05:33

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