SHIFTOUT syntax not understood - can't send any variables contents, while text is ok

[mackrackit]

Try something like

MyVar = $30+Cnt_A
shiftout sdo,SCK,mode,[MyVar]

If that does not work post exactly what the display is displaying.

[flotulopex]

Unfortunately it doesn't work.

I see characters, displayed one by one, just if it would be the display's internal character set that is listed. But it is not exactly following the character's set order; some characters follow correctly the table and then it jumps to some further characters and so on.

Every displayed character appears on the first position of the display which is correct according to the "set cursor home" command.

My LCD is a EA DOGM081x-A and ST7036 controlled.

[HenrikOlsson]

SHIFTOUT sends the content of the variable in "binary" format, not as ASCII text - which I believe is what the display is expecting. It's like sending a variable using HSEROUT where you use the DEC-modifer to send the content of a variable as text instead of as a "raw number".

Unfortunately SHIFTOUT does not (AFAIK) support any modifiers (DEC, HEX etc) so you need to do it manually. This compile but I can not test it.

temp = CNT_A / 1000
GOSUB SendIt

CNT_A = CNT_A - (temp * 1000)
temp = CNT_A / 100
GOSUB SendIt

CNT_A = CNT_A - (temp * 100)
temp = CNT_A / 10
GOSUB SendIt

temp = CNT_A - (temp * 10)
GOSUB SendIt

END

SendIt:
  SHIFTOUT SDO, SCK, MODE, [temp + 48]
RETURN

/Henrik.

[flotulopex]

Thanks a lot Henrik.

Your code works effectively

I'm not used to use the SHIFTOUT command so I got to learn how it works.

Thank you.