Using STC15W408AS and Platformio

[maxgerhardt]

@richard_funnell

#define _P1M0 0x92
SFR(P1M0, 0x92);        //0000,0000  Port 1 Mode Register 0
#define _P1M1 0x91
SFR(P1M1, 0x91);        //0000,0000  Port 1 Mode Register 1

Yes that should be it, so

@maxgerhardt

P1M1 = 0xA0; // 10100000 
P1M0 = 0xC0; // 11000000 

should work.

[richard_funnell]

So do I put this in the main.c file.

This is the build
Compiling .pio\build\stc15w408as\src\main.rel
src\main.c:29: error 1: Syntax error, declaration ignored at ‘P3M1’
src\main.c:29: syntax error: token → ‘=’ ; column 12
src\main.c:30: error 1: Syntax error, declaration ignored at ‘P3M0’
*** [.pio\build\stc15w408as\src\main.rel] Error 1

Do I need MOV or just as you have put it?

[richard_funnell]

I have been putting the Code P1M1 = 0xA0 etc in the wrong place. (before void main() ) that’s why it didn’t work. I have now put the code after void main() and it works fine, tested the pins with a scope to prove it. So will be able to select which pins I need for input only and the other types as well. Thank you for your help.