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发表于 2023-8-17 15:24:19
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GPIO配置，没试验过。
#include "stc32g.h"
void GPIO_init_pin(int pin,int mode) //初始化单个IO引脚函数
{
int a,b;
u8 c[8]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
a=pin/10;
b=pin%10;
switch(a)
{
case 0:
switch(mode)
{
case 0:P0M0&=c[b]; P0M1&=c[b]; break;
case 1:P0M0|=~c[b]; P0M1&=c[b]; break;
case 2:P0M0&=c[b]; P0M1|=~c[b]; break;
case 3:P0M0|=~c[b]; P0M1|=~c[b]; break;
}
break;
case 1:
switch(mode)
{
case 0:P1M0&=c[b]; P1M1&=c[b]; break;
case 1:P1M0|=~c[b]; P1M1&=c[b]; break;
case 2:P1M0&=c[b]; P1M1|=~c[b]; break;
case 3:P1M0|=~c[b]; P1M1|=~c[b]; break;
}
break;
case 2:
switch(mode)
{
case 0:P2M0&=c[b]; P2M1&=c[b]; break;
case 1:P2M0|=~c[b]; P2M1&=c[b]; break;
case 2:P2M0&=c[b]; P2M1|=~c[b]; break;
case 3:P2M0|=~c[b]; P2M1|=~c[b]; break;
}
break;
case 3:
switch(mode)
{
case 0:P3M0&=c[b]; P3M1&=c[b]; break;
case 1:P3M0|=~c[b]; P3M1&=c[b]; break;
case 2:P3M0&=c[b]; P3M1|=~c[b]; break;
case 3:P3M0|=~c[b]; P3M1|=~c[b]; break;
}
break;
case 4:
switch(mode)
{
case 0:P4M0&=c[b]; P4M1&=c[b]; break;
case 1:P4M0|=~c[b]; P4M1&=c[b]; break;
case 2:P4M0&=c[b]; P4M1|=~c[b]; break;
case 3:P4M0|=~c[b]; P4M1|=~c[b]; break;
}
break;
case 5:
switch(mode)
{
case 0:P5M0&=c[b]; P5M1&=c[b]; break;
case 1:P5M0|=~c[b]; P5M1&=c[b]; break;
case 2:P5M0&=c[b]; P5M1|=~c[b]; break;
case 3:P5M0|=~c[b]; P5M1|=~c[b]; break;
}
break;
case 6:
switch(mode)
{
case 0:P6M0&=c[b]; P6M1&=c[b]; break;
case 1:P6M0|=~c[b]; P6M1&=c[b]; break;
case 2:P6M0&=c[b]; P6M1|=~c[b]; break;
case 3:P6M0|=~c[b]; P6M1|=~c[b]; break;
}
break;
case 7:
switch(mode)
{
case 0:P7M0&=c[b]; P7M1&=c[b]; break;
case 1:P7M0|=~c[b]; P7M1&=c[b]; break;
case 2:P7M0&=c[b]; P7M1|=~c[b]; break;
case 3:P7M0|=~c[b]; P7M1|=~c[b]; break;
}
break;
}
}
bit Get_IO(int IO)
{
bit status;
switch(IO)
{
case 00: status=P00;break;
case 01: status=P01;break;
case 02: status=P02;break;
case 03: status=P03;break;
case 04: status=P04;break;
case 05: status=P05;break;
case 06: status=P06;break;
case 07: status=P07;break;
case 10: status=P10;break;
case 11: status=P11;break;
case 12: status=P12;break;
case 13: status=P13;break;
case 14: status=P14;break;
case 15: status=P15;break;
case 16: status=P16;break;
case 17: status=P17;break;
case 20: status=P20;break;
case 21: status=P21;break;
case 22: status=P22;break;
case 23: status=P23;break;
case 24: status=P24;break;
case 25: status=P25;break;
case 26: status=P26;break;
case 27: status=P27;break;
case 30: status=P30;break;
case 31: status=P31;break;
case 32: status=P32;break;
case 33: status=P33;break;
case 34: status=P34;break;
case 35: status=P35;break;
case 36: status=P36;break;
case 37: status=P37;break;
case 40: status=P40;break;
case 41: status=P41;break;
case 42: status=P42;break;
case 43: status=P43;break;
case 44: status=P44;break;
case 50: status=P50;break;
case 51: status=P51;break;
case 52: status=P52;break;
case 53: status=P53;break;
case 54: status=P54;break;
case 55: status=P55;break;
case 60: status=P60;break;
case 61: status=P61;break;
case 62: status=P62;break;
case 63: status=P63;break;
case 64: status=P64;break;
case 65: status=P65;break;
case 66: status=P66;break;
case 67: status=P67;break;
case 70: status=P70;break;
case 71: status=P71;break;
case 72: status=P72;break;
case 73: status=P73;break;
case 74: status=P74;break;
case 75: status=P75;break;
case 76: status=P76;break;
case 77: status=P77;break;
default: status=1; break; //其他情况
}
return status;
}
void Out_IO(unsigned char IO,bit status)
{
switch(IO)
{
case 00: P00=status;break;
case 01: P01=status;break;
case 02: P02=status;break;
case 03: P03=status;break;
case 04: P04=status;break;
case 05: P05=status;break;
case 06: P06=status;break;
case 07: P07=status;break;
case 10: P10=status;break;
case 11: P11=status;break;
case 12: P12=status;break;
case 13: P13=status;break;
case 14: P14=status;break;
case 15: P15=status;break;
case 16: P16=status;break;
case 17: P17=status;break;
case 20: P20=status;break;
case 21: P21=status;break;
case 22: P22=status;break;
case 23: P23=status;break;
case 24: P24=status;break;
case 25: P25=status;break;
case 26: P26=status;break;
case 27: P27=status;break;
case 30: P30=status;break;
case 31: P31=status;break;
case 32: P32=status;break;
case 33: P33=status;break;
case 34: P34=status;break;
case 35: P35=status;break;
case 36: P36=status;break;
case 37: P37=status;break;
case 40: P40=status;break;
case 41: P41=status;break;
case 42: P42=status;break;
case 43: P43=status;break;
case 44: P44=status;break;
case 50: P50=status;break;
case 51: P51=status;break;
case 52: P52=status;break;
case 53: P53=status;break;
case 54: P54=status;break;
case 55: P55=status;break;
case 60: P60=status;break;
case 61: P61=status;break;
case 62: P62=status;break;
case 63: P63=status;break;
case 64: P64=status;break;
case 65: P65=status;break;
case 66: P66=status;break;
case 67: P67=status;break;
case 70: P70=status;break;
case 71: P71=status;break;
case 72: P72=status;break;
case 73: P73=status;break;
case 74: P74=status;break;
case 75: P75=status;break;
case 76: P76=status;break;
case 77: P77=status;break;
default: break; //其他情况
}
}
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