标题:
error C202: sCode': undefined identifier
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作者:
左右尤你
时间:
2023-11-4 13:37
标题:
error C202: sCode': undefined identifier
求大神帮助一下啊 报错了
#include <reg52.h>
#include <intrins.h>
unsigned char code SEGtable[]=
{
0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0x00
};
unsigned char code keycodetable[]=
{
0x11,0x12,0x14,0x18,0x21,0x22,0x24,0x28,0x41,0x42,0x44,0x48,0x81,0x82,0x84,0x88
};
void delay()
{
unsigned char i;
for(i=0;i<200;i++);
}
unsigned char keys_scan()
{
unsigned char scode,kcode,i,k;
P1=0xf0;
if((P1&0xf0)!=0xf0)
{
delay();
if((P1&0xf0)!=0xf0)
{
scode=0xfe;
for(k=0;k<4;k++)
{
P1=scode;
if((P1&0xf0)!=0xf0)
{
kcode=P1;
for(i=0;i<16;i++)
{
if(kcode == keycodetable[i])
return i;
}
}
else
sCode = _cro1_(scode,1);
}
}
}
return -1;
}
unsigned char switchkeyno(unsigned char temp)
{
unsigned char keypadno;
switch(temp)
{
case 0: keypadno = 7; break;
case 1: keypadno = 7; break;
case 2: keypadno = 1; break;
case 3: keypadno = 10; break;
case 4: keypadno = 8; break;
case 5: keypadno = 5; break;
case 6: keypadno = 2; break;
case 7: keypadno = 0; break;
case 8: keypadno = 9; break;
case 9: keypadno = 6; break;
case 10: keypadno = 3; break;
case 11: keypadno = 11; break;
case 12: keypadno = 12; break;
case 13: keypadno = 13; break;
case 14: keypadno = 14; break;
case 15: keypadno = 15; break;
default:{}
}
return keypadno;
}
int main(void)
{
unsigned char keyno = -1;
while(1)
{
keyno = keys_scon();
if(keyno != -1)
{
P2 = SEGtable[switchkeyno(keyno)];
}
}
}
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2023-11-4 13:37 上传
作者:
zhuls
时间:
2023-11-4 14:26
sCode = _cro1_(scode,1);
sCode = _crol_(scode,1);
作者:
Hephaestus
时间:
2023-11-4 14:40
c语言是区分大小写的,你只定义了scode,sCode是完全不同的另一个变量,你没有定义。
作者:
chxelc
时间:
2023-11-4 15:43
板凳正解
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