標(biāo)題:
求知，數(shù)碼管程序編寫時(shí)數(shù)組定義問(wèn)題
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作者:
暮云雨
時(shí)間:
2015-3-25 16:36
標(biāo)題:
求知，數(shù)碼管程序編寫時(shí)數(shù)組定義問(wèn)題
#include<reg51.h>
unsigned char code table1[8] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
unsigned char code table2[17]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
unsigned char code data[8];
void main()
{
unsigned char code data[8];
unsigned char i;
unsigned int j;
for(i=0;i<8;i++)
{
data[i]=table2[i]
}
while(1)
{
unsigned char a;
for(a=0;a<8;a++)
{
P1=table1[i];
P0=data[i];
j=10;
while(j--);
P0=0x00;
}
}
}
錯(cuò)誤
compiling led1.c...
LED1.C(5): error C141: syntax error near 'data'
LED1.C(5): error C141: syntax error near '['
LED1.C(9): error C141: syntax error near 'data'
LED1.C(9): error C141: syntax error near '['
LED1.C(9): error C141: syntax error near ']'
LED1.C(10): error C141: syntax error near 'unsigned'
LED1.C(10): error C202: 'i': undefined identifier
LED1.C(11): error C141: syntax error near 'unsigned'
LED1.C(11): error C202: 'j': undefined identifier
LED1.C(12): error C202: 'i': undefined identifier
LED1.C(14): error C141: syntax error near '['
LED1.C(14): error C202: 'i': undefined identifier
LED1.C(15): error C141: syntax error near '}'
LED1.C(21): error C202: 'i': undefined identifier
LED1.C(22): error C141: syntax error near 'data'
LED1.C(22): error C202: 'i': undefined identifier
LED1.C(24): error C202: 'j': undefined identifier
Target not created
作者:
liaolinhui
時(shí)間:
2015-3-26 00:29
unsigned char code data[8];
這個(gè)不能用code，code是存在ROM里面的，不能改變值，而你這個(gè)是需要改變的，所以要去掉code
作者:
野強(qiáng)強(qiáng)
時(shí)間:
2015-3-26 14:17
樓上言之有理。。。
作者:
安陽(yáng)市新世紀(jì)
時(shí)間:
2015-5-23 14:54
樓上說(shuō)的是呀，通常來(lái)說(shuō)常量都是放在單片機(jī)ROM里的，為了區(qū)別常量變量，51單片機(jī)code及存放在單片機(jī)ROM里
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