为什么我加这那个usb_init();不能输出HEX。错误 L128: 提及未解决的外部
#include "COMM\stc.h"#include "COMM\usb.h"
sfr P0=0x80;
sfr P0M1=0x93;
sfr P0M0=0x94;
void sys_init();
void DelayXms(int n);
char *USER_DEVICEDESC=NULL;
char *USER_PRODUCTDESC=NULL;
char *USER_STCISPCMD= "@STCISP#";
void main()
{
sys_init();
usb_init();
EA=1;
P0M0=0x00;
P0M1=0x00;
while(1)
{
P0++;
}
}
void sys_init()
{
WTST = 0;//ÉèÖóÌÐòÖ¸ÁîÑÓʱ²ÎÊý£¬¸³ÖµÎª0¿É½«CPUÖ´ÐÐÖ¸ÁîµÄËÙ¶ÈÉèÖÃΪ×î¿ì
EAXFR = 1; //À©Õ¹¼Ä´æÆ÷(XFR)·ÃÎÊʹÄÜ
CKCON = 0; //Ìá¸ß·ÃÎÊXRAMËÙ¶È
P0M1 = 0x30; P0M0 = 0x30; //ÉèÖÃP0.4¡¢P0.5Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)
P1M1 = 0x32; P1M0 = 0x32; //ÉèÖÃP1.1¡¢P1.4¡¢P1.5Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V), P1.1ÔÚPWMµ±DACµç·ͨ¹ýµç×è´®Áªµ½P2.3
P2M1 = 0x3c; P2M0 = 0x3c; //ÉèÖÃP2.2~P2.5Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)£¬ÉèÖÿªÂ©Ä£Ê½ÐèÒª¶Ï¿ªPWMµ±DACµç·ÖеÄR2µç×è
P3M1 = 0x50; P3M0 = 0x50; //ÉèÖÃP3.4¡¢P3.6Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)
P4M1 = 0x3c; P4M0 = 0x3c; //ÉèÖÃP4.2~P4.5Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)
P5M1 = 0x0c; P5M0 = 0x0c; //ÉèÖÃP5.2¡¢P5.3Ϊ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)
P6M1 = 0xff; P6M0 = 0xff; //ÉèÖÃΪ©¼«¿ªÂ·(ʵÑéÏä¼ÓÁËÉÏÀµç×èµ½3.3V)
P7M1 = 0x00; P7M0 = 0x00; //ÉèÖÃΪ׼˫Ïò¿Ú
//ÉèÖÃUSBʹÓõÄʱÖÓÔ´
IRC48MCR = 0x80; //ʹÄÜÄÚ²¿48M¸ßËÙIRC
while (!(IRC48MCR & 0x01));//µÈ´ýʱÖÓÎȶ¨
}
你的USB库配套代码没有写全，例如：
if (bUsbOutReady)
{
usb_OUT_done(); //接收应答（固定格式）
}
官网“软件工具”-“库函数”页面有USB库使用的基本例程可以参考：
页:
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