winavr 中编译出现问题： undefined reference to ， 如何解决！ 请大家帮帮忙， 谢谢！

lslyux123456

DigitalPhotoFrame.o: In function `DisplayPhoto320x240':
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:186: undefined reference to `write_com'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:187: undefined reference to `write_com'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:188: undefined reference to `send_command'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:194: undefined reference to `SD_ReadSingleBlock'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:209: undefined reference to `SD_ReadSingleBlock'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:217: undefined reference to `send_data'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:228: undefined reference to `SD_ReadSingleBlock'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:234: undefined reference to `send_data'
DigitalPhotoFrame.o: In function `main':
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:61: undefined reference to `SPI_init'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:63: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:65: undefined reference to `lcd_init'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:66: undefined reference to `USART_init'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:68: undefined reference to `DispOneColor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:70: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:71: undefined reference to `send_command'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:72: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:73: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:77: undefined reference to `send_command'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:78: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:79: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:80: undefined reference to `SD_Init'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:81: undefined reference to `SD_Reset'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:88: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:91: undefined reference to `Read_SD_Reg'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:94: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:95: undefined reference to `Get_SD_card_CID_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:99: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:102: undefined reference to `Read_SD_Reg'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:105: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:106: undefined reference to `Get_SD_card_CSD_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:110: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:113: undefined reference to `Read_SD_Reg'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:116: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:117: undefined reference to `Get_SD_card_OCR_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:121: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:125: undefined reference to `Read_SD_Reg'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:126: undefined reference to `Read_SD_Reg'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:129: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:130: undefined reference to `Get_SD_card_SCR_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:134: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:137: undefined reference to `Get_SD_card_Volume_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:138: undefined reference to `DrawString'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:139: undefined reference to `DispNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:141: undefined reference to `Get_FAT_BPB_Infor'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:143: undefined reference to `Calculate_FirstRootDirSecNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:147: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:148: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:149: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:150: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:151: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:152: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:153: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:154: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:155: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:156: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:157: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:158: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:159: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:160: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:161: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:162: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:163: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:164: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:165: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:166: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:167: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:168: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:169: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:170: undefined reference to `DelayNS'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:171: undefined reference to `FAT_Get_File_FirCluNum'
D:\work3\Digital Photo Frame/DigitalPhotoFrame.c:172: undefined reference to `DelayNS'
make.exe: *** [DigitalPhotoFrame.elf] Error 1

> Process Exit Code: 2
> Time Taken: 00:02

n0831

意思是函数或变量没有定义吧

gloryzkl

我也遇到了类似问题，还在研究解决中

zhongshan9

这个问题现在解决了吗？在下也遇到了……

li_thomas

都转到atmel studio 6去吧，里面例程很多。