warning: implicit declaration of function

bhagavath812anish · 12-02-2010, 01:36 AM

i found error as follow

sdcard.c: In function ‘SDCardInit’:
sdcard.c:17: warning: implicit declaration of function ‘SPI1Byte’
sdcard.c:21: warning: implicit declaration of function ‘SPI1Send’
sdcard.c:49: warning: implicit declaration of function ‘CRC16Bit_GenTable’

how to clear this error

Nylex · 12-02-2010, 02:22 AM

You need to include the headers that provide prototypes for those functions. They're also just warnings, not errors..

Edit: also, I've reported your post for splitting into a new thread. This thread is, well, 5 years old, so a new thread would have been better.