victorcasadoz/avr-lufa-dual-bootloader

LUFA based AVR MCUs dual Bootloader

avr-lufa-dual-bootloader's Issues

Get error when compile

when i compile i got this error:
avr-gcc (WinAVR 20100110) 4.3.3
Copyright (C) 2008 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[GCC] : Compiling C file "USBtoSerial.c"
avr-gcc -c -pipe -gdwarf-2 -g2 -mmcu=atmega8u2 -fshort-enums -fno-inline-small-functions -fpack-struct -Wall -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections -I. -DARCH=ARCH_AVR8 -DF_CPU=16000000UL -mrelax -fno-jump-tables -x c -Os -std=gnu99 -Wstrict-prototypes -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DAVR_RESET_LINE_PORT="PORTC" -DAVR_RESET_LINE_DDR="DDRC" -DAVR_RESET_LINE_MASK="(1 << 7)" -DAVR_ERASE_LINE_PORT="PORTC" -DAVR_ERASE_LINE_DDR="DDRC" -DAVR_ERASE_LINE_MASK="(1 << 6)" -I. -I../../LUFA/.. -DARCH=ARCH_AVR8 -DBOARD=BOARD_USBKEY -DF_USB=16000000UL -MMD -MP -MF obj/USBtoSerial.d USBtoSerial.c -o obj/USBtoSerial.o
USBtoSerial.c: In function 'SetupHardware':
USBtoSerial.c:154: warning: implicit declaration of function 'clock_prescale_set'
USBtoSerial.c:154: error: 'clock_div_1' undeclared (first use in this function)
USBtoSerial.c:154: error: (Each undeclared identifier is reported only once
USBtoSerial.c:154: error: for each function it appears in.)
make: *** [obj/USBtoSerial.o] Error 1