From 698d0dbda8a4b081103b4a382baa1f99e3f77ceb Mon Sep 17 00:00:00 2001 From: fauxpark Date: Wed, 11 Dec 2019 12:26:40 +1100 Subject: Use `clock_prescale_set()` from avr-libc (#7540) * Use `clock_prescale_set()` from avr-libc * Remove outdated FAQ info --- docs/faq_build.md | 15 --------------- 1 file changed, 15 deletions(-) (limited to 'docs/faq_build.md') diff --git a/docs/faq_build.md b/docs/faq_build.md index 023eab01fa..4c91cb28b1 100644 --- a/docs/faq_build.md +++ b/docs/faq_build.md @@ -111,21 +111,6 @@ https://github.com/tmk/tmk_keyboard/issues/212 https://github.com/tmk/tmk_keyboard/wiki/mbed-cortex-porting#compile-error-cstddef https://developer.mbed.org/forum/mbed/topic/5205/ -## `clock_prescale_set` and `clock_div_1` Not Available -Your toolchain is too old to support the MCU. For example WinAVR 20100110 doesn't support ATMega32u2. - -``` -Compiling C: ../../tmk_core/protocol/lufa/lufa.c -avr-gcc -c -mmcu=atmega32u2 -gdwarf-2 -DF_CPU=16000000UL -DINTERRUPT_CONTROL_ENDPOINT -DBOOTLOADER_SIZE=4096 -DF_USB=16000000UL -DARCH=ARCH_AVR8 -DUSB_DEVICE_ONLY -DUSE_FLASH_DESCRIPTORS -DUSE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)" -DFIXED_CONTROL_ENDPOINT_SIZE=8 -DFIXED_NUM_CONFIGURATIONS=1 -DPROTOCOL_LUFA -DEXTRAKEY_ENABLE -DCONSOLE_ENABLE -DCOMMAND_ENABLE -DVERSION=unknown -Os -funsigned-char -funsigned-bitfields -ffunction-sections -fdata-sections -fno-inline-small-functions -fpack-struct -fshort-enums -fno-strict-aliasing -Wall -Wstrict-prototypes -Wa,-adhlns=obj_alps64/protocol/lufa/lufa.lst -I. -I../../tmk_core -I../../tmk_core/protocol/lufa -I../../tmk_core/protocol/lufa/LUFA-git -I../../tmk_core/common -std=gnu99 -include config.h -MMD -MP -MF .dep/obj_alps64_protocol_lufa_lufa.o.d ../../tmk_core/protocol/lufa/lufa.c -o obj_alps64/protocol/lufa/lufa.o -../../tmk_core/protocol/lufa/lufa.c: In function 'setup_mcu': -../../tmk_core/protocol/lufa/lufa.c:575: warning: implicit declaration of function 'clock_prescale_set' -../../tmk_core/protocol/lufa/lufa.c:575: error: 'clock_div_1' undeclared (first use in this function) -../../tmk_core/protocol/lufa/lufa.c:575: error: (Each undeclared identifier is reported only once -../../tmk_core/protocol/lufa/lufa.c:575: error: for each function it appears in.) -make: *** [obj_alps64/protocol/lufa/lufa.o] Error 1 -``` - - ## BOOTLOADER_SIZE for AVR Note that Teensy2.0++ bootloader size is 2048byte. Some Makefiles may have wrong comment. -- cgit v1.2.3