File list (Check if you may need any files):
Speex_DemoGG
............\Drivers
............\.......\clock.c
............\.......\clock.h
............\.......\dac.c
............\.......\dac.h
............\.......\dma.c
............\.......\dma.h
............\.......\speexfunc.c
............\.......\speexfunc.h
............\.......\timer.c
............\.......\timer.h
............\EFM32GG990F1024.icf
............\iar
............\...\Demo
............\...\Demo.dep
............\...\Demo.ewd
............\...\Demo.ewp
............\...\Demo.eww
............\...\....\Debug
............\...\....\.....\Exe
............\...\....\.....\List
............\...\....\.....\Obj
............\...\....\Release
............\...\....\.......\Exe
............\...\....\.......\List
............\...\....\.......\Obj
............\...\settings
............\...\........\Demo.cspy.bat
............\...\........\Demo.dbgdt
............\...\........\Demo.dni
............\...\........\Demo.wsdt
............\...\........\Demo_Debug.jlink
............\...\........\Demo_Release.jlink
............\main.c
............\Speex
............\.....\EFM32
............\.....\.....\config.h
............\.....\.....\include
............\.....\.....\.......\speex
............\.....\.....\.......\.....\speex_config_types.h
............\.....\.....\libspeex
............\.....\.....\........\arm
............\.....\.....\........\...\filters_cortexM3.h
............\.....\.....\........\...\ltp_cortexM3.h
............\.....\.....\........\...\vq_cortexM3.h
............\.....\.....\........\cb_search.c
............\.....\.....\........\cb_search_cortexM3.h
............\.....\.....\........\filters.c
............\.....\.....\........\iar
............\.....\.....\........\...\filters_cortexM3.h
............\.....\.....\........\...\filters_cortexM3.s
............\.....\.....\........\...\ltp_cortexM3.h
............\.....\.....\........\...\ltp_cortexM3.s
............\.....\.....\........\...\vq_cortexm3.s
............\.....\.....\........\ltp.c
............\.....\.....\........\modes.c
............\.....\.....\........\nb_celp.c
............\.....\.....\........\quant_lsp.c
............\.....\.....\........\vq.c
............\.....\include
............\.....\.......\speex
............\.....\.......\.....\speex.h
............\.....\.......\.....\speex_bits.h
............\.....\.......\.....\speex_buffer.h
............\.....\.......\.....\speex_callbacks.h
............\.....\.......\.....\speex_echo.h
............\.....\.......\.....\speex_header.h
............\.....\.......\.....\speex_jitter.h
............\.....\.......\.....\speex_preprocess.h
............\.....\.......\.....\speex_resampler.h
............\.....\.......\.....\speex_stereo.h
............\.....\.......\.....\speex_types.h
............\.....\libspeex
............\.....\........\arch.h
............\.....\........\bits.c
............\.....\........\buffer.c
............\.....\........\cb_search.h
............\.....\........\cb_search_arm4.h
............\.....\........\cb_search_bfin.h
............\.....\........\cb_search_sse.h
............\.....\........\exc_10_16_table.c
............\.....\........\exc_10_32_table.c
............\.....\........\exc_20_32_table.c
............\.....\........\exc_5_256_table.c
............\.....\........\exc_5_64_table.c
............\.....\........\exc_8_128_table.c
............\.....\........\fftwrap.c
............\.....\........\fftwrap.h
............\.....\........\filterbank.c
............\.....\........\filterbank.h
............\.....\........\filters.h
............\.....\........\filters_arm4.h
............\.....\........\filters_bfin.h
............\.....\........\filters_sse.h
............\.....\........\fixed_arm4.h
............\.....\........\fixed_arm5e.h
............\.....\........\fixed_bfin.h
............\.....\........\fixed_debug.h
............\.....\........\fixed_generic.h