you wil find a program that asuure a ethernet communication between EFM32 board with a PC via an ethernet controller enc28j60, you can send udp packet from the board by pressing on the user buttons.

ethernet-UDP\.cproject
ethernet-UDP\.project
ethernet-UDP\.settings\com.silabs.ss.framework.ide.project.sls.core.prefs
ethernet-UDP\.settings\com.silabs.ss.tool.ide.arm.toolchain.iar.prefs
ethernet-UDP\.settings\org.eclipse.cdt.codan.core.prefs
ethernet-UDP\.settings\org.eclipse.cdt.core.prefs
ethernet-UDP\.settings\org.eclipse.cdt.managedbuilder.core.prefs
ethernet-UDP\.settings\org.eclipse.ltk.core.refactoring.prefs
ethernet-UDP\board\stk3700\display_stk3700.c
ethernet-UDP\board\stk3700\enc28j60_stk3700.c
ethernet-UDP\board\stk3700\FreeRTOSConfig.h
ethernet-UDP\board\stk3700\lwipopts.h
ethernet-UDP\FreeRTOS\license.txt
ethernet-UDP\FreeRTOS\readme.txt
ethernet-UDP\FreeRTOS\Source\croutine.c
ethernet-UDP\FreeRTOS\Source\event_groups.c
ethernet-UDP\FreeRTOS\Source\include\croutine.h
ethernet-UDP\FreeRTOS\Source\include\event_groups.h
ethernet-UDP\FreeRTOS\Source\include\FreeRTOS.h
ethernet-UDP\FreeRTOS\Source\include\list.h
ethernet-UDP\FreeRTOS\Source\include\mpu_wrappers.h
ethernet-UDP\FreeRTOS\Source\include\portable.h
ethernet-UDP\FreeRTOS\Source\include\projdefs.h
ethernet-UDP\FreeRTOS\Source\include\queue.h
ethernet-UDP\FreeRTOS\Source\include\semphr.h
ethernet-UDP\FreeRTOS\Source\include\StackMacros.h
ethernet-UDP\FreeRTOS\Source\include\stdint.readme
ethernet-UDP\FreeRTOS\Source\include\task.h
ethernet-UDP\FreeRTOS\Source\include\timers.h
ethernet-UDP\FreeRTOS\Source\list.c
ethernet-UDP\FreeRTOS\Source\portable\GCC\ARM_CM3\port.c
ethernet-UDP\FreeRTOS\Source\portable\GCC\ARM_CM3\portmacro.h
ethernet-UDP\FreeRTOS\Source\portable\MemMang\heap_1.c
ethernet-UDP\FreeRTOS\Source\portable\readme.txt
ethernet-UDP\FreeRTOS\Source\queue.c
ethernet-UDP\FreeRTOS\Source\readme.txt
ethernet-UDP\FreeRTOS\Source\tasks.c
ethernet-UDP\FreeRTOS\Source\timers.c
ethernet-UDP\GNU ARM v4.8.3 - Debug\board\stk3700\display_stk3700.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\board\stk3700\display_stk3700.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\board\stk3700\enc28j60_stk3700.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\board\stk3700\enc28j60_stk3700.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\board\stk3700\subdir.mk
ethernet-UDP\GNU ARM v4.8.3 - Debug\CMSIS\EFM32LG\startup_efm32lg.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\CMSIS\EFM32LG\subdir.mk
ethernet-UDP\GNU ARM v4.8.3 - Debug\CMSIS\EFM32LG\system_efm32lg.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\CMSIS\EFM32LG\system_efm32lg.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_acmp.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_acmp.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_adc.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_adc.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_aes.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_aes.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_assert.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_assert.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_burtc.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_burtc.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_can.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_can.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_cmu.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_cmu.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_core.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_core.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_cryotimer.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_cryotimer.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_crypto.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_crypto.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_csen.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_csen.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dac.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dac.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dbg.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dbg.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dma.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_dma.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_ebi.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_ebi.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_emu.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_emu.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_gpcrc.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_gpcrc.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_gpio.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_gpio.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_i2c.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_i2c.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_idac.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_idac.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_int.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_int.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_lcd.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_lcd.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_ldma.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_ldma.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_lesense.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_lesense.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_letimer.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_letimer.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_leuart.d
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_leuart.o
ethernet-UDP\GNU ARM v4.8.3 - Debug\emlib\em_mpu.d

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