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浮华一世为红颜

Build target 'Template'
compiling main.c...
compiling stm32f4xx_it.c...
compiling system_stm32f4xx.c...
compiling misc.c...
compiling stm32f4xx_adc.c...
compiling stm32f4xx_can.c...
compiling stm32f4xx_crc.c...
compiling stm32f4xx_cryp.c...
compiling stm32f4xx_cryp_aes.c...
compiling stm32f4xx_cryp_des.c...
compiling stm32f4xx_cryp_tdes.c...
compiling stm32f4xx_dac.c...
compiling stm32f4xx_dbgmcu.c...
compiling stm32f4xx_dcmi.c...
compiling stm32f4xx_dma2d.c...
compiling stm32f4xx_dma.c...
compiling stm32f4xx_exti.c...
compiling stm32f4xx_flash.c...
compiling stm32f4xx_flash_ramfunc.c...
compiling stm32f4xx_fsmc.c...
compiling stm32f4xx_gpio.c...
compiling stm32f4xx_hash.c...
compiling stm32f4xx_hash_md5.c...
compiling stm32f4xx_hash_sha1.c...
compiling stm32f4xx_i2c.c...
compiling stm32f4xx_iwdg.c...
compiling stm32f4xx_ltdc.c...
compiling stm32f4xx_pwr.c...
compiling stm32f4xx_rcc.c...
compiling stm32f4xx_rng.c...
compiling stm32f4xx_rtc.c...
compiling stm32f4xx_sai.c...
compiling stm32f4xx_sdio.c...
compiling stm32f4xx_spi.c...
compiling stm32f4xx_syscfg.c...
compiling stm32f4xx_tim.c...
compiling stm32f4xx_usart.c...
compiling stm32f4xx_wwdg.c...
compiling delay.c...
compiling sys.c...
compiling usart.c...
compiling led.c...
linking...
..\OBJ\Template.axf: Error: L6218E: Undefined symbol main (referred from __rtentry2.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 1 error messages.
"..\OBJ\Template.axf" - 1 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:24

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提示貌似没有main函数，你试试编译我们例程