It is a stm32 project, about in stm32 use 74hc595 extend IO

k514\f1ap.build_log.htm
....\f1ap.map
....\inc\core_cm3.h
....\...\misc.h
....\...\stm32f10x.h
....\...\stm32f10x_adc.h
....\...\stm32f10x_bkp.h
....\...\stm32f10x_can.h
....\...\stm32f10x_cec.h
....\...\stm32f10x_conf.h
....\...\stm32f10x_crc.h
....\...\stm32f10x_dac.h
....\...\stm32f10x_dbgmcu.h
....\...\stm32f10x_dma.h
....\...\stm32f10x_exti.h
....\...\stm32f10x_flash.h
....\...\stm32f10x_fsmc.h
....\...\stm32f10x_gpio.h
....\...\stm32f10x_i2c.h
....\...\stm32f10x_it.h
....\...\stm32f10x_iwdg.h
....\...\stm32f10x_pwr.h
....\...\stm32f10x_rcc.h
....\...\stm32f10x_rtc.h
....\...\stm32f10x_sdio.h
....\...\stm32f10x_spi.h
....\...\stm32f10x_tim.h
....\...\stm32f10x_usart.h
....\...\stm32f10x_wwdg.h
....\...\system_stm32f10x.h
....\JLinkLog.txt
....\JLinkSettings.ini
....\obj\74hc595.crf
....\...\74hc595.d
....\...\74hc595.o
....\...\app.crf
....\...\app.d
....\...\app.o
....\...\app_move.crf
....\...\app_move.d
....\...\app_move.o
....\...\app_password.crf
....\...\app_password.d
....\...\app_user.crf
....\...\app_user.d
....\...\app_user.o
....\...\app_var.crf
....\...\app_var.d
....\...\app_var.o
....\...\core_cm3.crf
....\...\core_cm3.d
....\...\core_cm3.o
....\...\delay.crf
....\...\delay.d
....\...\delay.o
....\...\diskio.crf
....\...\diskio.d
....\...\diskio.o
....\...\eeprom_i2c.crf
....\...\eeprom_i2c.d
....\...\eeprom_i2c.o
....\...\exshell.crf
....\...\exshell.d
....\...\exshell.o
....\...\ExtDll.iex
....\...\f1ap.axf
....\...\f1ap.bin
....\...\f1ap.build_log.htm
....\...\f1ap.hex
....\...\f1ap.htm
....\...\f1ap.lnp
....\...\f1ap.sct
....\...\f1ap_sct.Bak
....\...\ff.crf
....\...\ff.d
....\...\ff.o
....\...\file.crf
....\...\file.d
....\...\file.o
....\...\file_user.crf
....\...\file_user.d
....\...\file_user.o
....\...\fsmc_cpld.crf
....\...\fsmc_cpld.d
....\...\fsmc_cpld.o
....\...\gpio.crf
....\...\gpio.d
....\...\gpio.o
....\...\iap.crf
....\...\iap.d
....\...\iap.o
....\...\lcd.crf
....\...\lcd.d
....\...\lcd.o
....\...\lcd_base.crf
....\...\lcd_base.d
....\...\lcd_base.o
....\...\main.crf
....\...\main.d
....\...\main.o

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