Based on keil software, c51 the GPIO port prepared a development process. Can be used to test and understand the GPIO port development programming.

GPIO
....\GPIO.Opt
....\GPIO.Uv2
....\GPIO.plg
....\GPIO_GPIO.dep
....\GPIO_Opt.Bak
....\GPIO_Target 1.dep
....\GPIO_Uv2.Bak
....\JLink Regs CM3.txt
....\JLinkLog.txt
....\JLinkSettings.ini
....\List
....\....\GPIO.map
....\....\cortexm3_macro.lst
....\....\stm32f10x_vector.lst
....\Obj
....\...\GPIO.axf
....\...\GPIO.htm
....\...\GPIO.lnp
....\...\GPIO.plg
....\...\GPIO.sct
....\...\GPIO.tra
....\...\cortexm3_macro.d
....\...\cortexm3_macro.o
....\...\main.crf
....\...\main.d
....\...\main.o
....\...\stm32f10x_adc.crf
....\...\stm32f10x_adc.d
....\...\stm32f10x_adc.o
....\...\stm32f10x_bkp.crf
....\...\stm32f10x_bkp.d
....\...\stm32f10x_bkp.o
....\...\stm32f10x_can.crf
....\...\stm32f10x_can.d
....\...\stm32f10x_can.o
....\...\stm32f10x_crc.crf
....\...\stm32f10x_crc.d
....\...\stm32f10x_crc.o
....\...\stm32f10x_dac.crf
....\...\stm32f10x_dac.d
....\...\stm32f10x_dac.o
....\...\stm32f10x_dbgmcu.crf
....\...\stm32f10x_dbgmcu.d
....\...\stm32f10x_dbgmcu.o
....\...\stm32f10x_dma.crf
....\...\stm32f10x_dma.d
....\...\stm32f10x_dma.o
....\...\stm32f10x_exti.crf
....\...\stm32f10x_exti.d
....\...\stm32f10x_exti.o
....\...\stm32f10x_flash.crf
....\...\stm32f10x_flash.d
....\...\stm32f10x_flash.o
....\...\stm32f10x_fsmc.crf
....\...\stm32f10x_fsmc.d
....\...\stm32f10x_fsmc.o
....\...\stm32f10x_gpio.crf
....\...\stm32f10x_gpio.d
....\...\stm32f10x_gpio.o
....\...\stm32f10x_i2c.crf
....\...\stm32f10x_i2c.d
....\...\stm32f10x_i2c.o
....\...\stm32f10x_it.crf
....\...\stm32f10x_it.d
....\...\stm32f10x_it.o
....\...\stm32f10x_iwdg.crf
....\...\stm32f10x_iwdg.d
....\...\stm32f10x_iwdg.o
....\...\stm32f10x_lib.crf
....\...\stm32f10x_lib.d
....\...\stm32f10x_lib.o
....\...\stm32f10x_nvic.crf
....\...\stm32f10x_nvic.d
....\...\stm32f10x_nvic.o
....\...\stm32f10x_pwr.crf
....\...\stm32f10x_pwr.d
....\...\stm32f10x_pwr.o
....\...\stm32f10x_rcc.crf
....\...\stm32f10x_rcc.d
....\...\stm32f10x_rcc.o
....\...\stm32f10x_rtc.crf
....\...\stm32f10x_rtc.d
....\...\stm32f10x_rtc.o
....\...\stm32f10x_sdio.crf
....\...\stm32f10x_sdio.d
....\...\stm32f10x_sdio.o
....\...\stm32f10x_spi.crf
....\...\stm32f10x_spi.d
....\...\stm32f10x_spi.o
....\...\stm32f10x_systick.crf
....\...\stm32f10x_systick.d
....\...\stm32f10x_systick.o
....\...\stm32f10x_tim.crf
....\...\stm32f10x_tim.d
....\...\stm32f10x_tim.o
....\...\stm32f10x_usart.crf
....\...\stm32f10x_usart.d
....\...\stm32f10x_usart.o
....\...\stm32f10x_vector.d

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