w5500 chip， official routines, there are a dozen examples of the code can be used to transplant.

STM32F103RC+W5500_Keil4.72
..........................\0-Ping
..........................\......\Ping.uvproj
..........................\......\User
..........................\......\....\config.h
..........................\......\....\main.c
..........................\......\....\stm32f10x_conf.h
..........................\......\....\stm32f10x_it.c
..........................\......\....\stm32f10x_it.h
..........................\......\....\types.h
..........................\......\flib
..........................\......\....\inc
..........................\......\....\...\misc.h
..........................\......\....\...\stm32f10x_adc.h
..........................\......\....\...\stm32f10x_bkp.h
..........................\......\....\...\stm32f10x_can.h
..........................\......\....\...\stm32f10x_cec.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_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
..........................\......\....\src
..........................\......\....\...\misc.c
..........................\......\....\...\stm32f10x_adc.c
..........................\......\....\...\stm32f10x_bkp.c
..........................\......\....\...\stm32f10x_can.c
..........................\......\....\...\stm32f10x_cec.c
..........................\......\....\...\stm32f10x_crc.c
..........................\......\....\...\stm32f10x_dac.c
..........................\......\....\...\stm32f10x_dbgmcu.c
..........................\......\....\...\stm32f10x_dma.c
..........................\......\....\...\stm32f10x_exti.c
..........................\......\....\...\stm32f10x_flash.c
..........................\......\....\...\stm32f10x_fsmc.c
..........................\......\....\...\stm32f10x_gpio.c
..........................\......\....\...\stm32f10x_i2c.c
..........................\......\....\...\stm32f10x_iwdg.c
..........................\......\....\...\stm32f10x_pwr.c
..........................\......\....\...\stm32f10x_rcc.c
..........................\......\....\...\stm32f10x_rtc.c
..........................\......\....\...\stm32f10x_sdio.c
..........................\......\....\...\stm32f10x_spi.c
..........................\......\....\...\stm32f10x_tim.c
..........................\......\....\...\stm32f10x_usart.c
..........................\......\....\...\stm32f10x_wwdg.c
..........................\......\keilkill.bat
..........................\......\output
..........................\......\......\Ping.bin
..........................\......\......\Ping.hex
..........................\......\system
..........................\......\......\core_cm3.c
..........................\......\......\core_cm3.h
..........................\......\......\startup_stm32f10x_cl.s
..........................\......\......\startup_stm32f10x_hd.s
..........................\......\......\startup_stm32f10x_hd_vl.s
..........................\......\......\startup_stm32f10x_ld.s
..........................\......\......\startup_stm32f10x_ld_vl.s
..........................\......\......\startup_stm32f10x_md.s
..........................\......\......\startup_stm32f10x_md_vl.s
....

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