STM32通过USART驱动PN532对S50卡进行读写操作。详细代码，适合借鉴学习。
资源文件列表
STM32_S50DEMO - ╕▒▒╛/CMSIS/core_cm3.c , 17273
STM32_S50DEMO - ╕▒▒╛/CMSIS/core_cm3.h , 85714
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_cl.s , 15766
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_hd.s , 15503
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_hd_vl.s , 15692
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_ld.s , 12376
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_ld_vl.s , 13656
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_md.s , 12765
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_md_vl.s , 14073
STM32_S50DEMO - ╕▒▒╛/CMSIS/startup/startup_stm32f10x_xl.s , 15955
STM32_S50DEMO - ╕▒▒╛/CMSIS/stm32f10x.h , 633941
STM32_S50DEMO - ╕▒▒╛/CMSIS/system_stm32f10x.c , 36557
STM32_S50DEMO - ╕▒▒╛/CMSIS/system_stm32f10x.h , 2085
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/misc.h , 8982
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_adc.h , 21690
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_bkp.h , 7555
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_can.h , 27559
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_cec.h , 6573
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_crc.h , 2162
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_dac.h , 15233
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_dbgmcu.h , 3818
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_dma.h , 20754
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_exti.h , 6824
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_flash.h , 25445
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_fsmc.h , 27016
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_gpio.h , 20175
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_i2c.h , 30029
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_iwdg.h , 3828
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_pwr.h , 4383
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_rcc.h , 30452
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_rtc.h , 3857
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_sdio.h , 21863
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_spi.h , 17725
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_tim.h , 52427
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_usart.h , 16548
STM32_S50DEMO - ╕▒▒╛/FWlib/inc/stm32f10x_wwdg.h , 2966
STM32_S50DEMO - ╕▒▒╛/FWlib/src/misc.c , 7046
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_adc.c , 47201
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_bkp.c , 8463
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_can.c , 45103
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_cec.c , 11656
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_crc.c , 3347
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_dac.c , 19087
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_dbgmcu.c , 5149
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_dma.c , 29607
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_exti.c , 6959
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_flash.c , 62551
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_fsmc.c , 35484
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_gpio.c , 23221
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_i2c.c , 45781
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_iwdg.c , 4916
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_pwr.c , 8759
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_rcc.c , 51271
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_rtc.c , 8598
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_sdio.c , 28933
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_spi.c , 30224
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_tim.c , 109159
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_usart.c , 38308
STM32_S50DEMO - ╕▒▒╛/FWlib/src/stm32f10x_wwdg.c , 5735
STM32_S50DEMO - ╕▒▒╛/Listing/First.map , 54244
STM32_S50DEMO - ╕▒▒╛/Listing/startup_stm32f10x_hd.lst , 51979
STM32_S50DEMO - ╕▒▒╛/User/delay.c , 1428
STM32_S50DEMO - ╕▒▒╛/User/delay.h , 310
STM32_S50DEMO - ╕▒▒╛/User/First.plg , 1194
STM32_S50DEMO - ╕▒▒╛/User/First.uvgui.Administrator , 73996
STM32_S50DEMO - ╕▒▒╛/User/First.uvgui_Administrator.bak , 74006
STM32_S50DEMO - ╕▒▒╛/User/First.uvopt , 22173
STM32_S50DEMO - ╕▒▒╛/User/First.uvproj , 20797
STM32_S50DEMO - ╕▒▒╛/User/First_First.dep , 82141
STM32_S50DEMO - ╕▒▒╛/User/First_Target 1.dep , 72
STM32_S50DEMO - ╕▒▒╛/User/GPIO.c , 4330
STM32_S50DEMO - ╕▒▒╛/User/GPIO.h , 280
STM32_S50DEMO - ╕▒▒╛/User/JLinkLog.txt , 57141
STM32_S50DEMO - ╕▒▒╛/User/JLinkSettings.ini , 650
STM32_S50DEMO - ╕▒▒╛/User/main.c , 2993
STM32_S50DEMO - ╕▒▒╛/User/nfc.c , 12488
STM32_S50DEMO - ╕▒▒╛/User/nfc.h , 1119
STM32_S50DEMO - ╕▒▒╛/User/stm32f10x_conf.h , 3259
STM32_S50DEMO - ╕▒▒╛/User/stm32f10x_it.c , 6635
STM32_S50DEMO - ╕▒▒╛/User/stm32f10x_it.h , 2157