STM32F407系列单片机多串口收发测试代码，串口1，串口2，串口3，串口4，同时发送数据，然后从串口5，转发从串口1，串口2，串口3，串口4接受到的数据。
资源文件列表
Project/CORE/core_cm4.h , 109142
Project/CORE/core_cm4_simd.h , 22735
Project/CORE/core_cmFunc.h , 17146
Project/CORE/core_cmInstr.h , 20513
Project/CORE/startup_stm32f40_41xxx.s , 29607
Project/FWLIB/STM32F4x7_ETH_Driver/inc/stm32f4x7_eth.h , 100066
Project/FWLIB/STM32F4x7_ETH_Driver/inc/stm32f4x7_eth_conf.h , 1674
Project/FWLIB/STM32F4x7_ETH_Driver/src/stm32f4x7_eth.c , 102918
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/misc.h , 6924
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_adc.h , 32880
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_can.h , 27318
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_crc.h , 2416
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_cryp.h , 14481
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dac.h , 14946
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dbgmcu.h , 4296
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dcmi.h , 12977
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dma.h , 28882
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_dma2d.h , 19692
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_exti.h , 8012
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_flash.h , 24467
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_flash_ramfunc.h , 3275
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_fmc.h , 44924
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_fsmc.h , 27181
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_gpio.h , 23548
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_hash.h , 10084
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_i2c.h , 31939
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_iwdg.h , 4323
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_ltdc.h , 21191
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_pwr.h , 7728
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_rcc.h , 30063
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_rng.h , 3958
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_rtc.h , 40546
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_sai.h , 25470
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_sdio.h , 22777
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_spi.h , 21178
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_syscfg.h , 8974
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_tim.h , 51689
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_usart.h , 17935
Project/FWLIB/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_wwdg.h , 3542
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/misc.c , 11443
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_adc.c , 69068
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_can.c , 60150
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_crc.c , 3596
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_cryp.c , 35493
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_cryp_aes.c , 58026
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_cryp_des.c , 9822
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_cryp_tdes.c , 10577
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dac.c , 26804
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dbgmcu.c , 6809
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dcmi.c , 18782
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dma.c , 52917
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dma2d.c , 27165
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_exti.c , 9828
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_flash.c , 63033
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_flash_ramfunc.c , 5444
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_fmc.c , 56568
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_fsmc.c , 41831
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_gpio.c , 25202
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_hash.c , 26630
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_hash_md5.c , 9594
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_hash_sha1.c , 9793
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_i2c.c , 54393
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_iwdg.c , 9348
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_ltdc.c , 39790
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_pwr.c , 37707
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rcc.c , 98839
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rng.c , 14060
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_rtc.c , 102890
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_sai.c , 46411
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_sdio.c , 38957
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_spi.c , 52522
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_syscfg.c , 9575
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_tim.c , 124732
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_usart.c , 57944
Project/FWLIB/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_wwdg.c , 10492
Project/HARDWARE/IWDG/iwdg.c , 324
Project/HARDWARE/IWDG/iwdg.h , 92
Project/HARDWARE/TIMER/timer.c , 1502
Project/HARDWARE/TIMER/timer.h , 166
Project/keilkilll.bat , 385
Project/OBJ/api_lib.crf , 19624
Project/OBJ/api_lib.d , 504
Project/OBJ/api_lib.o , 22232
Project/OBJ/api_msg.crf , 19624
Project/OBJ/api_msg.d , 504
Project/OBJ/api_msg.o , 22232
Project/OBJ/autoip.crf , 19629
Project/OBJ/autoip.d , 500
Project/OBJ/autoip.o , 22260
Project/OBJ/def.crf , 20617
Project/OBJ/def.d , 522
Project/OBJ/def.o , 26104
Project/OBJ/delay.crf , 433981
Project/OBJ/delay.d , 2382
Project/OBJ/delay.o , 470472
Project/OBJ/dhcp.crf , 19622
Project/OBJ/dhcp.d , 475
Project/OBJ/dhcp.o , 22196
Project/OBJ/dns.crf , 19621
Project/OBJ/dns.d , 465
Project/OBJ/dns.o , 22188
Project/OBJ/err.crf , 20325
Project/OBJ/err.d , 521
Project/OBJ/err.o , 23408
Project/OBJ/etharp.crf , 57495
Project/OBJ/etharp.d , 1443
Project/OBJ/etharp.o , 70016
Project/OBJ/ethernetif.crf , 506389
Project/OBJ/ethernetif.d , 3879
Project/OBJ/ethernetif.o , 547388
Project/OBJ/ExtDll.iex , 19
Project/OBJ/fs.crf , 24986
Project/OBJ/fs.d , 725
Project/OBJ/fs.o , 44852
Project/OBJ/httpd.crf , 529267
Project/OBJ/httpd.d , 4060
Project/OBJ/httpd.o , 578072
Project/OBJ/httpd_cgi_ssi.crf , 533181
Project/OBJ/httpd_cgi_ssi.d , 4809
Project/OBJ/httpd_cgi_ssi.o , 574600
Project/OBJ/icmp.crf , 50234
Project/OBJ/icmp.d , 1345
Project/OBJ/icmp.o , 57140
Project/OBJ/igmp.crf , 19627
Project/OBJ/igmp.d , 480
Project/OBJ/igmp.o , 22228
Project/OBJ/inet.crf , 24845
Project/OBJ/inet.d , 669
Project/OBJ/inet.o , 30676
Project/OBJ/inet_chksum.crf , 32963
Project/OBJ/inet_chksum.d , 1046
Project/OBJ/inet_chksum.o , 39836
Project/OBJ/init.crf , 67581
Project/OBJ/init.d , 2122
Project/OBJ/init.o , 78988
Project/OBJ/ip.crf , 67650
Project/OBJ/ip.d , 1808
Project/OBJ/ip.o , 77644
Project/OBJ/ip_addr.crf , 32443
Project/OBJ/ip_addr.d , 827
Project/OBJ/ip_addr.o , 40472
Project/OBJ/ip_frag.crf , 55777
Project/OBJ/ip_frag.d , 1487
Project/OBJ/ip_frag.o , 66340
Project/OBJ/iwdg.crf , 433459
Project/OBJ/iwdg.d , 2410
Project/OBJ/iwdg.o , 468544
Project/OBJ/lan8720.crf , 476511
Project/OBJ/lan8720.d , 2798
Project/OBJ/lan8720.o , 518928
Project/OBJ/lwip_comm.crf , 524528
最多只能显示150条信息!