When sending data into the data should be first carried out when dsp 485 communication with the computer via serial port scic txbuf, and then determine txempty is zero, so, give a send operation out of time, and then 485 and then write enable signal low to prevent the transmission operation is a write enable signal has been pulled down, unable to write data to a computer via serial port 485 chips.

485调试通过\SCIC
...........\....\cc_build_Debug.log
...........\....\CMD
...........\....\...\28335_RAM_lnk.cmd
...........\....\...\DSP2833x_Headers_nonBIOS.cmd
...........\....\Debug.lkf
...........\....\Debug
...........\....\.....\DSP2833x_ADC_cal.obj
...........\....\.....\DSP2833x_CodeStartBranch.obj
...........\....\.....\DSP2833x_CpuTimers.obj
...........\....\.....\DSP2833x_DefaultIsr.obj
...........\....\.....\DSP2833x_GlobalVariableDefs.obj
...........\....\.....\DSP2833x_PieCtrl.obj
...........\....\.....\DSP2833x_PieVect.obj
...........\....\.....\DSP2833x_Sci.obj
...........\....\.....\DSP2833x_Spi.obj
...........\....\.....\DSP2833x_SysCtrl.obj
...........\....\.....\DSP2833x_usDelay.obj
...........\....\.....\DSP2833x_Xintf.obj
...........\....\.....\jieshou.dat
...........\....\.....\SCI.map
...........\....\.....\SCI.obj
...........\....\.....\SCI.out
...........\....\INCLUDE
...........\....\.......\DSP2833x_Adc.h
...........\....\.......\DSP2833x_CpuTimers.h
...........\....\.......\DSP2833x_DefaultIsr.h
...........\....\.......\DSP2833x_DevEmu.h
...........\....\.......\DSP2833x_Device.h
...........\....\.......\DSP2833x_DMA.h
...........\....\.......\DSP2833x_Dma_defines.h
...........\....\.......\DSP2833x_ECan.h
...........\....\.......\DSP2833x_ECap.h
...........\....\.......\DSP2833x_EPwm.h
...........\....\.......\DSP2833x_EPwm_defines.h
...........\....\.......\DSP2833x_EQep.h
...........\....\.......\DSP2833x_Examples.h
...........\....\.......\DSP2833x_GlobalPrototypes.h
...........\....\.......\DSP2833x_Gpio.h
...........\....\.......\DSP2833x_I2c.h
...........\....\.......\DSP2833x_I2c_defines.h
...........\....\.......\DSP2833x_Mcbsp.h
...........\....\.......\DSP2833x_PieCtrl.h
...........\....\.......\DSP2833x_PieVect.h
...........\....\.......\DSP2833x_Project.h
...........\....\.......\DSP2833x_Sci.h
...........\....\.......\DSP2833x_Spi.h
...........\....\.......\DSP2833x_SWPrioritizedIsrLevels.h
...........\....\.......\DSP2833x_SysCtrl.h
...........\....\.......\DSP2833x_Xintf.h
...........\....\.......\DSP2833x_XIntrupt.h
...........\....\.......\IQmathLib.h
...........\....\.......\SFO.h
...........\....\.......\SFO_V5.h
...........\....\SCI.CS_
...........\....\.......\FILE.CDX
...........\....\.......\FILE.DBF
...........\....\.......\FILE.FPT
...........\....\.......\SYMBOL.CDX
...........\....\.......\SYMBOL.DBF
...........\....\.......\SYMBOL.FPT
...........\....\SCI.paf2
...........\....\SCI.pjt
...........\....\SCI.sbl
...........\....\SRC
...........\....\...\DSP2833x_ADC_cal.asm
...........\....\...\DSP2833x_CodeStartBranch.asm
...........\....\...\DSP2833x_CpuTimers.c
...........\....\...\DSP2833x_DefaultIsr.c
...........\....\...\DSP2833x_GlobalVariableDefs.c
...........\....\...\DSP2833x_PieCtrl.c
...........\....\...\DSP2833x_PieVect.c
...........\....\...\DSP2833x_Sci.c
...........\....\...\DSP2833x_Spi.c
...........\....\...\DSP2833x_SysCtrl.c
...........\....\...\DSP2833x_usDelay.asm
...........\....\...\DSP2833x_Xintf.c
...........\....\...\SCI.c
...........\说明文档.txt

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