資源簡介
該程序是基于vxworks嵌入式操作系統下的關于串口通信的程序實例。包含全部的源代碼。

代碼片段和文件信息
#include?
#include?
#include?“usart.h“
/*?A?simple?demonstration?of?serial?communications?which
?*?incorporates?the?on-board?hardware?USART?of?the?Microchip
?*?PIC16Fxxx?series?of?devices.?*/
void?main(void){
unsigned?char?input;
INTCON=0; //?purpose?of?disabling?the?interrupts.
init_comms(); //?set?up?the?USART?-?settings?defined?in?usart.h
//?Output?a?message?to?prompt?the?user?for?a?keypress
printf(“\rPress?a?key?and?I?will?echo?it?back:\n“);
while(1){
input?=?getch(); //?read?a?response?from?the?user
printf(“\rI?detected?[%c]“input); //?echo?it?back
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????620??2006-08-31?10:51??TestUart\main.c
?????文件????????169??2006-09-16?09:34??TestUart\main.cce
?????文件??????13352??2006-09-16?09:34??TestUart\main.lst
?????文件???????1038??2006-09-16?09:34??TestUart\main.obj
?????文件??????15936??2006-09-16?09:34??TestUart\main.rlf
?????文件???????7697??2006-09-16?09:34??TestUart\main.sdb
?????文件???????4731??2006-09-16?09:34??TestUart\Testuart.cof
?????文件???????4182??2006-09-16?09:34??TestUart\Testuart.hex
?????文件???????2241??2006-09-16?09:34??TestUart\Testuart.hxl
?????文件???????1269??2006-09-16?09:34??TestUart\Testuart.lde
?????文件??????11166??2006-09-16?09:34??TestUart\Testuart.map
?????文件????????692??2006-09-16?09:30??TestUart\Testuart.mcp
?????文件????????406??2006-09-16?09:44??TestUart\Testuart.mcs
?????文件??????73728??2006-09-16?09:44??TestUart\Testuart.mcw
?????文件???????1740??2006-09-16?09:30??TestUart\Testuart.mptags
?????文件????????184??2006-09-16?09:43??TestUart\Testuart.stc
?????文件???????4429??2006-09-16?09:34??TestUart\Testuart.sym
?????文件?????????83??2006-09-16?09:30??TestUart\Testuart.tagsrc
?????文件????????434??2006-08-31?10:51??TestUart\usart.c
?????文件????????169??2006-09-16?09:34??TestUart\usart.cce
?????文件????????802??2006-08-31?10:51??TestUart\usart.h
?????文件??????10280??2006-09-16?09:34??TestUart\usart.lst
?????文件????????781??2006-09-16?09:34??TestUart\usart.obj
?????文件??????10956??2006-09-16?09:34??TestUart\usart.rlf
?????文件???????7812??2006-09-16?09:34??TestUart\usart.sdb
?????目錄??????????0??2009-05-04?11:00??TestUart
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???????????????174897????????????????????26
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