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From: | Cesar Rabak <crabak AT acm DOT org> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: help on DOS serial communication using DJGPP |
Date: | Tue, 04 May 2004 19:20:07 -0300 |
Lines: | 21 |
Message-ID: | <40981717.2080603@acm.org> |
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mohd hamizi ahmad escreveu: > i've tried to communicate between embedded system to PC using serial > communication. my embedded system using DOS operating system. i've tried > to send a character to PC and should be display on hyperterminal. i've > tried but nothing happen. i've check my program, and i think there is no > problem. could anybody check my simple program down here? maybe i make a > mistake and you can tell me where my mistake. [snipped] > while(1) > { > // send a push keyboard character to com2 > com1_send = _bios_serialcom(_COM_SEND, 1, (unsigned)getch()); > printf("Send status: 0x%4.4X\n", com1_send); > } You mention your DOS system is an embedded one, anyhow, is there a means of reading the results of these printf calls?
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