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Скорректировано переключение HDLC-режима

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This commit is contained in:
forth32 2015-04-02 08:27:05 +03:00
parent a75eafb191
commit a44a42b67d
1 changed files with 15 additions and 1 deletions
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16
balong_flash.c
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@ -31,7 +31,10 @@ unsigned char devname[50]="/dev/ttyUSB0";
unsigned char replybuf[4096];
unsigned char datamodecmd[]="AT^DATAMODE";
unsigned char resetcmd[]="AT^RESET";
unsigned char OKrsp[]={0x0d, 0x0a, 0x4f, 0x4b, 0x0d, 0x0a};
unsigned char NAKrsp[]={0x03, 0x00, 0x02, 0xba, 0x0a, 0x7e};
unsigned int dpattern=0xa55aaa55;
unsigned int mflag=0,eflag=0,rflag=0;
unsigned char filename [100];
@ -196,13 +199,24 @@ send_cmd(cmddone,1,replybuf);
// Входим в HDLC-режим
printf("\n Входим в режим HDLC...");
port_timeout(100);
i=0;
rehdlc:
if (i == 10) {
printf("превышено число попыток входа в режим\n");
return;
}
write(siofd,datamodecmd,strlen(datamodecmd));
res=read(siofd,replybuf,6);
if (res != 6) {
printf("\n Неправильный ответ на DATAMODE\n");
printf("\n Неправильная длина ответ на DATAMODE\n");
dump(replybuf,res,0);
return;
}
i++;
if (memcmp(replybuf,NAKrsp,6) == 0) goto rehdlc;
if (memcmp(replybuf,OKrsp,6) != 0) {
printf("\n Неправильный ответ на DATAMODE\n");
dump(replybuf,res,0);