SI2457-D-FS Silicon Laboratories Inc, SI2457-D-FS Datasheet - Page 264
SI2457-D-FS
Manufacturer Part Number
SI2457-D-FS
Description
IC ISOMODEM SYSTEM-SIDE 16SOIC
Manufacturer
Silicon Laboratories Inc
Specifications of SI2457-D-FS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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AN93
//
//
264
if ((hpTelNoFile = fopen(fnameTelno, "rb")) == NULL)
//
cpInputRd = SendAndWaitFor("AT+ES=6,,8\r", cpInputRd, "OK\r\n", 300);
//
//
//
//
//
cpInputRd = SendAndWaitFor("AT+ESA=0,0,0,,1\r", cpInputRd, "OK\r\n", 300);
//
//
//
//
cpInputRd = SendAndWaitFor("AT:U87,050A\r", cpInputRd, "OK\r\n", 300);
//
cpInputRd = SendAndWaitFor("AT:U7A,1\r", cpInputRd, "OK\r\n", 300);
AssertRTS(false);
char caOutGoing[256];
bool bValidLine = GetFileTextLine(caOutGoing);
printf("Phone Number: %s\n",caOutGoing);
if(bValidLine)
else
int iLength;
iCharCount = 0;
// Long training happens now!
cpInputRd = WaitForResponse(caSNRM_PKT_STR, cpInputRd, 6000);
Delay(50);
{
Skip waiting for the speed packet.
cpInputRd = WaitForResponse("\0x19\0xbe\0x24\0x24\0x19\0xb1", cpInputRd, 6000);
fprintf(stderr, "The Tel. Number File is missing.\n");
exit(1);
}
cpInputRd
{
fprintf(stderr, "The Tel. Number File is incorrect.\n");
exit(1);
}
,,8
AT+ESA=0,0,0,,1
0,,,,
,0...
,,0,,
,,,,1
"AT:U87,010A
0x0400 bit 10
0x0100 bit 8
0x000A bits 3:0
:U7A,1
modem transmits SYN if underrun during transparent mode
modem tx's flags after underrun after flag happens in framed sub mode
modem tx's abort on underrun in frame middle during framed sub mode
enables CRC generation and checking
Fast connect
= SendAndWaitFor(caOutGoing, cpInputRd, "CONNECT\r\n", 120000);
enables synch access on answering a connect
Synch access mode config
//reset the total chars to 0 for data mode.
synch access mode control
Minimal transparency <EM><T1 thru T4> during Rx
Upon connection immediately enter framed sub mode
Wait for 10 bytes before starting xmission.
//Delay to allow the line to turn around
Rev. 1.3
// ???
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