S K UCI / AriSnComm

Arianna station communication peripherals.

Dependents:   AutonomousDAQ AutonomousDAQ

SnCommPeripheral.cpp@3:a7f72492f19e, 2013-09-05 (annotated)

Committer:
uci1
Date:
Thu Sep 05 22:30:53 2013 +0000
Revision:
3:a7f72492f19e
Parent:
0:26c9189e5924
Child:
4:8328c2972290
add power down function, add finish sending in case of outgoing buffering, add outgoing buffer to SBD, change dynamic to static casts, remove timeout constants. changes untested.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
uci1 0:26c9189e5924 1 #include "SnCommPeripheral.h"
uci1 0:26c9189e5924 2
uci1 0:26c9189e5924 3 #include <string>
uci1 0:26c9189e5924 4
uci1 0:26c9189e5924 5 #include "SnHeaderFrame.h"
uci1 0:26c9189e5924 6
uci1 0:26c9189e5924 7 bool SnCommPeripheral::IsTimedOut(const uint32_t timeout_clock) const {
uci1 0:26c9189e5924 8 if (timeout_clock==0) {
uci1 0:26c9189e5924 9 // for not obeying timeout option
uci1 0:26c9189e5924 10 return false;
uci1 0:26c9189e5924 11 } else {
uci1 0:26c9189e5924 12 const uint32_t ct = time(0);
uci1 0:26c9189e5924 13 if ( (ct==0) ||
uci1 0:26c9189e5924 14 (fabs(static_cast<double>(timeout_clock-ct))>kSecsPerDay) ) {
uci1 0:26c9189e5924 15 // clock problems!
uci1 0:26c9189e5924 16 // timeout now. hope the clock problems
uci1 0:26c9189e5924 17 // get fixed in the next comm window
uci1 0:26c9189e5924 18 return true;
uci1 0:26c9189e5924 19 } else {
uci1 0:26c9189e5924 20 return (ct>timeout_clock);
uci1 0:26c9189e5924 21 }
uci1 0:26c9189e5924 22 }
uci1 0:26c9189e5924 23 }
uci1 0:26c9189e5924 24
uci1 0:26c9189e5924 25 bool SnCommPeripheral::SendString(const char* str,
uci1 0:26c9189e5924 26 const uint32_t timeout) {
uci1 0:26c9189e5924 27 #ifdef DEBUG
uci1 0:26c9189e5924 28 printf("SnCommPeripheral::SendString %s\r\n",str);
uci1 0:26c9189e5924 29 #endif
uci1 0:26c9189e5924 30 const size_t rlen = strlen(str);
uci1 0:26c9189e5924 31 const size_t slen = rlen > kMaxStrLen ? kMaxStrLen : rlen;
uci1 0:26c9189e5924 32 const int msiz = slen+SnHeaderFrame::SizeOf();
uci1 0:26c9189e5924 33 char* const ts = new char[msiz];
uci1 0:26c9189e5924 34 char* t = ts;
uci1 0:26c9189e5924 35 SnHeaderFrame::WriteTo(t, SnHeaderFrame::kStringCode, slen);
uci1 0:26c9189e5924 36 strncpy(t, str, slen);
uci1 3:a7f72492f19e 37 int32_t mlen = SendAll(ts, msiz, timeout);
uci1 0:26c9189e5924 38 delete[] ts;
uci1 3:a7f72492f19e 39 mlen += FinishSending(timeout);
uci1 0:26c9189e5924 40 return (msiz==mlen);
uci1 0:26c9189e5924 41 }
uci1 0:26c9189e5924 42
uci1 0:26c9189e5924 43 void SnCommPeripheral::CapitalizeInPlace(std::string::iterator s,
uci1 0:26c9189e5924 44 const std::string::const_iterator send) {
uci1 0:26c9189e5924 45 static const char upd = 'a' - 'A'; // a>A
uci1 0:26c9189e5924 46 for (; s!=send; ++s) {
uci1 0:26c9189e5924 47 if ( ((*s)>='a') && ((*s)<='z') ) {
uci1 0:26c9189e5924 48 (*s) -= upd;
uci1 0:26c9189e5924 49 }
uci1 0:26c9189e5924 50 }
uci1 0:26c9189e5924 51 }