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Fixed xbee wifi perpetual instant timeout

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This commit is contained in:
Sara Damiano
2019-09-06 22:17:37 -04:00
parent 803e74b87b
commit 4b736d8cc9
1 changed files with 10 additions and 6 deletions
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16
src/TinyGsmClientXBee.h
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@@ -126,24 +126,29 @@ public:
// empty the saved currently-in-use destination address
at->savedOperatingIP = IPAddress(0, 0, 0, 0);
at->commandMode();
// Get the current socket timeout
at->sendAT(GF("TM"));
String timeoutUsed = at->readResponseString(5000L);
// For WiFi models, there's no direct way to close the socket. This is a
// hack to shut the socket by setting the timeout to zero.
if (at->beeType == XBEE_S6B_WIFI) {
at->sendAT(GF("TM0")); // Set socket timeout (using Digi default of 10 seconds)
at->sendAT(GF("TM0")); // Set socket timeout to 0
at->waitResponse(maxWaitMs); // This response can be slow
at->writeChanges();
}
// For cellular models, per documentation: If you change the TM (socket
// For cellular models, per documentation: If you write the TM (socket
// timeout) value while in Transparent Mode, the current connection is
// immediately closed.
at->sendAT(GF("TM")); // Get socket timeout
String timeoutUsed = at->readResponseString(5000L);
// immediately closed - this works even if the TM values is unchanged
at->sendAT(GF("TM"), timeoutUsed); // Re-set socket timeout
at->waitResponse(maxWaitMs); // This response can be slow
at->writeChanges();
at->exitCommand();
at->streamClear(); // Empty anything remaining in the buffer
sock_connected = false;
// Note: because settings are saved in flash, the XBEE will attempt to
// reconnect to the previous socket if it receives any outgoing data.
// Setting sock_connected to false after the stop ensures that connected()
@@ -1138,7 +1143,6 @@ public:
// we force close so it can reopen
case 0x21 :
case 0x27 : {
Serial.println("Here!");
sendAT(GF("TM")); // Get socket timeout
String timeoutUsed = readResponseString(5000L);
sendAT(GF("TM"), timeoutUsed); // Re-set socket timeout