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shorten timeout for receiving second part of enhanced proto

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john30
2020-02-02 09:53:19 +01:00
parent 3a77957e28
commit 6d35c90c9c
1 changed files with 7 additions and 0 deletions
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src/lib/ebus/device.cpp
+7
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@@ -179,6 +179,12 @@ result_t Device::send(symbol_t value) {
return RESULT_OK; return RESULT_OK;
} }
/**
* the maximum duration to wait for an enhanced sequence to complete after the first part was already retrieved:
* Start+8Bit+Stop+Extra @ 9600Bd.
*/
#define ENHANCED_COMPLETE_WAIT_DURATION 1150
result_t Device::recv(unsigned int timeout, symbol_t* value, ArbitrationState* arbitrationState) { result_t Device::recv(unsigned int timeout, symbol_t* value, ArbitrationState* arbitrationState) {
if (!isValid()) { if (!isValid()) {
return RESULT_ERR_DEVICE; return RESULT_ERR_DEVICE;
@@ -240,6 +246,7 @@ result_t Device::recv(unsigned int timeout, symbol_t* value, ArbitrationState* a
if (!isAvailable && incomplete && !repeated) { if (!isAvailable && incomplete && !repeated) {
// for a two-byte transfer another poll is needed // for a two-byte transfer another poll is needed
repeat = true; repeat = true;
timeout = ENHANCED_COMPLETE_WAIT_DURATION;
continue; continue;
} }
return RESULT_ERR_TIMEOUT; return RESULT_ERR_TIMEOUT;