shorten timeout for receiving second part of enhanced proto

2020-02-02 09:53:19 +01:00
parent 3a77957e28
commit 6d35c90c9c
1 changed files with 7 additions and 0 deletions
@@ -179,6 +179,12 @@ result_t Device::send(symbol_t value) {
  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) {
  if (!isValid()) {
    return RESULT_ERR_DEVICE;
@@ -240,6 +246,7 @@ result_t Device::recv(unsigned int timeout, symbol_t* value, ArbitrationState* a
      if (!isAvailable && incomplete && !repeated) {
        // for a two-byte transfer another poll is needed
        repeat = true;
+        timeout = ENHANCED_COMPLETE_WAIT_DURATION;
        continue;
      }
      return RESULT_ERR_TIMEOUT;