//=============================================================================
// sendWithRetry() - overrides the base to allow increasing power when repeated ACK requests fail
//=============================================================================
bool RFM69_ATC::sendWithRetry(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries, uint8_t retryWaitTime) {
uint32_t sentTime;
for (uint8_t i = 0; i <= retries; i++)
{
send(toAddress, buffer, bufferSize, true);
sentTime = millis();
while (millis() - sentTime < retryWaitTime)
{
if (ACKReceived(toAddress))
{
return true;
}
}
}
if (_transmitLevel < 31) _transmitLevel++;
return false;
}
// to increase the chance of getting a packet across, call this function instead of send
// and it handles all the ACK requesting/retrying for you :)
// The only twist is that you have to manually listen to ACK requests on the other side and send back the ACKs
// The reason for the semi-automaton is that the lib is interrupt driven and
// requires user action to read the received data and decide what to do with it
// replies usually take only 5..8ms at 50kbps@915MHz
bool RFM69::sendWithRetry(uint8_t toAddress, const void* buffer, uint8_t bufferSize, uint8_t retries, uint8_t retryWaitTime) {
uint32_t sentTime;
for (uint8_t i = 0; i <= retries; i++)
{
send(toAddress, buffer, bufferSize, true);
sentTime = millis();
while (millis() - sentTime < retryWaitTime)
{
if (ACKReceived(toAddress))
{
//Serial.print(" ~ms:"); Serial.print(millis() - sentTime);
return true;
}
}
//Serial.print(" RETRY#"); Serial.println(i + 1);
}
return false;
}
