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Update softSerial.cpp #311

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Update softSerial.cpp #311

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9 changes: 8 additions & 1 deletion libraries/Basics/src/softSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,10 @@ void softSerial::receiverBegin(void)
else
tcnt += GET_MCU_RELOAD - timetemp + intTime;

delayTiker((uint32_t)(timedelay * tikerInUs)-tcnt);
//delayTiker((uint32_t)(timedelay * tikerInUs)-tcnt);
delayTiker((uint32_t)((timedelay/3) * tikerInUs)-tcnt); // move to the center of start bit start bit
if(DIRECT_READ(_rxbaseReg, _rxbitmask)==1) return ; // center of startbit not 0 , bye bye glitch trigger
delayus(timedelay); // delay to center of first bit

uint8_t data = 0;
uint32_t start = millis();
Expand Down Expand Up @@ -156,6 +159,9 @@ void softSerial::receiverBegin(void)
if (tcnt >= ticks)
return;
};
delayus(timedelay/2); // delay to center of new start bit
if(DIRECT_READ(_rxbaseReg, _rxbitmask)==1) return ; // center of startbit not 0 , bye bye

delayus(timedelay);
data=0;
} while (millis() - start < SOFTSERIAL_RX_TIMEOUT);
Expand Down Expand Up @@ -266,3 +272,4 @@ void softSerial::softwarePrintf(char *p_fmt, ...)
delete[] temp;
}
}