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Added baudRate method to return current speed #22

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Merged
plerup merged 1 commit into from
Jul 1, 2016
Merged

Added baudRate method to return current speed #22

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8 changes: 8 additions & 0 deletions SoftwareSerial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,12 @@ void SoftwareSerial::begin(long speed) {
m_bitTime = ESP.getCpuFreqMHz()*1000000/speed;
}

long SoftwareSerial::baudRate() {
// Use getCycleCount() loop to get as exact timing as possible
long speed = ESP.getCpuFreqMHz()*1000000/m_bitTime;
return speed;
}

void SoftwareSerial::setTransmitEnablePin(int transmitEnablePin) {
if (isValidGPIOpin(transmitEnablePin)) {
m_txEnableValid = true;
Expand Down Expand Up @@ -205,3 +211,5 @@ void ICACHE_RAM_ATTR SoftwareSerial::rxRead() {
// it gets set even when interrupts are disabled
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, 1 << m_rxPin);
}


2 changes: 2 additions & 0 deletions SoftwareSerial.h
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Expand Up @@ -39,8 +39,10 @@ class SoftwareSerial : public Stream
~SoftwareSerial();

void begin(long speed);
long baudRate();
void setTransmitEnablePin(int transmitEnablePin);


int peek();

virtual size_t write(uint8_t byte);
Expand Down