Merge pull request #22 from hallard/master

Added baudRate method to return current speed
plerup · Jul 1, 2016 · e5a329d · e5a329d
2 parents 097712e + 6325ef5
commit e5a329d
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diff --git a/SoftwareSerial.cpp b/SoftwareSerial.cpp
@@ -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;
@@ -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);
 }
+
+
diff --git a/SoftwareSerial.h b/SoftwareSerial.h
@@ -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);