Atledge-184 Minor improvements to SoftwareSerial library

Minor improvements to SoftwareSerial library

Author: bigdinotech

libraries/CurieSoftwareSerial/SoftwareSerial.cpp

@@ -16,6 +16,10 @@ License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 Implementation of SoftwareSerial Library for Arduino 101
+
+CurieSoftwareSerial library is a work in progress
+Currently only 38400 and 57600 bps is the supported baud rate for RX
+RX is only fully functional on pins 2, 4, 7, 8, 10, 11, 12.
 */
 
 // When set, _DEBUG co-opts pins 11 and 13 for debugging with an
@@ -172,7 +176,8 @@ void SoftwareSerial::recv()
     }
 
     // skip the stop bit/s
-    delayTicks(bitDelay>>4);
+    //TODO: tweak this value depending on which gpio is used
+    delayTicks(bitDelay >> 2);
     DebugPulse(_DEBUG_PIN1, 1);
   }
   interrupts();

libraries/CurieSoftwareSerial/SoftwareSerial.h

@@ -16,6 +16,10 @@ License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 Implementation of SoftwareSerial Library for Arduino 101
+
+CurieSoftwareSerial library is a work in progress
+Currently only 38400 and 57600 bps is the supported baud rate for RX
+RX is only fully functional on pins 2, 4, 7, 8, 10, 11, 12.
 */
 
 #ifndef SoftwareSerial_h
@@ -57,12 +61,12 @@ class SoftwareSerial : public Stream
   static SoftwareSerial *active_object;
 
   // private methods
-  static void recv() __attribute__((__always_inline__));
+  static void recv();
   uint32_t rx_pin_read();
   void tx_pin_write(uint32_t pin_state) __attribute__((__always_inline__));
   void setTX(uint8_t transmitPin);
   void setRX(uint8_t receivePin);
-  void setRxIntMsk(bool enable) __attribute__((__always_inline__));
+  void setRxIntMsk(bool enable);
 
   // Return num - sub, or 1 if the result would be < 1
   static uint16_t subtract_cap(uint16_t num, uint16_t sub);

libraries/CurieSoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino

@@ -5,8 +5,8 @@
  Receives from software serial, sends to hardware serial.
 
  The circuit:
- * RX is digital pin 10 (connect to TX of other device)
- * TX is digital pin 11 (connect to RX of other device)
+ * RX is digital pin 2 (connect to TX of other device)
+ * TX is digital pin 3 (connect to RX of other device)
 
  Note:
  Not all pins on the Mega and Mega 2560 support change interrupts,
@@ -27,12 +27,12 @@
  */
 #include <SoftwareSerial.h>
 
-SoftwareSerial mySerial(10, 11); // RX, TX
+SoftwareSerial mySerial(2, 3); // RX, TX
 
 void setup()
 {
   // Open serial communications and wait for port to open:
-  Serial.begin(57600);
+  Serial.begin(115200);
   while (!Serial) {
     ; // wait for serial port to connect. Needed for Leonardo only
   }
@@ -41,7 +41,7 @@ void setup()
   Serial.println("Goodnight moon!");
 
   // set the data rate for the SoftwareSerial port
-  mySerial.begin(4800);
+  mySerial.begin(38400);
   mySerial.println("Hello, world?");
 }