Richard Osterloh / SerialDriver

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of SerialDriver by BlazeX .

Files at this revision

API Documentation at this revision

Revision 4:3c0d0c37ad75, committed 2015-02-23

Comitter:
rosterloh84
Date:
Mon Feb 23 13:06:32 2015 +0000
Parent:
3:ea9719695b6a
Commit message:
Added tx and rx overflow callback and message complete callback

Changed in this revision

SerialDriver.cpp Show annotated file Show diff for this revision Revisions of this file
SerialDriver.h Show annotated file Show diff for this revision Revisions of this file 
--- a/SerialDriver.cpp	Mon Jan 26 19:21:56 2015 +0000
+++ b/SerialDriver.cpp	Mon Feb 23 13:06:32 2015 +0000
@@ -156,9 +156,14 @@
             rxBuffer[rxIn]= (unsigned char)c;
             rxIn= (rxIn+1) % rxBufferLength;
             rxCount++;
+            if ('\n' == c) {
+                _callback_auto_detect.call();
+            }
         }
-        else    // drop byte :(
+        else {   // drop byte :(
             numRxDrops++;
+            _callback_rx_overflow.call();
+        }
     }
     
     if(wasEmpty && !isRxBufferEmpty())   // more bytes can go

--- a/SerialDriver.h	Mon Jan 26 19:21:56 2015 +0000
+++ b/SerialDriver.h	Mon Feb 23 13:06:32 2015 +0000
@@ -49,7 +49,13 @@
     // drop counters
     volatile int numTxDrops, numRxDrops;
     
+    FunctionPointer _callback_rx_overflow;
+    FunctionPointer _callback_tx_overflow;
+    FunctionPointer _callback_auto_detect;
+    
 public:
+    enum IrqType { RxOvIrq = 0, TxOvIrq, RxAutoDetect};
+    
     /// @brief Prepares ring buffer and irq
     /// 
     /// If no buffer was set, the buffer gets allocated.
@@ -62,6 +68,16 @@
     SerialDriver(PinName txPin, PinName rxPin, int txBufferLength_= 256, int rxBufferLength_= 256, unsigned char * txBuffer_= NULL, unsigned char * rxBuffer_= NULL);
     
     
+    void attach(IrqType irq, void (*function)(void)) { 
+        if (irq == RxOvIrq) {
+            _callback_tx_overflow.attach( function );
+        } else if (irq == TxOvIrq) {
+            _callback_tx_overflow.attach( function );
+        } else if (irq == RxAutoDetect) {
+            _callback_auto_detect.attach( function ); 
+        } //else {  }
+    }
+    
     ////////////////////////////////////////////////////////////////
     // Basic IO Operation