Inherit from Serial and use software buffers for TX and RX. This allows the UART peripherals to operate in a IRQ driven mode. Overrides most (but not all) stdio functions as Serial did

Dependencies:   Buffer

Dependents:   LoRaWAN-demo-72-bootcamp

Fork of BufferedSerial by Sam Grove

Revision:
13:006e7d23b08a
Parent:
11:779304f9c5d2
diff -r a0d37088b405 -r 006e7d23b08a BufferedSerial.cpp
--- a/BufferedSerial.cpp	Mon Mar 07 21:10:27 2016 +0000
+++ b/BufferedSerial.cpp	Sat Jan 28 16:12:14 2017 +0000
@@ -26,7 +26,7 @@
 BufferedSerial::BufferedSerial(PinName tx, PinName rx, uint32_t buf_size, uint32_t tx_multiple, const char* name)
     : RawSerial(tx, rx) , _rxbuf(buf_size), _txbuf((uint32_t)(tx_multiple*buf_size))
 {
-    RawSerial::attach(this, &BufferedSerial::rxIrq, Serial::RxIrq);
+    RawSerial::attach(callback(this, &BufferedSerial::rxIrq), Serial::RxIrq);
     this->_buf_size = buf_size;
     this->_tx_multiple = tx_multiple;   
     return;
@@ -149,7 +149,7 @@
     if(serial_writable(&_serial)) {
         RawSerial::attach(NULL, RawSerial::TxIrq);    // make sure not to cause contention in the irq
         BufferedSerial::txIrq();                // only write to hardware in one place
-        RawSerial::attach(this, &BufferedSerial::txIrq, RawSerial::TxIrq);
+        RawSerial::attach(callback(this, &BufferedSerial::txIrq), RawSerial::TxIrq);
     }
 
     return;