Tyler Weaver / buffered-serial1

UART1 buffered serial driver, requires RTOS

Dependents:   Serial_interrupts_buffered HARP2 HARP3

Buffered serial UART1 - Setup to work with UART1 (p13,p14)

Uses RTOS to block current thread.

Reference: http://mbed.org/users/tylerjw/notebook/buffered-serial-with-rtos/

Diff: buffered_serial.cpp

Revision:
3:a4a21e18acd1
Parent:
2:8ccf9bb8dc65
Child:
4:d3122119f92b
--- a/buffered_serial.cpp	Tue Dec 11 00:12:45 2012 +0000
+++ b/buffered_serial.cpp	Thu Dec 13 06:53:43 2012 +0000
@@ -1,6 +1,6 @@
 #include "buffered_serial.h"
 
-BufferedSerial::BufferedSerial(PinName tx, PinName rx) : Serial(tx,rx), led1(LED1), led2(LED2), rx_sem(0), tx_sem(0)
+BufferedSerial::BufferedSerial(PinName tx, PinName rx) : Serial(tx,rx), /*led1(LED1), led2(LED2),*/ rx_sem(0), tx_sem(0)
 {
     tx_in=0;
     tx_out=0;
@@ -90,25 +90,25 @@
 void BufferedSerial::Rx_interrupt()
 {
     uint32_t IRR1 = LPC_UART1->IIR;
-    led1=1;
+    // led1=1;
     while (readable() && !(IS_RX_FULL)) {
         rx_buffer[rx_in] = LPC_UART1->RBR;
         rx_in = NEXT(rx_in);
         rx_sem.release();
     }
-    led1=0;
+    // led1=0;
 }
 
 // Interupt Routine to write out data to serial port
 void BufferedSerial::Tx_interrupt()
 {
     uint32_t IRR = LPC_UART1->IIR;
-    led2=1;
+    // led2=1;
     while ((writeable()) && (tx_in != tx_out)) { // while serial is writeable and there are still characters in the buffer
         LPC_UART1->THR = tx_buffer[tx_out]; // send the character
         tx_out = NEXT(tx_out);
     }
     if(!IS_TX_FULL) // if not full
         tx_sem.release();
-    led2=0;
+    // led2=0;
 }
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