X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=tos%2Fchips%2Fmsp430%2Fusci%2FMsp430UartP.nc;fp=tos%2Fchips%2Fmsp430%2Fusci%2FMsp430UartP.nc;h=742c167470cd62d73fda661f01ead91cf509c93a;hb=753d22d3f0f9764e9a4cdfbefdcf45ff9db4c3cc;hp=1b595bfdbd9af40369beceb8128264f6f6620183;hpb=0290d9081acdbe813926612478fbe81e7a44e3c5;p=tinyos-2.x.git

diff --git a/tos/chips/msp430/usci/Msp430UartP.nc b/tos/chips/msp430/usci/Msp430UartP.nc
index 1b595bfd..742c1674 100644
--- a/tos/chips/msp430/usci/Msp430UartP.nc
+++ b/tos/chips/msp430/usci/Msp430UartP.nc
@@ -236,25 +236,23 @@ implementation {
 
   async event void Interrupts.rx(uint8_t byte)
   {
-    atomic {
-      if (m_robuf) {
-	/* receive() takes precedence if active */
-	while (m_rlen && call Registers.getIfgRx()) {
-	  *m_rbuf = byte;
-	  if (--m_rlen)
-	    m_rbuf++;
-	}
-	if (m_rlen == 0 && m_robuf) {
-	  if (m_rxie) {
-	    call Registers.clrIeRx();
-	    call Registers.clrIfgRx();
-	  }
-	  m_robuf = 0;
-	  signal UartStream.receiveDone(m_robuf, m_rolen, SUCCESS);
+    if (m_robuf) {
+      /* receive() takes precedence if active */
+      while (m_rlen && call Registers.getIfgRx()) {
+	*m_rbuf = byte;
+	if (--m_rlen)
+	  m_rbuf++;
+      }
+      if (m_rlen == 0 && m_robuf) {
+	if (m_rxie) {
+	  call Registers.clrIeRx();
+	  call Registers.clrIfgRx();
 	}
-      } else
-	signal UartStream.receivedByte(byte);
-    }
+	m_robuf = 0;
+	signal UartStream.receiveDone(m_robuf, m_rolen, SUCCESS);
+      }
+    } else
+      signal UartStream.receivedByte(byte);
   }
 
   default async command const msp430_usci_uart_t* Configure.get()