Fix USCI hanging caused by clearing the TXIFG bit.

[tinyos-2.x.git] / tos / chips / msp430 / usci / Msp430UartP.nc

diff --git a/tos/chips/msp430/usci/Msp430UartP.nc b/tos/chips/msp430/usci/Msp430UartP.nc
index ddf074bdd0952100c4319207af6fcdb2a6d3a5ff..1b595bfdbd9af40369beceb8128264f6f6620183 100644 (file)
--- a/tos/chips/msp430/usci/Msp430UartP.nc
+++ b/tos/chips/msp430/usci/Msp430UartP.nc
@@ -123,7 +123,6 @@ implementation {
       call Registers.clrIeRx();
       call Registers.clrIeTx();
       call Registers.clrIfgRx();
-      call Registers.clrIfgTx();
 
       /* Restore pins to their pre-configure state */
       if (m_pins & PINS_RXD)
@@ -171,7 +170,6 @@ implementation {
     }
     if (m_slen == 0 && m_sobuf) {
       call Registers.clrIeTx();
-      call Registers.clrIfgTx();
       m_sobuf = 0;
       signal UartStream.sendDone(m_sobuf, m_solen, SUCCESS);
     }