Msp430SpiP.sendData() reads rxbuf redundantly.

[tinyos-2.x.git] / tos / chips / msp430 / usci / Msp430SpiP.nc

diff --git a/tos/chips/msp430/usci/Msp430SpiP.nc b/tos/chips/msp430/usci/Msp430SpiP.nc
index e44a0454620fbb4e518697fd5ebb1c7c2bf93457..12b2293214b8c62b0b53c59895c991ba401ef85b 100644 (file)
--- a/tos/chips/msp430/usci/Msp430SpiP.nc
+++ b/tos/chips/msp430/usci/Msp430SpiP.nc
@@ -217,7 +217,7 @@ implementation {
        while (!call Registers.getIfgRx() && !call Registers.getCtl1(UCSWRST));
        tmp = call Registers.getRxbuf();
        if (m_rxBuf)
-         m_rxBuf[m_pos - 1] = call Registers.getRxbuf();
+         m_rxBuf[m_pos - 1] = tmp;
        while (!call Registers.getIfgTx() && !call Registers.getCtl1(UCSWRST));
        call Registers.setTxbuf(m_txBuf ? m_txBuf[m_pos] : 0);
       }