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Diffstat (limited to 'src/arch/msp430fr5969lp')
-rw-r--r--src/arch/msp430fr5969lp/driver/spi.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/arch/msp430fr5969lp/driver/spi.cc b/src/arch/msp430fr5969lp/driver/spi.cc
index acd6f37..7050f47 100644
--- a/src/arch/msp430fr5969lp/driver/spi.cc
+++ b/src/arch/msp430fr5969lp/driver/spi.cc
@@ -57,8 +57,8 @@ signed char SPI::xmit(unsigned int tx_len, unsigned char *tx_buf,
UCB0IFG &= ~UCRXIFG;
UCB0TXBUF = tx_buf[0];
- unsigned char tx_pos = 1;
- unsigned char rx_pos = 0;
+ unsigned int tx_pos = 1;
+ unsigned int rx_pos = 0;
while (tx_pos < tx_len || rx_pos < rx_len) {
if ((tx_pos < tx_len) && (UCB0IFG & UCTXIFG)) {