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-rw-r--r--src/avr/ao_spi_slave.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/avr/ao_spi_slave.c b/src/avr/ao_spi_slave.c
index 76f574c6..3aa0b97f 100644
--- a/src/avr/ao_spi_slave.c
+++ b/src/avr/ao_spi_slave.c
@@ -87,7 +87,7 @@ ao_spi_slave_init(void)
(1 << 3) | /* MISO, output */
(0 << 2) | /* MOSI, no pull-up */
(0 << 1) | /* SCK, no pull-up */
- (0 << 0)); /* SS, no pull-up */
+ (1 << 0)); /* SS, pull-up */
#endif
#if SPI_SLAVE_PIN_2_5
PCMSK0 |= (1 << PCINT2); /* Enable PCINT2 pin change */
@@ -103,7 +103,7 @@ ao_spi_slave_init(void)
(0 << 5) | /* SCK, no pull-up */
(1 << 4) | /* MISO, output */
(0 << 3) | /* MOSI, no pull-up */
- (0 << 2)); /* SS, no pull-up */
+ (1 << 2)); /* SS, pull-up */
#endif
SPCR = (0 << SPIE) | /* Disable SPI interrupts */