diff options
Diffstat (limited to 'software/hhd70dongle/hhd70.c')
| -rw-r--r-- | software/hhd70dongle/hhd70.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/software/hhd70dongle/hhd70.c b/software/hhd70dongle/hhd70.c index 6b2ce5f..9b79797 100644 --- a/software/hhd70dongle/hhd70.c +++ b/software/hhd70dongle/hhd70.c @@ -37,7 +37,7 @@ void hhd70_init(void) { //configure Direction of SS / PB0 , MOSI and SCLK as Output to drive CS of CC1101 SPI_DDR = (1<<MOSI)|(1<<SCK)|(1<<CS)|(1<<RE)|(1<<TE); - SPI_PORT = (1<<CS) | (1<<RE) | (1<<TE); + SPI_PORT = (1<<CS) | (1<<RE) | (1<<TE) | (1<<GDO2); SPCR = (1<<SPE)|(1<<MSTR); // | (0<<DORD) //select MSB first: DORD == 0 // SPSR = (0<<SPI2X) // f_osc/4 // SPSR = (1<<SPI2X) // f_osc/2 @@ -107,5 +107,6 @@ void hhd70_palna_off(void) int8_t hhd70_rx_data_available(void) { - return SPI_PINB_REG & (1 << GDO2); + //check if GDO2 pin has been pulled low by c1101 + return (SPI_PINB_REG & (1 << GDO2)) == 0; }
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