diff options
| author | Bernhard Tittelbach <xro@realraum.at> | 2012-05-19 20:12:42 +0000 |
|---|---|---|
| committer | Bernhard Tittelbach <xro@realraum.at> | 2012-05-19 20:12:42 +0000 |
| commit | a72fc32daf434dc7ad59e4065c18332ddd7f67b0 (patch) | |
| tree | d6189b31a46fc68f1ff52f2bb75c82867ff428e2 /software/hhd70dongle/spi.c | |
| parent | enable/disable PA and LNA (diff) | |
first attempt at RX/TX w/ 2 dongles
git-svn-id: https://svn.spreadspace.org/mur.sat@440 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/hhd70dongle/spi.c')
| -rw-r--r-- | software/hhd70dongle/spi.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/software/hhd70dongle/spi.c b/software/hhd70dongle/spi.c index 426684a..ec0397b 100644 --- a/software/hhd70dongle/spi.c +++ b/software/hhd70dongle/spi.c @@ -37,7 +37,7 @@ void spi_init(void) { //configure Direction of SS / PB0 , MOSI and SCLK as Output to drive CS of CC1101 SPI_PORT = (1<<CS); - SPI_DDR = (1<<MOSI)|(1<<SCK)|(1<<CS); + SPI_DDR = (1<<MOSI)|(1<<SCK)|(1<<CS)|(1<<RE)|(1<<TE); SPCR = (1<<SPE)|(1<<MSTR); // | (0<<DORD) //select MSB first: DORD == 0 // SPSR = (0<<SPI2X) // f_osc/4 // SPSR = (1<<SPI2X) // f_osc/2 @@ -107,4 +107,9 @@ void hhd70_lna_enable(void) void hhd70_lna_disable(void) { SPI_PORT &= ~(1<<RE); +} + +int8_t hhd70_rx_data_available(void) +{ + return SPI_PINB_REG & (1 << GDO2); }
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