From a72fc32daf434dc7ad59e4065c18332ddd7f67b0 Mon Sep 17 00:00:00 2001
From: Bernhard Tittelbach <xro@realraum.at>
Date: Sat, 19 May 2012 20:12:42 +0000
Subject: first attempt at RX/TX w/ 2 dongles

git-svn-id: https://svn.spreadspace.org/mur.sat@440 7de4ea59-55d0-425e-a1af-a3118ea81d4c
---
 software/hhd70dongle/spi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'software/hhd70dongle/spi.c')

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);
 }
\ No newline at end of file
-- 
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