Packet reception code.

[goodfet] / shellcode / chipcon / cc1110 / rxpacket.c

diff --git a/shellcode/chipcon/cc1110/rxpacket.c b/shellcode/chipcon/cc1110/rxpacket.c
new file mode 100644 (file)
index 0000000..9bea242
--- /dev/null
+++ b/shellcode/chipcon/cc1110/rxpacket.c
@@ -0,0 +1,20 @@
+#include <cc1110.h>
+#include "cc1110-ext.h"
+
+char __xdata at 0xfe00 packet[256] ;
+
+
+//! Receives a packet out of the radio from 0xFE00.
+void main(){
+  unsigned char len=100, i=0;
+  RFST=RFST_SRX;     //Begin to receive.
+  while(i!=len+1){
+    while(RFTXRXIF); //Wait for byte to be ready.
+    
+    RFTXRXIF=0;      //Clear the flag.
+    packet[i++]=RFD; //Grab the next byte.
+    len=packet[0];   //First byte of the packet is the length.
+  }
+  RFST = RFST_SIDLE; //End transmit.
+  HALT;
+}