#include "cc1110-ext.h"
char __xdata at 0xfe00 packet[256] ;
+
+char __xdata at 0xfdf0 cfg[5] ;
+char __xdata at 0xfdf8 freq[3] ;
+//! Save MDMCFG*
+void save_settings(){
+ cfg[0]=MDMCFG0;
+ cfg[1]=MDMCFG1;
+ cfg[2]=MDMCFG2;
+ cfg[3]=MDMCFG3;
+ cfg[4]=MDMCFG4;
+ /*
+ freq[0]=FREQ0;
+ freq[1]=FREQ1;
+ freq[2]=FREQ2;
+ */
+}
+//! Restore MDMCFG*
+void restore_settings(){
+ MDMCFG0=cfg[0];
+ MDMCFG1=cfg[1];
+ MDMCFG2=cfg[2];
+ MDMCFG3=cfg[3];
+ MDMCFG4=cfg[4];
+ /*
+ FREQ0=freq[0];
+ FREQ1=freq[1];
+ FREQ2=freq[2];
+ */
+}
+
void carrier(){
// Set the system clock source to HS XOSC and max CPU speed,
// ref. [clk]=>[clk_xosc.c]
+ /*
SLEEP &= ~SLEEP_OSC_PD;
while( !(SLEEP & SLEEP_XOSC_S) );
CLKCON = (CLKCON & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1;
while (CLKCON & CLKCON_OSC);
SLEEP |= SLEEP_OSC_PD;
+ */
-
+ //FREQ0=0x5C;
+
/* Setup radio with settings from SmartRF® Studio. The default settings are
* used, except that "unmodulated" is chosen in the "Simple RX tab". This
* results in an umodulated carrier with a frequency of approx. 2.433 GHz.
//FSCTRL0 = 0x00; // Frequency synthesizer control.
+ //Bandwidth, Symbol Rate
+ //MDMCFG4 = 0x86;
+ //Symbol Rate
+ //MDMCFG3 = 0x83;
+ //Sensitivity, shift-keying mode
+ //MDMCFG2 = 0x30;
+ //FEC, Premable, Spacing
+ //MDMCFG1 = 0x22;
+ //Channel Spacing
+ //MDMCFG0 = 0xF8;
- MDMCFG4 = 0x86; // Modem configuration.
- MDMCFG3 = 0x83; // Modem configuration.
- MDMCFG2 = 0x30; // Modem configuration.
- MDMCFG1 = 0x22; // Modem configuration.
- MDMCFG0 = 0xF8; // Modem configuration.
-
- /*
- CHANNR = 0x00; // Channel number.
- DEVIATN = 0x00; // Modem deviation setting (when FSK modulation is enabled).
- FREND1 = 0x56; // Front end RX configuration.
- FREND0 = 0x10; // Front end RX configuration.
- MCSM0 = 0x14; // Main Radio Control State Machine configuration.
- FOCCFG = 0x16; // Frequency Offset Compensation Configuration.
- BSCFG = 0x6C; // Bit synchronization Configuration.
- AGCCTRL2 = 0x03; // AGC control.
- AGCCTRL1 = 0x40; // AGC control.
- AGCCTRL0 = 0x91; // AGC control.
- FSCAL3 = 0xE9; // Frequency synthesizer calibration.
- FSCAL2 = 0x2a; // Frequency synthesizer calibration.
- FSCAL1 = 0x00; // Frequency synthesizer calibration.
- FSCAL0 = 0x1f; // Frequency synthesizer calibration
-
- TEST2 = 0x88; // Various test settings.
- TEST1 = 0x31; // Various test settings.
- TEST0 = 0x09; // Various test settings.
-
- //FE is too high
- PA_TABLE0 = 0xFF; // PA output power setting.
- PKTCTRL1 = 0x04; // Packet automation control.
- PKTCTRL0 = 0x22; // Packet automation control.
- ADDR = 0x00; // Device address.
- PKTLEN = 0xFF; // Packet length.
- */
/* Settings not from SmartRF® Studio. Setting both sync word registers to
* 0xAA = 0b10101010, i.e., the same as the preamble pattern. Not necessary,
* but gives control of what the radio attempts to transmit.
//These sync values are better for jamming, but they break reception.
//SYNC1 = 0xAA;
//SYNC0 = 0xAA;
-
- /* Put radio in TX.
- RFST = RFST_STX;
- while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
- */
-
#define RFON RFST = RFST_SIDLE; RFST = RFST_STX; while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
#define RFOFF RFST = RFST_SIDLE; //while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_IDLE);
//RFON;
- //while(1);
-
-
+ //while(1);
}
void sleepMillis(int ms) {
- int j;
- while (--ms > 0) {
- for (j=0; j<1200;j++); // about 1 millisecond
- };
+ int j;
+ while (--ms > 0) {
+ for (j=0; j<1200;j++); // about 1 millisecond
+ };
}
-//! Wait for a packet to come, then immediately return.
-void rxwait(){
- int i=0;
+//! Reflexively jam on the present channel by responding to a signal with a carrier wave.
+void main(){
+ unsigned char threshold=packet[0], i=0, rssi=0;;
+
//Disable interrupts.
RFTXRXIE=0;
- //idle a bit.
- RFST=RFST_SIDLE;
- while(MARCSTATE!=MARC_STATE_IDLE);
+ save_settings();
- sleepMillis(10);
- //Begin to receive.
- RFST=RFST_SRX;
- while(MARCSTATE!=MARC_STATE_RX);
-
- //Incoming!
+ //carrier();
- //Fixed length
- packet[i++]=PKTLEN;
- while(i<PKTLEN && MARCSTATE==MARC_STATE_RX){
+ while(1){
+ //idle a bit.
+ RFST=RFST_SIDLE;
+ while(MARCSTATE!=MARC_STATE_IDLE);
- while(MARCSTATE==MARC_STATE_RX && !RFTXRXIF); //Wait for byte to be ready.
- RFTXRXIF=0; //Clear the flag.
+ restore_settings();
+ //idle a bit, unecessary
+ //RFST=RFST_SFSTXON;
+ //while(MARCSTATE!=MARC_STATE_FSTXON);
- return;
+ //sleepMillis(100);
+ rxwait();
- packet[i++]=RFD; //Grab the next byte.
+ //idle w/ oscillator
+ //RFST=RFST_SFSTXON;
+ //while(MARCSTATE!=MARC_STATE_FSTXON);
+
+
+ //Transmit carrier for 10ms
+ carrier();
+ RFON;
+ //HALT;
+ //while(1);
+ sleepMillis(200);
+ //sleepMillis(100);
+ //sleepMillis(50);
+
+
+ //sleepMillis(10);
+ //HALT;
}
-
-
-
- //sleepMillis(10);
- //RFST = RFST_SIDLE; //End receive.
}
-//! Reflexively jam on the present channel by responding to a signal with a carrier wave.
-void main(){
- unsigned char threshold=packet[0], i=0, rssi=0;;
-
- //Disable interrupts.
- RFTXRXIE=0;
+//! Receives a packet out of the radio from 0xFE00.
+void rxwait(){
+ unsigned char len=16, i=0;
- //carrier();
+ //Test to always carry.
+ //return;
- //idle a bit.
- //RFST=RFST_SIDLE;
- //while(MARCSTATE!=MARC_STATE_IDLE);
-
- while(1){
- sleepMillis(5);
- rxwait();
+ do{
+ //1-out the buffer.
+ for(i=0;i<64;i++)
+ packet[i]=0xFF;
+ i=0;
+
+ //Disable interrupts.
+ RFTXRXIE=0;
//idle a bit.
- //RFST=RFST_SIDLE;
- //while(MARCSTATE!=MARC_STATE_IDLE);
- //HALT;
+ RFST=RFST_SIDLE;
+ while(MARCSTATE!=MARC_STATE_IDLE);
- //RFOFF;
+ //Begin to receive.
+ RFST=RFST_SRX;
+ while(MARCSTATE!=MARC_STATE_RX);
- //SYNC1=0xAA;
- //SYNC0=0xAA;
+ //RFST = RFST_SIDLE; //End receive.
+ //return;
- //Transmit carrier for 10ms
- carrier();
- //RFON;
- HALT;
- }
+
+ //Fixed length
+ packet[i++]=PKTLEN;
+ while(i<3){ //PKTLEN){
+ while(!RFTXRXIF); //Wait for byte to be ready.
+ RFTXRXIF=0; //Clear the flag.
+
+ packet[i++]=RFD; //Grab the next byte.
+ }
+
+ RFST = RFST_SIDLE; //End receive.
+
+ //This while loop can be used for filtering. Unused for now.
+ }while(0); //packet[0]==(char) 0x0f || packet[1]==(char) 0xFF || packet[9]==(char) 0x03);
}
+
+
projects / goodfet / blobdiff