2 #include "cc1110-ext.h"
4 char __xdata at 0xfe00 packet[256] ;
7 // Set the system clock source to HS XOSC and max CPU speed,
8 // ref. [clk]=>[clk_xosc.c]
9 SLEEP &= ~SLEEP_OSC_PD;
10 while( !(SLEEP & SLEEP_XOSC_S) );
11 CLKCON = (CLKCON & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1;
12 while (CLKCON & CLKCON_OSC);
13 SLEEP |= SLEEP_OSC_PD;
16 /* Setup radio with settings from SmartRF® Studio. The default settings are
17 * used, except that "unmodulated" is chosen in the "Simple RX tab". This
18 * results in an umodulated carrier with a frequency of approx. 2.433 GHz.
20 FSCTRL1 = 0x0A; // Frequency synthesizer control.
21 FSCTRL0 = 0x00; // Frequency synthesizer control.
25 MDMCFG4 = 0x86; // Modem configuration.
26 MDMCFG3 = 0x83; // Modem configuration.
27 MDMCFG2 = 0x30; // Modem configuration.
28 MDMCFG1 = 0x22; // Modem configuration.
29 MDMCFG0 = 0xF8; // Modem configuration.
30 CHANNR = 0x00; // Channel number.
31 DEVIATN = 0x00; // Modem deviation setting (when FSK modulation is enabled).
32 FREND1 = 0x56; // Front end RX configuration.
33 FREND0 = 0x10; // Front end RX configuration.
34 MCSM0 = 0x14; // Main Radio Control State Machine configuration.
35 FOCCFG = 0x16; // Frequency Offset Compensation Configuration.
36 BSCFG = 0x6C; // Bit synchronization Configuration.
37 AGCCTRL2 = 0x03; // AGC control.
38 AGCCTRL1 = 0x40; // AGC control.
39 AGCCTRL0 = 0x91; // AGC control.
40 FSCAL3 = 0xE9; // Frequency synthesizer calibration.
41 FSCAL2 = 0x2a; // Frequency synthesizer calibration.
42 FSCAL1 = 0x00; // Frequency synthesizer calibration.
43 FSCAL0 = 0x1f; // Frequency synthesizer calibration
45 TEST2 = 0x88; // Various test settings.
46 TEST1 = 0x31; // Various test settings.
47 TEST0 = 0x09; // Various test settings.
50 PA_TABLE0 = 0xFF; // PA output power setting.
51 PKTCTRL1 = 0x04; // Packet automation control.
52 PKTCTRL0 = 0x22; // Packet automation control.
53 ADDR = 0x00; // Device address.
54 PKTLEN = 0xFF; // Packet length.
56 /* Settings not from SmartRF® Studio. Setting both sync word registers to
57 * 0xAA = 0b10101010, i.e., the same as the preamble pattern. Not necessary,
58 * but gives control of what the radio attempts to transmit.
65 while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
69 #define RFON RFST = RFST_SIDLE; RFST = RFST_STX; while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
70 #define RFOFF RFST = RFST_SIDLE; //while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_IDLE);
78 void sleepMillis(int ms) {
83 for (j=0; j<1200;j++); // about 1 millisecond
87 //! Reflexively jam on the present channel by responding to a signal with a carrier wave.
89 unsigned char threshold=packet[0], i=0, rssi=0;;
104 //Wait for the transmission.
106 while(MARCSTATE!=MARC_STATE_RX);
110 //Wait for RSSI to settle.
115 //Delay until the RSSI is above the threshold.
116 while(rssi<threshold){
129 //tx carrier for 10 ms
138 //Carrier will clear when the loop continue,
139 //but we can HALT to give the host a chance to take over.
142 //RFST = RFST_SIDLE; //End transmit.