Carrier shell code. Unused at present.
[goodfet] / shellcode / chipcon / cc1110 / carrier.c
diff --git a/shellcode/chipcon/cc1110/carrier.c b/shellcode/chipcon/cc1110/carrier.c
new file mode 100644 (file)
index 0000000..c7518bd
--- /dev/null
@@ -0,0 +1,79 @@
+#include <cc1110.h>
+#include "cc1110-ext.h"
+
+
+
+//! Generates a carrier wave.
+void main(){
+  // 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;
+
+
+  /* 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.
+   */
+  FSCTRL1   = 0x0A;   // Frequency synthesizer control.
+  FSCTRL0   = 0x00;   // Frequency synthesizer control.
+  
+  
+    
+  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 = 0x50;   // 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.
+   */
+  SYNC1     = 0xAA;
+  SYNC0     = 0xAA;
+
+  /* Put radio in TX. 
+  RFST      = RFST_STX;
+  while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
+  */
+
+  
+#define RFON RFST = RFST_STX; while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
+#define RFOFF RFST=RFST_SIDLE;
+  RFON;
+  while(1);
+  
+  RFST      = RFST_SIDLE;
+  
+  
+  
+}