demo_cw.c

/* firmware.h contains all relevant headers */
#include "../firmware.h"

#include <stdio.h>

static const registerSetting_t preferredSettings_cw[]= 
{
   {CC112X_IOCFG3,         0x59},
   {CC112X_IOCFG2,         0x13},
   {CC112X_IOCFG1,         0xB0},
   {CC112X_IOCFG0,            0x06},
   {CC112X_SYNC_CFG1,         0x08},
   {CC112X_DEVIATION_M,       0xB4},
   {CC112X_MODCFG_DEV_E,      0x0A},
   {CC112X_DCFILT_CFG,        0x1C},
   {CC112X_PREAMBLE_CFG1,     0x00},
   {CC112X_FREQ_IF_CFG,       0x35},
   {CC112X_IQIC,              0xC6},
   {CC112X_CHAN_BW,           0x10},
   {CC112X_MDMCFG1,           0x06},
   {CC112X_MDMCFG0,           0x05},
   {CC112X_SYMBOL_RATE2,      0x40},
   {CC112X_SYMBOL_RATE1,      0x62},
   {CC112X_SYMBOL_RATE0,      0x4E},
   {CC112X_AGC_REF,           0x20},
   {CC112X_AGC_CS_THR,        0x19},
   {CC112X_AGC_CFG1,          0xA9},
   {CC112X_AGC_CFG0,          0xCF},
   {CC112X_FIFO_CFG,          0x00},
   {CC112X_SETTLING_CFG,      0x03},
   {CC112X_FS_CFG,            0x1B},
   {CC112X_PKT_CFG2,          0x05},
   {CC112X_PKT_CFG1,          0x00},
   {CC112X_PKT_CFG0,          0x20},
   {CC112X_PA_CFG2,           0x34},
   {CC112X_PA_CFG0,           0x7E},
   {CC112X_IF_MIX_CFG,        0x00},
   {CC112X_FREQOFF_CFG,       0x22},
   {CC112X_CFM_DATA_CFG,      0x01},
   {CC112X_FREQ2,             0x5A},
   {CC112X_FREQ1,             0xEF},
   {CC112X_FREQ0,             0xFF},
   {CC112X_IF_ADC0,           0x05},
   {CC112X_FS_DIG1,           0x00},
   {CC112X_FS_DIG0,           0x5F},
   {CC112X_FS_CAL0,           0x0E},
   {CC112X_FS_DIVTWO,         0x03},
   {CC112X_FS_DSM0,           0x33},
   {CC112X_FS_DVC0,           0x17},
   {CC112X_FS_PFD,            0x50},
   {CC112X_FS_PRE,            0x6E},
   {CC112X_FS_REG_DIV_CML,    0x14},
   {CC112X_FS_SPARE,          0xAC},
   {CC112X_XOSC5,             0x0E},
   {CC112X_XOSC3,             0xC7},
   {CC112X_XOSC1,             0x07},
   {CC112X_SERIAL_STATUS,     0x08},
};

#define UART_INTERFACE UART_CAMERA

static double freq = 145.5;
static double pwr = 10.0;

static uint8_t buffer[17] = "UOS3 UOS3 UOS3 k\0";
static uint32_t buffer_length = 16;

static void cw_tone_on(void)
{
  uint8_t pwr_reg;

  radio_reset_config(SPI_RADIO_TX, preferredSettings_cw, sizeof(preferredSettings_cw)/sizeof(registerSetting_t));
  manualCalibration(SPI_RADIO_TX);

  radio_set_freq_f(SPI_RADIO_TX, &freq);

  radio_set_pwr_f(SPI_RADIO_TX, &pwr, &pwr_reg);

  SPI_cmd(SPI_RADIO_TX, CC112X_STX);

  LED_on(LED_B);
}

static void cw_tone_off(void)
{
  radio_reset_config(SPI_RADIO_TX, preferredSettings_cw, sizeof(preferredSettings_cw)/sizeof(registerSetting_t));

  LED_off(LED_B);
}

int main(void)
{
  char output[100];

  Board_init();

  UART_init(UART_INTERFACE, 9600);
  UART_puts(UART_INTERFACE, "\r\nCW Radio Demo\r\n");

  sprintf(output,"Freq: %.3fMHz, Power: %+.1fdBmW\r\n", freq, pwr);
  UART_puts(UART_INTERFACE, output);

  while(1)
  {
    sprintf(output,"Sending Beacon :\"%s\"\r\n", buffer);
    UART_puts(UART_INTERFACE, output);

    Packet_cw_transmit_buffer(buffer, buffer_length, cw_tone_on, cw_tone_off);
    UART_puts(UART_INTERFACE, "Sent.\r\n");

    Delay_ms(3000);
  }
}