void
nRFCMD_Execute (void)
{
nRFCMD_Config (NRF_CONFIG_BYTE | NRF_CONFIG_PWR_UP);
sleep_jiffies (JIFFIES_PER_MS (1.5));
CONFIG_PIN_CE = 1;
sleep_jiffies (JIFFIES_PER_MS (1));
CONFIG_PIN_CE = 0;
nRFCMD_Config (NRF_CONFIG_BYTE);
}
void pwm(uint16_t jiffies)
{
CONFIG_PIN_LED = 1;
CONFIG_PIN_TX_POWER = 1;
sleep_jiffies (jiffies);
CONFIG_PIN_LED = 0;
CONFIG_PIN_TX_POWER = 0;
sleep_jiffies (JIFFIES_PER_MS (20)-jiffies);
}
void
nRFCMD_Init (void)
{
/* update CPU default pin settings */
CONFIG_PIN_CSN = 1;
CONFIG_PIN_CE = 0;
CONFIG_PIN_MOSI = 0;
CONFIG_PIN_SCK = 0;
sleep_jiffies (JIFFIES_PER_MS (2));
/* send initialization macro to RF chip */
nRFCMD_Macro (g_MacroInitialization);
}
void
nRFCMD_Listen (uint8_t jiffies)
{
nRFCMD_Config (NRF_CONFIG_BYTE | NRF_CONFIG_PWR_UP);
sleep_jiffies (JIFFIES_PER_MS (1.5));
nRFCMD_Config (NRF_CONFIG_BYTE | NRF_CONFIG_PWR_UP | NRF_CONFIG_PRIM_RX);
CONFIG_PIN_CE = 1;
sleep_jiffies (jiffies);
CONFIG_PIN_CE = 0;
/* keep powered after IRQ */
nRFCMD_Config (CONFIG_PIN_IRQ ? NRF_CONFIG_BYTE : NRF_CONFIG_BYTE |
NRF_CONFIG_PWR_UP);
}
void
main (void)
{
uint8_t j;
/* configure CPU peripherals */
OSCCON = CONFIG_CPU_OSCCON_SLOW;
OPTION_REG = CONFIG_CPU_OPTION;
PORTA = CONFIG_CPU_PORTA;
PORTC = CONFIG_CPU_PORTC;
TRISA = CONFIG_CPU_TRISA;
TRISC = CONFIG_CPU_TRISC;
WPUA = CONFIG_CPU_WPUA;
WPUC = CONFIG_CPU_WPUC;
ANSELA = CONFIG_CPU_ANSELA;
ANSELC = CONFIG_CPU_ANSELC;
INTE = 0;
CONFIG_PIN_SENSOR = 0;
CONFIG_PIN_TX_POWER = 0;
/* initalize hardware */
timer_init ();
/* verify RF chip */
nRFCMD_Init ();
while(1)
{
nRFCMD_Channel (23);
if(nRFCMD_RegGet (NRF_REG_RF_CH)==23)
{
nRFCMD_Channel (42);
if(nRFCMD_RegGet (NRF_REG_RF_CH)==42)
break;
}
CONFIG_PIN_LED = 1;
sleep_jiffies (JIFFIES_PER_MS (25));
CONFIG_PIN_LED = 0;
sleep_jiffies (JIFFIES_PER_MS (25));
}
/* blink to show readyiness */
for (j = 0; j <= 10; j++)
{
CONFIG_PIN_LED = j & 1;
sleep_jiffies (JIFFIES_PER_MS (25));
}
// switch to listening channel
nRFCMD_Channel (CONFIG_TRACKER_CHANNEL);
while (1)
{
/*
nRFCMD_Listen (JIFFIES_PER_MS (500));
if (!CONFIG_PIN_IRQ)
{
while ((nRFCMD_RegGet (NRF_REG_FIFO_STATUS) &
NRF_FIFO_RX_EMPTY) == 0)
{
// receive raw data
nRFCMD_RegRead (RD_RX_PLOAD, pkt, sizeof (pkt));
nRFCMD_RegPut (NRF_REG_STATUS | WRITE_REG,
NRF_CONFIG_MASK_RX_DR);
CONFIG_PIN_LED = 1;
sleep_jiffies (JIFFIES_PER_MS (100));
}
}
CONFIG_PIN_LED = 1;
// blink for 1ms
sleep_jiffies (JIFFIES_PER_MS (1));
// disable LED
CONFIG_PIN_LED = 0;
*/
for(j=0;j<200;j++)
pwm(10);
for(j=0;j<200;j++)
pwm(30);
}
}
void
sleep_2ms (void)
{
sleep_jiffies (JIFFIES_PER_MS(2));
}
void
nRFCMD_StartRX (void)
{
nRFCMD_Macro (g_MacroStartRX);
sleep_jiffies ( JIFFIES_PER_MS(1) );
}
