static void radio_setup()
{
// Update RF231 config if board is patched
if (al04_has_slptr_on_timer)
{
_rf231_config.slp_tr_gpio = GPIO_C;
_rf231_config.slp_tr_pin = GPIO_PIN_6;
_rf231_config.slp_tr_af = GPIO_AF_2;
}
// Configure the radio chips
// Set IRQ as input IRQ
syscfg_select_exti_pin(EXTI_LINE_Px0, SYSCFG_PORT_B);
nvic_enable_interrupt_line(NVIC_IRQ_LINE_EXTI0);
// Set DIG2 as Timer input capture
gpio_set_alternate_function(GPIO_A, GPIO_PIN_6, GPIO_AF_3);
// Initialize the radio to put it in Sleep State
rf2xx_init(rf231);
// Set IRQ as input IRQ
syscfg_select_exti_pin(EXTI_LINE_Px1, SYSCFG_PORT_B);
nvic_enable_interrupt_line(NVIC_IRQ_LINE_EXTI1);
// Set DIG2 as Timer input capture
gpio_set_alternate_function(GPIO_A, GPIO_PIN_7, GPIO_AF_3);
// Initialize the radio to put it in Sleep State
rf2xx_init(rf212);
}
static void radio_setup()
{
// RF 231
// Set IRQ (PC4) as input IRQ
gpio_set_input(GPIO_C, GPIO_PIN_4);
afio_select_exti_pin(EXTI_LINE_Px4, AFIO_PORT_C);
nvic_enable_interrupt_line(NVIC_IRQ_LINE_EXTI4);
// Set DIG2 (PB0) as Timer 3 channel 3 input capture
// Configure the Timer Capture pins
gpio_set_input(GPIO_B, GPIO_PIN_0);
// Initialize the radio to put it in Sleep State
rf2xx_init(rf231);
}
int main()
{
uint8_t part_num, version_num;
// Initialize the platform
platform_init();
printf("Testing RF2XX\n");
// Set initial values
leds_on(LED_0);
leds_off(LED_1);
printf("Initializing RF212...");
// Init. the radio
rf2xx_init(rf212);
rf2xx_wakeup(rf212);
printf("OK\n");
printf("Reading RF212 PART_NUM (should be 7): ");
part_num = rf2xx_reg_read(rf212, RF2XX_REG__PART_NUM);
printf("%x\n", part_num);
printf("Reading RF212 VERSION_NUM (should be 1): ");
version_num = rf2xx_reg_read(rf212, RF2XX_REG__VERSION_NUM);
printf("%x\n", version_num);
while (1)
{
int i;
for (i = 0; i < 0x10000; i++)
{
__asm__("nop");
}
leds_toggle(LED_0 + LED_1);
}
return 0;
}
