int main(void)
{
const uint32_t freq = 2441000000U;
pin_setup();
gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */
cpu_clock_init();
ssp1_init();
gpio_set(PORT_LED1_3, (PIN_LED1)); /* LED1 on */
ssp1_set_mode_max2837();
max2837_setup();
rffc5071_setup();
gpio_set(PORT_LED1_3, (PIN_LED2)); /* LED2 on */
max2837_set_frequency(freq);
max2837_start();
max2837_tx();
gpio_set(PORT_LED1_3, (PIN_LED3)); /* LED3 on */
while (1);
max2837_stop();
return 0;
}
void rf_path_init(void) {
ssp1_set_mode_max5864();
max5864_shutdown();
ssp1_set_mode_max2837();
max2837_setup();
max2837_start();
rffc5071_setup();
switchctrl_set(switchctrl);
}
void rf_path_init(rf_path_t* const rf_path) {
ssp1_set_mode_max5864();
max5864_setup(&max5864);
max5864_shutdown(&max5864);
ssp1_set_mode_max2837();
max2837_setup(&max2837);
max2837_start(&max2837);
rffc5071_setup(&rffc5072);
switchctrl_set(rf_path, switchctrl);
}
void set_transceiver_mode(const transceiver_mode_t new_transceiver_mode) {
baseband_streaming_disable();
transceiver_mode = new_transceiver_mode;
usb_init_buffers_bulk();
if( transceiver_mode == TRANSCEIVER_MODE_RX ) {
gpio_clear(PORT_LED1_3, PIN_LED3);
gpio_set(PORT_LED1_3, PIN_LED2);
usb_endpoint_init(&usb_endpoint_bulk_in);
rffc5071_rx(switchctrl);
//rffc5071_set_frequency(1700, 0); // 2600 MHz IF - 1700 MHz LO = 900 MHz RF
max2837_start();
max2837_rx();
} else if (transceiver_mode == TRANSCEIVER_MODE_TX) {
gpio_clear(PORT_LED1_3, PIN_LED2);
gpio_set(PORT_LED1_3, PIN_LED3);
usb_endpoint_init(&usb_endpoint_bulk_out);
rffc5071_tx(switchctrl);
//rffc5071_set_frequency(1700, 0); // 2600 MHz IF - 1700 MHz LO = 900 MHz RF
max2837_start();
max2837_tx();
} else {
gpio_clear(PORT_LED1_3, PIN_LED2);
gpio_clear(PORT_LED1_3, PIN_LED3);
max2837_stop();
return;
}
sgpio_configure(transceiver_mode, true);
nvic_set_priority(NVIC_SGPIO_IRQ, 0);
nvic_enable_irq(NVIC_SGPIO_IRQ);
SGPIO_SET_EN_1 = (1 << SGPIO_SLICE_A);
sgpio_cpld_stream_enable();
}
