Example #1
0
void rf_path_set_direction(const rf_path_direction_t direction) {
	/* Turn off TX and RX amplifiers, then enable based on direction and bypass state. */
	switchctrl |= SWITCHCTRL_NO_TX_AMP_PWR | SWITCHCTRL_NO_RX_AMP_PWR;
	switch(direction) {
	case RF_PATH_DIRECTION_TX:
		switchctrl |= SWITCHCTRL_TX;
		if( (switchctrl & SWITCHCTRL_AMP_BYPASS) == 0 ) {
			/* TX amplifier is in path, be sure to enable TX amplifier. */
			switchctrl &= ~SWITCHCTRL_NO_TX_AMP_PWR;
		}
		rffc5071_tx();
		if( switchctrl & SWITCHCTRL_MIX_BYPASS ) {
			rffc5071_disable();
		} else {
			rffc5071_enable();
		}
		ssp1_set_mode_max5864();
		max5864_tx();
		ssp1_set_mode_max2837();
		max2837_tx();
		sgpio_configure(SGPIO_DIRECTION_TX);
		break;
	
	case RF_PATH_DIRECTION_RX:
		switchctrl &= ~SWITCHCTRL_TX;
		if( (switchctrl & SWITCHCTRL_AMP_BYPASS) == 0 ) {
			/* RX amplifier is in path, be sure to enable RX amplifier. */
			switchctrl &= ~SWITCHCTRL_NO_RX_AMP_PWR;
		}
		rffc5071_rx();
		if( switchctrl & SWITCHCTRL_MIX_BYPASS ) {
			rffc5071_disable();
		} else {
			rffc5071_enable();
		}
		ssp1_set_mode_max5864();
		max5864_rx();
		ssp1_set_mode_max2837();
		max2837_rx();
		sgpio_configure(SGPIO_DIRECTION_RX);
		break;
		
	case RF_PATH_DIRECTION_OFF:
	default:
#ifdef HACKRF_ONE
		rf_path_set_antenna(0);
#endif
		/* Set RF path to receive direction when "off" */
		switchctrl &= ~SWITCHCTRL_TX;
		rffc5071_disable();
		ssp1_set_mode_max5864();
		max5864_standby();
		ssp1_set_mode_max2837();
		max2837_set_mode(MAX2837_MODE_STANDBY);
		sgpio_configure(SGPIO_DIRECTION_RX);
		break;
	}

	switchctrl_set(switchctrl);
}
Example #2
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);
}
Example #3
0
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);
}