feat(hackrf): Callbacks for a possible UI

firmware/common/hackrf_core.c

@@ -27,6 +27,11 @@
 #include "rffc5071.h"
 #include "sgpio.h"
 #include "rf_path.h"
+
+#if HACKRF_ENABLE_UI
+#include "hackrf-ui.h"
+#endif
+
 #include <libopencm3/lpc43xx/i2c.h>
 #include <libopencm3/lpc43xx/cgu.h>
 #include <libopencm3/lpc43xx/gpio.h>
@@ -86,6 +91,10 @@ bool sample_rate_frac_set(uint32_t rate_num, uint32_t rate_denom)
 	uint32_t a, b, c;
 	uint32_t rem;
 
+#if HACKRF_ENABLE_UI
+	hackrf_ui_setSampleRate(rate_num/2);
+#endif
+
 	/* Find best config */
 	a = (VCO_FREQ * rate_denom) / rate_num;
 
@@ -169,7 +178,11 @@ bool sample_rate_set(const uint32_t sample_rate_hz) {
 	default:
 		return false;
 	}
-	
+
+#if HACKRF_ENABLE_UI
+	hackrf_ui_setSampleRate(sample_rate_hz);
+#endif
+
 	/* NOTE: Because MS1, 2, 3 outputs are slaved to PLLA, the p1, p2, p3
 	 * values are irrelevant. */
 	
@@ -250,7 +263,13 @@ bool sample_rate_set(const uint32_t sample_rate_hz) {
 }
 
 bool baseband_filter_bandwidth_set(const uint32_t bandwidth_hz) {
-	return max2837_set_lpf_bandwidth(bandwidth_hz);
+	uint32_t bandwidth_hz_real = max2837_set_lpf_bandwidth(bandwidth_hz);
+
+#if HACKRF_ENABLE_UI
+	if(bandwidth_hz_real) hackrf_ui_setFilterBW(bandwidth_hz_real);
+#endif
+
+	return bandwidth_hz_real != 0;
 }
 
 /* clock startup for Jellybean with Lemondrop attached

firmware/common/max2837.c

@@ -425,7 +425,7 @@ static const max2837_ft_t max2837_ft[] = {
 	{        0, 0 },
 };
 
-bool max2837_set_lpf_bandwidth(const uint32_t bandwidth_hz) {
+uint32_t max2837_set_lpf_bandwidth(const uint32_t bandwidth_hz) {
 	const max2837_ft_t* p = max2837_ft;
 	while( p->bandwidth_hz != 0 ) {
 		if( p->bandwidth_hz >= bandwidth_hz ) {
@@ -437,10 +437,9 @@ bool max2837_set_lpf_bandwidth(const uint32_t bandwidth_hz) {
 	if( p->bandwidth_hz != 0 ) {
 		set_MAX2837_FT(p->ft);
 		max2837_regs_commit();
-		return true;
-	} else {
-		return false;
 	}
+
+	return p->bandwidth_hz;
 }
 
 bool max2837_set_lna_gain(const uint32_t gain_db) {

firmware/common/max2837.h

@@ -59,7 +59,7 @@ extern void max2837_stop(void);
 /* Set frequency in Hz. Frequency setting is a multi-step function
  * where order of register writes matters. */
 extern void max2837_set_frequency(uint32_t freq);
-bool max2837_set_lpf_bandwidth(const uint32_t bandwidth_hz);
+uint32_t max2837_set_lpf_bandwidth(const uint32_t bandwidth_hz);
 bool max2837_set_lna_gain(const uint32_t gain_db);
 bool max2837_set_vga_gain(const uint32_t gain_db);
 bool max2837_set_txvga_gain(const uint32_t gain_db);

firmware/common/rf_path.c

@@ -27,6 +27,10 @@
 
 #include <hackrf_core.h>
 
+#if HACKRF_ENABLE_UI
+#include "hackrf-ui.h"
+#endif
+
 #include <mixer.h>
 #include <max2837.h>
 #include <max5864.h>
@@ -392,6 +396,10 @@ void rf_path_set_direction(const rf_path_direction_t direction) {
 	}
 
 	switchctrl_set(switchctrl);
+
+#if HACKRF_ENABLE_UI
+	hackrf_ui_setDirection(direction);
+#endif
 }
 
 void rf_path_set_filter(const rf_path_filter_t filter) {
@@ -434,6 +442,10 @@ void rf_path_set_lna(const uint_fast8_t enable) {
 	}
 	
 	switchctrl_set(switchctrl);
+
+#if HACKRF_ENABLE_UI
+	hackrf_ui_setLNAPower(enable);
+#endif
 }
 
 /* antenna port power control */

firmware/common/tuning.c

@@ -22,6 +22,10 @@
 
 #include "tuning.h"
 
+#if HACKRF_ENABLE_UI
+#include "hackrf-ui.h"
+#endif
+
 #include <mixer.h>
 #include <max2837.h>
 #include <sgpio.h>
@@ -108,6 +112,9 @@ bool set_freq(const uint64_t freq)
 	max2837_set_mode(prior_max2837_mode);
 	if( success ) {
 		freq_cache = freq;
+#if HACKRF_ENABLE_UI
+		hackrf_ui_setFrequency(freq);
+#endif
 	}
 	return success;
 }

firmware/hackrf_usb/hackrf_usb.c

@@ -48,6 +48,10 @@
 #include "usb_bulk_buffer.h"
 #include "si5351c.h"
  
+#if HACKRF_ENABLE_UI
+#include "hackrf-ui.h"
+#endif
+
 static volatile transceiver_mode_t _transceiver_mode = TRANSCEIVER_MODE_OFF;
 
 void set_transceiver_mode(const transceiver_mode_t new_transceiver_mode) {
@@ -246,11 +250,16 @@ int main(void) {
 	
 	nvic_set_priority(NVIC_USB0_IRQ, 255);
 
+#if HACKRF_ENABLE_UI
+	hackrf_ui_init();
+#endif
+
 	usb_run(&usb_device);
 	
 
 	ssp1_init();
 
+
 	rf_path_init();
 
 	unsigned int phase = 0;

firmware/hackrf_usb/usb_api_transceiver.c

@@ -24,6 +24,10 @@
 
 #include <libopencm3/lpc43xx/gpio.h>
 
+#if HACKRF_ENABLE_UI
+#include "hackrf-ui.h"
+#endif
+
 #include <max2837.h>
 #include <rf_path.h>
 #include <tuning.h>
@@ -147,6 +151,9 @@ usb_request_status_t usb_vendor_request_set_lna_gain(
 	if( stage == USB_TRANSFER_STAGE_SETUP ) {
 			const uint8_t value = max2837_set_lna_gain(endpoint->setup.index);
 			endpoint->buffer[0] = value;
+#if HACKRF_ENABLE_UI
+			if(value) hackrf_ui_setBBLNAGain(endpoint->setup.index);
+#endif
 			usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
 						    NULL, NULL);
 			usb_transfer_schedule_ack(endpoint->out);
@@ -161,6 +168,9 @@ usb_request_status_t usb_vendor_request_set_vga_gain(
 	if( stage == USB_TRANSFER_STAGE_SETUP ) {
 			const uint8_t value = max2837_set_vga_gain(endpoint->setup.index);
 			endpoint->buffer[0] = value;
+#if HACKRF_ENABLE_UI
+			if(value) hackrf_ui_setBBVGAGain(endpoint->setup.index);
+#endif
 			usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
 						    NULL, NULL);
 			usb_transfer_schedule_ack(endpoint->out);
@@ -175,6 +185,9 @@ usb_request_status_t usb_vendor_request_set_txvga_gain(
 	if( stage == USB_TRANSFER_STAGE_SETUP ) {
 			const uint8_t value = max2837_set_txvga_gain(endpoint->setup.index);
 			endpoint->buffer[0] = value;
+#if HACKRF_ENABLE_UI
+			if(value) hackrf_ui_setBBTXVGAGain(endpoint->setup.index);
+#endif
 			usb_transfer_schedule_block(endpoint->in, &endpoint->buffer, 1,
 						    NULL, NULL);
 			usb_transfer_schedule_ack(endpoint->out);