Sojus07/hackrf
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This commit is contained in:
Mike Walters
2016-07-01 20:09:15 +01:00
parent 31a37bd841
commit 9f2d6cdbea
1 changed files with 36 additions and 14 deletions
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22
firmware/hackrf_usb/hackrf_usb.c
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@ -28,6 +28,8 @@
#include <streaming.h> #include <streaming.h>
#include "tuning.h"
#include "usb.h" #include "usb.h"
#include "usb_standard_request.h" #include "usb_standard_request.h"
@ -239,6 +241,13 @@ int main(void) {
rf_path_init(&rf_path); rf_path_init(&rf_path);
unsigned int phase = 0; unsigned int phase = 0;
unsigned int blocks_queued = 0;
const uint64_t scan_freq_min = 100000000;
const uint64_t scan_freq_max = 6000000000;
const uint64_t scan_freq_step = 20000000;
uint64_t scan_freq = scan_freq_min;
set_freq(scan_freq);
while(true) { while(true) {
// Check whether we need to initiate a CPLD update // Check whether we need to initiate a CPLD update
if (start_cpld_update) if (start_cpld_update)
@ -248,6 +257,7 @@ int main(void) {
if ( usb_bulk_buffer_offset >= 16384 if ( usb_bulk_buffer_offset >= 16384
&& phase == 1 && phase == 1
&& transceiver_mode() != TRANSCEIVER_MODE_OFF) { && transceiver_mode() != TRANSCEIVER_MODE_OFF) {
if (blocks_queued == 2)
usb_transfer_schedule_block( usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX) (transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out, ? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
@ -256,12 +266,14 @@ int main(void) {
NULL, NULL NULL, NULL
); );
phase = 0; phase = 0;
blocks_queued++;
} }
// Set up IN transfer of buffer 1. // Set up IN transfer of buffer 1.
if ( usb_bulk_buffer_offset < 16384 if ( usb_bulk_buffer_offset < 16384
&& phase == 0 && phase == 0
&& transceiver_mode() != TRANSCEIVER_MODE_OFF) { && transceiver_mode() != TRANSCEIVER_MODE_OFF) {
if (blocks_queued == 2)
usb_transfer_schedule_block( usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX) (transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out, ? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
@ -270,6 +282,16 @@ int main(void) {
NULL, NULL NULL, NULL
); );
phase = 1; phase = 1;
blocks_queued++;
}
if (blocks_queued > 2) {
scan_freq += scan_freq_step;
if (scan_freq > scan_freq_max) {
scan_freq = scan_freq_min;
}
set_freq(scan_freq);
blocks_queued = 0;
} }
} }