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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50
firmware/hackrf_usb/hackrf_usb.c
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@ -28,6 +28,8 @@
#include <streaming.h>
#include "tuning.h"
#include "usb.h"
#include "usb_standard_request.h"
@ -239,6 +241,13 @@ int main(void) {
rf_path_init(&rf_path);
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) {
// Check whether we need to initiate a CPLD update
if (start_cpld_update)
@ -248,28 +257,41 @@ int main(void) {
if ( usb_bulk_buffer_offset >= 16384
&& phase == 1
&& transceiver_mode() != TRANSCEIVER_MODE_OFF) {
usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
&usb_bulk_buffer[0x0000],
0x4000,
NULL, NULL
);
if (blocks_queued == 2)
usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
&usb_bulk_buffer[0x0000],
0x4000,
NULL, NULL
);
phase = 0;
blocks_queued++;
}
// Set up IN transfer of buffer 1.
if ( usb_bulk_buffer_offset < 16384
&& phase == 0
&& transceiver_mode() != TRANSCEIVER_MODE_OFF) {
usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
&usb_bulk_buffer[0x4000],
0x4000,
NULL, NULL
);
if (blocks_queued == 2)
usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
&usb_bulk_buffer[0x4000],
0x4000,
NULL, NULL
);
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;
}
}