Sojus07/hackrf
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Cleanup scan_mode usb transfer logic

Browse Source
This commit is contained in:
Mike Walters
2016-07-27 00:42:29 +01:00
parent 805e8c02e9
commit ccc424e21f
1 changed files with 19 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
firmware/hackrf_usb/usb_api_scan.c
View File

@ -70,43 +70,42 @@ void scan_mode(void) {
unsigned int blocks_queued = 0;
unsigned int phase = 0;
uint8_t *buffer;
bool transfer = false;
while(transceiver_mode() != TRANSCEIVER_MODE_OFF) {
// Set up IN transfer of buffer 0.
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 ( usb_bulk_buffer_offset >= 16384 && phase == 1) {
transfer = true;
buffer = &usb_bulk_buffer[0x0000];
phase = 0;
blocks_queued++;
}
// Set up IN transfer of buffer 1.
if ( usb_bulk_buffer_offset < 16384
&& phase == 0
&& transceiver_mode() != TRANSCEIVER_MODE_OFF) {
if ( usb_bulk_buffer_offset < 16384 && phase == 0) {
transfer = true;
buffer = &usb_bulk_buffer[0x4000];
phase = 1;
blocks_queued++;
}
if (transfer) {
usb_transfer_schedule_block(
(transceiver_mode() == TRANSCEIVER_MODE_RX)
? &usb_endpoint_bulk_in : &usb_endpoint_bulk_out,
&usb_bulk_buffer[0x4000],
&usb_endpoint_bulk_in,
buffer,
0x4000,
NULL, NULL
);
phase = 1;
blocks_queued++;
transfer = false;
}
if (blocks_queued > 2) {
scan_freq += scan_params.step_freq_mhz;
if (scan_freq > scan_params.max_freq_mhz) {
scan_freq = scan_params.min_freq_mhz;
}
set_freq(scan_freq*FREQ_GRANULARITY);
}
set_freq(scan_freq*FREQ_GRANULARITY);
blocks_queued = 0;
}
}