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

Bugfix in retuning rate

Browse Source 
In sweep mode, frequency switching (retuning) must occur only
AFTER the requested number of samples has been received.
This commit is contained in:
Veloman Yunkan
2022-04-13 18:30:37 +04:00
parent 6738085f59
commit 3157111d08
1 changed files with 25 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
firmware/hackrf_usb/usb_api_sweep.c
View File

@ -121,6 +121,7 @@ void sweep_mode(uint32_t seq) {
// //
// 7. Process repeats from step 1. // 7. Process repeats from step 1.
unsigned int blocks_queued = 0;
unsigned int phase = 0; unsigned int phase = 0;
bool odd = true; bool odd = true;
uint16_t range = 0; uint16_t range = 0;
@ -170,6 +171,7 @@ void sweep_mode(uint32_t seq) {
// Use other buffer next time. // Use other buffer next time.
phase = (phase + 1) % 2; phase = (phase + 1) % 2;
if ( ++blocks_queued == dwell_blocks ) {
// Calculate next sweep frequency. // Calculate next sweep frequency.
if(INTERLEAVED == style) { if(INTERLEAVED == style) {
if(!odd && ((sweep_freq + step_width) >= ((uint64_t)frequencies[1+range*2] * FREQ_GRANULARITY))) { if(!odd && ((sweep_freq + step_width) >= ((uint64_t)frequencies[1+range*2] * FREQ_GRANULARITY))) {
@ -195,6 +197,8 @@ void sweep_mode(uint32_t seq) {
nvic_disable_irq(NVIC_USB0_IRQ); nvic_disable_irq(NVIC_USB0_IRQ);
set_freq(sweep_freq + offset); set_freq(sweep_freq + offset);
nvic_enable_irq(NVIC_USB0_IRQ); nvic_enable_irq(NVIC_USB0_IRQ);
blocks_queued = 0;
}
// Wait for M0 to resume RX. // Wait for M0 to resume RX.
while (m0_state.active_mode != M0_MODE_RX) while (m0_state.active_mode != M0_MODE_RX)