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hackrf_usb: Make main loop non-blocking

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This commit is contained in:
Ben Gamari
2013-09-09 00:53:41 -04:00
parent 3ba8d33de8
commit 64ef3f71c0
1 changed files with 9 additions and 8 deletions
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17
firmware/hackrf_usb/hackrf_usb.c
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@ -978,16 +978,16 @@ int main(void) {
switchctrl = SWITCHCTRL_AMP_BYPASS; switchctrl = SWITCHCTRL_AMP_BYPASS;
#endif #endif
unsigned int phase = 0;
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)
cpld_update(); cpld_update();
// Wait until buffer 0 is transmitted/received.
while( usb_bulk_buffer_offset < 16384 );
// Set up IN transfer of buffer 0. // Set up IN transfer of buffer 0.
if (transceiver_mode != TRANSCEIVER_MODE_OFF) { if ( usb_bulk_buffer_offset >= 16384
&& phase == 1
&& transceiver_mode != TRANSCEIVER_MODE_OFF) {
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,
@ -995,13 +995,13 @@ int main(void) {
0x4000, 0x4000,
NULL, NULL NULL, NULL
); );
phase = 0;
} }
// Wait until buffer 1 is transmitted/received.
while( usb_bulk_buffer_offset >= 16384 );
// Set up IN transfer of buffer 1. // Set up IN transfer of buffer 1.
if (transceiver_mode != TRANSCEIVER_MODE_OFF) { if ( usb_bulk_buffer_offset < 16384
&& phase == 0
&& transceiver_mode != TRANSCEIVER_MODE_OFF) {
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,
@ -1009,6 +1009,7 @@ int main(void) {
0x4000, 0x4000,
NULL, NULL NULL, NULL
); );
phase = 1;
} }
} }