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Provide a callback for completion of a TX transfer.

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This commit is contained in:
Martin Ling
2022-09-22 01:53:49 +01:00
committed by Michael Ossmann
parent 2448796e35
commit 14093fe73b
3 changed files with 55 additions and 55 deletions
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34
host/libhackrf/src/hackrf.c
View File

@@ -148,6 +148,7 @@ struct hackrf_device {
bool flush;
struct libusb_transfer* flush_transfer;
hackrf_flush_cb_fn flush_callback;
hackrf_tx_block_complete_cb_fn tx_completion_callback;
void* flush_ctx;
};
@@ -728,6 +729,7 @@ static int hackrf_open_setup(libusb_device_handle* usb_device, hackrf_device** d
lib_device->flush_transfer = NULL;
lib_device->flush_callback = NULL;
lib_device->flush_ctx = NULL;
lib_device->tx_completion_callback = NULL;
result = pthread_mutex_init(&lib_device->transfer_lock, NULL);
if (result != 0) {
@@ -1800,18 +1802,24 @@ static void LIBUSB_CALL
hackrf_libusb_transfer_callback(struct libusb_transfer* usb_transfer)
{
hackrf_device* device = (hackrf_device*) usb_transfer->user_data;
bool resubmit;
bool success, resubmit;
int result;
if (usb_transfer->status == LIBUSB_TRANSFER_COMPLETED) {
hackrf_transfer transfer = {
.device = device,
.buffer = usb_transfer->buffer,
.buffer_length = TRANSFER_BUFFER_SIZE,
.valid_length = usb_transfer->actual_length,
.rx_ctx = device->rx_ctx,
.tx_ctx = device->tx_ctx};
hackrf_transfer transfer = {
.device = device,
.buffer = usb_transfer->buffer,
.buffer_length = TRANSFER_BUFFER_SIZE,
.valid_length = usb_transfer->actual_length,
.rx_ctx = device->rx_ctx,
.tx_ctx = device->tx_ctx};
success = usb_transfer->status == LIBUSB_TRANSFER_COMPLETED;
if (device->tx_completion_callback != NULL) {
device->tx_completion_callback(&transfer, success);
}
if (success) {
if (device->streaming && device->callback(&transfer) == 0) {
// Take lock to make sure that we don't restart a
// transfer whilst cancel_transfers() is in the middle
@@ -2010,6 +2018,14 @@ int ADDCALL hackrf_start_tx(
return result;
}
ADDAPI int ADDCALL hackrf_set_tx_block_complete_callback(
hackrf_device* device,
hackrf_tx_block_complete_cb_fn callback)
{
device->tx_completion_callback = callback;
return HACKRF_SUCCESS;
}
ADDAPI int ADDCALL hackrf_enable_tx_flush(
hackrf_device* device,
hackrf_flush_cb_fn callback,

5
host/libhackrf/src/hackrf.h
View File

@@ -228,6 +228,7 @@ struct hackrf_device_list {
typedef struct hackrf_device_list hackrf_device_list_t;
typedef int (*hackrf_sample_block_cb_fn)(hackrf_transfer* transfer);
typedef void (*hackrf_tx_block_complete_cb_fn)(hackrf_transfer* transfer, int);
typedef void (*hackrf_flush_cb_fn)(void* flush_ctx);
#ifdef __cplusplus
@@ -271,6 +272,10 @@ extern ADDAPI int ADDCALL hackrf_start_tx(
hackrf_sample_block_cb_fn callback,
void* tx_ctx);
extern ADDAPI int ADDCALL hackrf_set_tx_block_complete_callback(
hackrf_device* device,
hackrf_tx_block_complete_cb_fn callback);
extern ADDAPI int ADDCALL hackrf_enable_tx_flush(
hackrf_device* device,
hackrf_flush_cb_fn callback,