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Working on iso

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This commit is contained in:
Kyle Lemons
2012-04-15 18:58:18 -07:00
parent 9849a972c6
commit 1e5170b125
4 changed files with 86 additions and 32 deletions
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46
usb/iso.c
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@@ -1,9 +1,49 @@
#include <libusb-1.0/libusb.h>
#include <stdio.h>
#include <string.h>
void _callback(struct libusb_transfer *xfer) {
void print_xfer(struct libusb_transfer *xfer);
void callback(struct libusb_transfer *xfer) {
printf("Callback!\n");
print_xfer(xfer);
iso_callback(xfer->user_data);
}
libusb_transfer_cb_fn callback() {
return &_callback;
int submit(struct libusb_transfer *xfer) {
xfer->callback = &callback;
xfer->status = -1;
//print_xfer(xfer);
printf("Transfer submitted\n");
/* fake
strcpy(xfer->buffer, "hello");
xfer->actual_length = 5;
callback(xfer);
return 0; */
return libusb_submit_transfer(xfer);
}
void print_xfer(struct libusb_transfer *xfer) {
int i;
printf("Transfer:\n");
//printf(" dev_handle: %p\n", xfer->dev_handle);
//printf(" flags: %08x\n", xfer->flags);
printf(" endpoint: %x\n", xfer->endpoint);
//printf(" type: %x\n", xfer->type);
printf(" timeout: %dms\n", xfer->timeout);
printf(" status: %x\n", xfer->status);
printf(" length: %d (%d)\n", xfer->length, xfer->actual_length);
//printf(" callback: %p\n", xfer->callback);
//printf(" user_data: %p\n", xfer->user_data);
//printf(" buffer: %p\n", xfer->buffer);
printf(" num_iso_pkts: %d\n", xfer->num_iso_packets);
printf(" packets:\n");
for (i = 0; i < xfer->num_iso_packets; i++) {
printf(" [%04d] %d (%d) %x\n", i,
xfer->iso_packet_desc[i].length,
xfer->iso_packet_desc[i].actual_length,
xfer->iso_packet_desc[i].status);
}
}