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Rename USB_TIMEOUT to USB_INFINITE_TIMEOUT and use it each time bulk read need to be infinite. (Thanks to Guty)

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This commit is contained in:
Romuald Conty 2011-06-10 10:04:31 +00:00
parent 850b3c2375
commit 29856a67a0
1 changed files with 6 additions and 6 deletions
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12
libnfc/drivers/pn53x_usb.c
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@ -40,13 +40,13 @@ Thanks to d18c7db and Okko for example code
#ifndef _WIN32
// Under POSIX system, we use libusb (>= 0.1.12)
#include <usb.h>
#define USB_TIMEOUT 0
#define USB_INFINITE_TIMEOUT 0
#define _usb_strerror( X ) strerror(-X)
#else
// Under Windows we use libusb-win32 (>= 1.2.4)
#include <lusb0_usb.h>
// libusb-win32's bug workaround: 0 as timeout does not means infite as expected
#define USB_TIMEOUT 10
#define USB_INFINITE_TIMEOUT 100
#define _usb_strerror( X ) usb_strerror()
#endif
@ -89,7 +89,7 @@ bool pn53x_usb_init (nfc_device_t *pnd);
int
pn53x_usb_bulk_read (struct pn53x_usb_data *data, byte_t abtRx[], const size_t szRx)
{
int res = usb_bulk_read (data->pudh, data->uiEndPointIn, (char *) abtRx, szRx, USB_TIMEOUT);
int res = usb_bulk_read (data->pudh, data->uiEndPointIn, (char *) abtRx, szRx, USB_INFINITE_TIMEOUT);
if (res > 0) {
PRINT_HEX ("RX", abtRx, res);
} else if (res < 0) {
@ -116,11 +116,11 @@ int
pn53x_usb_bulk_write (struct pn53x_usb_data *data, byte_t abtTx[], const size_t szTx)
{
PRINT_HEX ("TX", abtTx, szTx);
int res = usb_bulk_write (data->pudh, data->uiEndPointOut, (char *) abtTx, szTx, USB_TIMEOUT);
int res = usb_bulk_write (data->pudh, data->uiEndPointOut, (char *) abtTx, szTx, USB_INFINITE_TIMEOUT);
if (res > 0) {
// HACK This little hack is a well know problem of USB, see http://www.libusb.org/ticket/6 for more details
if ((res % data->uiMaxPacketSize) == 0) {
usb_bulk_write (data->pudh, data->uiEndPointOut, "\0", 0, USB_TIMEOUT);
usb_bulk_write (data->pudh, data->uiEndPointOut, "\0", 0, USB_INFINITE_TIMEOUT);
}
} else {
ERR ("Unable to write to USB (%s)", _usb_strerror (res));
@ -483,7 +483,7 @@ pn53x_usb_receive (nfc_device_t * pnd, byte_t * pbtData, const size_t szDataLen)
int res;
read:
res = pn53x_usb_bulk_read_ex (DRIVER_DATA (pnd), abtRxBuf, sizeof (abtRxBuf), delayed_reply ? 250 : 0);
res = pn53x_usb_bulk_read_ex (DRIVER_DATA (pnd), abtRxBuf, sizeof (abtRxBuf), delayed_reply ? 250 : USB_INFINITE_TIMEOUT);
if (delayed_reply && (res == -ETIMEDOUT)) {
if (DRIVER_DATA (pnd)->abort_flag) {