diff options
| author | NIIBE Yutaka <gniibe@fsij.org> | 2017-07-06 15:52:46 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2017-07-06 15:52:46 +0900 |
| commit | 5d9802388c32934a4201fa29ccaf120d2faab8a7 (patch) | |
| tree | c53a60d8da1ae9b6ca0e19f8460379d128e5194a /mcu | |
| parent | 478dd2c78467bf5a2134867c55b33fca330f1644 (diff) | |
Fix USB driver on GNU/Linux.
Diffstat (limited to 'mcu')
| -rw-r--r-- | mcu/usb-usbip.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/mcu/usb-usbip.c b/mcu/usb-usbip.c index c6fac0a..47882ec 100644 --- a/mcu/usb-usbip.c +++ b/mcu/usb-usbip.c @@ -483,7 +483,7 @@ usbip_finish_urb (struct urb *urb, int r) static int -hc_handle_data_urb (struct usb_control *usbc_p) +hc_handle_data_urb (struct usb_control *usbc_p) { int r; uint16_t count; @@ -505,7 +505,7 @@ hc_handle_data_urb (struct usb_control *usbc_p) urb->data_p += count; urb->remain -= count; - if (count < 64) + if (urb->remain == 0 || count < 64) { size_t len = urb->len - urb->remain; @@ -532,11 +532,11 @@ hc_handle_data_urb (struct usb_control *usbc_p) urb->remain -= r; urb->data_p += r; - if (r < 64) + if (urb->remain == 0 || r < 64) { size_t len = urb->len - urb->remain; - fprintf (stderr, "<-data: %lu\n", len); + fprintf (stderr, "<-data: %lu %d\n", len, r); // successfully finished if (len) { @@ -1257,7 +1257,7 @@ control_read_data_transaction (char *buf, uint16_t count) if (usbc_ep0.state == USB_STATE_READY) { if (usbc_ep0.len > count) - fprintf (stderr, "*** length %d\n", usbc_ep0.len); + fprintf (stderr, "***c read: length %d > %d\n", usbc_ep0.len, count); else count = usbc_ep0.len; @@ -1339,16 +1339,14 @@ read_data_transaction (struct usb_control *usbc_p, int ep_num, char *buf, uint16_t count) { if (usbc_p->len > count) - { - fprintf (stderr, "*** length %d\n", usbc_p->len); - usbc_p->state = USB_STATE_STALL; - return -EPIPE; - } + fprintf (stderr, "*** length %d > %d\n", usbc_p->len, count); + else + count = usbc_p->len; usbc_p->state = USB_STATE_NAK; - memcpy (buf, usbc_p->buf, usbc_p->len); + memcpy (buf, usbc_p->buf, count); notify_device (USB_INTR_DATA_TRANSFER, ep_num, USBIP_DIR_IN); - return usbc_p->len; + return count; } void chx_handle_intr (uint32_t irq_num); @@ -2135,14 +2133,14 @@ usb_lld_setup_endp (struct usb_dev *dev, int ep_num, int rx_en, int tx_en) void usb_lld_stall_tx (int ep_num) { - printf ("stall tx %d", ep_num); + printf ("stall tx %d\n", ep_num); usbc_ep_in[ep_num].state = USB_STATE_STALL; } void usb_lld_stall_rx (int ep_num) { - printf ("stall rx %d", ep_num); + printf ("stall rx %d\n", ep_num); usbc_ep_out[ep_num].state = USB_STATE_STALL; } @@ -2175,5 +2173,5 @@ usb_lld_tx_enable_buf (int ep_num, const void *buf, size_t len) usbc_p->len = len; write (usbc_p->eventfd, &l, sizeof (l)); pthread_mutex_unlock (&usbc_p->mutex); - printf ("usb_lld_tx_enable_buf: %d\n", ep_num); + printf ("usb_lld_tx_enable_buf: %d %ld\n", ep_num, len); } |