int
ep1_send(char *buf, int len, usb_callback_t callback)
{
int i=0;
int flags;
if (usb_debug) printf( "\npxa_usb_send: "
"data len=%d state=%d blen=%d\n",
len, usbd_info.state, ep1_len);
if (usbd_info.state != USB_STATE_CONFIGURED) {
printf("state %d -ENODEV\n", usbd_info.state);
return -ENODEV;
}
if (ep1_len) {
ep1_retries++;
if (ep1_retries >3) {
printf("ep1_len %d -EBUSY\n", ep1_len);
ep1_retries = 0;
return -EBUSY;
}
}
ep1_retries = 0;
memcpy(ep1_buf, buf, len);
ep1_len = len;
ep1_callback = callback;
ep1_remain = len;
ep1_start();
return 0;
}
void ep1_int_hndlr(struct usb_request *usb_req)
{
ep1_remain = ep1_len - usb_req->length;
if (usb_debug)
printf("%s send finisned buf %x len %d remain %d\n",
__func__, usb_req->buf, usb_req->length, ep1_remain);
if (ep1_remain != 0) {
/* more data to go */
ep1_start();
} else {
ep1_done(0);
}
}
int sa1100_usb_recv(char *buf, int len, usb_callback_t callback)
{
int flags;
if (ep1_len)
return -EBUSY;
local_irq_save(flags);
//ep1_buf = buf;
ep1_len = len;
ep1_callback = callback;
ep1_remain = len;
ep1_curdmabuf = buf;
ep1_curdmalen = 0;
ep1_start();
local_irq_restore(flags);
return 0;
}
