// see usb_hw_layer.h for documentation
int1 usb_put_packet(int8 endpoint, int8 * ptr, int16 len, USB_DTS_BIT tgl)
{
int8 * buff_add;
if (usb_tbe(endpoint))
{
buff_add = EP_BDxADR_I(endpoint);
memcpy(buff_add, ptr, len);
return(usb_flush_in(endpoint, len, tgl));
}
return(0);
}
// see usb_hw_layer.h for documentation
int1 usb_put_packet(unsigned int8 endpoint, unsigned int8 * ptr, unsigned int16 len, USB_DTS_BIT tgl)
{
unsigned int8 * buff_add;
if (usb_tbe(endpoint))
{
buff_add = EP_BDxADR_I(endpoint);
memcpy(buff_add, ptr, len);
return(usb_flush_in(endpoint, len, tgl));
}
else
{
//putc('-');
//printf("%X", EP_BDxST_I(endpoint));
debug_usb(debug_putc,"\r\nPUT ERR");
}
return(0);
}
void usb_isr_tok_dne(void)
{
int8 en;
en = USTATCopy>>3;
if (USTATCopy == USTAT_OUT_SETUP_E0)
{
//new out or setup token in the buffer
int8 pidKey;
pidKey = EP_BDxST_O(0) & 0x3C; //save PID
EP_BDxST_O(0) &= 0x43; //clear pid, prevent bdstal/pid confusion
if (pidKey == USB_PIC_PID_SETUP)
{
if ((EP_BDxST_I(0) & 0x80) != 0x00)
EP_BDxST_I(0)=0; // return the in buffer to us (dequeue any pending requests)
usb_isr_tok_setup_dne();
UCON_PKTDIS=0; // UCON,PKT_DIS ; Assuming there is nothing to dequeue, clear the packet disable bit
//if setup_0_tx_size==0xFF - stall ep0 (unhandled request) (see usb_request_stall())
//if setup_0_tx_size==0xFE - get EP0OUT ready for a data packet, leave EP0IN alone (see usb_request_get_data())
//else setup_0_tx_size=size of response, get EP0OUT ready for a setup packet, mark EPOIN ready for transmit (see usb_request_send_response())
if (__setup_0_tx_size == 0xFF)
usb_flush_out(0, USB_DTS_STALL);
else
{
usb_flush_out(0, USB_DTS_TOGGLE);
if (__setup_0_tx_size != 0xFE)
usb_flush_in(0 ,__setup_0_tx_size, USB_DTS_USERX);
}
}
else if (pidKey == USB_PIC_PID_OUT)
{
usb_isr_tok_out_dne(0);
usb_flush_out(0, USB_DTS_TOGGLE);
if ((__setup_0_tx_size!=0xFE) && (__setup_0_tx_size!=0xFF))
{
usb_flush_in(0,__setup_0_tx_size,USB_DTS_DATA1); //send response (usually a 0len)
}
}
}
else if (USTATCopy == USTAT_IN_E0)
{
//pic -> host transfer completed
EP_BDxST_I(0) = EP_BDxST_I(0) & 0x43; //clear up any BDSTAL confusion
__setup_0_tx_size = 0xFF;
usb_isr_tok_in_dne(0);
if (__setup_0_tx_size!=0xFF)
usb_flush_in(0, __setup_0_tx_size, USB_DTS_TOGGLE);
else
{
//usb_init_ep0_setup(); //REMOVED JUN/9/2009
}
}
else
{
if (!bit_test(USTATCopy, 2))
{
EP_BDxST_O(en) = EP_BDxST_O(en) & 0x43; //clear up any BDSTAL confusion
usb_isr_tok_out_dne(en);
}
else
{
EP_BDxST_I(en) = EP_BDxST_I(en) & 0x43; //clear up any BDSTAL confusion
usb_isr_tok_in_dne(en);
}
}
}
