// see pic18_usb.h for documentation
int1 usb_flush_in(int8 endpoint, int16 len, USB_DTS_BIT tgl)
{
unsigned int8 i;
debug_usb(debug_putc,"\r\nPUT %X %U %LU",endpoint, tgl, len);
if (usb_tbe(endpoint))
{
EP_BDxCNT_I(endpoint)=len;
debug_display_ram(len, EP_BDxADR_I(endpoint));
#if USB_IGNORE_TX_DTS
i=0x80;
#else
if (tgl == USB_DTS_TOGGLE)
{
i = EP_BDxST_I(endpoint);
if (bit_test(i,6))
tgl = USB_DTS_DATA0; //was DATA1, goto DATA0
else
tgl = USB_DTS_DATA1; //was DATA0, goto DATA1
}
else if (tgl == USB_DTS_USERX)
{
i = EP_BDxST_O(endpoint);
if (bit_test(i,6))
tgl = USB_DTS_DATA1;
else
tgl = USB_DTS_DATA0;
}
if (tgl == USB_DTS_DATA1)
i=0xC8; //DATA1, UOWN
else //if (tgl == USB_DTS_DATA0)
i=0x88; //DATA0, UOWN
#endif
//set BC8 and BC9
if (bit_test(len,8)) {bit_set(i,0);}
if (bit_test(len,9)) {bit_set(i,1);}
debug_usb(debug_putc, " %X", i);
EP_BDxST_I(endpoint) = i;//save changes
//putc('!');
return(1);
}
else
{
//putc('_');
debug_usb(debug_putc,"\r\nPUT ERR");
}
return(0);
}
// see usb_hw_layer.h for documentation
void usb_set_configured(int8 config)
{
int8 en;
int16 addy;
int8 new_uep;
int16 len;
int8 i;
/*if (config == 0)
{
// if config=0 then set addressed state
usb_state = USB_STATE_ADDRESS;
usb_disable_endpoints();
}
else */
{
// else set configed state
usb_state = USB_STATE_CONFIGURED;
addy = (int16)USB_DATA_BUFFER_LOCATION+(2*USB_MAX_EP0_PACKET_LENGTH);
for (en=1; en<USB_NUM_UEP; en++)
{
// enable and config endpoints based upon user configuration
usb_disable_endpoint(en);
new_uep = 0;
if (usb_ep_rx_type[en] != USB_ENABLE_DISABLED)
{
new_uep = 0x04;
len = usb_ep_rx_size[en];
EP_BDxCNT_O(en) = len;
EP_BDxADR_O(en) = addy;
addy += usb_ep_rx_size[en];
#if USB_IGNORE_RX_DTS
i = 0x80;
#else
i = 0x88;
#endif
if (bit_test(len,8)) {bit_set(i,0);}
if (bit_test(len,9)) {bit_set(i,1);}
EP_BDxST_O(en) = i;
}
if (usb_ep_tx_type[en] != USB_ENABLE_DISABLED)
{
new_uep |= 0x02;
EP_BDxADR_I(en) = addy;
addy += usb_ep_tx_size[en];
EP_BDxST_I(en) = 0x40;
}
if (new_uep == 0x06) {new_uep = 0x0E;}
if (usb_ep_tx_type[en] != USB_ENABLE_ISOCHRONOUS) {new_uep |= 0x10;}
UEP(en) = new_uep;
}
}
}
void usb_init_ep0_setup(void)
{
EP_BDxCNT_O(0) = USB_MAX_EP0_PACKET_LENGTH;
EP_BDxADR_O(0) = USB_DATA_BUFFER_LOCATION;
#if USB_IGNORE_RX_DTS
EP_BDxST_O(0) = 0x80; //give control to SIE, data toggle synch off
#else
EP_BDxST_O(0) = 0x88; //give control to SIE, DATA0, data toggle synch on
#endif
EP_BDxST_I(0) = 0;
EP_BDxADR_I(0) = USB_DATA_BUFFER_LOCATION + (int16)USB_MAX_EP0_PACKET_LENGTH;
}
// 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);
}
