BYTE putPARTARRAYUSBUSART(BYTE *data, BYTE length) // JTR2 added reduced overhead
{
while ((Inbdp->BDSTAT & UOWN)) {
if (!TestUsbInterruptEnabled()) {
if (0 != FAST_usb_handler()) { // JTR2 Pop non-EP0 (USB IN) tranfers from the FIFO and also give SETUP PACKETs a chance.
return 0xff;
}
}
}
Inbdp->BDADDR = data;
Inbdp->BDCNT = length;
Inbdp->BDSTAT = ((Inbdp->BDSTAT ^ DTS) & DTS) | UOWN | DTSEN;
FAST_usb_handler();
return length;
}//end putUSBUSARTFAST
BYTE getsUSBUSART(BYTE *buffer, BYTE len) {
cdc_Out_len = 0;
if (0 == (Outbdp->BDSTAT & UOWN)) // Do we have a packet from host?
{
// Adjust the expected number of BYTEs to equal
// the actual number of BYTEs received.
if (len > Outbdp->BDCNT)
len = Outbdp->BDCNT;
// Copy data from dual-ram buffer to user's buffer
for (cdc_Out_len = 0; cdc_Out_len < len; cdc_Out_len++)
buffer[cdc_Out_len] = cdc_Out_buffer[cdc_Out_len];
// Prepare dual-ram buffer for next OUT transaction
if (!TestUsbInterruptEnabled()) {
FAST_usb_handler(); // JTR2 Pop non-EP0 (USB IN) tranfers from the FIFO and also give SETUP PACKETs a chance.
}
Outbdp->BDCNT = CDC_BUFFER_SIZE;
Outbdp->BDSTAT = ((Outbdp->BDSTAT ^ DTS) & DTS) | UOWN | DTSEN;
}//end if
return cdc_Out_len;
}//end getsUSBUSART
BYTE WaitInReady() // JTR2 added reduced overhead
{
while ((Inbdp->BDSTAT & UOWN)) {
if (!TestUsbInterruptEnabled()) {
if (0 != FAST_usb_handler()) // JTR2 Pop non-EP0 (USB IN) tranfers from the FIFO and also give SETUP PACKETs a chance.
return 0;
}
}
return 1;
}//end WaitInReady
