DMP_INLINE(void) USB_Standard_Request(USB_Device *usb)
{
switch (usb->Setup.bRequest)
{
// case 0x00: Get_Status(usb); break;
// case 0x01: Clear_Feature(usb); break;
// case 0x02: /* Reserved */ break;
// case 0x03: Set_Feature(usb); break;
// case 0x04: /* Reserved */ break;
case 0x05: Set_Address(usb); break;
case 0x06: Get_Descriptor(usb); break;
case 0x07: Set_Descriptor(usb); break;
case 0x08: Get_Configuration(usb); break;
case 0x09: Set_Configuration(usb); break;
case 0x0A: Get_Interface(usb); break;
case 0x0B: Set_Interface(usb); break;
case 0x0C: Synch_Frame(usb); break;
default: break;
};
}
void handle_Control ( )
{
unsigned int usb_cnt=0;
if((EP_STATUS_OUT & 0x01)||(EP_STATUS_IN & 0x01)) // 8 byte setup data received
{
EP_STATUS_OUT = 0x01; // write 1 to clear
EP_STATUS_IN = 0x01;
EP_STATE[0] = EP_IDLE; // force EP_STATE[0] to EP_IDLE
system.usbp0_data.wait_out_report=0;
if (CNT0 == 8) // Make sure that EP 0 has an Out Packet of size 8 byte
{
// added on 2011.5.8 to fix usb set_report error.
if (EP0_ADDR_DEF==0x21 && EP0_ADDR_DEF_1 == 0x09 )
{
USBINT0 = 0xc0;
Set_Report();
system.usbp0_data.report_id=EP0_ADDR_DEF_2;
system.usbp0_data.report_type = EP0_ADDR_DEF_3;
set_ep_rdy(EP_0); // 1:Endpoint 0 ready for transfer USB data.
}
else if(EP0_ADDR_DEF==0x21 && EP0_ADDR_DEF_1 == 0x01 )
{ // Fix SET_CUR request error
SET_CUR();
}
else
{
fifo_Read (EP_0, 8, (UINT8 *) & setup);
// Get setup Packet off of Fifo,
// it is currently Big-Endian
// Compiler Specific - these next three
// statements swap the bytes of the
// setup packet words to Big Endian so
// they can be compared to other 16-bit
// values elsewhere properly
// USBINT0 = 0xc0;
// set_ep_rdy(EP_0); // 1:Endpoint 0 ready for transfer USB data.
setup.wValue.i = setup.wValue.c[MSB] + ((int)setup.wValue.c[LSB] << 8); // High byte and low byte exchange()
setup.wIndex.i = setup.wIndex.c[MSB] + ( (int)setup.wIndex.c[LSB] << 8);
setup.wLength.i = setup.wLength.c[MSB] + ( (int)setup.wLength.c[LSB] << 8);
// Intercept HID class - specific requests
// Class request.
// if( (setup.bmRequestType & ~ 0x80) == DSC_HID)
if((setup.bmRequestType & cRequestType) == cClassReq)
{
#if 0
switch (setup.bRequest)
{
case GET_REPORT:
Get_Report ( );
break;
case SET_REPORT:
Set_Report();
break;
case GET_IDLE:
Get_Idle ( );
break;
case SET_IDLE:
Set_Idle ( );
break;
case GET_PROTOCOL:
Get_Protocol ( );
break;
case SET_PROTOCOL:
Set_Protocol ( );
break;
default:
force_Stall ( ); // Send stall to host if invalid
break; // request
}
#endif
switch(setup.bRequest)
{
// bmRequestType, bRequest, bChannelNum.(CN), bControlSelect(CS, include volume, mute etc.), bInterfaceNO, bTerminal/unit ID, wLength.
// CTL: 21 01 00 02 00 05 02 00
// DO: 00 00
case cSET_CUR:
if(setup.wIndex.c[1] >= 3) // HID interface.
{
Get_Report();
}
else
SET_CUR();
break;
case cSET_MIN:
if(setup.wIndex.c[1] >= 3) // HID interface.
{
Get_Idle();
}
else
SET_MIN();
break;
case cSET_MAX:
SET_MAX();
break;
case cSET_RES:
SET_RES();
break;
case cSET_MEM:
SET_MEM();
break;
/*
case GET_REPORT:
Get_Report();
break;
*/
case SET_REPORT:
Set_Report();
break;
/*
case GET_IDLE:
Get_Idle ( );
break;
*/
case SET_IDLE:
Set_Idle ( );
break;
case cGET_CUR:
GET_CUR();
break;
case cGET_MIN:
GET_MIN();
break;
case cGET_MAX:
GET_MAX();
break;
case cGET_RES:
GET_RES();
break;
case cGET_MEM:
GET_MEM();
break;
case cGET_STAT:
GET_STAT();
break;
default:
force_Stall ( ); // Send stall to host if invalid
break; // request
}
}
else
{
// Standard request.
switch (setup.bRequest) // Call correct subroutine to handle
{ // each kind of standard request
case GET_STATUS:
Get_Status ( );
break;
case CLEAR_FEATURE:
Clear_Feature ( );
break;
case SET_FEATURE:
Set_Feature ( );
break;
case SET_ADDRESS:
Set_Address ( );
break;
case GET_DESCRIPTOR:
Get_Descriptor ( );
break;
case GET_CONFIGURATION:
Get_Configuration ( );
break;
case SET_CONFIGURATION:
Set_Configuration( );
break;
case GET_INTERFACE:
Get_Interface ( );
break;
case SET_INTERFACE: // 01 0b 00 00(wValue) 01 00(wIndex) 00 00
Set_Interface ( ); // wValue:Interface alternate setting(0x0 is zero bandwith alternate setting, 0x01 is normal isochronous operate)
break; // wIndex: Interface number of one of the audiostreaming interface.
default:
force_Stall ( ); // Send stall to host if invalid request
break;
}
}
}
}
else
{
force_Stall ( ); // if rec setup data is not 8 byte , protacal stall
}
}
else if (EP_STATE[0] == EP_SET_ADDRESS) // Handle Status Phase of Set Address
{
FUNCT_ADR = setup.wValue.c[LSB]; // set usb Address SFR
EP_STATE[0] = EP_IDLE;
}
else if (EP_STATE[0] == EP_WAIT_STATUS)
{
EP_STATE[0] = EP_IDLE;
wait_tx_status=0;
}
else if (EP_STATE[0] == EP_RX) // See if endpoint should transmit
{ // Out Token. PC->Device.
if (DATASIZE >= EP0_PACKET_SIZE)
{
fifo_Read(EP_0, EP0_PACKET_SIZE, (unsigned char * )DATAPTR);
// Advance data pointer
DATAPTR += EP0_PACKET_SIZE;
// Decrement data size
DATASIZE -= EP0_PACKET_SIZE;
// Increment data sent counter
DATASENT += EP0_PACKET_SIZE;
}
else
{
// read bytes from FIFO
// // Report type: 0x01 input, 0x02 output, 0x03 feature report.
if( system.usbp0_data.wait_out_report && (system.usbp0_data.report_type==PC_SET_REPORT_2) && (system.usbp0_data.report_id==PC_SET_REPORT_1) )
{
system.usbp0_data.wait_out_report=0;
DATAPTR = & EP0_ADDR_DEF;
if(PC_SET_REPORT_1 == DATAPTR[0])
{
DATAPTR++;
DATASIZE--;
}
for ( system.usbp0_data.report_cnt = 0; // read num = NO fifo_data;
system.usbp0_data.report_cnt< DATASIZE;
system.usbp0_data.report_cnt ++ )
{
system.usbp0_data.set_report_data[system.usbp0_data.report_cnt] = DATAPTR[system.usbp0_data.report_cnt];
}
system.usbp0_data.aceept = 1;
system.usbp0_data.reday_report_flag = 0;
set_report_status_phace=1;
}
else
{
fifo_Read (EP_0, DATASIZE, (UINT8 * ) DATAPTR);
// KEYBOARD_OUT_REPORT
if (system.usbp0_data.wait_out_report)
{
numlock_sta = system.usbp0_data.out_report[0] & 0x01;
system.usbp0_data.out_report_index = DATASIZE;
system.usbp0_data.wait_out_report=0;
set_report_status_phace=1;
}
}
set_Wait_Status ( ); // set Endpoint to EP_WAIT_STATUS
}
if ( (DATASENT == setup.wLength.i) && (set_report_status_phace==0) )
{
set_Wait_Status ( );
}
set_report_status_phace=0;
}
if (EP_STATE[0] == EP_TX) // See if endpoint should transmit
{ // In Token, device->PC
if ((DATASIZE == 0))// || (DATASENT == setup.wLength.i)) // when all data has been sent over
{
set_Wait_Status ( );
}
else
{
CFG_EP0_1 = 0xc0;
if (DATASIZE >= EP0_PACKET_SIZE)
{
// Break Data into multiple packets if larger than Max Packet
fifo_Write (EP_0, EP0_PACKET_SIZE, (unsigned char*)DATAPTR);
// Advance data pointer
DATAPTR += EP0_PACKET_SIZE;
// Decrement data size
DATASIZE -= EP0_PACKET_SIZE;
// Increment data sent counter
DATASENT += EP0_PACKET_SIZE;
}
else
{
// If data is less than Max Packet size or zero
fifo_Write (EP_0, DATASIZE, (unsigned char*)DATAPTR);
// Increment data sent counter
DATASENT += DATASIZE;
// Decrement data size
DATASIZE = 0;
USBINT0 = 0xc0;
EP_RDY = 0x01 ;
// when usb_reset and send ok inttrupt (USBINT0&0x48)!=0 // when setup come (EP_STATUS & 0x01) will set
while(((USBINT0 & 0x4C) == 0) && ((EP_STATUS_OUT & 0x01) == 0)); //wait usb_reset, suspend or sending end interrupt happend, wait setup come
if((USBINT0&0x40) !=0)
{
CFG_EP0_1 =0x40;
EP_RDY = 0x01 ;
USBINT0 = 0xc0;
EP_STATE[0]= EP_WAIT_STATUS;
}
wait_tx_status = 1;
system.usbp0_data.wait_out_report=0;
}
}
}
if (system.usbp0_data.wait_out_report==0 && wait_tx_status ==0)
{
USBINT0 = 0xc0;
// set_ep_rdy(EP_0); // set ready to receive or send next packet
EP_RDY = 0x01 ;
}
}