//----------------------------------------------------------------------------
void usbReceiveNextPacketOnOEP0(void)
{
uint8_t bIndex,bByte;
bByte = tEndPoint0DescriptorBlock.bOEPBCNT & EPBCNT_uint8_tCNT_MASK;
if(wBytesRemainingOnOEP0 >= (uint16_t)bByte)
{
for(bIndex=0;bIndex<bByte;bIndex++)
{
*pbOEP0Buffer = abOEP0Buffer[bIndex];
pbOEP0Buffer++;
}
wBytesRemainingOnOEP0 -= (uint16_t)bByte;
// clear the NAK bit for next packet
if(wBytesRemainingOnOEP0 > 0)
{
usbClearOEP0ByteCount();
bStatusAction = STATUS_ACTION_DATA_OUT;
}
else
{
usbStallOEP0();
bStatusAction = STATUS_ACTION_NOTHING;
}
}
else
{
usbStallOEP0();
bStatusAction = STATUS_ACTION_NOTHING;
}
}
void usbGetConfiguration(void)
{
usbClearOEP0ByteCount(); // for status stage
wBytesRemainingOnIEP0 = 1;
usbSendDataPacketOnEP0((uint8_t*)&bConfigurationNumber);
}
VOID usbGetConfiguration(VOID)
{
usbClearOEP0ByteCount(); // for status stage
wBytesRemainingOnIEP0 = 1;
usbSendDataPacketOnEP0((PBYTE)&bConfigurationNumber);
}
VOID usbGetInterface(VOID)
{
// not fully supported, return one byte, zero
usbClearOEP0ByteCount(); // for status stage
wBytesRemainingOnIEP0 = 0x02;
abUsbRequestReturnData[0] = 0x00; // changed to report alternative setting byte
abUsbRequestReturnData[1] = bInterfaceNumber;
usbSendDataPacketOnEP0((PBYTE)&abUsbRequestReturnData[0]);
}
BYTE usbGetHidDescriptor (VOID)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = 9;
usbSendDataPacketOnEP0((PBYTE)&abromConfigurationDescriptorGroup.stHid[
INTERFACE_OFFSET(tSetupPacket.wIndex)].blength_hid_descriptor);
return (FALSE);
}
void usbReceiveDataPacketOnEP0(uint8_t* pbBuffer)
{
pbOEP0Buffer = pbBuffer;
wBytesRemainingOnOEP0 = tSetupPacket.wLength;
bStatusAction = STATUS_ACTION_DATA_OUT;
usbClearOEP0ByteCount();
}
void usbGetInterfaceStatus(void)
{
// check bIndexL for index number (not supported)
usbClearOEP0ByteCount(); // for status stage
// Return two zero bytes
wBytesRemainingOnIEP0 = 2;
abUsbRequestReturnData[0] = 0x00; // changed to support multiple interfaces
abUsbRequestReturnData[1] = bInterfaceNumber;
usbSendDataPacketOnEP0((uint8_t*)&abUsbRequestReturnData[0]);
}
uint8_t usbGetHidDescriptor (void)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = 9;
#ifdef NON_COMPOSITE_MULTIPLE_INTERFACES
usbSendDataPacketOnEP0((uint8_t*)&abromConfigurationDescriptorGroupHID.stHid[
INTERFACE_OFFSET(tSetupPacket.wIndex)].blength_hid_descriptor);
#else
usbSendDataPacketOnEP0((uint8_t*)&abromConfigurationDescriptorGroup.stHid[
INTERFACE_OFFSET(tSetupPacket.wIndex)].blength_hid_descriptor);
#endif
return (FALSE);
}
VOID usbGetDeviceStatus(VOID)
{
/* for Self Powerd USB device
if((abromConfigurationDescriptorGroup[OFFSET_CONFIG_DESCRIPTOR_POWER] &
CFG_DESC_ATTR_SELF_POWERED) == CFG_DESC_ATTR_SELF_POWERED)
abUsbRequestReturnData[0] = DEVICE_STATUS_SELF_POWER;
*/
usbClearOEP0ByteCount(); // for status stage
// Return self power status and remote wakeup status
wBytesRemainingOnIEP0 = 2;
usbSendDataPacketOnEP0((PBYTE)&abUsbRequestReturnData[0]);
}
void usbGetDeviceStatus(void)
{
if((abromConfigurationDescriptorGroup[OFFSET_CONFIG_DESCRIPTOR_POWER] &
CFG_DESC_ATTR_SELF_POWERED) == CFG_DESC_ATTR_SELF_POWERED)
abUsbRequestReturnData[0] = DEVICE_STATUS_SELF_POWER;
if(bRemoteWakeup == ENABLE)
abUsbRequestReturnData[0] |= DEVICE_STATUS_REMOTE_WAKEUP;
usbClearOEP0ByteCount(); // for status stage
// Return self power status and remote wakeup status
wBytesRemainingOnIEP0 = 2;
usbSendDataPacketOnEP0((uint8_t*)&abUsbRequestReturnData[0]);
}
void usbGetEndpointStatus(void)
{
uint8_t bEndpointNumber;
// Endpoint number is bIndexL
bEndpointNumber = tSetupPacket.wIndex & EP_DESC_ADDR_EP_NUM;
if(bEndpointNumber == 0x00){
if((tSetupPacket.wIndex & EP_DESC_ADDR_DIR_IN) == EP_DESC_ADDR_DIR_IN){
// input endpoint 0
abUsbRequestReturnData[0] = (uint8_t)(tEndPoint0DescriptorBlock.bIEPCNFG & EPCNF_STALL);
}else{
// output endpoint 0
abUsbRequestReturnData[0] = (uint8_t)(tEndPoint0DescriptorBlock.bOEPCNFG & EPCNF_STALL);
}
abUsbRequestReturnData[0] = abUsbRequestReturnData[0] >> 3; // STALL is on bit 3
usbClearOEP0ByteCount(); // for status stage
wBytesRemainingOnIEP0 = 0x02;
usbSendDataPacketOnEP0((uint8_t*)&abUsbRequestReturnData[0]);
}else{
VOID usbGetStringDescriptor(VOID)
{
WORD bIndex;
BYTE bVal = (BYTE)tSetupPacket.wValue;
usbClearOEP0ByteCount(); // for status stage
#if (USB_STR_INDEX_SERNUM != 0)
if(bVal == 0x03)
{
wBytesRemainingOnIEP0 = abramSerialStringDescriptor[0];
usbSendDataPacketOnEP0((PBYTE)&abramSerialStringDescriptor);
}
else
#endif
{
bIndex = 0x00;
while(bVal-- > 0x00) bIndex += abromStringDescriptor[bIndex];
wBytesRemainingOnIEP0 = abromStringDescriptor[bIndex];
usbSendDataPacketOnEP0((PBYTE)&abromStringDescriptor[bIndex]);
}
}
void usbGetStringDescriptor(void)
{
uint16_t bIndex;
uint8_t bVal = (uint8_t)tSetupPacket.wValue;
usbClearOEP0ByteCount(); // for status stage
#if (USB_STR_INDEX_SERNUM != 0)
if(bVal == 0x03)
{
wBytesRemainingOnIEP0 = abramSerialStringDescriptor[0];
usbSendDataPacketOnEP0((uint8_t*)&abramSerialStringDescriptor);
}
else
#endif
{
bIndex = 0x00;
while(bVal-- > 0x00) bIndex += abromStringDescriptor[bIndex];
wBytesRemainingOnIEP0 = abromStringDescriptor[bIndex];
usbSendDataPacketOnEP0((uint8_t*)&abromStringDescriptor[bIndex]);
}
}
VOID usbGetEndpointStatus(VOID)
{
BYTE bEndpointNumber;
// Endpoint number is bIndexL
bEndpointNumber = tSetupPacket.wIndex & EP_DESC_ADDR_EP_NUM;
if(bEndpointNumber == 0x00){
if((tSetupPacket.wIndex & EP_DESC_ADDR_DIR_IN) == EP_DESC_ADDR_DIR_IN){
// input endpoint 0
abUsbRequestReturnData[0] = (BYTE)(tEndPoint0DescriptorBlock.bIEPCNFG & EPCNF_STALL);
}else{
// output endpoint 0
abUsbRequestReturnData[0] = (BYTE)(tEndPoint0DescriptorBlock.bOEPCNFG & EPCNF_STALL);
}
abUsbRequestReturnData[0] = abUsbRequestReturnData[0] >> 3; // STALL is on bit 3
usbClearOEP0ByteCount(); // for status stage
wBytesRemainingOnIEP0 = 0x02;
usbSendDataPacketOnEP0((PBYTE)&abUsbRequestReturnData[0]);
}else{
// EP is from EP1 to EP7 while C language start from 0
// Firmware should NOT response if specified endpoint is not supported. (charpter 8)
if(tSetupPacket.wIndex & EP_DESC_ADDR_DIR_IN){
void usbGetDeviceDescriptor(void)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = SIZEOF_DEVICE_DESCRIPTOR;
usbSendDataPacketOnEP0((uint8_t*) &abromDeviceDescriptor);
}
VOID usbGetConfigurationDescriptor(VOID)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = sizeof(abromConfigurationDescriptorGroup);
usbSendDataPacketOnEP0((PBYTE)&abromConfigurationDescriptorGroup);
}
void usbGetConfigurationDescriptor(void)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = sizeof(abromConfigurationDescriptorGroup);
usbSendDataPacketOnEP0((uint8_t*)&abromConfigurationDescriptorGroup);
}
VOID usbGetDeviceDescriptor(VOID)
{
usbClearOEP0ByteCount();
wBytesRemainingOnIEP0 = SIZEOF_DEVICE_DESCRIPTOR;
usbSendDataPacketOnEP0((PBYTE) &abromDeviceDescriptor);
}
