/**
Enumerate and configure the new device on the port of this HUB interface.
@param HubIf The HUB that has the device connected.
@param Port The port index of the hub (started with zero).
@retval EFI_SUCCESS The device is enumerated (added or removed).
@retval EFI_OUT_OF_RESOURCES Failed to allocate resource for the device.
@retval Others Failed to enumerate the device.
**/
EFI_STATUS
UsbEnumerateNewDev (
IN USB_INTERFACE *HubIf,
IN UINT8 Port
)
{
USB_BUS *Bus;
USB_HUB_API *HubApi;
USB_DEVICE *Child;
USB_DEVICE *Parent;
EFI_USB_PORT_STATUS PortState;
UINTN Address;
UINT8 Config;
EFI_STATUS Status;
Parent = HubIf->Device;
Bus = Parent->Bus;
HubApi = HubIf->HubApi;
Address = Bus->MaxDevices;
DBG("USB_WAIT_PORT_STABLE_STALL\n");
gBS->Stall (USB_WAIT_PORT_STABLE_STALL); //100ms
//
// Hub resets the device for at least 10 milliseconds.
// Host learns device speed. If device is of low/full speed
// and the hub is a EHCI root hub, ResetPort will release
// the device to its companion UHCI and return an error.
//
Status = HubApi->ResetPort (HubIf, Port);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to reset port %d - %r\n", Port, Status));
return Status;
}
// DEBUG (( EFI_D_INFO, "UsbEnumerateNewDev: hub port %d is reset\n", Port));
Child = UsbCreateDevice (HubIf, Port);
if (Child == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// OK, now identify the device speed. After reset, hub
// fully knows the actual device speed.
//
DBG("GetPortStatus\n");
Status = HubApi->GetPortStatus (HubIf, Port, &PortState);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to get speed of port %d\n", Port));
goto ON_ERROR;
}
if (!USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_CONNECTION)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: No device presented at port %d\n", Port));
goto ON_ERROR;
} else if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_SUPER_SPEED)){
Child->Speed = EFI_USB_SPEED_SUPER;
Child->MaxPacket0 = 512;
} else if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_HIGH_SPEED)) {
Child->Speed = EFI_USB_SPEED_HIGH;
Child->MaxPacket0 = 64;
} else if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_LOW_SPEED)) {
Child->Speed = EFI_USB_SPEED_LOW;
Child->MaxPacket0 = 8;
} else {
Child->Speed = EFI_USB_SPEED_FULL;
Child->MaxPacket0 = 8;
}
// DEBUG (( EFI_D_INFO, "UsbEnumerateNewDev: device is of %d speed\n", Child->Speed));
DBG("UsbEnumerateNewDev: device is of %d speed\n", Child->Speed);
if (((Child->Speed == EFI_USB_SPEED_LOW) || (Child->Speed == EFI_USB_SPEED_FULL)) &&
(Parent->Speed == EFI_USB_SPEED_HIGH)) {
//
// If the child is a low or full speed device, it is necessary to
// set the transaction translator. Port TT is 1-based.
// This is quite simple:
// 1. if parent is of high speed, then parent is our translator
// 2. otherwise use parent's translator.
//
Child->Translator.TranslatorHubAddress = Parent->Address;
Child->Translator.TranslatorPortNumber = (UINT8) (Port + 1);
} else {
Child->Translator = Parent->Translator;
}
// DEBUG (( EFI_D_INFO, "UsbEnumerateNewDev: device uses translator (%d, %d)\n",
// Child->Translator.TranslatorHubAddress,
// Child->Translator.TranslatorPortNumber));
DBG("UsbEnumerateNewDev: device uses translator (%d, %d)\n", Child->Translator.TranslatorHubAddress, Child->Translator.TranslatorPortNumber);
//
// After port is reset, hub establishes a signal path between
// the device and host (DEFALUT state). Device's registers are
// reset, use default address 0 (host enumerates one device at
// a time) , and ready to respond to control transfer at EP 0.
//
//
// Host assigns an address to the device. Device completes the
// status stage with default address, then switches to new address.
// ADDRESS state. Address zero is reserved for root hub.
//
// ASSERT (Bus->MaxDevices <= 256);
for (Address = 1; Address < Bus->MaxDevices; Address++) {
if (Bus->Devices[Address] == NULL) {
break;
}
}
if (Address >= Bus->MaxDevices) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: address pool is full for port %d\n", Port));
DBG("UsbEnumerateNewDev: address pool is full for port %d\n", Port);
Status = EFI_ACCESS_DENIED;
goto ON_ERROR;
}
Status = UsbSetAddress (Child, (UINT8)Address);
Child->Address = (UINT8)Address;
Bus->Devices[Address] = Child;
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to set device address - %r\n", Status));
goto ON_ERROR;
}
gBS->Stall (USB_SET_DEVICE_ADDRESS_STALL);
// DEBUG ((EFI_D_INFO, "UsbEnumerateNewDev: device is now ADDRESSED at %d\n", Address));
DBG("UsbEnumerateNewDev: device is now ADDRESSED at %d\n", Address);
//
// Host sends a Get_Descriptor request to learn the max packet
// size of default pipe (only part of the device's descriptor).
//
Status = UsbGetMaxPacketSize0 (Child);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to get max packet for EP 0 - %r\n", Status));
DBG("UsbEnumerateNewDev: failed to get max packet for EP 0 - %r\n", Status);
goto ON_ERROR;
}
// DEBUG (( EFI_D_INFO, "UsbEnumerateNewDev: max packet size for EP 0 is %d\n", Child->MaxPacket0));
//
// Host learns about the device's abilities by requesting device's
// entire descriptions.
//
Status = UsbBuildDescTable (Child);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to build descriptor table - %r\n", Status));
DBG("UsbEnumerateNewDev: failed to build descriptor table - %r\n", Status);
goto ON_ERROR;
}
//
// Select a default configuration: UEFI must set the configuration
// before the driver can connect to the device.
//
Config = Child->DevDesc->Configs[0]->Desc.ConfigurationValue;
Status = UsbSetConfig (Child, Config);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to set configure %d - %r\n", Config, Status));
DBG("UsbEnumerateNewDev: failed to set configure %d - %r\n", Config, Status);
goto ON_ERROR;
}
// DEBUG (( EFI_D_INFO, "UsbEnumerateNewDev: device %d is now in CONFIGED state\n", Address));
DBG("UsbEnumerateNewDev: device %d is now in CONFIGED state\n", Address);
//
// Host assigns and loads a device driver.
//
Status = UsbSelectConfig (Child, Config);
if (EFI_ERROR (Status)) {
// DEBUG ((EFI_D_ERROR, "UsbEnumerateNewDev: failed to create interfaces - %r\n", Status));
DBG("UsbEnumerateNewDev: failed to create interfaces - %r\n", Status);
goto ON_ERROR;
}
//
// Report Status Code to indicate USB device has been detected by hotplug
//
REPORT_STATUS_CODE_WITH_DEVICE_PATH (
EFI_PROGRESS_CODE,
(EFI_IO_BUS_USB | EFI_IOB_PC_HOTPLUG),
Bus->DevicePath
);
return EFI_SUCCESS;
ON_ERROR:
//
// If reach here, it means the enumeration process on a given port is interrupted due to error.
// The s/w resources, including the assigned address(Address) and the allocated usb device data
// structure(Bus->Devices[Address]), will NOT be freed here. These resources will be freed when
// the device is unplugged from the port or DriverBindingStop() is invoked.
//
// This way is used to co-work with the lower layer EDKII UHCI/EHCI/XHCI host controller driver.
// It's mainly because to keep UEFI spec unchanged EDKII XHCI driver have to maintain a state machine
// to keep track of the mapping between actual address and request address. If the request address
// (Address) is freed here, the Address value will be used by next enumerated device. Then EDKII XHCI
// host controller driver will have wrong information, which will cause further transaction error.
//
// EDKII UHCI/EHCI doesn't get impacted as it's make sense to reserve s/w resource till it gets unplugged.
//
/*
if (Address != Bus->MaxDevices) {
Bus->Devices[Address] = NULL;
}
if (Child != NULL) {
UsbFreeDevice (Child);
}
*/
return Status;
}
STATIC
EFI_STATUS
UsbEnumerateNewDev (
IN USB_INTERFACE *HubIf,
IN UINT8 Port
)
/*++
Routine Description:
Enumerate and configure the new device on the port of this HUB interface.
Arguments:
HubIf - The HUB that has the device connected
Port - The port index of the hub (started with zero)
Returns:
EFI_SUCCESS - The device is enumerated (added or removed)
EFI_OUT_OF_RESOURCES - Failed to allocate resource for the device
Others - Failed to enumerate the device
--*/
{
USB_BUS *Bus;
USB_HUB_API *HubApi;
USB_DEVICE *Child;
USB_DEVICE *Parent;
EFI_USB_PORT_STATUS PortState;
UINT8 Address;
UINT8 Config;
EFI_STATUS Status;
Address = USB_MAX_DEVICES;
Parent = HubIf->Device;
Bus = Parent->Bus;
HubApi = HubIf->HubApi;
gBS->Stall (USB_WAIT_PORT_STABLE_STALL);
//
// Hub resets the device for at least 10 milliseconds.
// Host learns device speed. If device is of low/full speed
// and the hub is a EHCI root hub, ResetPort will release
// the device to its companion UHCI and return an error.
//
Status = HubApi->ResetPort (HubIf, Port);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to reset port %d - %r\n", Port, Status));
return Status;
}
USB_DEBUG (("UsbEnumerateNewDev: hub port %d is reset\n", Port));
Child = UsbCreateDevice (HubIf, Port);
if (Child == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// OK, now identify the device speed. After reset, hub
// fully knows the actual device speed.
//
Status = HubApi->GetPortStatus (HubIf, Port, &PortState);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to get speed of port %d\n", Port));
goto ON_ERROR;
}
if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_LOW_SPEED)) {
Child->Speed = EFI_USB_SPEED_LOW;
} else if (USB_BIT_IS_SET (PortState.PortStatus, USB_PORT_STAT_HIGH_SPEED)) {
Child->Speed = EFI_USB_SPEED_HIGH;
} else {
Child->Speed = EFI_USB_SPEED_FULL;
}
USB_DEBUG (("UsbEnumerateNewDev: device is of %d speed\n", Child->Speed));
if (Child->Speed != EFI_USB_SPEED_HIGH) {
//
// If the child isn't a high speed device, it is necessary to
// set the transaction translator. Port TT is 1-based.
// This is quite simple:
// 1. if parent is of high speed, then parent is our translator
// 2. otherwise use parent's translator.
//
if (Parent->Speed == EFI_USB_SPEED_HIGH) {
Child->Translator.TranslatorHubAddress = Parent->Address;
Child->Translator.TranslatorPortNumber = Port + 1;
} else {
Child->Translator = Parent->Translator;
}
USB_DEBUG (("UsbEnumerateNewDev: device uses translator (%d, %d)\n",
Child->Translator.TranslatorHubAddress,
Child->Translator.TranslatorPortNumber));
}
//
// After port is reset, hub establishes a signal path between
// the device and host (DEFALUT state). Device¡¯s registers are
// reset, use default address 0 (host enumerates one device at
// a time) , and ready to respond to control transfer at EP 0.
//
//
// Host sends a Get_Descriptor request to learn the max packet
// size of default pipe (only part of the device¡¯s descriptor).
//
Status = UsbGetMaxPacketSize0 (Child);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to get max packet for EP 0 - %r\n", Status));
goto ON_ERROR;
}
USB_DEBUG (("UsbEnumerateNewDev: max packet size for EP 0 is %d\n", Child->MaxPacket0));
//
// Host assigns an address to the device. Device completes the
// status stage with default address, then switches to new address.
// ADDRESS state. Address zero is reserved for root hub.
//
for (Address = 1; Address < USB_MAX_DEVICES; Address++) {
if (Bus->Devices[Address] == NULL) {
break;
}
}
if (Address == USB_MAX_DEVICES) {
USB_ERROR (("UsbEnumerateNewDev: address pool is full for port %d\n", Port));
Status = EFI_ACCESS_DENIED;
goto ON_ERROR;
}
Bus->Devices[Address] = Child;
Status = UsbSetAddress (Child, Address);
Child->Address = Address;
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to set device address - %r\n", Status));
goto ON_ERROR;
}
gBS->Stall (USB_SET_DEVICE_ADDRESS_STALL);
USB_DEBUG (("UsbEnumerateNewDev: device is now ADDRESSED at %d\n", Address));
//
// Host learns about the device¡¯s abilities by requesting device's
// entire descriptions.
//
Status = UsbBuildDescTable (Child);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to build descriptor table - %r\n", Status));
goto ON_ERROR;
}
//
// Select a default configuration: UEFI must set the configuration
// before the driver can connect to the device.
//
Config = Child->DevDesc->Configs[0]->Desc.ConfigurationValue;
Status = UsbSetConfig (Child, Config);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to set configure %d - %r\n", Config, Status));
goto ON_ERROR;
}
USB_DEBUG (("UsbEnumerateNewDev: device %d is now in CONFIGED state\n", Address));
//
// Host assigns and loads a device driver.
//
Status = UsbSelectConfig (Child, Config);
if (EFI_ERROR (Status)) {
USB_ERROR (("UsbEnumerateNewDev: failed to create interfaces - %r\n", Status));
goto ON_ERROR;
}
return EFI_SUCCESS;
ON_ERROR:
if (Address != USB_MAX_DEVICES) {
Bus->Devices[Address] = NULL;
}
if (Child != NULL) {
UsbFreeDevice (Child);
}
return Status;
}
/*************************************************************************
* Function Name: USB_SetupHandler
* Parameters: void
*
* Return: none
*
* Description: Setup packet handler
*
*************************************************************************/
void USB_SetupHandler (void)
{
switch(UsbEp0SetupPacket.mRequestType.Type)
{
// Standard
case UsbTypeStandart:
// Decoding standard request
switch (UsbEp0SetupPacket.bRequest)
{
case GET_STATUS:
UsbGetStatus();
break;
case CLEAR_FEATURE:
UsbClearFeature();
break;
case SET_FEATURE:
UsbSetFeature();
break;
case SET_ADDRESS:
UsbSetAddress();
break;
case GET_DESCRIPTOR:
if(UsbEp0SetupPacket.mRequestType.Recipient == UsbRecipientDevice)
{
UsbGetDescriptor();
}
// Only get descriptor for device is standard request
else if ((UsbEp0SetupPacket.mRequestType.Dir == UsbDevice2Host) &&
(USB_GET_DESCRIPTOR_HOOK(&UsbEp0SetupPacket) == UsbPass))
{
}
else
{
USB_T9_ERROR_REQUEST();
}
break;
case SET_DESCRIPTOR:
// Optional (only for configuration and string descriptors)
UsbSetDescriptor();
break;
case GET_CONFIGURATION:
UsbGetConfiguration();
break;
case SET_CONFIGURATION:
UsbSetConfiguration();
break;
case GET_INTERFACE:
UsbGetInterface();
break;
case SET_INTERFACE:
UsbSetInterface();
break;
case SYNCH_FRAME:
UsbSynchFrame();
break;
default:
USB_T9_ERROR_REQUEST();
}
break;
// Class
case UsbTypeClass:
if(USB_CLASS_REQUEST_HOOK(&UsbEp0SetupPacket) != UsbPass)
{
USB_T9_ERROR_REQUEST();
}
else
{
}
break;
// Vendor
case UsbTypeVendor:
if( USB_VENDOR_REQUEST_HOOK(&UsbEp0SetupPacket) != UsbPass)
{
USB_T9_ERROR_REQUEST();
}
else
{
}
break;
// Other
default:
USB_T9_ERROR_REQUEST();
}
}
//----------------------------------------------------------------------------------------//
//
// Main function
//
//----------------------------------------------------------------------------------------//
int main(void)
{
alt_u16 intStat;
alt_u16 usb_ctl_val;
static alt_u16 ctl_reg = 0;
static alt_u16 no_device = 0;
alt_u16 fs_device = 0;
int keycode = 0;
alt_u8 toggle = 0;
alt_u8 data_size;
alt_u16 code;
int i;
printf("USB keyboard setup...\n\n");
//----------------------------------------SIE1 initial---------------------------------------------------//
USB_HOT_PLUG:
UsbSoftReset();
// STEP 1a:
UsbWrite (HPI_SIE1_MSG_ADR, 0);
UsbWrite (HOST1_STAT_REG, 0xFFFF);
/* Set HUSB_pEOT time */
UsbWrite(HUSB_pEOT, 600); // adjust the according to your USB device speed
usb_ctl_val = SOFEOP1_TO_CPU_EN | RESUME1_TO_HPI_EN;// | SOFEOP1_TO_HPI_EN;
UsbWrite(HPI_IRQ_ROUTING_REG, usb_ctl_val);
intStat = A_CHG_IRQ_EN | SOF_EOP_IRQ_EN ;
UsbWrite(HOST1_IRQ_EN_REG, intStat);
// STEP 1a end
// STEP 1b begin
UsbWrite(COMM_R0,0x0000);//reset time
UsbWrite(COMM_R1,0x0000); //port number
UsbWrite(COMM_R2,0x0000); //r1
UsbWrite(COMM_R3,0x0000); //r1
UsbWrite(COMM_R4,0x0000); //r1
UsbWrite(COMM_R5,0x0000); //r1
UsbWrite(COMM_R6,0x0000); //r1
UsbWrite(COMM_R7,0x0000); //r1
UsbWrite(COMM_R8,0x0000); //r1
UsbWrite(COMM_R9,0x0000); //r1
UsbWrite(COMM_R10,0x0000); //r1
UsbWrite(COMM_R11,0x0000); //r1
UsbWrite(COMM_R12,0x0000); //r1
UsbWrite(COMM_R13,0x0000); //r1
UsbWrite(COMM_INT_NUM,HUSB_SIE1_INIT_INT); //HUSB_SIE1_INIT_INT
IOWR(CY7C67200_BASE,HPI_MAILBOX,COMM_EXEC_INT);
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & 0xFFFF) ) //read sie1 msg register
{
}
while (IORD(CY7C67200_BASE,HPI_MAILBOX) != COMM_ACK)
{
printf("[ERROR]:routine mailbox data is %x\n",IORD(CY7C67200_BASE,HPI_MAILBOX));
goto USB_HOT_PLUG;
}
// STEP 1b end
// STEP 2 begin
//usleep(30*1000);
UsbWrite(COMM_INT_NUM,HUSB_RESET_INT); //husb reset
UsbWrite(COMM_R0,0x003c);//reset time
UsbWrite(COMM_R1,0x0000); //port number
UsbWrite(COMM_R2,0x0000); //r1
UsbWrite(COMM_R3,0x0000); //r1
UsbWrite(COMM_R4,0x0000); //r1
UsbWrite(COMM_R5,0x0000); //r1
UsbWrite(COMM_R6,0x0000); //r1
UsbWrite(COMM_R7,0x0000); //r1
UsbWrite(COMM_R8,0x0000); //r1
UsbWrite(COMM_R9,0x0000); //r1
UsbWrite(COMM_R10,0x0000); //r1
UsbWrite(COMM_R11,0x0000); //r1
UsbWrite(COMM_R12,0x0000); //r1
UsbWrite(COMM_R13,0x0000); //r1
IOWR(CY7C67200_BASE,HPI_MAILBOX,COMM_EXEC_INT);
while (IORD(CY7C67200_BASE,HPI_MAILBOX) != COMM_ACK)
{
printf("[ERROR]:routine mailbox data is %x\n",IORD(CY7C67200_BASE,HPI_MAILBOX));
goto USB_HOT_PLUG;
}
// STEP 2 end
//usleep(30*1000);
ctl_reg = USB1_CTL_REG;
no_device = (A_DP_STAT | A_DM_STAT);
fs_device = A_DP_STAT;
usb_ctl_val = UsbRead(ctl_reg);
if (!(usb_ctl_val & no_device))
{
printf("\n[INFO]: no device is present in SIE1!\n");
printf("[INFO]: please insert a USB keyboard in SIE1!\n");
while (!(usb_ctl_val & no_device))
{
usb_ctl_val = UsbRead(ctl_reg);
if(usb_ctl_val & no_device)
goto USB_HOT_PLUG;
usleep(2000);
}
}
else
{
/* check for low speed or full speed by reading D+ and D- lines */
if (usb_ctl_val & fs_device)
{
printf("[INFO]: full speed device\n");
}
else
{
printf("[INFO]: low speed device\n");
}
}
//printf("[SIE1 INIT]:USB 1 Control Register reg is %x\n",UsbRead(0xC08A));
// STEP 3 begin
//------------------------------------------------------set address -----------------------------------------------------------------
UsbSetAddress();
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
UsbSetAddress();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506); // i
printf("[ENUM PROCESS]:step 3 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508); // n
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 3 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03) // retries occurred
{
usb_ctl_val = UsbGetRetryCnt();
goto USB_HOT_PLUG;
}
printf("------------[ENUM PROCESS]:set address done!---------------\n");
// STEP 4 begin
//-------------------------------get device descriptor-1 -----------------------------------//
// TASK: Call the appropriate function for this step.
UsbGetDeviceDesc1();
usleep(10*1000);
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetDeviceDesc1();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 4 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 4 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("---------------[ENUM PROCESS]:get device descriptor-1 done!-----------------\n");
//--------------------------------get device descriptor-2---------------------------------------------//
//get device descriptor
// TASK: Call the appropriate function for this step.
UsbGetDeviceDesc2();
usleep(100*1000);
//if no message
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
//resend the get device descriptor
//get device descriptor
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetDeviceDesc2();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 4 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 4 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("------------[ENUM PROCESS]:get device descriptor-2 done!--------------\n");
// STEP 5 begin
//-----------------------------------get configuration descriptor -1 ----------------------------------//
// TASK: Call the appropriate function for this step.
UsbGetConfigDesc1();
usleep(10*1000);
//if no message
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
//resend the get device descriptor
//get device descriptor
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetConfigDesc1();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 5 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 5 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("------------[ENUM PROCESS]:get configuration descriptor-1 pass------------\n");
// STEP 6 begin
//-----------------------------------get configuration descriptor-2------------------------------------//
//get device descriptor
// TASK: Call the appropriate function for this step.
UsbGetConfigDesc2();
usleep(100*1000);
//if no message
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetConfigDesc2();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 6 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 6 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("-----------[ENUM PROCESS]:get configuration descriptor-2 done!------------\n");
// ---------------------------------get device info---------------------------------------------//
UsbPrintMem();
// TASK: Write the address to read from the memory for byte 7 of the interface descriptor to HPI_ADDR.
//UsbWrite(HPI_ADDR,0x056C);
IOWR(CY7C67200_BASE,HPI_ADDR,0x56c);
code = IORD(CY7C67200_BASE,HPI_DATA);
printf("\ncode = %x\n", code);
code = code & 0x0003;
if (code == 0x01)
{
printf("\n[INFO]:check TD rec data7 \n[INFO]:Keyboard Detected!!!\n\n");
}
else
{
//printf("\nvalue= %x\n", code);
printf("\n[INFO]:Keyboard Not Detected!!! \n\n");
}
// TASK: Write the address to read from the memory for the endpoint descriptor to HPI_ADDR.
//UsbWrite(HPI_DATA,0x56C);
//IOWR(CY7C67200_BASE,HPI_ADDR,0x0578);
//data_size = (IORD(CY7C67200_BASE,HPI_DATA)>>8)&0x00ff;
data_size=8;
printf("[ENUM PROCESS]:data packet size is %d\n",data_size);
// STEP 7 begin
//------------------------------------set configuration -----------------------------------------//
// TASK: Call the appropriate function for this step.
usleep(10*1000);
UsbSetConfig();
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
usleep(10*1000);
UsbSetConfig();
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 7 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 7 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("------------[ENUM PROCESS]:set configuration done!-------------------\n");
//----------------------------------------------class request out ------------------------------------------//
// TASK: Call the appropriate function for this step.
UsbClassRequest();
usleep(10*1000);
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbClassRequest();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 8 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 8 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("------------[ENUM PROCESS]:class request out done!-------------------\n");
// STEP 8 begin
//----------------------------------get descriptor(class 0x21 = HID) request out --------------------------------//
// TASK: Call the appropriate function for this step.
UsbGetHidDesc();
usleep(10*1000);
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetHidDesc();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]:step 8 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]:step 8 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("------------[ENUM PROCESS]:get descriptor (class 0x21) done!-------------------\n");
// STEP 9 begin
//-------------------------------get descriptor (class 0x22 = report)-------------------------------------------//
// TASK: Call the appropriate function for this step.
UsbGetReportDesc();
usleep(100*1000);
//if no message
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
// TASK: Call the appropriate function again if it wasn't processed successfully.
UsbGetReportDesc();
usleep(10*1000);
}
UsbWaitTDListDone();
IOWR(CY7C67200_BASE,HPI_ADDR,0x0506);
printf("[ENUM PROCESS]: step 9 TD Status Byte is %x\n",IORD(CY7C67200_BASE,HPI_DATA));
IOWR(CY7C67200_BASE,HPI_ADDR,0x0508);
usb_ctl_val = IORD(CY7C67200_BASE,HPI_DATA);
printf("[ENUM PROCESS]: step 9 TD Control Byte is %x\n",usb_ctl_val);
while (usb_ctl_val != 0x03)
{
usb_ctl_val = UsbGetRetryCnt();
}
printf("---------------[ENUM PROCESS]:get descriptor (class 0x22) done!----------------\n");
//-----------------------------------get keycode value------------------------------------------------//
usleep(10000);
while(1)
{
toggle++;
IOWR(CY7C67200_BASE,HPI_ADDR,0x0500); //the start address
//data phase IN-1
IOWR(CY7C67200_BASE,HPI_DATA,0x051c); //500
IOWR(CY7C67200_BASE,HPI_DATA,0x000f & data_size);//2 data length
IOWR(CY7C67200_BASE,HPI_DATA,0x0291);//4 //endpoint 1
if(toggle%2)
{
IOWR(CY7C67200_BASE,HPI_DATA,0x0001);//6 //data 1
}
else
{
IOWR(CY7C67200_BASE,HPI_DATA,0x0041);//6 //data 1
}
IOWR(CY7C67200_BASE,HPI_DATA,0x0013);//8
IOWR(CY7C67200_BASE,HPI_DATA,0x0000);//a
UsbWrite(HUSB_SIE1_pCurrentTDPtr,0x0500); //HUSB_SIE1_pCurrentTDPtr
//usleep(10*1000);
while (!(IORD(CY7C67200_BASE,HPI_STATUS) & HPI_STATUS_SIE1msg_FLAG) ) //read sie1 msg register
{
IOWR(CY7C67200_BASE,HPI_ADDR,0x0500); //the start address
//data phase IN-1
IOWR(CY7C67200_BASE,HPI_DATA,0x051c); //500
IOWR(CY7C67200_BASE,HPI_DATA,0x000f & data_size);//2 data length
IOWR(CY7C67200_BASE,HPI_DATA,0x0291);//4 //endpoint 1
if(toggle%2)
{
IOWR(CY7C67200_BASE,HPI_DATA,0x0001);//6 //data 1
}
else
{
IOWR(CY7C67200_BASE,HPI_DATA,0x0041);//6 //data 1
}
IOWR(CY7C67200_BASE,HPI_DATA,0x0013);//8
IOWR(CY7C67200_BASE,HPI_DATA,0x0000);//
UsbWrite(HUSB_SIE1_pCurrentTDPtr,0x0500); //HUSB_SIE1_pCurrentTDPtr
usleep(10*1000);
}//end while
usb_ctl_val = UsbWaitTDListDone();
// packet starts from 0x051c, reading third byte
// TASK: Write the address to read from the memory for byte 3 of the report descriptor to HPI_ADDR.
IOWR(CY7C67200_BASE,HPI_ADDR,0x051E);
keycode = IORD(CY7C67200_BASE,HPI_DATA);
printf("\nfirst two keycode values are %04x\n",keycode);
IOWR(KEYCODE_BASE, 0, keycode & 0xff);
usleep(5*1000);
//USB hot plug routine
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
if(!(usb_ctl_val & no_device))
{
printf("\n[INFO]: the keyboard has been removed!!! \n");
printf("[INFO]: please insert again!!! \n");
};
usleep(5000);
usb_ctl_val = UsbRead(ctl_reg);
while (!(usb_ctl_val & no_device))
{
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
usb_ctl_val = UsbRead(ctl_reg);
usleep(5*1000);
if(usb_ctl_val & no_device)
goto USB_HOT_PLUG;
usleep(200);
}
}//end while
return 0;
}
