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Add new "Refresh guid" opcode, also add sample code to use it.

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Signed-off-by: ydong10
Reviewed-by: lgao4


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11767 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2011-06-08 08:09:47 +00:00
parent 5b127d7565
commit 211cc6e5cd
8 changed files with 363 additions and 66 deletions
Download Patch File Download Diff File Expand all files Collapse all files

220
MdeModulePkg/Universal/DriverSampleDxe/DriverSample.c
View File

@ -20,10 +20,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
EFI_GUID mFormSetGuid = FORMSET_GUID;
EFI_GUID mInventoryGuid = INVENTORY_GUID;
EFI_GUID MyEventGroupGuid = EFI_IFR_REFRESH_ID_OP_GUID;
CHAR16 VariableName[] = L"MyIfrNVData";
EFI_HANDLE DriverHandle[2] = {NULL, NULL};
DRIVER_SAMPLE_PRIVATE_DATA *PrivateData = NULL;
EFI_EVENT mEvent;
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath0 = {
{
@ -75,6 +77,158 @@ HII_VENDOR_DEVICE_PATH mHiiVendorDevicePath1 = {
}
};
/**
Add empty function for event process function.
@param Event The Event need to be process
@param Context The context of the event.
**/
VOID
EFIAPI
DriverSampleInternalEmptyFunction (
IN EFI_EVENT Event,
IN VOID *Context
)
{
}
/**
Notification function for keystrokes.
@param[in] KeyData The key that was pressed.
@retval EFI_SUCCESS The operation was successful.
**/
EFI_STATUS
EFIAPI
NotificationFunction(
IN EFI_KEY_DATA *KeyData
)
{
gBS->SignalEvent (mEvent);
return EFI_SUCCESS;
}
/**
Function to start monitoring for CTRL-C using SimpleTextInputEx.
@retval EFI_SUCCESS The feature is enabled.
@retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.
**/
EFI_STATUS
EFIAPI
InternalStartMonitor(
VOID
)
{
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;
EFI_KEY_DATA KeyData;
EFI_STATUS Status;
EFI_HANDLE *Handles;
UINTN HandleCount;
UINTN HandleIndex;
EFI_HANDLE NotifyHandle;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextInputExProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **) &SimpleEx);
ASSERT_EFI_ERROR (Status);
KeyData.KeyState.KeyToggleState = 0;
KeyData.Key.ScanCode = 0;
KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
KeyData.Key.UnicodeChar = L'c';
Status = SimpleEx->RegisterKeyNotify(
SimpleEx,
&KeyData,
NotificationFunction,
&NotifyHandle);
if (EFI_ERROR (Status)) {
break;
}
KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
Status = SimpleEx->RegisterKeyNotify(
SimpleEx,
&KeyData,
NotificationFunction,
&NotifyHandle);
if (EFI_ERROR (Status)) {
break;
}
}
return EFI_SUCCESS;
}
/**
Function to stop monitoring for CTRL-C using SimpleTextInputEx.
@retval EFI_SUCCESS The feature is enabled.
@retval EFI_OUT_OF_RESOURCES There is not enough mnemory available.
**/
EFI_STATUS
EFIAPI
InternalStopMonitor(
VOID
)
{
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *SimpleEx;
EFI_STATUS Status;
EFI_HANDLE *Handles;
EFI_KEY_DATA KeyData;
UINTN HandleCount;
UINTN HandleIndex;
EFI_HANDLE NotifyHandle;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextInputExProtocolGuid,
NULL,
&HandleCount,
&Handles
);
for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex++) {
Status = gBS->HandleProtocol (Handles[HandleIndex], &gEfiSimpleTextInputExProtocolGuid, (VOID **) &SimpleEx);
ASSERT_EFI_ERROR (Status);
KeyData.KeyState.KeyToggleState = 0;
KeyData.Key.ScanCode = 0;
KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED;
KeyData.Key.UnicodeChar = L'c';
Status = SimpleEx->RegisterKeyNotify(
SimpleEx,
&KeyData,
NotificationFunction,
&NotifyHandle);
if (!EFI_ERROR (Status)) {
Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);
}
KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED;
Status = SimpleEx->RegisterKeyNotify(
SimpleEx,
&KeyData,
NotificationFunction,
&NotifyHandle);
if (!EFI_ERROR (Status)) {
Status = SimpleEx->UnregisterKeyNotify (SimpleEx, NotifyHandle);
}
}
return EFI_SUCCESS;
}
/**
Encode the password using a simple algorithm.
@ -1124,6 +1278,7 @@ DriverCallback (
EFI_INPUT_KEY Key;
DRIVER_SAMPLE_CONFIGURATION *Configuration;
UINTN MyVarSize;
EFI_FORM_ID FormId;
if (((Value == NULL) && (Action != EFI_BROWSER_ACTION_FORM_OPEN) && (Action != EFI_BROWSER_ACTION_FORM_CLOSE))||
(ActionRequest == NULL)) {
@ -1131,6 +1286,7 @@ DriverCallback (
}
FormId = 0;
Status = EFI_SUCCESS;
PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);
@ -1177,6 +1333,11 @@ DriverCallback (
HiiFreeOpCodeHandle (StartOpCodeHandle);
}
if (QuestionId == 0x1247) {
Status = InternalStartMonitor ();
ASSERT_EFI_ERROR (Status);
}
}
break;
@ -1199,6 +1360,11 @@ DriverCallback (
);
} while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));
}
if (QuestionId == 0x1247) {
Status = InternalStopMonitor ();
ASSERT_EFI_ERROR (Status);
}
}
break;
@ -1424,6 +1590,7 @@ DriverCallback (
break;
case 0x5678:
case 0x1247:
//
// We will reach here once the Question is refreshed
//
@ -1439,7 +1606,15 @@ DriverCallback (
//
StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
StartLabel->Number = LABEL_UPDATE2;
if (QuestionId == 0x5678) {
StartLabel->Number = LABEL_UPDATE2;
FormId = 0x03;
PrivateData->Configuration.DynamicRefresh++;
} else if (QuestionId == 0x1247 ) {
StartLabel->Number = LABEL_UPDATE3;
FormId = 0x05;
PrivateData->Configuration.RefreshGuidCount++;
}
HiiCreateActionOpCode (
StartOpCodeHandle, // Container for dynamic created opcodes
@ -1453,7 +1628,7 @@ DriverCallback (
HiiUpdateForm (
PrivateData->HiiHandle[0], // HII handle
&mFormSetGuid, // Formset GUID
0x3, // Form ID
FormId, // Form ID
StartOpCodeHandle, // Label for where to insert opcodes
NULL // Insert data
);
@ -1463,7 +1638,6 @@ DriverCallback (
//
// Refresh the Question value
//
PrivateData->Configuration.DynamicRefresh++;
Status = gRT->SetVariable(
VariableName,
&mFormSetGuid,
@ -1472,19 +1646,21 @@ DriverCallback (
&PrivateData->Configuration
);
//
// Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
// the first statement in Form 3 be suppressed
//
MyVarSize = 1;
MyVar = 111;
Status = gRT->SetVariable(
L"MyVar",
&mFormSetGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
MyVarSize,
&MyVar
);
if (QuestionId == 0x5678) {
//
// Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause
// the first statement in Form 3 be suppressed
//
MyVarSize = 1;
MyVar = 111;
Status = gRT->SetVariable(
L"MyVar",
&mFormSetGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
MyVarSize,
&MyVar
);
}
break;
case 0x1237:
@ -1805,7 +1981,15 @@ DriverSampleInit (
FreePool (ConfigRequestHdr);
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
TPL_NOTIFY,
DriverSampleInternalEmptyFunction,
NULL,
&MyEventGroupGuid,
&mEvent
);
ASSERT_EFI_ERROR (Status);
//
// In default, this driver is built into Flash device image,
// the following code doesn't run.
@ -1893,5 +2077,7 @@ DriverSampleUnload (
FreePool (PrivateData);
PrivateData = NULL;
gBS->CloseEvent (mEvent);
return EFI_SUCCESS;
}