Fixed LowLevel Keyboard demo not saving the issued report only after it has been written to the endpoint.

Added support for multiple keyboard keycodes in a single report to the LowLevel and ClassDriver Keyboard demos.
pull/1469/head
Dean Camera 15 years ago
parent d753512cca
commit 7ef58eef7a

@ -144,21 +144,33 @@ bool CALLBACK_HID_Device_CreateHIDReport(USB_ClassInfo_HID_Device_t* const HIDIn
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
static uint8_t PrevUsedKeyCodes;
uint8_t UsedKeyCodes = 0;
if (JoyStatus_LCL & JOY_UP)
KeyboardReport->KeyCode[0] = 0x04; // A
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
KeyboardReport->KeyCode[0] = 0x05; // B
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
KeyboardReport->KeyCode[0] = 0x06; // C
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
KeyboardReport->KeyCode[0] = 0x07; // D
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
KeyboardReport->KeyCode[0] = 0x08; // E
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x08; // E
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
KeyboardReport->KeyCode[0] = 0x09; // F
KeyboardReport->KeyCode[UsedKeyCodes++] = 0x09; // F
/* The host will ignore the device if we add a new keycode to the report while another keycode is currently
* being sent (i.e. the user has pressed another key while a key is already being pressed) - we need to intersperse
* the two reports with a zeroed report to force the host to accept the additional keys */
if (UsedKeyCodes != PrevUsedKeyCodes)
{
memset(KeyboardReport, sizeof(USB_KeyboardReport_Data_t), 0x00);
PrevUsedKeyCodes = UsedKeyCodes;
}
*ReportSize = sizeof(USB_KeyboardReport_Data_t);
return false;

@ -49,11 +49,12 @@
* OSes (i.e. no special drivers required). It is boot protocol compatible, and thus
* works under compatible BIOS as if it was a native keyboard (e.g. PS/2).
*
* On start-up the system will automatically enumerate and function
* as a keyboard when the USB connection to a host is present. To use
* the keyboard example, manipulate the joystick to send the letters
* a, b, c, d and e. See the USB HID documentation for more information
* on sending keyboard event and key presses.
* On start-up the system will automatically enumerate and function as a keyboard
* when the USB connection to a host is present. To use the keyboard example,
* manipulate the joystick to send the letters a, b, c, d and e. See the USB HID
* documentation for more information on sending keyboard event and key presses. Unlike
* other LUFA Keyboard demos, this example shows explicitly how to send multiple keypresses
* inside the same report to the host.
*
* \section SSec_Options Project Options
*

@ -84,6 +84,7 @@ void SetupHardware(void)
Joystick_Init();
LEDs_Init();
USB_Init();
Buttons_Init();
}
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and
@ -257,23 +258,38 @@ void EVENT_USB_Device_StartOfFrame(void)
*/
void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData)
{
uint8_t JoyStatus_LCL = Joystick_GetStatus();
static uint8_t PrevUsedKeyCodes;
uint8_t UsedKeyCodes = 0;
uint8_t JoyStatus_LCL = Joystick_GetStatus();
uint8_t ButtonStatus_LCL = Buttons_GetStatus();
/* Clear the report contents */
memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
if (JoyStatus_LCL & JOY_UP)
ReportData->KeyCode[0] = 0x04; // A
ReportData->KeyCode[UsedKeyCodes++] = 0x04; // A
else if (JoyStatus_LCL & JOY_DOWN)
ReportData->KeyCode[0] = 0x05; // B
ReportData->KeyCode[UsedKeyCodes++] = 0x05; // B
if (JoyStatus_LCL & JOY_LEFT)
ReportData->KeyCode[0] = 0x06; // C
ReportData->KeyCode[UsedKeyCodes++] = 0x06; // C
else if (JoyStatus_LCL & JOY_RIGHT)
ReportData->KeyCode[0] = 0x07; // D
ReportData->KeyCode[UsedKeyCodes++] = 0x07; // D
if (JoyStatus_LCL & JOY_PRESS)
ReportData->KeyCode[0] = 0x08; // E
ReportData->KeyCode[UsedKeyCodes++] = 0x08; // E
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
ReportData->KeyCode[UsedKeyCodes++] = 0x09; // F
/* The host will ignore the device if we add a new keycode to the report while another keycode is currently
* being sent (i.e. the user has pressed another key while a key is already being pressed) - we need to intersperse
* the two reports with a zeroed report to force the host to accept the additional keys */
if (UsedKeyCodes != PrevUsedKeyCodes)
{
memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
PrevUsedKeyCodes = UsedKeyCodes;
}
}
/** Processes a received LED report, and updates the board LEDs states to match.
@ -310,9 +326,6 @@ void SendNextReport(void)
/* Check to see if the report data has changed - if so a report MUST be sent */
SendReport = (memcmp(&PrevKeyboardReportData, &KeyboardReportData, sizeof(USB_KeyboardReport_Data_t)) != 0);
/* Save the current report data for later comparison to check for changes */
PrevKeyboardReportData = KeyboardReportData;
/* Check if the idle period is set and has elapsed */
if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
{
@ -329,6 +342,9 @@ void SendNextReport(void)
/* Check if Keyboard Endpoint Ready for Read/Write and if we should send a new report */
if (Endpoint_IsReadWriteAllowed() && SendReport)
{
/* Save the current report data for later comparison to check for changes */
PrevKeyboardReportData = KeyboardReportData;
/* Write Keyboard Report Data */
Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));

@ -49,6 +49,7 @@
#include <LUFA/Version.h>
#include <LUFA/Drivers/USB/USB.h>
#include <LUFA/Drivers/Board/Joystick.h>
#include <LUFA/Drivers/Board/Buttons.h>
#include <LUFA/Drivers/Board/LEDs.h>
/* Macros: */

@ -49,11 +49,12 @@
* OSes (i.e. no special drivers required). It is boot protocol compatible, and thus
* works under compatible BIOS as if it was a native keyboard (e.g. PS/2).
*
* On start-up the system will automatically enumerate and function
* as a keyboard when the USB connection to a host is present. To use
* the keyboard example, manipulate the joystick to send the letters
* a, b, c, d and e. See the USB HID documentation for more information
* on sending keyboard event and key presses.
* On start-up the system will automatically enumerate and function as a keyboard
* when the USB connection to a host is present. To use the keyboard example,
* manipulate the joystick to send the letters a, b, c, d and e. See the USB HID
* documentation for more information on sending keyboard event and key presses. Unlike
* other LUFA Keyboard demos, this example shows explicitly how to send multiple keypresses
* inside the same report to the host.
*
* \section SSec_Options Project Options
*

@ -268,9 +268,6 @@ void SendNextReport(void)
if ((MouseReportData.Y != 0) || (MouseReportData.X != 0))
SendReport = true;
/* Save the current report data for later comparison to check for changes */
PrevMouseReportData = MouseReportData;
/* Check if the idle period is set and has elapsed */
if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
{
@ -287,6 +284,9 @@ void SendNextReport(void)
/* Check if Mouse Endpoint Ready for Read/Write and if we should send a new report */
if (Endpoint_IsReadWriteAllowed() && SendReport)
{
/* Save the current report data for later comparison to check for changes */
PrevMouseReportData = MouseReportData;
/* Write Mouse Report Data */
Endpoint_Write_Stream_LE(&MouseReportData, sizeof(MouseReportData));

@ -263,7 +263,7 @@ bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* CurrentItem)
/* Iterate through the item's collection path, until either the root collection node or a collection with the
* Joystick Usage is found - this prevents Mice, which use identical descriptors except for the Joystick usage
* parent node, from being erroneously treated as a joystick
* parent node, from being erroneously treated as a joystick by the demo
*/
for (HID_CollectionPath_t* CurrPath = CurrentItem->CollectionPath; CurrPath != NULL; CurrPath = CurrPath->Parent)
{

@ -278,7 +278,7 @@ bool CALLBACK_HIDParser_FilterHIDReportItem(HID_ReportItem_t* CurrentItem)
/* Iterate through the item's collection path, until either the root collection node or a collection with the
* Mouse Usage is found - this prevents Joysticks, which use identical descriptors except for the Joystick usage
* parent node, from being erroneously treated as a mouse
* parent node, from being erroneously treated as a mouse by the demo
*/
for (HID_CollectionPath_t* CurrPath = CurrentItem->CollectionPath; CurrPath != NULL; CurrPath = CurrPath->Parent)
{

@ -263,7 +263,7 @@ void RNDIS_Host_Task(void)
}
if (RetrievedPacketFilter != PacketFilter)
printf("ERROR: Retrieved Packet Filter %08lx != Set Packet Filter %08lx!\r\n", RetrievedPacketFilter, PacketFilter);
printf("ERROR: Retrieved Packet Filter 0x%08lx != Set Packet Filter 0x%08lx!\r\n", RetrievedPacketFilter, PacketFilter);
uint32_t VendorID;
if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID,

@ -34,6 +34,7 @@
* - Changed MouseHostWithParser demos to check that the report items have a Mouse usage collection as a parent at some point,
* to prevent Joysticks from enumerating with the demo
* - Corrected the name of the misnamed USB_GetDeviceConfigDescriptor() function to USB_Host_GetDeviceConfigDescriptor().
* - Keyboard LowLevel/ClassDriver demos now support multiple simultaneous keypresses (up to 6) per report
*
* <b>Fixed:</b>
* - Fixed PrinterHost demo returning invalid Device ID data when the attached device does not have a
@ -49,6 +50,7 @@
* - Fixed HID report parser collection paths invalid due to misplaced semicolon in the free path item search loop
* - Fixed HID host Class driver report send/receive report broken when issued through the control pipe
* - Fixed HOST_STATE_AS_GPIOR compile time option being ignored when in host mode (thanks to David Lyons)
* - Fixed LowLevel Keyboard demo not saving the issues report only after it has been sent to the host
*
* \section Sec_ChangeLog090924 Version 090924
*

@ -21,9 +21,7 @@
* - Add detailed overviews of how each demo works
* - Master LUFA include file rather than per-module includes
* - Change makefiles to allow for absolute LUFA location to be used
* - Add unit testing to APIs
* - Add board overviews
* - Add resume interrupt support
* - Correct mishandling of error cases in Mass Storage demo
* - Add RNDIS Host Class driver
* - Make new demos
@ -34,4 +32,5 @@
* -# AVR32 UC3B series microcontrollers
* -# Atmel ARM7 series microcontrollers
* -# Other (commercial) C compilers
* - Write LUFA tutorials
*/

@ -96,7 +96,7 @@ FATFS DataflashData;
/** Stream character fetching routine for the FAT driver so that characters from the currently open file can be
* readin sequence when applied to a stdio stream.
* read in sequence when applied to a stdio stream.
*/
static int Dataflash_getchar(FILE* Stream)
{

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