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Add multiple axis support to the HID joystick report in the HID_DESCRIPTOR_JOYSTICK() macro.

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This commit is contained in:
Dean Camera 2011-08-23 07:07:34 +00:00
parent d0ac8e46f9
commit 2d9f98b592
4 changed files with 41 additions and 35 deletions
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3
Demos/Device/ClassDriver/Joystick/Descriptors.c
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@ -46,13 +46,14 @@
const USB_Descriptor_HIDReport_Datatype_t PROGMEM JoystickReport[] = const USB_Descriptor_HIDReport_Datatype_t PROGMEM JoystickReport[] =
{ {
/* Use the HID class driver's standard Joystick report. /* Use the HID class driver's standard Joystick report.
* Number of Axis: 2 (X/Y)
* Min X/Y Axis values: -100 * Min X/Y Axis values: -100
* Max X/Y Axis values: 100 * Max X/Y Axis values: 100
* Min physical X/Y Axis values (used to determine resolution): -1 * Min physical X/Y Axis values (used to determine resolution): -1
* Max physical X/Y Axis values (used to determine resolution): 1 * Max physical X/Y Axis values (used to determine resolution): 1
* Buttons: 2 * Buttons: 2
*/ */
HID_DESCRIPTOR_JOYSTICK(-100, 100, -1, 1, 2) HID_DESCRIPTOR_JOYSTICK(2, -100, 100, -1, 1, 2)
}; };
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall /** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall

42
LUFA/Drivers/USB/Class/Common/HID.h
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@ -328,43 +328,46 @@
#define HID_KEYBOARD_SC_RIGHT_GUI 0xE7 #define HID_KEYBOARD_SC_RIGHT_GUI 0xE7
//@} //@}
/** \name Standard HID Device Report Descriptors */ /** \name Common HID Device Report Descriptors */
//@{ //@{
/** \hideinitializer /** \hideinitializer
* A list of HID report item array elements that describe a typical HID USB Joystick. The resulting report descriptor * A list of HID report item array elements that describe a typical HID USB Joystick. The resulting report
* is structured according to the following layout: * descriptor is structured according to the following layout:
* *
* \code * \code
* struct * struct
* { * {
* uintA_t Buttons; // Pressed buttons bitmask
* intB_t X; // Signed X axis value * intB_t X; // Signed X axis value
* intB_t Y; // Signed Y axis value * intB_t Y; // Signed Y axis value
* int8_t Z; // Signed Z axis value
* // Additional axis elements here
* uintA_t Buttons; // Pressed buttons bitmask
* } Joystick_Report; * } Joystick_Report;
* \endcode * \endcode
* *
* Where \c uintA_t is a type large enough to hold one bit per button, and \c intB_t is a type large enough to hold the * Where \c uintA_t is a type large enough to hold one bit per button, and \c intB_t is a type large enough to hold the
* ranges of the signed \c MinAxisVal and \c MaxAxisVal values. * ranges of the signed \c MinAxisVal and \c MaxAxisVal values.
* *
* \param[in] MinAxisVal Minimum X/Y logical axis value. * \param[in] NumAxis Number of axis in the joystick (8-bit)
* \param[in] MaxAxisVal Maximum X/Y logical axis value. * \param[in] MinAxisVal Minimum logical axis value (16-bit).
* \param[in] MinPhysicalVal Minimum X/Y physical axis value, for movement resolution calculations. * \param[in] MaxAxisVal Maximum logical axis value (16-bit).
* \param[in] MaxPhysicalVal Maximum X/Y physical axis value, for movement resolution calculations. * \param[in] MinPhysicalVal Minimum physical axis value, for movement resolution calculations (16-bit).
* \param[in] Buttons Total number of buttons in the device. * \param[in] MaxPhysicalVal Maximum physical axis value, for movement resolution calculations (16-bit).
* \param[in] Buttons Total number of buttons in the device (8-bit).
*/ */
#define HID_DESCRIPTOR_JOYSTICK(MinAxisVal, MaxAxisVal, MinPhysicalVal, MaxPhysicalVal, Buttons) \ #define HID_DESCRIPTOR_JOYSTICK(NumAxis, MinAxisVal, MaxAxisVal, MinPhysicalVal, MaxPhysicalVal, Buttons) \
HID_RI_USAGE_PAGE(8, 0x01), \ HID_RI_USAGE_PAGE(8, 0x01), \
HID_RI_USAGE(8, 0x04), \ HID_RI_USAGE(8, 0x04), \
HID_RI_COLLECTION(8, 0x01), \ HID_RI_COLLECTION(8, 0x01), \
HID_RI_USAGE(8, 0x01), \ HID_RI_USAGE(8, 0x01), \
HID_RI_COLLECTION(8, 0x00), \ HID_RI_COLLECTION(8, 0x00), \
HID_RI_USAGE(8, 0x30), \ HID_RI_USAGE_MINIMUM(8, 0x30), \
HID_RI_USAGE(8, 0x31), \ HID_RI_USAGE_MAXIMUM(8, (0x30 + (NumAxis - 1))), \
HID_RI_LOGICAL_MINIMUM(16, MinAxisVal), \ HID_RI_LOGICAL_MINIMUM(16, MinAxisVal), \
HID_RI_LOGICAL_MAXIMUM(16, MaxAxisVal), \ HID_RI_LOGICAL_MAXIMUM(16, MaxAxisVal), \
HID_RI_PHYSICAL_MINIMUM(16, MinPhysicalVal), \ HID_RI_PHYSICAL_MINIMUM(16, MinPhysicalVal), \
HID_RI_PHYSICAL_MAXIMUM(16, MaxPhysicalVal), \ HID_RI_PHYSICAL_MAXIMUM(16, MaxPhysicalVal), \
HID_RI_REPORT_COUNT(8, 0x02), \ HID_RI_REPORT_COUNT(8, NumAxis), \
HID_RI_REPORT_SIZE(8, ((((MinAxisVal >= -0xFF) && (MaxAxisVal <= 0xFF)) ? 8 : 16))), \ HID_RI_REPORT_SIZE(8, ((((MinAxisVal >= -0xFF) && (MaxAxisVal <= 0xFF)) ? 8 : 16))), \
HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE), \ HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE), \
HID_RI_END_COLLECTION(0), \ HID_RI_END_COLLECTION(0), \
@ -395,8 +398,7 @@
* } Keyboard_Report; * } Keyboard_Report;
* \endcode * \endcode
* *
* \param[in] MaxKeys Number of simultaneous keys that can be reported at the one time (a value between 1 and * \param[in] MaxKeys Number of simultaneous keys that can be reported at the one time (8-bit).
* (ENDPOINT_SIZE - 2) ).
*/ */
#define HID_DESCRIPTOR_KEYBOARD(MaxKeys) \ #define HID_DESCRIPTOR_KEYBOARD(MaxKeys) \
HID_RI_USAGE_PAGE(8, 0x01), \ HID_RI_USAGE_PAGE(8, 0x01), \
@ -449,11 +451,11 @@
* Where \c intA_t is a type large enough to hold one bit per button, and \c intB_t is a type large enough to hold the * Where \c intA_t is a type large enough to hold one bit per button, and \c intB_t is a type large enough to hold the
* ranges of the signed \c MinAxisVal and \c MaxAxisVal values. * ranges of the signed \c MinAxisVal and \c MaxAxisVal values.
* *
* \param[in] MinAxisVal Minimum X/Y logical axis value. * \param[in] MinAxisVal Minimum X/Y logical axis value (16-bit).
* \param[in] MaxAxisVal Maximum X/Y logical axis value. * \param[in] MaxAxisVal Maximum X/Y logical axis value (16-bit).
* \param[in] MinPhysicalVal Minimum X/Y physical axis value, for movement resolution calculations. * \param[in] MinPhysicalVal Minimum X/Y physical axis value, for movement resolution calculations (16-bit).
* \param[in] MaxPhysicalVal Maximum X/Y physical axis value, for movement resolution calculations. * \param[in] MaxPhysicalVal Maximum X/Y physical axis value, for movement resolution calculations (16-bit).
* \param[in] Buttons Total number of buttons in the device. * \param[in] Buttons Total number of buttons in the device (8-bit).
* \param[in] AbsoluteCoords Boolean true to use absolute X/Y coordinates (e.g. touchscreen). * \param[in] AbsoluteCoords Boolean true to use absolute X/Y coordinates (e.g. touchscreen).
*/ */
#define HID_DESCRIPTOR_MOUSE(MinAxisVal, MaxAxisVal, MinPhysicalVal, MaxPhysicalVal, Buttons, AbsoluteCoords) \ #define HID_DESCRIPTOR_MOUSE(MinAxisVal, MaxAxisVal, MinPhysicalVal, MaxPhysicalVal, Buttons, AbsoluteCoords) \

1
LUFA/ManPages/ChangeLog.txt
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@ -57,6 +57,7 @@
* - Added endian correcting code to the library USB class drivers for multiple architecture support * - Added endian correcting code to the library USB class drivers for multiple architecture support
* - Removed the ENDPOINT_DESCRIPTOR_DIR_* macros, replaced by ENDPOINT_DIR_* instead * - Removed the ENDPOINT_DESCRIPTOR_DIR_* macros, replaced by ENDPOINT_DIR_* instead
* - Renamed the JTAG_DEBUG_ASSERT() macro to JTAG_ASSERT() * - Renamed the JTAG_DEBUG_ASSERT() macro to JTAG_ASSERT()
* - Added variable number of axis to HID_DESCRIPTOR_JOYSTICK() for multi-axis joysticks above just X and Y
* - Library Applications: * - Library Applications:
* - Modified the Low Level and Class Driver AudioInput and AudioOutput demos to support multiple audio sample rates * - Modified the Low Level and Class Driver AudioInput and AudioOutput demos to support multiple audio sample rates
* - Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationComplete() event callback for device configuration * - Updated all host mode demos and projects to use the EVENT_USB_Host_DeviceEnumerationComplete() event callback for device configuration

30
LUFA/ManPages/MigrationInformation.txt
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@ -11,20 +11,8 @@
* areas relevant to making older projects compatible with the API changes of each new release. * areas relevant to making older projects compatible with the API changes of each new release.
* *
* \section Sec_MigrationXXXXXX Migrating from 110528 to XXXXXX * \section Sec_MigrationXXXXXX Migrating from 110528 to XXXXXX
* <b>Device Mode</b> * <b>Non-USB Library Components</b>
* - The definition of the Audio class \ref USB_Audio_Descriptor_Format_t has been altered, to remove the fixed singular * - The \c JTAG_DEBUG_ASSERT() macro has been renamed \ref JTAG_ASSERT() to be consistent with \ref STDOUT_ASSERT().
* audio sample rate in the descriptor definition, and to rename the \c SampleFrequencyType to the more appropriate
* \c TotalDiscreteSampleRates. Existing applications will need to add an array of \ref USB_Audio_SampleFreq_t elements
* immediately following any \ref USB_Audio_Descriptor_Format_t descriptors, and insert the appropriate sampling rates
* supported by the device, as well as rename the descriptor elements to match the updated element names.
* - The device mode Audio class driver now requires a new user application callback, \ref CALLBACK_Audio_Device_GetSetEndpointProperty().
* Existing applications must implement this new callback, however if multiple sample rates or pitch control is not used,
* this function may be hard-coded to always return false for previous behaviour to be retained.
* - The \c USB_ConfigurationNumber, \c USB_RemoteWakeupEnabled and \c USB_CurrentlySelfPowered globals have been renamed to
* \ref USB_Device_ConfigurationNumber, \ref USB_Device_RemoteWakeupEnabled and \ref USB_Device_CurrentlySelfPowered to clearly indicate
* the USB mode they relate to. Existing applications using these variables should rename all references to the previous names.
* - The \c ENDPOINT_DESCRIPTOR_DIR_IN and \c ENDPOINT_DESCRIPTOR_DIR_OUT macros have now been replaced by \ref ENDPOINT_DIR_IN and
* \ref ENDPOINT_DIR_OUT to improve code clarity.
* *
* <b>USB Core</b> * <b>USB Core</b>
* - By default, unordered Endpoint and Pipe configuration is now allowed once again, via the previous workaround of * - By default, unordered Endpoint and Pipe configuration is now allowed once again, via the previous workaround of
@ -53,6 +41,20 @@
* - The Device mode RNDIS class driver no longer stores the incoming and outgoing packets in the class driver instance; the user is * - The Device mode RNDIS class driver no longer stores the incoming and outgoing packets in the class driver instance; the user is
* now expected to manually define a storage location for the packet data. Packets must now be sent and received manually via a call * now expected to manually define a storage location for the packet data. Packets must now be sent and received manually via a call
* to \ref RNDIS_Device_ReadPacket() and/or \ref RNDIS_Device_SendPacket(). * to \ref RNDIS_Device_ReadPacket() and/or \ref RNDIS_Device_SendPacket().
* - The definition of the Audio class \ref USB_Audio_Descriptor_Format_t has been altered, to remove the fixed singular
* audio sample rate in the descriptor definition, and to rename the \c SampleFrequencyType to the more appropriate
* \c TotalDiscreteSampleRates. Existing applications will need to add an array of \ref USB_Audio_SampleFreq_t elements
* immediately following any \ref USB_Audio_Descriptor_Format_t descriptors, and insert the appropriate sampling rates
* supported by the device, as well as rename the descriptor elements to match the updated element names.
* - The device mode Audio class driver now requires a new user application callback, \ref CALLBACK_Audio_Device_GetSetEndpointProperty().
* Existing applications must implement this new callback, however if multiple sample rates or pitch control is not used,
* this function may be hard-coded to always return false for previous behaviour to be retained.
* - The \c USB_ConfigurationNumber, \c USB_RemoteWakeupEnabled and \c USB_CurrentlySelfPowered globals have been renamed to
* \ref USB_Device_ConfigurationNumber, \ref USB_Device_RemoteWakeupEnabled and \ref USB_Device_CurrentlySelfPowered to clearly indicate
* the USB mode they relate to. Existing applications using these variables should rename all references to the previous names.
* - The \c ENDPOINT_DESCRIPTOR_DIR_IN and \c ENDPOINT_DESCRIPTOR_DIR_OUT macros have now been replaced by \ref ENDPOINT_DIR_IN and
* \ref ENDPOINT_DIR_OUT to improve code clarity.
* - The \ref HID_DESCRIPTOR_JOYSTICK() macro now takes an additional (first) parameter indicating the number of axis in the joystick.
* *
* <b>Host Mode</b> * <b>Host Mode</b>
* - The Pipe stream functions now all require a \c BytesProcessed parameter instead of the previous callback parameter. * - The Pipe stream functions now all require a \c BytesProcessed parameter instead of the previous callback parameter.