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author | Dean Camera <dean@fourwalledcubicle.com> | 2011-01-23 20:02:51 +0000 |
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committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-01-23 20:02:51 +0000 |
commit | 6c7ed7ecd6d4727e33ddb8c5e4321499a2b76151 (patch) | |
tree | ee950b43a3aaa32a72b7d24f65e0b179f00810cc /LUFA/Drivers/USB/Class/Common | |
parent | 6d67b1df3cb8300612ad7b2f16e6bffe08fb8f30 (diff) | |
download | lufa-6c7ed7ecd6d4727e33ddb8c5e4321499a2b76151.tar.gz lufa-6c7ed7ecd6d4727e33ddb8c5e4321499a2b76151.tar.bz2 lufa-6c7ed7ecd6d4727e33ddb8c5e4321499a2b76151.zip |
Added new HID_DESCRIPTOR_MOUSE, HID_DESCRIPTOR_KEYBOARD and HID_DESCRIPTOR_JOYSTICK macros for easy automatic creation of basic USB HID device reports.
Diffstat (limited to 'LUFA/Drivers/USB/Class/Common')
-rw-r--r-- | LUFA/Drivers/USB/Class/Common/HID.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/Class/Common/HID.h b/LUFA/Drivers/USB/Class/Common/HID.h index f92f8929c..2c6ec4136 100644 --- a/LUFA/Drivers/USB/Class/Common/HID.h +++ b/LUFA/Drivers/USB/Class/Common/HID.h @@ -325,6 +325,159 @@ #define HID_KEYBOARD_SC_RIGHT_GUI 0xE7 //@} + /** \name Standard HID Device Report Descriptors */ + //@{ + /** \hideinitializer + * A list of HID report item array elements that describe a typical HID USB Joystick. The resulting report descriptor + * is structured according to the following layout: + * + * \code + * struct + * { + * uintA_t Buttons; // Pressed buttons bitmask + * intB_t X; // Signed X axis value + * intB_t Y; // Signed Y axis value + * } Joystick_Report; + * \endcode + * + * 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. + * + * \param[in] MinAxisVal Minimum X/Y logical axis value + * \param[in] MaxAxisVal Maximum X/Y logical axis value + * \param[in] Buttons Total number of buttons in the device + */ + #define HID_DESCRIPTOR_JOYSTICK(MinAxisVal, MaxAxisVal, Buttons) \ + HID_RI_USAGE_PAGE(8, 0x01), \ + HID_RI_USAGE(8, 0x04), \ + HID_RI_COLLECTION(8, 0x01), \ + HID_RI_USAGE(8, 0x01), \ + HID_RI_COLLECTION(8, 0x00), \ + HID_RI_USAGE(8, 0x30), \ + HID_RI_USAGE(8, 0x31), \ + HID_RI_REPORT_SIZE(8, (((((uint16_t)MinAxisVal > 0xFF) && ((uint16_t)MaxAxisVal < 0xFF)) ? 8 : 16))), \ + HID_RI_REPORT_COUNT(8, 0x02), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE), \ + HID_RI_END_COLLECTION(0), \ + HID_RI_USAGE_PAGE(8, 0x09), \ + HID_RI_USAGE_MINIMUM(8, 0x01), \ + HID_RI_USAGE_MAXIMUM(8, Buttons), \ + HID_RI_LOGICAL_MINIMUM(8, 0x00), \ + HID_RI_LOGICAL_MAXIMUM(8, 0x01), \ + HID_RI_REPORT_SIZE(8, 0x01), \ + HID_RI_REPORT_COUNT(8, Buttons), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE), \ + HID_RI_REPORT_SIZE(8, (8 - (Buttons % 8))), \ + HID_RI_REPORT_COUNT(8, 0x01), \ + HID_RI_INPUT(8, HID_IOF_CONSTANT), \ + HID_RI_END_COLLECTION(0), + + /** \hideinitializer + * A list of HID report item array elements that describe a typical HID USB keyboard. The resulting report descriptor + * is compatible with \ref USB_KeyboardReport_Data_t when \c MaxKeys is equal to 6. For other values, the report will + * be structured according to the following layout: + * + * \code + * struct + * { + * uint8_t Modifier; // Keyboard modifier byte indicating pressed modifier keys (HID_KEYBOARD_MODIFER_* masks) + * uint8_t Reserved; // Reserved for OEM use, always set to 0. + * uint8_t KeyCode[MaxKeys]; // Length determined by the number of keys that can be reported + * } Keyboard_Report; + * \endcode + * + * \param[in] MaxKeys Number of simultaneous keys that can be reported at the one time (a value between 1 and + * (ENDPOINT_SIZE - 2) ) + */ + #define HID_DESCRIPTOR_KEYBOARD(MaxKeys) \ + HID_RI_USAGE_PAGE(8, 0x01), \ + HID_RI_USAGE(8, 0x06), \ + HID_RI_COLLECTION(8, 0x01), \ + HID_RI_USAGE_PAGE(8, 0x07), \ + HID_RI_USAGE_MINIMUM(8, 0xE0), \ + HID_RI_USAGE_MAXIMUM(8, 0xE7), \ + HID_RI_LOGICAL_MINIMUM(8, 0x00), \ + HID_RI_LOGICAL_MAXIMUM(8, 0x01), \ + HID_RI_REPORT_SIZE(8, 0x01), \ + HID_RI_REPORT_COUNT(8, 0x08), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE), \ + HID_RI_REPORT_COUNT(8, 0x01), \ + HID_RI_REPORT_SIZE(8, 0x08), \ + HID_RI_INPUT(8, HID_IOF_CONSTANT), \ + HID_RI_USAGE_PAGE(8, 0x08), \ + HID_RI_USAGE_MINIMUM(8, 0x01), \ + HID_RI_USAGE_MAXIMUM(8, 0x05), \ + HID_RI_REPORT_COUNT(8, 0x05), \ + HID_RI_REPORT_SIZE(8, 0x01), \ + HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE), \ + HID_RI_REPORT_COUNT(8, 0x01), \ + HID_RI_REPORT_SIZE(8, 0x03), \ + HID_RI_OUTPUT(8, HID_IOF_CONSTANT), \ + HID_RI_LOGICAL_MINIMUM(8, 0x00), \ + HID_RI_LOGICAL_MAXIMUM(8, 0x65), \ + HID_RI_USAGE_PAGE(8, 0x07), \ + HID_RI_USAGE_MINIMUM(8, 0x00), \ + HID_RI_USAGE_MAXIMUM(8, 0x65), \ + HID_RI_REPORT_COUNT(8, MaxKeys), \ + HID_RI_REPORT_SIZE(8, 0x08), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE), \ + HID_RI_END_COLLECTION(0), + + /** \hideinitializer + * A list of HID report item array elements that describe a typical HID USB mouse. The resulting report descriptor + * is compatible with \ref USB_MouseReport_Data_t if the \c MinAxisVal and \c MaxAxisVal values fit within a \c int8_t range + * and the number of Buttons is less than 8. For other values, the report is structured according to the following layout: + * + * \code + * struct + * { + * uintA_t Buttons; // Pressed buttons bitmask + * intB_t X; // X axis value + * intB_t Y; // Y axis value + * } Mouse_Report; + * \endcode + * + * 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. + * + * \param[in] MinAxisVal Minimum X/Y logical axis value + * \param[in] MaxAxisVal Maximum X/Y logical axis value + * \param[in] MinPhysicalVal Minimum X/Y physical axis value, for movement resolution calculations + * \param[in] MaxPhysicalVal Maximum X/Y physical axis value, for movement resolution calculations + * \param[in] Buttons Total number of buttons in the device + * \param[in] AbsoluteCoords Boolean true to use absolute X/Y coordinates (e.g. touchscreen) + */ + #define HID_DESCRIPTOR_MOUSE(MinAxisVal, MaxAxisVal, MinPhysicalVal, MaxPhysicalVal, Buttons, AbsoluteCoords) \ + HID_RI_USAGE_PAGE(8, 0x01), \ + HID_RI_USAGE(8, 0x02), \ + HID_RI_COLLECTION(8, 0x01), \ + HID_RI_USAGE(8, 0x01), \ + HID_RI_COLLECTION(8, 0x00), \ + HID_RI_USAGE_PAGE(8, 0x09), \ + HID_RI_USAGE_MINIMUM(8, 0x01), \ + HID_RI_USAGE_MAXIMUM(8, Buttons), \ + HID_RI_LOGICAL_MINIMUM(8, 0x00), \ + HID_RI_LOGICAL_MAXIMUM(8, 0x01), \ + HID_RI_REPORT_COUNT(8, Buttons), \ + HID_RI_REPORT_SIZE(8, 0x01), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_VOLATILE), \ + HID_RI_REPORT_COUNT(8, 0x01), \ + HID_RI_REPORT_SIZE(8, (8 - (Buttons % 8))), \ + HID_RI_INPUT(8, HID_IOF_CONSTANT), \ + HID_RI_USAGE_PAGE(8, 0x01), \ + HID_RI_USAGE(8, 0x30), \ + HID_RI_USAGE(8, 0x31), \ + HID_RI_LOGICAL_MINIMUM(16, MinAxisVal), \ + HID_RI_LOGICAL_MAXIMUM(16, MaxAxisVal), \ + HID_RI_PHYSICAL_MINIMUM(16, MinPhysicalVal), \ + HID_RI_PHYSICAL_MAXIMUM(16, MaxPhysicalVal), \ + HID_RI_REPORT_COUNT(8, 0x02), \ + HID_RI_REPORT_SIZE(8, (((((uint16_t)MinAxisVal > 0xFF) && ((uint16_t)MaxAxisVal < 0xFF)) ? 8 : 16))), \ + HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | (AbsoluteCoords ? HID_IOF_ABSOLUTE : HID_IOF_RELATIVE) | HID_IOF_NON_VOLATILE), \ + HID_RI_END_COLLECTION(0), \ + HID_RI_END_COLLECTION(0), + //@} + /* Type Defines: */ /** Enum for possible Class, Subclass and Protocol values of device and interface descriptors relating to the HID * device class. |