diff options
| author | Dan Halbert <halbert@halwitz.org> | 2017-04-15 10:18:56 -0400 |
|---|---|---|
| committer | Dan Halbert <halbert@halwitz.org> | 2017-04-15 10:18:56 -0400 |
| commit | 2fe6b74e9001eb2ea0d09e5617dd7d91851ae072 (patch) | |
| tree | 2f437126ed72b1a1056044e14a8dd3304894ce9d | |
| parent | b653c3c8fc2f97fa59f7d767338e2eab08739d57 (diff) | |
atmel-samd: HID report descriptor for mouse had to be COMPILER_WORD_ALIGNED.
| -rw-r--r-- | atmel-samd/asf/common/services/usb/class/hid/device/mouse/udi_hid_mouse.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/atmel-samd/asf/common/services/usb/class/hid/device/mouse/udi_hid_mouse.c b/atmel-samd/asf/common/services/usb/class/hid/device/mouse/udi_hid_mouse.c index bd82022ff..07402f214 100644 --- a/atmel-samd/asf/common/services/usb/class/hid/device/mouse/udi_hid_mouse.c +++ b/atmel-samd/asf/common/services/usb/class/hid/device/mouse/udi_hid_mouse.c @@ -119,6 +119,12 @@ static bool udi_hid_mouse_setreport(void); //@} //! HID report descriptor for standard HID mouse +//*** CircuitPython: added COMPILER_WORD_ALIGNED to ensure descriptor is word aligned. +// Without this, descriptor sent to host was garbled. +// It appears this is necessary but frequently omitted in UDC_DESC_STORAGE declarations +// in ASF code. +// See comments about buffer alignment in asf/common/services/usb/udc/udd.h +COMPILER_WORD_ALIGNED UDC_DESC_STORAGE udi_hid_mouse_report_desc_t udi_hid_mouse_report_desc = { { 0x05, 0x01, /* Usage Page (Generic Desktop), */ |