When I use the BLE mouse example in the nRF5 SDK (17.0.2), it works on iOS (14). However, the report is divided into 3 parts. I would like to combine the mouse buttons, X, Y and Wheel in one report (in that order). However, this doesn't seem to work on iOS, even though it works if I also add a keyboard descriptor and it works on other OS. I assume this is a bug in iOS? Is this why the mouse example splits the report?
Works (modified from mouse example):
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x02, // Usage (Mouse)
0xA1, 0x01, // Collection (Application)
// Report ID 1: Mouse motion
0x85, 0x01, // Report Id 1
0x09, 0x01, // Usage (Pointer)
0xA1, 0x00, // Collection (Physical)
0x75, 0x0C, // Report Size (12)
0x95, 0x02, // Report Count (2)
0x05, 0x01, // Usage Page (Generic Desktop)
0x16, 0x01, 0xF8, // Logical maximum (2047)
0x26, 0xFF, 0x07, // Logical minimum (-2047)
0x09, 0x30, // Usage (X)
0x09, 0x31, // Usage (Y)
0x81, 0x06, // Input (Data, Variable, Relative)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x38, // Usage (Wheel)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x81, 0x06, // Input (Data, Variable, Relative)
0xC0, // End Collection (Physical)
// Report ID 2: Mouse buttons + scroll/pan
0x85, 0x02, // Report Id 2
0x09, 0x01, // Usage (Pointer)
0xA1, 0x00, // Collection (Physical)
0x95, 0x05, // Report Count (3)
0x75, 0x01, // Report Size (1)
0x05, 0x09, // Usage Page (Buttons)
0x19, 0x01, // Usage Minimum (01)
0x29, 0x05, // Usage Maximum (05)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x81, 0x02, // Input (Data, Variable, Absolute)
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x81, 0x01, // Input (Constant) for padding
0xC0, // End Collection (Physical)
0xC0, // End Collection (Application)
Does not work (also removed report characteristics and changed INPUT_REPORT_COUNT):
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x02, // Usage (Mouse)
0xA1, 0x01, // Collection (Application)
// Report ID 1: Mouse motion
0x85, 0x01, // Report Id 1
0x09, 0x01, // Usage (Pointer)
0xA1, 0x00, // Collection (Physical)
0x95, 0x05, // Report Count (3)
0x75, 0x01, // Report Size (1)
0x05, 0x09, // Usage Page (Buttons)
0x19, 0x01, // Usage Minimum (01)
0x29, 0x05, // Usage Maximum (05)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x81, 0x02, // Input (Data, Variable, Absolute)
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x81, 0x01, // Input (Constant) for padding
0x75, 0x0C, // Report Size (12)
0x95, 0x02, // Report Count (2)
0x05, 0x01, // Usage Page (Generic Desktop)
0x16, 0x01, 0xF8, // Logical maximum (2047)
0x26, 0xFF, 0x07, // Logical minimum (-2047)
0x09, 0x30, // Usage (X)
0x09, 0x31, // Usage (Y)
0x81, 0x06, // Input (Data, Variable, Relative)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x38, // Usage (Wheel)
0x15, 0x81, // Logical Minimum (-127)
0x25, 0x7F, // Logical Maximum (127)
0x81, 0x06, // Input (Data, Variable, Relative)
0xC0, // End Collection (Physical)
0xC0, // End Collection (Application)
