It doesn't look like you can process an input report by Logical collections. #65
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SSL-Julian
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I have a 10 point touch screen that has a logical collection for each touch point, but there doesn't seem to be a simple way to parse the input report by these collections, only as a list of 54 individual values.
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x04, // Usage (Touch Screen)
0xA1, 0x01, // Collection (Application)
0x85, 0x10, // Report ID (16)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x09, 0x22, // Usage (Finger)
0xA1, 0x02, // Collection (Logical)
0x09, 0x42, // Usage (Tip Switch)
0x15, 0x00, // Logical Minimum (0)
0x25, 0x01, // Logical Maximum (1)
0x75, 0x01, // Report Size (1)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x07, // Report Count (7)
0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x75, 0x08, // Report Size (8)
0x09, 0x51, // Usage (0x51)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x95, 0x01, // Report Count (1)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01, // Usage Page (Generic Desktop Ctrls)
0x26, 0xFF, 0x0F, // Logical Maximum (4095)
0x75, 0x10, // Report Size (16)
0x55, 0x0E, // Unit Exponent (-2)
0x65, 0x11, // Unit (System: SI Linear, Length: Centimeter)
0x09, 0x30, // Usage (X)
0x35, 0x00, // Physical Minimum (0)
0x46, 0x52, 0x17, // Physical Maximum (5970)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x46, 0x20, 0x0D, // Physical Maximum (3360)
0x09, 0x31, // Usage (Y)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x45, 0x00, // Physical Maximum (0)
0xC0, // End Collection
0x05, 0x0D, // Usage Page (Digitizer)
0x15, 0x00, // Logical Minimum (0)
0x27, 0xFF, 0xFF, 0x00, 0x00, // Logical Maximum (65534)
0x25, 0x0A, // Logical Maximum (10)
0x75, 0x08, // Report Size (8)
0x95, 0x01, // Report Count (1)
0x09, 0x54, // Usage (0x54)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x27, 0xFF, 0xFF, 0x00, 0x00, // Logical Maximum (65534)
0x55, 0x0C, // Unit Exponent (-4)
0x66, 0x01, 0x10, // Unit (System: SI Linear, Time: Seconds)
0x75, 0x10, // Report Size (16)
0x09, 0x56, // Usage (0x56)
0x35, 0x00, // Physical Minimum (0)
0x47, 0xFF, 0xFF, 0x00, 0x00, // Physical Maximum (65534)
0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x85, 0x08, // Report ID (8)
0x09, 0x55, // Usage (0x55)
0x25, 0x0A, // Logical Maximum (10)
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
0x85, 0x44, // Report ID (68)
0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
0x09, 0xC5, // Usage (0xC5)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x96, 0x00, 0x01, // Report Count (256)
0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
0xC0, // End Collection
0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00)
0x09, 0x01, // Usage (0x01)
0xA1, 0x01, // Collection (Application)
0x85, 0x09, // Report ID (9)
0x19, 0x01, // Usage Minimum (0x01)
0x29, 0x20, // Usage Maximum (0x20)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x3F, // Report Count (63)
0x91, 0x00, // Output (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile)
0x85, 0x0A, // Report ID (10)
0x19, 0x01, // Usage Minimum (0x01)
0x29, 0x20, // Usage Maximum (0x20)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x00, // Logical Maximum (255)
0x75, 0x08, // Report Size (8)
0x95, 0x3F, // Report Count (63)
0x81, 0x00, // Input (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position)
0xC0, // End Collection
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