| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <assert.h> |
| #include <hid/egalax.h> |
| #include <zircon/errors.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| static const uint8_t egalax_touch_report_desc[] = { |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x04, // Usage (Touch Screen) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x02, // Report ID (2) |
| 0x09, 0x20, // Usage (Stylus) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x09, 0x42, // Usage (Tip Switch) |
| 0x09, 0x32, // Usage (In Range) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x95, 0x02, // Report Count (2) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x95, 0x06, // Report Count (6) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x03, // Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x05, 0x01, // Usage (Generic Desktop Controls) |
| 0x09, 0x30, // Usage (X) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x01, // Report Count (1) |
| 0xA4, // Push |
| 0x55, 0x0D, // Unit Exponent (-3) |
| 0x65, 0x33, // Unit (System: English, Length: Inch) |
| 0x36, 0x00, 0x00, // Physical Minimum (0) |
| 0x46, 0x99, 0x28, // Physical Maximum, (10393) |
| 0x16, 0x00, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x0F, // Logical Maximum (4095) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x09, 0x31, // Usage (Y) |
| 0x16, 0x00, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x0F, // Logical Maximum (4095) |
| 0x36, 0x00, 0x00, // Physical Minimum (0) |
| 0x46, 0xAF, 0x19, // Physical Maximum (6575) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xB4, // Pop |
| 0xC0, // End Collection |
| 0xC0, // End Collection |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x01, // Usage (Pointer) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x01, // Report ID (1) |
| 0x09, 0x01, // Usage (Pointer) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x05, 0x09, // Usage Page (Button) |
| 0x19, 0x01, // Usage Minimum (1) |
| 0x29, 0x02, // Usage Maximum (2) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x95, 0x02, // Report Count (2) |
| 0x75, 0x01, // Report Size (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x95, 0x01, // Report Count (1) |
| 0x75, 0x06, // Report Size (6) |
| 0x81, 0x01, // Input (Data,Array,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x30, // Usage (X) |
| 0x09, 0x31, // Usage (Y) |
| 0x16, 0x00, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x0F, // Logical Maximum (4095) |
| 0x36, 0x00, 0x00, // Physical Minimum (0) |
| 0x46, 0xFF, 0x0F, // Physical Maximum (4095) |
| 0x66, 0x00, 0x00, // Unit (None) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x02, // Report Count (2) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0xC0, // End Collection |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined) |
| 0x09, 0x01, // Usage (Pointer) |
| 0xA1, 0x01, // Collection (Application) |
| 0x09, 0x01, // Usage (Pointer) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x85, 0x03, // Report ID (3) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x05, // Report Count (5) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined) |
| 0x09, 0x01, // Usage (Pointer) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x26, 0xFF, 0x00, // Logical Maximum (255) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x05, // Report Count (5) |
| 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x04, // Usage (Touch Screen) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x04, // Report ID (4) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x00, // Collection (Physical) |
| 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,Non-volatile) |
| 0x09, 0x32, // Usage (In Range) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x09, 0x51, // Usage (Contact Identifier) |
| 0x75, 0x05, // Report Size (5) |
| 0x95, 0x01, // Report Count (1) |
| 0x16, 0x00, 0x00, // Logical Minimum (0) |
| 0x26, 0x10, 0x00, // Logical Maximum (16) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x09, 0x47, // Usage (Confidence) |
| 0x75, 0x01, // Report Size (1) |
| 0x95, 0x01, // Report Count (1) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x01, // Logical Maximum (1) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) |
| 0x09, 0x30, // Usage (X) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x01, // Report Count (1) |
| 0x55, 0x0D, // Unit Exponent (-3) |
| 0x65, 0x33, // Unit (System: English, Length: Inch) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0x60, 0x17, // Physical Maximum (5984) |
| 0x26, 0xFF, 0x0F, // Logical Maximum (4095) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x09, 0x31, // Usage (Y) |
| 0x75, 0x10, // Report Size (16) |
| 0x95, 0x01, // Report Count (1) |
| 0x55, 0x0D, // Report Exponent (-3) |
| 0x65, 0x33, // Unit (System: English, Length: Inch) |
| 0x35, 0x00, // Physical Minimum (0) |
| 0x46, 0x26, 0x0e, // Physical Maximum (3622) |
| 0x26, 0xFF, 0x0F, // Logical Maximum (4095) |
| 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x55, // Usage (Max Contact Points) |
| 0x25, 0x08, // Logical Maximum (8) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x01, // Report Count (1) |
| 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0xC0, // End Collection |
| 0x05, 0x0D, // Usage Page (Digitizer) |
| 0x09, 0x0E, // Usage (Configuration) |
| 0xA1, 0x01, // Collection (Application) |
| 0x85, 0x05, // Report ID (5) |
| 0x09, 0x22, // Usage (Finger) |
| 0xA1, 0x00, // Collection (Physical) |
| 0x09, 0x52, // Usage (Device Mode) |
| 0x09, 0x53, // Usage (Device Index) |
| 0x15, 0x00, // Logical Minimum (0) |
| 0x25, 0x0A, // Logical Maximum (10) |
| 0x75, 0x08, // Report Size (8) |
| 0x95, 0x02, // Report Count (2) |
| 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) |
| 0xC0, // End Collection |
| 0xC0 // End Collection |
| // 322 bytes |
| }; |
| |
| |
| bool is_egalax_touchscreen_report_desc(const uint8_t* data, size_t len) { |
| if (!data) |
| return false; |
| |
| if (len != sizeof(egalax_touch_report_desc)) { |
| return false; |
| } |
| |
| return (memcmp(data, egalax_touch_report_desc, len) == 0); |
| } |
| |
| const uint8_t* get_egalax_touch_report_desc(size_t* len) { |
| *len = sizeof(egalax_touch_report_desc); |
| return egalax_touch_report_desc; |
| } |
| |
| zx_status_t setup_egalax_touchscreen(int fd) { |
| if (fd < 0) |
| return ZX_ERR_INVALID_ARGS; |
| |
| return ZX_OK; |
| } |
