| // 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. |
| |
| #pragma once |
| |
| #include <zircon/compiler.h> |
| #include <zircon/types.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| __BEGIN_CDECLS |
| |
| #define GT92XX_RPT_ID_TOUCH 1 |
| |
| typedef struct gt92xx_finger { |
| uint8_t finger_id; |
| uint16_t x; |
| uint16_t y; |
| } __PACKED gt92xx_finger_t; |
| |
| typedef struct gt92xx_touch { |
| uint8_t rpt_id; |
| gt92xx_finger_t fingers[5]; |
| uint8_t contact_count; // will be zero for reports for fingers 6-10 |
| } __PACKED gt92xx_touch_t; |
| |
| bool is_gt92xx_touch_report_desc(const uint8_t* data, size_t len); |
| zx_status_t setup_gt92xx_touch(int fd); |
| |
| size_t get_gt92xx_report_desc(const uint8_t** buf); |
| |
| __END_CDECLS |
