1 /*
2  * Copyright (c) 2021 HPMicro
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 #ifndef HPM_TOUCH_H
9 #define HPM_TOUCH_H
10 
11 #include "hpm_common.h"
12 
13 #if defined(CONFIG_TOUCH_FT5406) && (CONFIG_TOUCH_FT5406 == 1)
14 #include "hpm_ft5406.h"
15 #define HPM_TOUCH_MAX_POINTS (FT5406_MAX_TOUCH_POINTS)
16 #elif defined(CONFIG_TOUCH_GT9XX) && (CONFIG_TOUCH_GT9XX == 1)
17 #include "hpm_gt9xx.h"
18 #define HPM_TOUCH_MAX_POINTS (GT9XX_MAX_TOUCH_POINTS)
19 #else
20 #error "unknown touch type, either have CONFIG_FT5406 or CONFIG_GT9XX defined"
21 #endif
22 
23 enum {
24     status_touch_buffer_no_ready = MAKE_STATUS(status_group_touch, 0),
25     status_touch_points_over_number = MAKE_STATUS(status_group_touch, 1),
26 };
27 
28 typedef struct {
29     uint16_t x;
30     uint16_t y;
31 } touch_point_t;
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 hpm_stat_t touch_init(I2C_Type *i2c_ptr);
38 hpm_stat_t touch_config(bool exchange_xy, bool reverse_x, bool reverse_y);
39 hpm_stat_t touch_get_data(touch_point_t *points, uint8_t *num_of_points);
40 
41 #ifdef __cplusplus
42 }
43 #endif
44 
45 #endif /* HPM_TOUCH_H */
46