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_GT911) && (CONFIG_TOUCH_GT911 == 1) 17 #include "hpm_gt911.h" 18 #define HPM_TOUCH_MAX_POINTS (GT911_MAX_TOUCH_POINTS) 19 #else 20 #error "unknown touch type, either have CONFIG_FT5406 or CONFIG_GT911 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 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