76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
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/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-05-26 Chushicheng the first version
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*/
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#ifndef __DRV_GT911_H
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#define __DRV_GT911_H
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#include <rtdevice.h>
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typedef enum
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{
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GT911_INT_MODE_IRQ_RISE = 0x00U,
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GT911_INT_MODE_IRQ_FALL = 0x01U,
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GT911_INT_MODE_POLL = 0x03U,
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} gt911_int_mode_t;
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typedef struct
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{
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rt_uint8_t id;
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rt_uint16_t pos_x;
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rt_uint16_t pos_y;
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rt_uint16_t size;
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} gt911_point_t;
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typedef struct
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{
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rt_uint8_t num_pos;
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gt911_point_t pos[5];
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} gt911_input_t;
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typedef struct
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{
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rt_uint8_t *tx_data;
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rt_uint8_t *rx_data;
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rt_uint16_t tx_len;
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rt_uint16_t rx_len;
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} gt911_i2c_xfer_t;
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typedef rt_err_t (*gt911_ops_reset_t)(void *handle);
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typedef rt_err_t (*gt911_ops_i2c_xfer_t)(void *handle, gt911_i2c_xfer_t *xfer);
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typedef struct
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{
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gt911_ops_reset_t reset;
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gt911_ops_i2c_xfer_t xfer;
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} gt911_ops_t;
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typedef struct
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{
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rt_uint16_t pos_x_max;
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rt_uint16_t pos_y_max;
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rt_uint8_t pos_max;
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rt_uint8_t fw_version;
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gt911_int_mode_t int_mode;
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gt911_ops_t ops;
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void *user_data;
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} gt911_t;
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typedef struct
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{
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struct rt_device parent;
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struct rt_i2c_bus_device *bus;
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gt911_t gt911;
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} capt_t;
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rt_err_t gt911_ctp_read(gt911_t *ctp, gt911_input_t *input);
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int drv_capt_hw_init(void);
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#endif /* __DRV_GT911_H */
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