146 lines
4.9 KiB
C
146 lines
4.9 KiB
C
/*
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* File : focaltech_ts.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2017-01-01 Urey first version
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*/
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#ifndef _FOCALTECH_TS_H_
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#define _FOCALTECH_TS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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/* -- dirver configure -- */
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#define FTS_SLAVE_ADDR (0x70 >> 1)
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#define CFG_MAX_TOUCH_POINTS 10
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#define FTS_PRESS_MAX 0xFF
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#define FTS_PRESS 0x08
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#define FTS_NAME "FTS"
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#define FTS_INPUT_DEV_NAME "focal-touchscreen"
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#define FTS_MAX_ID 0x0F
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#define FTS_TOUCH_STEP 6
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#define FTS_TOUCH_X_H_POS 3
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#define FTS_TOUCH_X_L_POS 4
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#define FTS_TOUCH_Y_H_POS 5
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#define FTS_TOUCH_Y_L_POS 6
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#define FTS_TOUCH_XY_POS 7
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#define FTS_TOUCH_MISC 8
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#define FTS_TOUCH_EVENT_POS 3
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#define FTS_TOUCH_ID_POS 5
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#define FT_TOUCH_POINT_NUM 2
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#define POINT_READ_BUF (3 + FTS_TOUCH_STEP * CFG_MAX_TOUCH_POINTS)
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/*register address*/
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#define FTS_REG_CHIP_ID 0xA3 //chip ID
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#define FTS_REG_FW_VER 0xA6
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#define FTS_REG_POINT_RATE 0x88
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#define FTS_REG_THGROUP 0x80
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#define FTS_REG_VENDOR_ID 0xA8
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#define FTS_ENABLE_IRQ 1
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#define FTS_DISABLE_IRQ 0
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#define TPD_MAX_POINTS_2 2
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#define TPD_MAX_POINTS_5 5
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#define TPD_MAXPOINTS_10 10
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#define AUTO_CLB_NEED 1
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#define AUTO_CLB_NONEED 0
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#define TOUCH_SWAP_XY 1
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#define TOUCH_SWAP_X 0
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#define TOUCH_SWAP_Y 1
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struct Upgrade_Info
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{
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uint8_t CHIP_ID;
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uint8_t FTS_NAME_INFO[20];
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uint8_t TPD_MAX_POINTS;
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uint8_t AUTO_CLB;
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uint16_t delay_aa; /*delay of write FTS_UPGRADE_AA */
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uint16_t delay_55; /*delay of write FTS_UPGRADE_55 */
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uint8_t upgrade_id_1; /*upgrade id 1 */
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uint8_t upgrade_id_2; /*upgrade id 2 */
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uint16_t delay_readid; /*delay of read id */
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uint16_t delay_earse_flash; /*delay of earse flash*/
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};
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/* The platform data for the Focaltech focaltech touchscreen driver */
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struct fts_platform_data
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{
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uint32_t gpio_irq; /* IRQ port*/
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uint32_t irq_cfg;
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uint32_t gpio_wakeup; /* Wakeup support*/
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uint32_t wakeup_cfg;
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uint32_t gpio_reset; /* Reset support*/
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uint32_t reset_cfg;
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int screen_max_x;
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int screen_max_y;
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int pressure_max;
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};
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struct fts_event
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{
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uint16_t au16_x[CFG_MAX_TOUCH_POINTS]; /*x coordinate */
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uint16_t au16_y[CFG_MAX_TOUCH_POINTS]; /*y coordinate */
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uint8_t au8_touch_event[CFG_MAX_TOUCH_POINTS]; /*touch event:0 -- down; 1-- contact; 2 -- contact */
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uint8_t au8_finger_id[CFG_MAX_TOUCH_POINTS]; /*touch ID */
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uint8_t au8_finger_weight[CFG_MAX_TOUCH_POINTS]; /*touch weight */
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uint8_t pressure[CFG_MAX_TOUCH_POINTS];
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uint8_t area[CFG_MAX_TOUCH_POINTS];
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uint8_t touch_point;
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uint8_t touch_point_num;
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};
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struct focal_i2c_platform_data
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{
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uint16_t version;
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int abs_x_min;
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int abs_x_max;
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int abs_y_min;
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int abs_y_max;
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int intr_gpio;
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int rst_gpio;
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};
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struct fts_ts_data
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{
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uint8_t addr;
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uint8_t fw_ver; //firmware version
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uint32_t x_min,x_max;
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uint32_t y_min,y_max;
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uint32_t init_success;
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struct fts_event event;
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struct rt_i2c_bus_device *i2c_bus;
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struct rt_semaphore sem;
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int touchs;
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};
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void fts_ts_interrupt_cb(struct fts_ts_data *fts_ts);
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int fts_ts_probe(struct fts_ts_data *fts_ts,struct rt_i2c_bus_device *i2c_bus, const uint8_t addr);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FOCALTECH_TS_H_ */
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