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538 lines
20 KiB
538 lines
20 KiB
/** |
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****************************************************************************** |
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* @file ft5336.h |
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* @author MCD Application Team |
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* @brief This file contains all the functions prototypes for the |
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* ft5336.c Touch screen driver. |
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****************************************************************************** |
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* @attention |
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* |
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
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* |
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* Redistribution and use in source and binary forms, with or without modification, |
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* are permitted provided that the following conditions are met: |
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* 1. Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* 3. Neither the name of STMicroelectronics nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************** |
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*/ |
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/* Define to prevent recursive inclusion -------------------------------------*/ |
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#ifndef __FT5336_H |
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#define __FT5336_H |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* Set Multi-touch as supported */ |
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#if !defined(TS_MONO_TOUCH_SUPPORTED) |
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#define TS_MULTI_TOUCH_SUPPORTED 1 |
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#endif /* TS_MONO_TOUCH_SUPPORTED */ |
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/* Includes ------------------------------------------------------------------*/ |
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#include "../Common/ts.h" |
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/* Macros --------------------------------------------------------------------*/ |
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#if defined(FT5336_ENABLE_ASSERT) |
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/* Assert activated */ |
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#define FT5336_ASSERT(__condition__) do { if(__condition__) \ |
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{ \ |
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while(1); \ |
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} \ |
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}while(0) |
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#else |
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/* Assert not activated : macro has no effect */ |
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#define FT5336_ASSERT(__condition__) do { if(__condition__) \ |
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{ \ |
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; \ |
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} \ |
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}while(0) |
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#endif /* FT5336_ENABLE_ASSERT == 1 */ |
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/** @typedef ft5336_handle_TypeDef |
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* ft5336 Handle definition. |
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*/ |
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typedef struct |
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{ |
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uint8_t i2cInitialized; |
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/* field holding the current number of simultaneous active touches */ |
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uint8_t currActiveTouchNb; |
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/* field holding the touch index currently managed */ |
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uint8_t currActiveTouchIdx; |
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} ft5336_handle_TypeDef; |
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/** @addtogroup BSP |
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* @{ |
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*/ |
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/** @addtogroup Component |
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* @{ |
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*/ |
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/** @defgroup FT5336 |
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* @{ |
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*/ |
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/* Exported types ------------------------------------------------------------*/ |
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/** @defgroup FT5336_Exported_Types |
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* @{ |
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*/ |
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/* Exported constants --------------------------------------------------------*/ |
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/** @defgroup FT5336_Exported_Constants |
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* @{ |
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*/ |
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/* I2C Slave address of touchscreen FocalTech FT5336 */ |
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#define FT5336_I2C_SLAVE_ADDRESS ((uint8_t)0x70) |
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/* Maximum border values of the touchscreen pad */ |
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#define FT5336_MAX_WIDTH ((uint16_t)480) /* Touchscreen pad max width */ |
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#define FT5336_MAX_HEIGHT ((uint16_t)272) /* Touchscreen pad max height */ |
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/* Possible values of driver functions return status */ |
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#define FT5336_STATUS_OK ((uint8_t)0x00) |
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#define FT5336_STATUS_NOT_OK ((uint8_t)0x01) |
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/* Possible values of global variable 'TS_I2C_Initialized' */ |
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#define FT5336_I2C_NOT_INITIALIZED ((uint8_t)0x00) |
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#define FT5336_I2C_INITIALIZED ((uint8_t)0x01) |
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/* Max detectable simultaneous touches */ |
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#define FT5336_MAX_DETECTABLE_TOUCH ((uint8_t)0x05) |
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/** |
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* @brief : Definitions for FT5336 I2C register addresses on 8 bit |
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**/ |
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/* Current mode register of the FT5336 (R/W) */ |
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#define FT5336_DEV_MODE_REG ((uint8_t)0x00) |
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/* Possible values of FT5336_DEV_MODE_REG */ |
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#define FT5336_DEV_MODE_WORKING ((uint8_t)0x00) |
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#define FT5336_DEV_MODE_FACTORY ((uint8_t)0x04) |
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#define FT5336_DEV_MODE_MASK ((uint8_t)0x07) |
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#define FT5336_DEV_MODE_SHIFT ((uint8_t)0x04) |
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/* Gesture ID register */ |
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#define FT5336_GEST_ID_REG ((uint8_t)0x01) |
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/* Possible values of FT5336_GEST_ID_REG */ |
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#define FT5336_GEST_ID_NO_GESTURE ((uint8_t)0x00) |
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#define FT5336_GEST_ID_MOVE_UP ((uint8_t)0x10) |
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#define FT5336_GEST_ID_MOVE_RIGHT ((uint8_t)0x14) |
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#define FT5336_GEST_ID_MOVE_DOWN ((uint8_t)0x18) |
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#define FT5336_GEST_ID_MOVE_LEFT ((uint8_t)0x1C) |
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#define FT5336_GEST_ID_SINGLE_CLICK ((uint8_t)0x20) |
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#define FT5336_GEST_ID_DOUBLE_CLICK ((uint8_t)0x22) |
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#define FT5336_GEST_ID_ROTATE_CLOCKWISE ((uint8_t)0x28) |
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#define FT5336_GEST_ID_ROTATE_C_CLOCKWISE ((uint8_t)0x29) |
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#define FT5336_GEST_ID_ZOOM_IN ((uint8_t)0x40) |
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#define FT5336_GEST_ID_ZOOM_OUT ((uint8_t)0x49) |
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/* Touch Data Status register : gives number of active touch points (0..5) */ |
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#define FT5336_TD_STAT_REG ((uint8_t)0x02) |
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/* Values related to FT5336_TD_STAT_REG */ |
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#define FT5336_TD_STAT_MASK ((uint8_t)0x0F) |
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#define FT5336_TD_STAT_SHIFT ((uint8_t)0x00) |
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/* Values Pn_XH and Pn_YH related */ |
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#define FT5336_TOUCH_EVT_FLAG_PRESS_DOWN ((uint8_t)0x00) |
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#define FT5336_TOUCH_EVT_FLAG_LIFT_UP ((uint8_t)0x01) |
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#define FT5336_TOUCH_EVT_FLAG_CONTACT ((uint8_t)0x02) |
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#define FT5336_TOUCH_EVT_FLAG_NO_EVENT ((uint8_t)0x03) |
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#define FT5336_TOUCH_EVT_FLAG_SHIFT ((uint8_t)0x06) |
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#define FT5336_TOUCH_EVT_FLAG_MASK ((uint8_t)(3 << FT5336_TOUCH_EVT_FLAG_SHIFT)) |
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#define FT5336_TOUCH_POS_MSB_MASK ((uint8_t)0x0F) |
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#define FT5336_TOUCH_POS_MSB_SHIFT ((uint8_t)0x00) |
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/* Values Pn_XL and Pn_YL related */ |
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#define FT5336_TOUCH_POS_LSB_MASK ((uint8_t)0xFF) |
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#define FT5336_TOUCH_POS_LSB_SHIFT ((uint8_t)0x00) |
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#define FT5336_P1_XH_REG ((uint8_t)0x03) |
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#define FT5336_P1_XL_REG ((uint8_t)0x04) |
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#define FT5336_P1_YH_REG ((uint8_t)0x05) |
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#define FT5336_P1_YL_REG ((uint8_t)0x06) |
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/* Touch Pressure register value (R) */ |
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#define FT5336_P1_WEIGHT_REG ((uint8_t)0x07) |
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/* Values Pn_WEIGHT related */ |
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#define FT5336_TOUCH_WEIGHT_MASK ((uint8_t)0xFF) |
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#define FT5336_TOUCH_WEIGHT_SHIFT ((uint8_t)0x00) |
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/* Touch area register */ |
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#define FT5336_P1_MISC_REG ((uint8_t)0x08) |
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/* Values related to FT5336_Pn_MISC_REG */ |
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#define FT5336_TOUCH_AREA_MASK ((uint8_t)(0x04 << 4)) |
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#define FT5336_TOUCH_AREA_SHIFT ((uint8_t)0x04) |
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#define FT5336_P2_XH_REG ((uint8_t)0x09) |
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#define FT5336_P2_XL_REG ((uint8_t)0x0A) |
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#define FT5336_P2_YH_REG ((uint8_t)0x0B) |
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#define FT5336_P2_YL_REG ((uint8_t)0x0C) |
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#define FT5336_P2_WEIGHT_REG ((uint8_t)0x0D) |
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#define FT5336_P2_MISC_REG ((uint8_t)0x0E) |
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#define FT5336_P3_XH_REG ((uint8_t)0x0F) |
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#define FT5336_P3_XL_REG ((uint8_t)0x10) |
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#define FT5336_P3_YH_REG ((uint8_t)0x11) |
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#define FT5336_P3_YL_REG ((uint8_t)0x12) |
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#define FT5336_P3_WEIGHT_REG ((uint8_t)0x13) |
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#define FT5336_P3_MISC_REG ((uint8_t)0x14) |
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#define FT5336_P4_XH_REG ((uint8_t)0x15) |
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#define FT5336_P4_XL_REG ((uint8_t)0x16) |
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#define FT5336_P4_YH_REG ((uint8_t)0x17) |
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#define FT5336_P4_YL_REG ((uint8_t)0x18) |
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#define FT5336_P4_WEIGHT_REG ((uint8_t)0x19) |
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#define FT5336_P4_MISC_REG ((uint8_t)0x1A) |
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#define FT5336_P5_XH_REG ((uint8_t)0x1B) |
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#define FT5336_P5_XL_REG ((uint8_t)0x1C) |
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#define FT5336_P5_YH_REG ((uint8_t)0x1D) |
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#define FT5336_P5_YL_REG ((uint8_t)0x1E) |
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#define FT5336_P5_WEIGHT_REG ((uint8_t)0x1F) |
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#define FT5336_P5_MISC_REG ((uint8_t)0x20) |
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#define FT5336_P6_XH_REG ((uint8_t)0x21) |
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#define FT5336_P6_XL_REG ((uint8_t)0x22) |
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#define FT5336_P6_YH_REG ((uint8_t)0x23) |
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#define FT5336_P6_YL_REG ((uint8_t)0x24) |
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#define FT5336_P6_WEIGHT_REG ((uint8_t)0x25) |
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#define FT5336_P6_MISC_REG ((uint8_t)0x26) |
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#define FT5336_P7_XH_REG ((uint8_t)0x27) |
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#define FT5336_P7_XL_REG ((uint8_t)0x28) |
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#define FT5336_P7_YH_REG ((uint8_t)0x29) |
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#define FT5336_P7_YL_REG ((uint8_t)0x2A) |
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#define FT5336_P7_WEIGHT_REG ((uint8_t)0x2B) |
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#define FT5336_P7_MISC_REG ((uint8_t)0x2C) |
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#define FT5336_P8_XH_REG ((uint8_t)0x2D) |
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#define FT5336_P8_XL_REG ((uint8_t)0x2E) |
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#define FT5336_P8_YH_REG ((uint8_t)0x2F) |
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#define FT5336_P8_YL_REG ((uint8_t)0x30) |
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#define FT5336_P8_WEIGHT_REG ((uint8_t)0x31) |
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#define FT5336_P8_MISC_REG ((uint8_t)0x32) |
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#define FT5336_P9_XH_REG ((uint8_t)0x33) |
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#define FT5336_P9_XL_REG ((uint8_t)0x34) |
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#define FT5336_P9_YH_REG ((uint8_t)0x35) |
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#define FT5336_P9_YL_REG ((uint8_t)0x36) |
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#define FT5336_P9_WEIGHT_REG ((uint8_t)0x37) |
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#define FT5336_P9_MISC_REG ((uint8_t)0x38) |
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#define FT5336_P10_XH_REG ((uint8_t)0x39) |
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#define FT5336_P10_XL_REG ((uint8_t)0x3A) |
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#define FT5336_P10_YH_REG ((uint8_t)0x3B) |
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#define FT5336_P10_YL_REG ((uint8_t)0x3C) |
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#define FT5336_P10_WEIGHT_REG ((uint8_t)0x3D) |
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#define FT5336_P10_MISC_REG ((uint8_t)0x3E) |
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/* Threshold for touch detection */ |
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#define FT5336_TH_GROUP_REG ((uint8_t)0x80) |
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/* Values FT5336_TH_GROUP_REG : threshold related */ |
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#define FT5336_THRESHOLD_MASK ((uint8_t)0xFF) |
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#define FT5336_THRESHOLD_SHIFT ((uint8_t)0x00) |
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/* Filter function coefficients */ |
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#define FT5336_TH_DIFF_REG ((uint8_t)0x85) |
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/* Control register */ |
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#define FT5336_CTRL_REG ((uint8_t)0x86) |
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/* Values related to FT5336_CTRL_REG */ |
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/* Will keep the Active mode when there is no touching */ |
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#define FT5336_CTRL_KEEP_ACTIVE_MODE ((uint8_t)0x00) |
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/* Switching from Active mode to Monitor mode automatically when there is no touching */ |
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#define FT5336_CTRL_KEEP_AUTO_SWITCH_MONITOR_MODE ((uint8_t)0x01 |
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/* The time period of switching from Active mode to Monitor mode when there is no touching */ |
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#define FT5336_TIMEENTERMONITOR_REG ((uint8_t)0x87) |
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/* Report rate in Active mode */ |
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#define FT5336_PERIODACTIVE_REG ((uint8_t)0x88) |
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/* Report rate in Monitor mode */ |
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#define FT5336_PERIODMONITOR_REG ((uint8_t)0x89) |
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/* The value of the minimum allowed angle while Rotating gesture mode */ |
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#define FT5336_RADIAN_VALUE_REG ((uint8_t)0x91) |
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/* Maximum offset while Moving Left and Moving Right gesture */ |
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#define FT5336_OFFSET_LEFT_RIGHT_REG ((uint8_t)0x92) |
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/* Maximum offset while Moving Up and Moving Down gesture */ |
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#define FT5336_OFFSET_UP_DOWN_REG ((uint8_t)0x93) |
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/* Minimum distance while Moving Left and Moving Right gesture */ |
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#define FT5336_DISTANCE_LEFT_RIGHT_REG ((uint8_t)0x94) |
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/* Minimum distance while Moving Up and Moving Down gesture */ |
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#define FT5336_DISTANCE_UP_DOWN_REG ((uint8_t)0x95) |
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/* Maximum distance while Zoom In and Zoom Out gesture */ |
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#define FT5336_DISTANCE_ZOOM_REG ((uint8_t)0x96) |
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/* High 8-bit of LIB Version info */ |
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#define FT5336_LIB_VER_H_REG ((uint8_t)0xA1) |
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/* Low 8-bit of LIB Version info */ |
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#define FT5336_LIB_VER_L_REG ((uint8_t)0xA2) |
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/* Chip Selecting */ |
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#define FT5336_CIPHER_REG ((uint8_t)0xA3) |
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/* Interrupt mode register (used when in interrupt mode) */ |
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#define FT5336_GMODE_REG ((uint8_t)0xA4) |
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#define FT5336_G_MODE_INTERRUPT_MASK ((uint8_t)0x03) |
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#define FT5336_G_MODE_INTERRUPT_SHIFT ((uint8_t)0x00) |
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/* Possible values of FT5336_GMODE_REG */ |
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#define FT5336_G_MODE_INTERRUPT_POLLING ((uint8_t)0x00) |
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#define FT5336_G_MODE_INTERRUPT_TRIGGER ((uint8_t)0x01) |
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/* Current power mode the FT5336 system is in (R) */ |
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#define FT5336_PWR_MODE_REG ((uint8_t)0xA5) |
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/* FT5336 firmware version */ |
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#define FT5336_FIRMID_REG ((uint8_t)0xA6) |
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/* FT5336 Chip identification register */ |
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#define FT5336_CHIP_ID_REG ((uint8_t)0xA8) |
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/* Possible values of FT5336_CHIP_ID_REG */ |
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#define FT5336_ID_VALUE ((uint8_t)0x51) |
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/* Release code version */ |
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#define FT5336_RELEASE_CODE_ID_REG ((uint8_t)0xAF) |
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/* Current operating mode the FT5336 system is in (R) */ |
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#define FT5336_STATE_REG ((uint8_t)0xBC) |
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/** |
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* @} |
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*/ |
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/* Exported macro ------------------------------------------------------------*/ |
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/** @defgroup ft5336_Exported_Macros |
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* @{ |
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*/ |
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/* Exported functions --------------------------------------------------------*/ |
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/** @defgroup ft5336_Exported_Functions |
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* @{ |
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*/ |
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/** |
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* @brief ft5336 Control functions |
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*/ |
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/** |
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* @brief Initialize the ft5336 communication bus |
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* from MCU to FT5336 : ie I2C channel initialization (if required). |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @retval None |
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*/ |
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void ft5336_Init(uint16_t DeviceAddr); |
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/** |
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* @brief Software Reset the ft5336. |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @retval None |
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*/ |
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void ft5336_Reset(uint16_t DeviceAddr); |
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/** |
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* @brief Read the ft5336 device ID, pre initialize I2C in case of need to be |
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* able to read the FT5336 device ID, and verify this is a FT5336. |
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* @param DeviceAddr: I2C FT5336 Slave address. |
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* @retval The Device ID (two bytes). |
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*/ |
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uint16_t ft5336_ReadID(uint16_t DeviceAddr); |
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/** |
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* @brief Configures the touch Screen IC device to start detecting touches |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address). |
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* @retval None. |
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*/ |
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void ft5336_TS_Start(uint16_t DeviceAddr); |
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/** |
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* @brief Return if there is touches detected or not. |
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* Try to detect new touches and forget the old ones (reset internal global |
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* variables). |
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* @param DeviceAddr: Device address on communication Bus. |
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* @retval : Number of active touches detected (can be 0, 1 or 2). |
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*/ |
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uint8_t ft5336_TS_DetectTouch(uint16_t DeviceAddr); |
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/** |
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* @brief Get the touch screen X and Y positions values |
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* Manage multi touch thanks to touch Index global |
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* variable 'ft5336_handle.currActiveTouchIdx'. |
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* @param DeviceAddr: Device address on communication Bus. |
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* @param X: Pointer to X position value |
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* @param Y: Pointer to Y position value |
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* @retval None. |
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*/ |
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void ft5336_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y); |
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/** |
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* @brief Configure the FT5336 device to generate IT on given INT pin |
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* connected to MCU as EXTI. |
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* @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336). |
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* @retval None |
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*/ |
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void ft5336_TS_EnableIT(uint16_t DeviceAddr); |
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/** |
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* @brief Configure the FT5336 device to stop generating IT on the given INT pin |
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* connected to MCU as EXTI. |
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* @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336). |
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* @retval None |
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*/ |
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void ft5336_TS_DisableIT(uint16_t DeviceAddr); |
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/** |
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* @brief Get IT status from FT5336 interrupt status registers |
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* Should be called Following an EXTI coming to the MCU to know the detailed |
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* reason of the interrupt. |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @retval TS interrupts status |
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*/ |
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uint8_t ft5336_TS_ITStatus (uint16_t DeviceAddr); |
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/** |
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* @brief Clear IT status in FT5336 interrupt status clear registers |
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* Should be called Following an EXTI coming to the MCU. |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @retval TS interrupts status |
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*/ |
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void ft5336_TS_ClearIT (uint16_t DeviceAddr); |
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/**** NEW FEATURES enabled when Multi-touch support is enabled ****/ |
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#if (TS_MULTI_TOUCH_SUPPORTED == 1) |
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/** |
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* @brief Get the last touch gesture identification (zoom, move up/down...). |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @param pGestureId : Pointer to get last touch gesture Identification. |
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* @retval None. |
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*/ |
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void ft5336_TS_GetGestureID(uint16_t DeviceAddr, uint32_t * pGestureId); |
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/** |
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* @brief Get the touch detailed informations on touch number 'touchIdx' (0..1) |
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* This touch detailed information contains : |
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* - weight that was applied to this touch |
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* - sub-area of the touch in the touch panel |
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* - event of linked to the touch (press down, lift up, ...) |
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* @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
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* @param touchIdx : Passed index of the touch (0..1) on which we want to get the |
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* detailed information. |
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* @param pWeight : Pointer to to get the weight information of 'touchIdx'. |
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* @param pArea : Pointer to to get the sub-area information of 'touchIdx'. |
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* @param pEvent : Pointer to to get the event information of 'touchIdx'. |
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* @retval None. |
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*/ |
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void ft5336_TS_GetTouchInfo(uint16_t DeviceAddr, |
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uint32_t touchIdx, |
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uint32_t * pWeight, |
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uint32_t * pArea, |
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uint32_t * pEvent); |
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#endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */ |
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/* Imported TS IO functions --------------------------------------------------------*/ |
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/** @defgroup ft5336_Imported_Functions |
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* @{ |
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*/ |
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/* TouchScreen (TS) external IO functions */ |
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extern void TS_IO_Init(void); |
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extern void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value); |
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extern uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg); |
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extern void TS_IO_Delay(uint32_t Delay); |
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/** |
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* @} |
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*/ |
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/* Imported global variables --------------------------------------------------------*/ |
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/** @defgroup ft5336_Imported_Globals |
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* @{ |
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*/ |
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/* Touch screen driver structure */ |
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extern TS_DrvTypeDef ft5336_ts_drv; |
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/** |
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* @} |
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*/ |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* __FT5336_H */ |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/** |
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* @} |
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*/ |
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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