ft5336.h

00001 /**
00002   ******************************************************************************
00003   * @file    ft5336.h
00004   * @author  MCD Application Team
00005   * @brief   This file contains all the functions prototypes for the
00006   *          ft5336.c Touch screen driver.
00007   ******************************************************************************
00008   * @attention
00009   *
00010   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
00011   *
00012   * Redistribution and use in source and binary forms, with or without modification,
00013   * are permitted provided that the following conditions are met:
00014   *   1. Redistributions of source code must retain the above copyright notice,
00015   *      this list of conditions and the following disclaimer.
00016   *   2. Redistributions in binary form must reproduce the above copyright notice,
00017   *      this list of conditions and the following disclaimer in the documentation
00018   *      and/or other materials provided with the distribution.
00019   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00020   *      may be used to endorse or promote products derived from this software
00021   *      without specific prior written permission.
00022   *
00023   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00026   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00027   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00028   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00029   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00032   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033   *
00034   ******************************************************************************
00035   */
00036 
00037 /* Define to prevent recursive inclusion -------------------------------------*/
00038 #ifndef __FT5336_H
00039 #define __FT5336_H
00040 
00041 #ifdef __cplusplus
00042 extern "C" {
00043 #endif
00044 
00045 /* Set Multi-touch as supported */
00046 #if !defined(TS_MONO_TOUCH_SUPPORTED)
00047 #define TS_MULTI_TOUCH_SUPPORTED        1
00048 #endif /* TS_MONO_TOUCH_SUPPORTED */
00049 
00050 /* Includes ------------------------------------------------------------------*/
00051 #include "../Common/ts.h"
00052 
00053 /* Macros --------------------------------------------------------------------*/
00054 
00055 #if defined(FT5336_ENABLE_ASSERT)
00056 /* Assert activated */
00057 #define FT5336_ASSERT(__condition__)      do { if(__condition__) \
00058                                                {  \
00059                                                  while(1);  \
00060                                                } \
00061                                           }while(0)
00062 #else
00063 /* Assert not activated : macro has no effect */
00064 #define FT5336_ASSERT(__condition__)    do { if(__condition__) \
00065                                              {  \
00066                                                 ;  \
00067                                              } \
00068                                             }while(0)
00069 #endif /* FT5336_ENABLE_ASSERT == 1 */
00070 
00071 /** @typedef ft5336_handle_TypeDef
00072  *  ft5336 Handle definition.
00073  */
00074 typedef struct
00075 {
00076   uint8_t i2cInitialized;
00077 
00078   /* field holding the current number of simultaneous active touches */
00079   uint8_t currActiveTouchNb;
00080 
00081   /* field holding the touch index currently managed */
00082   uint8_t currActiveTouchIdx;
00083 
00084 } ft5336_handle_TypeDef;
00085 
00086   /** @addtogroup BSP
00087    * @{
00088    */
00089 
00090   /** @addtogroup Component
00091    * @{
00092    */
00093 
00094   /** @defgroup FT5336
00095    * @{
00096    */
00097 
00098   /* Exported types ------------------------------------------------------------*/
00099 
00100   /** @defgroup FT5336_Exported_Types
00101    * @{
00102    */
00103 
00104   /* Exported constants --------------------------------------------------------*/
00105 
00106   /** @defgroup FT5336_Exported_Constants
00107    * @{
00108    */
00109 
00110   /* I2C Slave address of touchscreen FocalTech FT5336 */
00111 #define FT5336_I2C_SLAVE_ADDRESS            ((uint8_t)0x70)
00112 
00113   /* Maximum border values of the touchscreen pad */
00114 #define FT5336_MAX_WIDTH                    ((uint16_t)480)     /* Touchscreen pad max width   */
00115 #define FT5336_MAX_HEIGHT                   ((uint16_t)272)     /* Touchscreen pad max height  */
00116 
00117   /* Possible values of driver functions return status */
00118 #define FT5336_STATUS_OK                    ((uint8_t)0x00)
00119 #define FT5336_STATUS_NOT_OK                ((uint8_t)0x01)
00120 
00121   /* Possible values of global variable 'TS_I2C_Initialized' */
00122 #define FT5336_I2C_NOT_INITIALIZED          ((uint8_t)0x00)
00123 #define FT5336_I2C_INITIALIZED              ((uint8_t)0x01)
00124 
00125   /* Max detectable simultaneous touches */
00126 #define FT5336_MAX_DETECTABLE_TOUCH         ((uint8_t)0x05)
00127 
00128   /**
00129    * @brief : Definitions for FT5336 I2C register addresses on 8 bit
00130    **/
00131 
00132   /* Current mode register of the FT5336 (R/W) */
00133 #define FT5336_DEV_MODE_REG                 ((uint8_t)0x00)
00134 
00135   /* Possible values of FT5336_DEV_MODE_REG */
00136 #define FT5336_DEV_MODE_WORKING             ((uint8_t)0x00)
00137 #define FT5336_DEV_MODE_FACTORY             ((uint8_t)0x04)
00138 
00139 #define FT5336_DEV_MODE_MASK                ((uint8_t)0x07)
00140 #define FT5336_DEV_MODE_SHIFT               ((uint8_t)0x04)
00141 
00142   /* Gesture ID register */
00143 #define FT5336_GEST_ID_REG                  ((uint8_t)0x01)
00144 
00145   /* Possible values of FT5336_GEST_ID_REG */
00146 #define FT5336_GEST_ID_NO_GESTURE           ((uint8_t)0x00)
00147 #define FT5336_GEST_ID_MOVE_UP              ((uint8_t)0x10)
00148 #define FT5336_GEST_ID_MOVE_RIGHT           ((uint8_t)0x14)
00149 #define FT5336_GEST_ID_MOVE_DOWN            ((uint8_t)0x18)
00150 #define FT5336_GEST_ID_MOVE_LEFT            ((uint8_t)0x1C)
00151 #define FT5336_GEST_ID_SINGLE_CLICK         ((uint8_t)0x20)
00152 #define FT5336_GEST_ID_DOUBLE_CLICK         ((uint8_t)0x22)
00153 #define FT5336_GEST_ID_ROTATE_CLOCKWISE     ((uint8_t)0x28)
00154 #define FT5336_GEST_ID_ROTATE_C_CLOCKWISE   ((uint8_t)0x29)
00155 #define FT5336_GEST_ID_ZOOM_IN              ((uint8_t)0x40)
00156 #define FT5336_GEST_ID_ZOOM_OUT             ((uint8_t)0x49)
00157 
00158   /* Touch Data Status register : gives number of active touch points (0..5) */
00159 #define FT5336_TD_STAT_REG                  ((uint8_t)0x02)
00160 
00161   /* Values related to FT5336_TD_STAT_REG */
00162 #define FT5336_TD_STAT_MASK                 ((uint8_t)0x0F)
00163 #define FT5336_TD_STAT_SHIFT                ((uint8_t)0x00)
00164 
00165   /* Values Pn_XH and Pn_YH related */
00166 #define FT5336_TOUCH_EVT_FLAG_PRESS_DOWN    ((uint8_t)0x00)
00167 #define FT5336_TOUCH_EVT_FLAG_LIFT_UP       ((uint8_t)0x01)
00168 #define FT5336_TOUCH_EVT_FLAG_CONTACT       ((uint8_t)0x02)
00169 #define FT5336_TOUCH_EVT_FLAG_NO_EVENT      ((uint8_t)0x03)
00170 
00171 #define FT5336_TOUCH_EVT_FLAG_SHIFT         ((uint8_t)0x06)
00172 #define FT5336_TOUCH_EVT_FLAG_MASK          ((uint8_t)(3 << FT5336_TOUCH_EVT_FLAG_SHIFT))
00173 
00174 #define FT5336_TOUCH_POS_MSB_MASK           ((uint8_t)0x0F)
00175 #define FT5336_TOUCH_POS_MSB_SHIFT          ((uint8_t)0x00)
00176 
00177   /* Values Pn_XL and Pn_YL related */
00178 #define FT5336_TOUCH_POS_LSB_MASK           ((uint8_t)0xFF)
00179 #define FT5336_TOUCH_POS_LSB_SHIFT          ((uint8_t)0x00)
00180 
00181 #define FT5336_P1_XH_REG                    ((uint8_t)0x03)
00182 #define FT5336_P1_XL_REG                    ((uint8_t)0x04)
00183 #define FT5336_P1_YH_REG                    ((uint8_t)0x05)
00184 #define FT5336_P1_YL_REG                    ((uint8_t)0x06)
00185 
00186 /* Touch Pressure register value (R) */
00187 #define FT5336_P1_WEIGHT_REG                ((uint8_t)0x07)
00188 
00189 /* Values Pn_WEIGHT related  */
00190 #define FT5336_TOUCH_WEIGHT_MASK            ((uint8_t)0xFF)
00191 #define FT5336_TOUCH_WEIGHT_SHIFT           ((uint8_t)0x00)
00192 
00193 /* Touch area register */
00194 #define FT5336_P1_MISC_REG                  ((uint8_t)0x08)
00195 
00196 /* Values related to FT5336_Pn_MISC_REG */
00197 #define FT5336_TOUCH_AREA_MASK              ((uint8_t)(0x04 << 4))
00198 #define FT5336_TOUCH_AREA_SHIFT             ((uint8_t)0x04)
00199 
00200 #define FT5336_P2_XH_REG                    ((uint8_t)0x09)
00201 #define FT5336_P2_XL_REG                    ((uint8_t)0x0A)
00202 #define FT5336_P2_YH_REG                    ((uint8_t)0x0B)
00203 #define FT5336_P2_YL_REG                    ((uint8_t)0x0C)
00204 #define FT5336_P2_WEIGHT_REG                ((uint8_t)0x0D)
00205 #define FT5336_P2_MISC_REG                  ((uint8_t)0x0E)
00206 
00207 #define FT5336_P3_XH_REG                    ((uint8_t)0x0F)
00208 #define FT5336_P3_XL_REG                    ((uint8_t)0x10)
00209 #define FT5336_P3_YH_REG                    ((uint8_t)0x11)
00210 #define FT5336_P3_YL_REG                    ((uint8_t)0x12)
00211 #define FT5336_P3_WEIGHT_REG                ((uint8_t)0x13)
00212 #define FT5336_P3_MISC_REG                  ((uint8_t)0x14)
00213 
00214 #define FT5336_P4_XH_REG                    ((uint8_t)0x15)
00215 #define FT5336_P4_XL_REG                    ((uint8_t)0x16)
00216 #define FT5336_P4_YH_REG                    ((uint8_t)0x17)
00217 #define FT5336_P4_YL_REG                    ((uint8_t)0x18)
00218 #define FT5336_P4_WEIGHT_REG                ((uint8_t)0x19)
00219 #define FT5336_P4_MISC_REG                  ((uint8_t)0x1A)
00220 
00221 #define FT5336_P5_XH_REG                    ((uint8_t)0x1B)
00222 #define FT5336_P5_XL_REG                    ((uint8_t)0x1C)
00223 #define FT5336_P5_YH_REG                    ((uint8_t)0x1D)
00224 #define FT5336_P5_YL_REG                    ((uint8_t)0x1E)
00225 #define FT5336_P5_WEIGHT_REG                ((uint8_t)0x1F)
00226 #define FT5336_P5_MISC_REG                  ((uint8_t)0x20)
00227 
00228 #define FT5336_P6_XH_REG                    ((uint8_t)0x21)
00229 #define FT5336_P6_XL_REG                    ((uint8_t)0x22)
00230 #define FT5336_P6_YH_REG                    ((uint8_t)0x23)
00231 #define FT5336_P6_YL_REG                    ((uint8_t)0x24)
00232 #define FT5336_P6_WEIGHT_REG                ((uint8_t)0x25)
00233 #define FT5336_P6_MISC_REG                  ((uint8_t)0x26)
00234 
00235 #define FT5336_P7_XH_REG                    ((uint8_t)0x27)
00236 #define FT5336_P7_XL_REG                    ((uint8_t)0x28)
00237 #define FT5336_P7_YH_REG                    ((uint8_t)0x29)
00238 #define FT5336_P7_YL_REG                    ((uint8_t)0x2A)
00239 #define FT5336_P7_WEIGHT_REG                ((uint8_t)0x2B)
00240 #define FT5336_P7_MISC_REG                  ((uint8_t)0x2C)
00241 
00242 #define FT5336_P8_XH_REG                    ((uint8_t)0x2D)
00243 #define FT5336_P8_XL_REG                    ((uint8_t)0x2E)
00244 #define FT5336_P8_YH_REG                    ((uint8_t)0x2F)
00245 #define FT5336_P8_YL_REG                    ((uint8_t)0x30)
00246 #define FT5336_P8_WEIGHT_REG                ((uint8_t)0x31)
00247 #define FT5336_P8_MISC_REG                  ((uint8_t)0x32)
00248 
00249 #define FT5336_P9_XH_REG                    ((uint8_t)0x33)
00250 #define FT5336_P9_XL_REG                    ((uint8_t)0x34)
00251 #define FT5336_P9_YH_REG                    ((uint8_t)0x35)
00252 #define FT5336_P9_YL_REG                    ((uint8_t)0x36)
00253 #define FT5336_P9_WEIGHT_REG                ((uint8_t)0x37)
00254 #define FT5336_P9_MISC_REG                  ((uint8_t)0x38)
00255 
00256 #define FT5336_P10_XH_REG                   ((uint8_t)0x39)
00257 #define FT5336_P10_XL_REG                   ((uint8_t)0x3A)
00258 #define FT5336_P10_YH_REG                   ((uint8_t)0x3B)
00259 #define FT5336_P10_YL_REG                   ((uint8_t)0x3C)
00260 #define FT5336_P10_WEIGHT_REG               ((uint8_t)0x3D)
00261 #define FT5336_P10_MISC_REG                 ((uint8_t)0x3E)
00262 
00263   /* Threshold for touch detection */
00264 #define FT5336_TH_GROUP_REG                 ((uint8_t)0x80)
00265 
00266   /* Values FT5336_TH_GROUP_REG : threshold related  */
00267 #define FT5336_THRESHOLD_MASK               ((uint8_t)0xFF)
00268 #define FT5336_THRESHOLD_SHIFT              ((uint8_t)0x00)
00269 
00270   /* Filter function coefficients */
00271 #define FT5336_TH_DIFF_REG                  ((uint8_t)0x85)
00272 
00273   /* Control register */
00274 #define FT5336_CTRL_REG                     ((uint8_t)0x86)
00275 
00276   /* Values related to FT5336_CTRL_REG */
00277 
00278   /* Will keep the Active mode when there is no touching */
00279 #define FT5336_CTRL_KEEP_ACTIVE_MODE        ((uint8_t)0x00)
00280 
00281   /* Switching from Active mode to Monitor mode automatically when there is no touching */
00282 #define FT5336_CTRL_KEEP_AUTO_SWITCH_MONITOR_MODE  ((uint8_t)0x01
00283 
00284   /* The time period of switching from Active mode to Monitor mode when there is no touching */
00285 #define FT5336_TIMEENTERMONITOR_REG         ((uint8_t)0x87)
00286 
00287   /* Report rate in Active mode */
00288 #define FT5336_PERIODACTIVE_REG             ((uint8_t)0x88)
00289 
00290   /* Report rate in Monitor mode */
00291 #define FT5336_PERIODMONITOR_REG            ((uint8_t)0x89)
00292 
00293   /* The value of the minimum allowed angle while Rotating gesture mode */
00294 #define FT5336_RADIAN_VALUE_REG             ((uint8_t)0x91)
00295 
00296   /* Maximum offset while Moving Left and Moving Right gesture */
00297 #define FT5336_OFFSET_LEFT_RIGHT_REG        ((uint8_t)0x92)
00298 
00299   /* Maximum offset while Moving Up and Moving Down gesture */
00300 #define FT5336_OFFSET_UP_DOWN_REG           ((uint8_t)0x93)
00301 
00302   /* Minimum distance while Moving Left and Moving Right gesture */
00303 #define FT5336_DISTANCE_LEFT_RIGHT_REG      ((uint8_t)0x94)
00304 
00305   /* Minimum distance while Moving Up and Moving Down gesture */
00306 #define FT5336_DISTANCE_UP_DOWN_REG         ((uint8_t)0x95)
00307 
00308   /* Maximum distance while Zoom In and Zoom Out gesture */
00309 #define FT5336_DISTANCE_ZOOM_REG            ((uint8_t)0x96)
00310 
00311   /* High 8-bit of LIB Version info */
00312 #define FT5336_LIB_VER_H_REG                ((uint8_t)0xA1)
00313 
00314   /* Low 8-bit of LIB Version info */
00315 #define FT5336_LIB_VER_L_REG                ((uint8_t)0xA2)
00316 
00317   /* Chip Selecting */
00318 #define FT5336_CIPHER_REG                   ((uint8_t)0xA3)
00319 
00320   /* Interrupt mode register (used when in interrupt mode) */
00321 #define FT5336_GMODE_REG                    ((uint8_t)0xA4)
00322 
00323 #define FT5336_G_MODE_INTERRUPT_MASK        ((uint8_t)0x03)
00324 #define FT5336_G_MODE_INTERRUPT_SHIFT       ((uint8_t)0x00)
00325 
00326   /* Possible values of FT5336_GMODE_REG */
00327 #define FT5336_G_MODE_INTERRUPT_POLLING     ((uint8_t)0x00)
00328 #define FT5336_G_MODE_INTERRUPT_TRIGGER     ((uint8_t)0x01)
00329 
00330   /* Current power mode the FT5336 system is in (R) */
00331 #define FT5336_PWR_MODE_REG                 ((uint8_t)0xA5)
00332 
00333   /* FT5336 firmware version */
00334 #define FT5336_FIRMID_REG                   ((uint8_t)0xA6)
00335 
00336   /* FT5336 Chip identification register */
00337 #define FT5336_CHIP_ID_REG                  ((uint8_t)0xA8)
00338 
00339   /*  Possible values of FT5336_CHIP_ID_REG */
00340 #define FT5336_ID_VALUE                     ((uint8_t)0x51)
00341 
00342   /* Release code version */
00343 #define FT5336_RELEASE_CODE_ID_REG          ((uint8_t)0xAF)
00344 
00345   /* Current operating mode the FT5336 system is in (R) */
00346 #define FT5336_STATE_REG                    ((uint8_t)0xBC)
00347 
00348   /**
00349    * @}
00350    */
00351 
00352   /* Exported macro ------------------------------------------------------------*/
00353 
00354   /** @defgroup ft5336_Exported_Macros
00355    * @{
00356    */
00357 
00358   /* Exported functions --------------------------------------------------------*/
00359 
00360   /** @defgroup ft5336_Exported_Functions
00361    * @{
00362    */
00363 
00364   /**
00365    * @brief ft5336 Control functions
00366    */
00367 
00368 
00369 /**
00370  * @brief  Initialize the ft5336 communication bus
00371  *         from MCU to FT5336 : ie I2C channel initialization (if required).
00372  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00373  * @retval None
00374  */
00375 void ft5336_Init(uint16_t DeviceAddr);
00376 
00377 /**
00378  * @brief  Software Reset the ft5336.
00379  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00380  * @retval None
00381  */
00382 void ft5336_Reset(uint16_t DeviceAddr);
00383 
00384 /**
00385  * @brief  Read the ft5336 device ID, pre initialize I2C in case of need to be
00386  *         able to read the FT5336 device ID, and verify this is a FT5336.
00387  * @param  DeviceAddr: I2C FT5336 Slave address.
00388  * @retval The Device ID (two bytes).
00389  */
00390 uint16_t ft5336_ReadID(uint16_t DeviceAddr);
00391 
00392 /**
00393  * @brief  Configures the touch Screen IC device to start detecting touches
00394  * @param  DeviceAddr: Device address on communication Bus (I2C slave address).
00395  * @retval None.
00396  */
00397 void ft5336_TS_Start(uint16_t DeviceAddr);
00398 
00399 /**
00400  * @brief  Return if there is touches detected or not.
00401  *         Try to detect new touches and forget the old ones (reset internal global
00402  *         variables).
00403  * @param  DeviceAddr: Device address on communication Bus.
00404  * @retval : Number of active touches detected (can be 0, 1 or 2).
00405  */
00406 uint8_t ft5336_TS_DetectTouch(uint16_t DeviceAddr);
00407 
00408 /**
00409  * @brief  Get the touch screen X and Y positions values
00410  *         Manage multi touch thanks to touch Index global
00411  *         variable 'ft5336_handle.currActiveTouchIdx'.
00412  * @param  DeviceAddr: Device address on communication Bus.
00413  * @param  X: Pointer to X position value
00414  * @param  Y: Pointer to Y position value
00415  * @retval None.
00416  */
00417 void ft5336_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y);
00418 
00419 /**
00420  * @brief  Configure the FT5336 device to generate IT on given INT pin
00421  *         connected to MCU as EXTI.
00422  * @param  DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336).
00423  * @retval None
00424  */
00425 void ft5336_TS_EnableIT(uint16_t DeviceAddr);
00426 
00427 /**
00428  * @brief  Configure the FT5336 device to stop generating IT on the given INT pin
00429  *         connected to MCU as EXTI.
00430  * @param  DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336).
00431  * @retval None
00432  */
00433 void ft5336_TS_DisableIT(uint16_t DeviceAddr);
00434 
00435 /**
00436  * @brief  Get IT status from FT5336 interrupt status registers
00437  *         Should be called Following an EXTI coming to the MCU to know the detailed
00438  *         reason of the interrupt.
00439  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00440  * @retval TS interrupts status
00441  */
00442 uint8_t ft5336_TS_ITStatus (uint16_t DeviceAddr);
00443 
00444 /**
00445  * @brief  Clear IT status in FT5336 interrupt status clear registers
00446  *         Should be called Following an EXTI coming to the MCU.
00447  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00448  * @retval TS interrupts status
00449  */
00450 void ft5336_TS_ClearIT (uint16_t DeviceAddr);
00451 
00452 /**** NEW FEATURES enabled when Multi-touch support is enabled ****/
00453 
00454 #if (TS_MULTI_TOUCH_SUPPORTED == 1)
00455 
00456 /**
00457  * @brief  Get the last touch gesture identification (zoom, move up/down...).
00458  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00459  * @param  pGestureId : Pointer to get last touch gesture Identification.
00460  * @retval None.
00461  */
00462 void ft5336_TS_GetGestureID(uint16_t DeviceAddr, uint32_t * pGestureId);
00463 
00464 /**
00465  * @brief  Get the touch detailed informations on touch number 'touchIdx' (0..1)
00466  *         This touch detailed information contains :
00467  *         - weight that was applied to this touch
00468  *         - sub-area of the touch in the touch panel
00469  *         - event of linked to the touch (press down, lift up, ...)
00470  * @param  DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
00471  * @param  touchIdx : Passed index of the touch (0..1) on which we want to get the
00472  *                    detailed information.
00473  * @param  pWeight : Pointer to to get the weight information of 'touchIdx'.
00474  * @param  pArea   : Pointer to to get the sub-area information of 'touchIdx'.
00475  * @param  pEvent  : Pointer to to get the event information of 'touchIdx'.
00476 
00477  * @retval None.
00478  */
00479 void ft5336_TS_GetTouchInfo(uint16_t   DeviceAddr,
00480                             uint32_t   touchIdx,
00481                             uint32_t * pWeight,
00482                             uint32_t * pArea,
00483                             uint32_t * pEvent);
00484 
00485 #endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */
00486 
00487 /* Imported TS IO functions --------------------------------------------------------*/
00488 
00489 /** @defgroup ft5336_Imported_Functions
00490  * @{
00491  */
00492 
00493 /* TouchScreen (TS) external IO functions */
00494 extern void     TS_IO_Init(void);
00495 extern void    TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
00496 extern uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg);
00497 extern void    TS_IO_Delay(uint32_t Delay);
00498 
00499   /**
00500    * @}
00501    */
00502 
00503   /* Imported global variables --------------------------------------------------------*/
00504 
00505   /** @defgroup ft5336_Imported_Globals
00506    * @{
00507    */
00508 
00509 
00510 /* Touch screen driver structure */
00511 extern TS_DrvTypeDef ft5336_ts_drv;
00512 
00513   /**
00514    * @}
00515    */
00516 
00517 #ifdef __cplusplus
00518 }
00519 #endif
00520 #endif /* __FT5336_H */
00521 
00522 
00523 /**
00524  * @}
00525  */
00526 
00527 /**
00528  * @}
00529  */
00530 
00531 /**
00532  * @}
00533  */
00534 
00535 /**
00536  * @}
00537  */
00538 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/