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STM32746G-Discovery board drivers V1.0.0
Dependents: F746_SD_GraphicEqualizer_ren0620
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BSP_DISCO_F746NG
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Diff: ft5336.h
- Revision:
- 0:c9112f0c67e3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/ft5336.h Mon Sep 28 13:34:16 2015 +0000
@@ -0,0 +1,540 @@
+/**
+ ******************************************************************************
+ * @file ft5336.h
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 25-June-2015
+ * @brief This file contains all the functions prototypes for the
+ * ft5336.c Touch screen driver.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __FT5336_H
+#define __FT5336_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Set Multi-touch as supported */
+#if !defined(TS_MONO_TOUCH_SUPPORTED)
+#define TS_MULTI_TOUCH_SUPPORTED 1
+#endif /* TS_MONO_TOUCH_SUPPORTED */
+
+/* Includes ------------------------------------------------------------------*/
+#include "ts.h"
+
+/* Macros --------------------------------------------------------------------*/
+
+#if defined(FT5336_ENABLE_ASSERT)
+/* Assert activated */
+#define FT5336_ASSERT(__condition__) do { if(__condition__) \
+ { \
+ while(1); \
+ } \
+ }while(0)
+#else
+/* Assert not activated : macro has no effect */
+#define FT5336_ASSERT(__condition__) do { if(__condition__) \
+ { \
+ ; \
+ } \
+ }while(0)
+#endif /* FT5336_ENABLE_ASSERT == 1 */
+
+/** @typedef ft5336_handle_TypeDef
+ * ft5336 Handle definition.
+ */
+typedef struct
+{
+ uint8_t i2cInitialized;
+
+ /* field holding the current number of simultaneous active touches */
+ uint8_t currActiveTouchNb;
+
+ /* field holding the touch index currently managed */
+ uint8_t currActiveTouchIdx;
+
+} ft5336_handle_TypeDef;
+
+ /** @addtogroup BSP
+ * @{
+ */
+
+ /** @addtogroup Component
+ * @{
+ */
+
+ /** @defgroup FT5336
+ * @{
+ */
+
+ /* Exported types ------------------------------------------------------------*/
+
+ /** @defgroup FT5336_Exported_Types
+ * @{
+ */
+
+ /* Exported constants --------------------------------------------------------*/
+
+ /** @defgroup FT5336_Exported_Constants
+ * @{
+ */
+
+ /* I2C Slave address of touchscreen FocalTech FT5336 */
+#define FT5336_I2C_SLAVE_ADDRESS ((uint8_t)0x70)
+
+ /* Maximum border values of the touchscreen pad */
+#define FT5336_MAX_WIDTH ((uint16_t)480) /* Touchscreen pad max width */
+#define FT5336_MAX_HEIGHT ((uint16_t)272) /* Touchscreen pad max height */
+
+ /* Possible values of driver functions return status */
+#define FT5336_STATUS_OK ((uint8_t)0x00)
+#define FT5336_STATUS_NOT_OK ((uint8_t)0x01)
+
+ /* Possible values of global variable 'TS_I2C_Initialized' */
+#define FT5336_I2C_NOT_INITIALIZED ((uint8_t)0x00)
+#define FT5336_I2C_INITIALIZED ((uint8_t)0x01)
+
+ /* Max detectable simultaneous touches */
+#define FT5336_MAX_DETECTABLE_TOUCH ((uint8_t)0x05)
+
+ /**
+ * @brief : Definitions for FT5336 I2C register addresses on 8 bit
+ **/
+
+ /* Current mode register of the FT5336 (R/W) */
+#define FT5336_DEV_MODE_REG ((uint8_t)0x00)
+
+ /* Possible values of FT5336_DEV_MODE_REG */
+#define FT5336_DEV_MODE_WORKING ((uint8_t)0x00)
+#define FT5336_DEV_MODE_FACTORY ((uint8_t)0x04)
+
+#define FT5336_DEV_MODE_MASK ((uint8_t)0x07)
+#define FT5336_DEV_MODE_SHIFT ((uint8_t)0x04)
+
+ /* Gesture ID register */
+#define FT5336_GEST_ID_REG ((uint8_t)0x01)
+
+ /* Possible values of FT5336_GEST_ID_REG */
+#define FT5336_GEST_ID_NO_GESTURE ((uint8_t)0x00)
+#define FT5336_GEST_ID_MOVE_UP ((uint8_t)0x10)
+#define FT5336_GEST_ID_MOVE_RIGHT ((uint8_t)0x14)
+#define FT5336_GEST_ID_MOVE_DOWN ((uint8_t)0x18)
+#define FT5336_GEST_ID_MOVE_LEFT ((uint8_t)0x1C)
+#define FT5336_GEST_ID_SINGLE_CLICK ((uint8_t)0x20)
+#define FT5336_GEST_ID_DOUBLE_CLICK ((uint8_t)0x22)
+#define FT5336_GEST_ID_ROTATE_CLOCKWISE ((uint8_t)0x28)
+#define FT5336_GEST_ID_ROTATE_C_CLOCKWISE ((uint8_t)0x29)
+#define FT5336_GEST_ID_ZOOM_IN ((uint8_t)0x40)
+#define FT5336_GEST_ID_ZOOM_OUT ((uint8_t)0x49)
+
+ /* Touch Data Status register : gives number of active touch points (0..5) */
+#define FT5336_TD_STAT_REG ((uint8_t)0x02)
+
+ /* Values related to FT5336_TD_STAT_REG */
+#define FT5336_TD_STAT_MASK ((uint8_t)0x0F)
+#define FT5336_TD_STAT_SHIFT ((uint8_t)0x00)
+
+ /* Values Pn_XH and Pn_YH related */
+#define FT5336_TOUCH_EVT_FLAG_PRESS_DOWN ((uint8_t)0x00)
+#define FT5336_TOUCH_EVT_FLAG_LIFT_UP ((uint8_t)0x01)
+#define FT5336_TOUCH_EVT_FLAG_CONTACT ((uint8_t)0x02)
+#define FT5336_TOUCH_EVT_FLAG_NO_EVENT ((uint8_t)0x03)
+
+#define FT5336_TOUCH_EVT_FLAG_SHIFT ((uint8_t)0x06)
+#define FT5336_TOUCH_EVT_FLAG_MASK ((uint8_t)(3 << FT5336_TOUCH_EVT_FLAG_SHIFT))
+
+#define FT5336_TOUCH_POS_MSB_MASK ((uint8_t)0x0F)
+#define FT5336_TOUCH_POS_MSB_SHIFT ((uint8_t)0x00)
+
+ /* Values Pn_XL and Pn_YL related */
+#define FT5336_TOUCH_POS_LSB_MASK ((uint8_t)0xFF)
+#define FT5336_TOUCH_POS_LSB_SHIFT ((uint8_t)0x00)
+
+#define FT5336_P1_XH_REG ((uint8_t)0x03)
+#define FT5336_P1_XL_REG ((uint8_t)0x04)
+#define FT5336_P1_YH_REG ((uint8_t)0x05)
+#define FT5336_P1_YL_REG ((uint8_t)0x06)
+
+/* Touch Pressure register value (R) */
+#define FT5336_P1_WEIGHT_REG ((uint8_t)0x07)
+
+/* Values Pn_WEIGHT related */
+#define FT5336_TOUCH_WEIGHT_MASK ((uint8_t)0xFF)
+#define FT5336_TOUCH_WEIGHT_SHIFT ((uint8_t)0x00)
+
+/* Touch area register */
+#define FT5336_P1_MISC_REG ((uint8_t)0x08)
+
+/* Values related to FT5336_Pn_MISC_REG */
+#define FT5336_TOUCH_AREA_MASK ((uint8_t)(0x04 << 4))
+#define FT5336_TOUCH_AREA_SHIFT ((uint8_t)0x04)
+
+#define FT5336_P2_XH_REG ((uint8_t)0x09)
+#define FT5336_P2_XL_REG ((uint8_t)0x0A)
+#define FT5336_P2_YH_REG ((uint8_t)0x0B)
+#define FT5336_P2_YL_REG ((uint8_t)0x0C)
+#define FT5336_P2_WEIGHT_REG ((uint8_t)0x0D)
+#define FT5336_P2_MISC_REG ((uint8_t)0x0E)
+
+#define FT5336_P3_XH_REG ((uint8_t)0x0F)
+#define FT5336_P3_XL_REG ((uint8_t)0x10)
+#define FT5336_P3_YH_REG ((uint8_t)0x11)
+#define FT5336_P3_YL_REG ((uint8_t)0x12)
+#define FT5336_P3_WEIGHT_REG ((uint8_t)0x13)
+#define FT5336_P3_MISC_REG ((uint8_t)0x14)
+
+#define FT5336_P4_XH_REG ((uint8_t)0x15)
+#define FT5336_P4_XL_REG ((uint8_t)0x16)
+#define FT5336_P4_YH_REG ((uint8_t)0x17)
+#define FT5336_P4_YL_REG ((uint8_t)0x18)
+#define FT5336_P4_WEIGHT_REG ((uint8_t)0x19)
+#define FT5336_P4_MISC_REG ((uint8_t)0x1A)
+
+#define FT5336_P5_XH_REG ((uint8_t)0x1B)
+#define FT5336_P5_XL_REG ((uint8_t)0x1C)
+#define FT5336_P5_YH_REG ((uint8_t)0x1D)
+#define FT5336_P5_YL_REG ((uint8_t)0x1E)
+#define FT5336_P5_WEIGHT_REG ((uint8_t)0x1F)
+#define FT5336_P5_MISC_REG ((uint8_t)0x20)
+
+#define FT5336_P6_XH_REG ((uint8_t)0x21)
+#define FT5336_P6_XL_REG ((uint8_t)0x22)
+#define FT5336_P6_YH_REG ((uint8_t)0x23)
+#define FT5336_P6_YL_REG ((uint8_t)0x24)
+#define FT5336_P6_WEIGHT_REG ((uint8_t)0x25)
+#define FT5336_P6_MISC_REG ((uint8_t)0x26)
+
+#define FT5336_P7_XH_REG ((uint8_t)0x27)
+#define FT5336_P7_XL_REG ((uint8_t)0x28)
+#define FT5336_P7_YH_REG ((uint8_t)0x29)
+#define FT5336_P7_YL_REG ((uint8_t)0x2A)
+#define FT5336_P7_WEIGHT_REG ((uint8_t)0x2B)
+#define FT5336_P7_MISC_REG ((uint8_t)0x2C)
+
+#define FT5336_P8_XH_REG ((uint8_t)0x2D)
+#define FT5336_P8_XL_REG ((uint8_t)0x2E)
+#define FT5336_P8_YH_REG ((uint8_t)0x2F)
+#define FT5336_P8_YL_REG ((uint8_t)0x30)
+#define FT5336_P8_WEIGHT_REG ((uint8_t)0x31)
+#define FT5336_P8_MISC_REG ((uint8_t)0x32)
+
+#define FT5336_P9_XH_REG ((uint8_t)0x33)
+#define FT5336_P9_XL_REG ((uint8_t)0x34)
+#define FT5336_P9_YH_REG ((uint8_t)0x35)
+#define FT5336_P9_YL_REG ((uint8_t)0x36)
+#define FT5336_P9_WEIGHT_REG ((uint8_t)0x37)
+#define FT5336_P9_MISC_REG ((uint8_t)0x38)
+
+#define FT5336_P10_XH_REG ((uint8_t)0x39)
+#define FT5336_P10_XL_REG ((uint8_t)0x3A)
+#define FT5336_P10_YH_REG ((uint8_t)0x3B)
+#define FT5336_P10_YL_REG ((uint8_t)0x3C)
+#define FT5336_P10_WEIGHT_REG ((uint8_t)0x3D)
+#define FT5336_P10_MISC_REG ((uint8_t)0x3E)
+
+ /* Threshold for touch detection */
+#define FT5336_TH_GROUP_REG ((uint8_t)0x80)
+
+ /* Values FT5336_TH_GROUP_REG : threshold related */
+#define FT5336_THRESHOLD_MASK ((uint8_t)0xFF)
+#define FT5336_THRESHOLD_SHIFT ((uint8_t)0x00)
+
+ /* Filter function coefficients */
+#define FT5336_TH_DIFF_REG ((uint8_t)0x85)
+
+ /* Control register */
+#define FT5336_CTRL_REG ((uint8_t)0x86)
+
+ /* Values related to FT5336_CTRL_REG */
+
+ /* Will keep the Active mode when there is no touching */
+#define FT5336_CTRL_KEEP_ACTIVE_MODE ((uint8_t)0x00)
+
+ /* Switching from Active mode to Monitor mode automatically when there is no touching */
+#define FT5336_CTRL_KEEP_AUTO_SWITCH_MONITOR_MODE ((uint8_t)0x01
+
+ /* The time period of switching from Active mode to Monitor mode when there is no touching */
+#define FT5336_TIMEENTERMONITOR_REG ((uint8_t)0x87)
+
+ /* Report rate in Active mode */
+#define FT5336_PERIODACTIVE_REG ((uint8_t)0x88)
+
+ /* Report rate in Monitor mode */
+#define FT5336_PERIODMONITOR_REG ((uint8_t)0x89)
+
+ /* The value of the minimum allowed angle while Rotating gesture mode */
+#define FT5336_RADIAN_VALUE_REG ((uint8_t)0x91)
+
+ /* Maximum offset while Moving Left and Moving Right gesture */
+#define FT5336_OFFSET_LEFT_RIGHT_REG ((uint8_t)0x92)
+
+ /* Maximum offset while Moving Up and Moving Down gesture */
+#define FT5336_OFFSET_UP_DOWN_REG ((uint8_t)0x93)
+
+ /* Minimum distance while Moving Left and Moving Right gesture */
+#define FT5336_DISTANCE_LEFT_RIGHT_REG ((uint8_t)0x94)
+
+ /* Minimum distance while Moving Up and Moving Down gesture */
+#define FT5336_DISTANCE_UP_DOWN_REG ((uint8_t)0x95)
+
+ /* Maximum distance while Zoom In and Zoom Out gesture */
+#define FT5336_DISTANCE_ZOOM_REG ((uint8_t)0x96)
+
+ /* High 8-bit of LIB Version info */
+#define FT5336_LIB_VER_H_REG ((uint8_t)0xA1)
+
+ /* Low 8-bit of LIB Version info */
+#define FT5336_LIB_VER_L_REG ((uint8_t)0xA2)
+
+ /* Chip Selecting */
+#define FT5336_CIPHER_REG ((uint8_t)0xA3)
+
+ /* Interrupt mode register (used when in interrupt mode) */
+#define FT5336_GMODE_REG ((uint8_t)0xA4)
+
+#define FT5336_G_MODE_INTERRUPT_MASK ((uint8_t)0x03)
+#define FT5336_G_MODE_INTERRUPT_SHIFT ((uint8_t)0x00)
+
+ /* Possible values of FT5336_GMODE_REG */
+#define FT5336_G_MODE_INTERRUPT_POLLING ((uint8_t)0x00)
+#define FT5336_G_MODE_INTERRUPT_TRIGGER ((uint8_t)0x01)
+
+ /* Current power mode the FT5336 system is in (R) */
+#define FT5336_PWR_MODE_REG ((uint8_t)0xA5)
+
+ /* FT5336 firmware version */
+#define FT5336_FIRMID_REG ((uint8_t)0xA6)
+
+ /* FT5336 Chip identification register */
+#define FT5336_CHIP_ID_REG ((uint8_t)0xA8)
+
+ /* Possible values of FT5336_CHIP_ID_REG */
+#define FT5336_ID_VALUE ((uint8_t)0x51)
+
+ /* Release code version */
+#define FT5336_RELEASE_CODE_ID_REG ((uint8_t)0xAF)
+
+ /* Current operating mode the FT5336 system is in (R) */
+#define FT5336_STATE_REG ((uint8_t)0xBC)
+
+ /**
+ * @}
+ */
+
+ /* Exported macro ------------------------------------------------------------*/
+
+ /** @defgroup ft5336_Exported_Macros
+ * @{
+ */
+
+ /* Exported functions --------------------------------------------------------*/
+
+ /** @defgroup ft5336_Exported_Functions
+ * @{
+ */
+
+ /**
+ * @brief ft5336 Control functions
+ */
+
+
+/**
+ * @brief Initialize the ft5336 communication bus
+ * from MCU to FT5336 : ie I2C channel initialization (if required).
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @retval None
+ */
+void ft5336_Init(uint16_t DeviceAddr);
+
+/**
+ * @brief Software Reset the ft5336.
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @retval None
+ */
+void ft5336_Reset(uint16_t DeviceAddr);
+
+/**
+ * @brief Read the ft5336 device ID, pre initialize I2C in case of need to be
+ * able to read the FT5336 device ID, and verify this is a FT5336.
+ * @param DeviceAddr: I2C FT5336 Slave address.
+ * @retval The Device ID (two bytes).
+ */
+uint16_t ft5336_ReadID(uint16_t DeviceAddr);
+
+/**
+ * @brief Configures the touch Screen IC device to start detecting touches
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address).
+ * @retval None.
+ */
+void ft5336_TS_Start(uint16_t DeviceAddr);
+
+/**
+ * @brief Return if there is touches detected or not.
+ * Try to detect new touches and forget the old ones (reset internal global
+ * variables).
+ * @param DeviceAddr: Device address on communication Bus.
+ * @retval : Number of active touches detected (can be 0, 1 or 2).
+ */
+uint8_t ft5336_TS_DetectTouch(uint16_t DeviceAddr);
+
+/**
+ * @brief Get the touch screen X and Y positions values
+ * Manage multi touch thanks to touch Index global
+ * variable 'ft5336_handle.currActiveTouchIdx'.
+ * @param DeviceAddr: Device address on communication Bus.
+ * @param X: Pointer to X position value
+ * @param Y: Pointer to Y position value
+ * @retval None.
+ */
+void ft5336_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y);
+
+/**
+ * @brief Configure the FT5336 device to generate IT on given INT pin
+ * connected to MCU as EXTI.
+ * @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336).
+ * @retval None
+ */
+void ft5336_TS_EnableIT(uint16_t DeviceAddr);
+
+/**
+ * @brief Configure the FT5336 device to stop generating IT on the given INT pin
+ * connected to MCU as EXTI.
+ * @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336).
+ * @retval None
+ */
+void ft5336_TS_DisableIT(uint16_t DeviceAddr);
+
+/**
+ * @brief Get IT status from FT5336 interrupt status registers
+ * Should be called Following an EXTI coming to the MCU to know the detailed
+ * reason of the interrupt.
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @retval TS interrupts status
+ */
+uint8_t ft5336_TS_ITStatus (uint16_t DeviceAddr);
+
+/**
+ * @brief Clear IT status in FT5336 interrupt status clear registers
+ * Should be called Following an EXTI coming to the MCU.
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @retval TS interrupts status
+ */
+void ft5336_TS_ClearIT (uint16_t DeviceAddr);
+
+/**** NEW FEATURES enabled when Multi-touch support is enabled ****/
+
+#if (TS_MULTI_TOUCH_SUPPORTED == 1)
+
+/**
+ * @brief Get the last touch gesture identification (zoom, move up/down...).
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @param pGestureId : Pointer to get last touch gesture Identification.
+ * @retval None.
+ */
+void ft5336_TS_GetGestureID(uint16_t DeviceAddr, uint32_t * pGestureId);
+
+/**
+ * @brief Get the touch detailed informations on touch number 'touchIdx' (0..1)
+ * This touch detailed information contains :
+ * - weight that was applied to this touch
+ * - sub-area of the touch in the touch panel
+ * - event of linked to the touch (press down, lift up, ...)
+ * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336).
+ * @param touchIdx : Passed index of the touch (0..1) on which we want to get the
+ * detailed information.
+ * @param pWeight : Pointer to to get the weight information of 'touchIdx'.
+ * @param pArea : Pointer to to get the sub-area information of 'touchIdx'.
+ * @param pEvent : Pointer to to get the event information of 'touchIdx'.
+
+ * @retval None.
+ */
+void ft5336_TS_GetTouchInfo(uint16_t DeviceAddr,
+ uint32_t touchIdx,
+ uint32_t * pWeight,
+ uint32_t * pArea,
+ uint32_t * pEvent);
+
+#endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */
+
+/* Imported TS IO functions --------------------------------------------------------*/
+
+/** @defgroup ft5336_Imported_Functions
+ * @{
+ */
+
+/* TouchScreen (TS) external IO functions */
+extern void TS_IO_Init(void);
+extern void TS_IO_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
+extern uint8_t TS_IO_Read(uint8_t Addr, uint8_t Reg);
+extern void TS_IO_Delay(uint32_t Delay);
+
+ /**
+ * @}
+ */
+
+ /* Imported global variables --------------------------------------------------------*/
+
+ /** @defgroup ft5336_Imported_Globals
+ * @{
+ */
+
+
+/* Touch screen driver structure */
+extern TS_DrvTypeDef ft5336_ts_drv;
+
+ /**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* __FT5336_H */
+
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/