patch for F746 demo
Fork of BSP_DISCO_F746NG by
Components/ft5336/ft5336.c@1:e8fac4061a5b, 2015-11-02 (annotated)
- Committer:
- NirT
- Date:
- Mon Nov 02 23:35:17 2015 +0000
- Revision:
- 1:e8fac4061a5b
Error: Incomplete type is not allowed in "patch/LwIP/src/include/lwip/dhcp.h", Line: 83, Col: 4; ; and more like this.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
NirT | 1:e8fac4061a5b | 1 | /** |
NirT | 1:e8fac4061a5b | 2 | ****************************************************************************** |
NirT | 1:e8fac4061a5b | 3 | * @file ft5336.c |
NirT | 1:e8fac4061a5b | 4 | * @author MCD Application Team |
NirT | 1:e8fac4061a5b | 5 | * @version V1.0.0 |
NirT | 1:e8fac4061a5b | 6 | * @date 25-June-2015 |
NirT | 1:e8fac4061a5b | 7 | * @brief This file provides a set of functions needed to manage the FT5336 |
NirT | 1:e8fac4061a5b | 8 | * touch screen devices. |
NirT | 1:e8fac4061a5b | 9 | ****************************************************************************** |
NirT | 1:e8fac4061a5b | 10 | * @attention |
NirT | 1:e8fac4061a5b | 11 | * |
NirT | 1:e8fac4061a5b | 12 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
NirT | 1:e8fac4061a5b | 13 | * |
NirT | 1:e8fac4061a5b | 14 | * Redistribution and use in source and binary forms, with or without modification, |
NirT | 1:e8fac4061a5b | 15 | * are permitted provided that the following conditions are met: |
NirT | 1:e8fac4061a5b | 16 | * 1. Redistributions of source code must retain the above copyright notice, |
NirT | 1:e8fac4061a5b | 17 | * this list of conditions and the following disclaimer. |
NirT | 1:e8fac4061a5b | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
NirT | 1:e8fac4061a5b | 19 | * this list of conditions and the following disclaimer in the documentation |
NirT | 1:e8fac4061a5b | 20 | * and/or other materials provided with the distribution. |
NirT | 1:e8fac4061a5b | 21 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
NirT | 1:e8fac4061a5b | 22 | * may be used to endorse or promote products derived from this software |
NirT | 1:e8fac4061a5b | 23 | * without specific prior written permission. |
NirT | 1:e8fac4061a5b | 24 | * |
NirT | 1:e8fac4061a5b | 25 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
NirT | 1:e8fac4061a5b | 26 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
NirT | 1:e8fac4061a5b | 27 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
NirT | 1:e8fac4061a5b | 28 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
NirT | 1:e8fac4061a5b | 29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
NirT | 1:e8fac4061a5b | 30 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
NirT | 1:e8fac4061a5b | 31 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
NirT | 1:e8fac4061a5b | 32 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
NirT | 1:e8fac4061a5b | 33 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
NirT | 1:e8fac4061a5b | 34 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
NirT | 1:e8fac4061a5b | 35 | * |
NirT | 1:e8fac4061a5b | 36 | ****************************************************************************** |
NirT | 1:e8fac4061a5b | 37 | */ |
NirT | 1:e8fac4061a5b | 38 | |
NirT | 1:e8fac4061a5b | 39 | /* Includes ------------------------------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 40 | #include "ft5336.h" |
NirT | 1:e8fac4061a5b | 41 | |
NirT | 1:e8fac4061a5b | 42 | /** @addtogroup BSP |
NirT | 1:e8fac4061a5b | 43 | * @{ |
NirT | 1:e8fac4061a5b | 44 | */ |
NirT | 1:e8fac4061a5b | 45 | |
NirT | 1:e8fac4061a5b | 46 | /** @addtogroup Component |
NirT | 1:e8fac4061a5b | 47 | * @{ |
NirT | 1:e8fac4061a5b | 48 | */ |
NirT | 1:e8fac4061a5b | 49 | |
NirT | 1:e8fac4061a5b | 50 | /** @defgroup FT5336 |
NirT | 1:e8fac4061a5b | 51 | * @{ |
NirT | 1:e8fac4061a5b | 52 | */ |
NirT | 1:e8fac4061a5b | 53 | |
NirT | 1:e8fac4061a5b | 54 | /* Private typedef -----------------------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 55 | |
NirT | 1:e8fac4061a5b | 56 | /** @defgroup FT5336_Private_Types_Definitions |
NirT | 1:e8fac4061a5b | 57 | * @{ |
NirT | 1:e8fac4061a5b | 58 | */ |
NirT | 1:e8fac4061a5b | 59 | |
NirT | 1:e8fac4061a5b | 60 | /* Private define ------------------------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 61 | |
NirT | 1:e8fac4061a5b | 62 | /** @defgroup FT5336_Private_Defines |
NirT | 1:e8fac4061a5b | 63 | * @{ |
NirT | 1:e8fac4061a5b | 64 | */ |
NirT | 1:e8fac4061a5b | 65 | |
NirT | 1:e8fac4061a5b | 66 | /* Private macro -------------------------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 67 | |
NirT | 1:e8fac4061a5b | 68 | /** @defgroup FT5336_Private_Macros |
NirT | 1:e8fac4061a5b | 69 | * @{ |
NirT | 1:e8fac4061a5b | 70 | */ |
NirT | 1:e8fac4061a5b | 71 | |
NirT | 1:e8fac4061a5b | 72 | /* Private variables ---------------------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 73 | |
NirT | 1:e8fac4061a5b | 74 | /** @defgroup FT5336_Private_Variables |
NirT | 1:e8fac4061a5b | 75 | * @{ |
NirT | 1:e8fac4061a5b | 76 | */ |
NirT | 1:e8fac4061a5b | 77 | |
NirT | 1:e8fac4061a5b | 78 | /* Touch screen driver structure initialization */ |
NirT | 1:e8fac4061a5b | 79 | TS_DrvTypeDef ft5336_ts_drv = |
NirT | 1:e8fac4061a5b | 80 | { |
NirT | 1:e8fac4061a5b | 81 | ft5336_Init, |
NirT | 1:e8fac4061a5b | 82 | ft5336_ReadID, |
NirT | 1:e8fac4061a5b | 83 | ft5336_Reset, |
NirT | 1:e8fac4061a5b | 84 | |
NirT | 1:e8fac4061a5b | 85 | ft5336_TS_Start, |
NirT | 1:e8fac4061a5b | 86 | ft5336_TS_DetectTouch, |
NirT | 1:e8fac4061a5b | 87 | ft5336_TS_GetXY, |
NirT | 1:e8fac4061a5b | 88 | |
NirT | 1:e8fac4061a5b | 89 | ft5336_TS_EnableIT, |
NirT | 1:e8fac4061a5b | 90 | ft5336_TS_ClearIT, |
NirT | 1:e8fac4061a5b | 91 | ft5336_TS_ITStatus, |
NirT | 1:e8fac4061a5b | 92 | ft5336_TS_DisableIT |
NirT | 1:e8fac4061a5b | 93 | |
NirT | 1:e8fac4061a5b | 94 | }; |
NirT | 1:e8fac4061a5b | 95 | |
NirT | 1:e8fac4061a5b | 96 | /* Global ft5336 handle */ |
NirT | 1:e8fac4061a5b | 97 | static ft5336_handle_TypeDef ft5336_handle = { FT5336_I2C_NOT_INITIALIZED, 0, 0}; |
NirT | 1:e8fac4061a5b | 98 | |
NirT | 1:e8fac4061a5b | 99 | /** |
NirT | 1:e8fac4061a5b | 100 | * @} |
NirT | 1:e8fac4061a5b | 101 | */ |
NirT | 1:e8fac4061a5b | 102 | |
NirT | 1:e8fac4061a5b | 103 | /** @defgroup ft5336_Private_Function_Prototypes |
NirT | 1:e8fac4061a5b | 104 | * @{ |
NirT | 1:e8fac4061a5b | 105 | */ |
NirT | 1:e8fac4061a5b | 106 | |
NirT | 1:e8fac4061a5b | 107 | /* Private functions prototypes-----------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 108 | |
NirT | 1:e8fac4061a5b | 109 | /** |
NirT | 1:e8fac4061a5b | 110 | * @brief Return the status of I2C was initialized or not. |
NirT | 1:e8fac4061a5b | 111 | * @param None. |
NirT | 1:e8fac4061a5b | 112 | * @retval : I2C initialization status. |
NirT | 1:e8fac4061a5b | 113 | */ |
NirT | 1:e8fac4061a5b | 114 | static uint8_t ft5336_Get_I2C_InitializedStatus(void); |
NirT | 1:e8fac4061a5b | 115 | |
NirT | 1:e8fac4061a5b | 116 | /** |
NirT | 1:e8fac4061a5b | 117 | * @brief I2C initialize if needed. |
NirT | 1:e8fac4061a5b | 118 | * @param None. |
NirT | 1:e8fac4061a5b | 119 | * @retval : None. |
NirT | 1:e8fac4061a5b | 120 | */ |
NirT | 1:e8fac4061a5b | 121 | static void ft5336_I2C_InitializeIfRequired(void); |
NirT | 1:e8fac4061a5b | 122 | |
NirT | 1:e8fac4061a5b | 123 | /** |
NirT | 1:e8fac4061a5b | 124 | * @brief Basic static configuration of TouchScreen |
NirT | 1:e8fac4061a5b | 125 | * @param DeviceAddr: FT5336 Device address for communication on I2C Bus. |
NirT | 1:e8fac4061a5b | 126 | * @retval Status FT5336_STATUS_OK or FT5336_STATUS_NOT_OK. |
NirT | 1:e8fac4061a5b | 127 | */ |
NirT | 1:e8fac4061a5b | 128 | static uint32_t ft5336_TS_Configure(uint16_t DeviceAddr); |
NirT | 1:e8fac4061a5b | 129 | |
NirT | 1:e8fac4061a5b | 130 | /** @defgroup ft5336_Private_Functions |
NirT | 1:e8fac4061a5b | 131 | * @{ |
NirT | 1:e8fac4061a5b | 132 | */ |
NirT | 1:e8fac4061a5b | 133 | |
NirT | 1:e8fac4061a5b | 134 | /** @defgroup ft5336_Public_Function_Body |
NirT | 1:e8fac4061a5b | 135 | * @{ |
NirT | 1:e8fac4061a5b | 136 | */ |
NirT | 1:e8fac4061a5b | 137 | |
NirT | 1:e8fac4061a5b | 138 | /* Public functions bodies-----------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 139 | |
NirT | 1:e8fac4061a5b | 140 | |
NirT | 1:e8fac4061a5b | 141 | /** |
NirT | 1:e8fac4061a5b | 142 | * @brief Initialize the ft5336 communication bus |
NirT | 1:e8fac4061a5b | 143 | * from MCU to FT5336 : ie I2C channel initialization (if required). |
NirT | 1:e8fac4061a5b | 144 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 145 | * @retval None |
NirT | 1:e8fac4061a5b | 146 | */ |
NirT | 1:e8fac4061a5b | 147 | void ft5336_Init(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 148 | { |
NirT | 1:e8fac4061a5b | 149 | /* Wait at least 200ms after power up before accessing registers |
NirT | 1:e8fac4061a5b | 150 | * Trsi timing (Time of starting to report point after resetting) from FT5336GQQ datasheet */ |
NirT | 1:e8fac4061a5b | 151 | TS_IO_Delay(200); |
NirT | 1:e8fac4061a5b | 152 | |
NirT | 1:e8fac4061a5b | 153 | /* Initialize I2C link if needed */ |
NirT | 1:e8fac4061a5b | 154 | ft5336_I2C_InitializeIfRequired(); |
NirT | 1:e8fac4061a5b | 155 | } |
NirT | 1:e8fac4061a5b | 156 | |
NirT | 1:e8fac4061a5b | 157 | /** |
NirT | 1:e8fac4061a5b | 158 | * @brief Software Reset the ft5336. |
NirT | 1:e8fac4061a5b | 159 | * @note : Not applicable to FT5336. |
NirT | 1:e8fac4061a5b | 160 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 161 | * @retval None |
NirT | 1:e8fac4061a5b | 162 | */ |
NirT | 1:e8fac4061a5b | 163 | void ft5336_Reset(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 164 | { |
NirT | 1:e8fac4061a5b | 165 | /* Do nothing */ |
NirT | 1:e8fac4061a5b | 166 | /* No software reset sequence available in FT5336 IC */ |
NirT | 1:e8fac4061a5b | 167 | } |
NirT | 1:e8fac4061a5b | 168 | |
NirT | 1:e8fac4061a5b | 169 | /** |
NirT | 1:e8fac4061a5b | 170 | * @brief Read the ft5336 device ID, pre initialize I2C in case of need to be |
NirT | 1:e8fac4061a5b | 171 | * able to read the FT5336 device ID, and verify this is a FT5336. |
NirT | 1:e8fac4061a5b | 172 | * @param DeviceAddr: I2C FT5336 Slave address. |
NirT | 1:e8fac4061a5b | 173 | * @retval The Device ID (two bytes). |
NirT | 1:e8fac4061a5b | 174 | */ |
NirT | 1:e8fac4061a5b | 175 | uint16_t ft5336_ReadID(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 176 | { |
NirT | 1:e8fac4061a5b | 177 | volatile uint8_t ucReadId = 0; |
NirT | 1:e8fac4061a5b | 178 | uint8_t nbReadAttempts = 0; |
NirT | 1:e8fac4061a5b | 179 | uint8_t bFoundDevice = 0; /* Device not found by default */ |
NirT | 1:e8fac4061a5b | 180 | |
NirT | 1:e8fac4061a5b | 181 | /* Initialize I2C link if needed */ |
NirT | 1:e8fac4061a5b | 182 | ft5336_I2C_InitializeIfRequired(); |
NirT | 1:e8fac4061a5b | 183 | |
NirT | 1:e8fac4061a5b | 184 | /* At maximum 4 attempts to read ID : exit at first finding of the searched device ID */ |
NirT | 1:e8fac4061a5b | 185 | for(nbReadAttempts = 0; ((nbReadAttempts < 3) && !(bFoundDevice)); nbReadAttempts++) |
NirT | 1:e8fac4061a5b | 186 | { |
NirT | 1:e8fac4061a5b | 187 | /* Read register FT5336_CHIP_ID_REG as DeviceID detection */ |
NirT | 1:e8fac4061a5b | 188 | ucReadId = TS_IO_Read(DeviceAddr, FT5336_CHIP_ID_REG); |
NirT | 1:e8fac4061a5b | 189 | |
NirT | 1:e8fac4061a5b | 190 | /* Found the searched device ID ? */ |
NirT | 1:e8fac4061a5b | 191 | if(ucReadId == FT5336_ID_VALUE) |
NirT | 1:e8fac4061a5b | 192 | { |
NirT | 1:e8fac4061a5b | 193 | /* Set device as found */ |
NirT | 1:e8fac4061a5b | 194 | bFoundDevice = 1; |
NirT | 1:e8fac4061a5b | 195 | } |
NirT | 1:e8fac4061a5b | 196 | } |
NirT | 1:e8fac4061a5b | 197 | |
NirT | 1:e8fac4061a5b | 198 | /* Return the device ID value */ |
NirT | 1:e8fac4061a5b | 199 | return (ucReadId); |
NirT | 1:e8fac4061a5b | 200 | } |
NirT | 1:e8fac4061a5b | 201 | |
NirT | 1:e8fac4061a5b | 202 | /** |
NirT | 1:e8fac4061a5b | 203 | * @brief Configures the touch Screen IC device to start detecting touches |
NirT | 1:e8fac4061a5b | 204 | * @param DeviceAddr: Device address on communication Bus (I2C slave address). |
NirT | 1:e8fac4061a5b | 205 | * @retval None. |
NirT | 1:e8fac4061a5b | 206 | */ |
NirT | 1:e8fac4061a5b | 207 | void ft5336_TS_Start(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 208 | { |
NirT | 1:e8fac4061a5b | 209 | /* Minimum static configuration of FT5336 */ |
NirT | 1:e8fac4061a5b | 210 | FT5336_ASSERT(ft5336_TS_Configure(DeviceAddr)); |
NirT | 1:e8fac4061a5b | 211 | |
NirT | 1:e8fac4061a5b | 212 | /* By default set FT5336 IC in Polling mode : no INT generation on FT5336 for new touch available */ |
NirT | 1:e8fac4061a5b | 213 | /* Note TS_INT is active low */ |
NirT | 1:e8fac4061a5b | 214 | ft5336_TS_DisableIT(DeviceAddr); |
NirT | 1:e8fac4061a5b | 215 | } |
NirT | 1:e8fac4061a5b | 216 | |
NirT | 1:e8fac4061a5b | 217 | /** |
NirT | 1:e8fac4061a5b | 218 | * @brief Return if there is touches detected or not. |
NirT | 1:e8fac4061a5b | 219 | * Try to detect new touches and forget the old ones (reset internal global |
NirT | 1:e8fac4061a5b | 220 | * variables). |
NirT | 1:e8fac4061a5b | 221 | * @param DeviceAddr: Device address on communication Bus. |
NirT | 1:e8fac4061a5b | 222 | * @retval : Number of active touches detected (can be 0, 1 or 2). |
NirT | 1:e8fac4061a5b | 223 | */ |
NirT | 1:e8fac4061a5b | 224 | uint8_t ft5336_TS_DetectTouch(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 225 | { |
NirT | 1:e8fac4061a5b | 226 | volatile uint8_t nbTouch = 0; |
NirT | 1:e8fac4061a5b | 227 | |
NirT | 1:e8fac4061a5b | 228 | /* Read register FT5336_TD_STAT_REG to check number of touches detection */ |
NirT | 1:e8fac4061a5b | 229 | nbTouch = TS_IO_Read(DeviceAddr, FT5336_TD_STAT_REG); |
NirT | 1:e8fac4061a5b | 230 | nbTouch &= FT5336_TD_STAT_MASK; |
NirT | 1:e8fac4061a5b | 231 | |
NirT | 1:e8fac4061a5b | 232 | if(nbTouch > FT5336_MAX_DETECTABLE_TOUCH) |
NirT | 1:e8fac4061a5b | 233 | { |
NirT | 1:e8fac4061a5b | 234 | /* If invalid number of touch detected, set it to zero */ |
NirT | 1:e8fac4061a5b | 235 | nbTouch = 0; |
NirT | 1:e8fac4061a5b | 236 | } |
NirT | 1:e8fac4061a5b | 237 | |
NirT | 1:e8fac4061a5b | 238 | /* Update ft5336 driver internal global : current number of active touches */ |
NirT | 1:e8fac4061a5b | 239 | ft5336_handle.currActiveTouchNb = nbTouch; |
NirT | 1:e8fac4061a5b | 240 | |
NirT | 1:e8fac4061a5b | 241 | /* Reset current active touch index on which to work on */ |
NirT | 1:e8fac4061a5b | 242 | ft5336_handle.currActiveTouchIdx = 0; |
NirT | 1:e8fac4061a5b | 243 | |
NirT | 1:e8fac4061a5b | 244 | return(nbTouch); |
NirT | 1:e8fac4061a5b | 245 | } |
NirT | 1:e8fac4061a5b | 246 | |
NirT | 1:e8fac4061a5b | 247 | /** |
NirT | 1:e8fac4061a5b | 248 | * @brief Get the touch screen X and Y positions values |
NirT | 1:e8fac4061a5b | 249 | * Manage multi touch thanks to touch Index global |
NirT | 1:e8fac4061a5b | 250 | * variable 'ft5336_handle.currActiveTouchIdx'. |
NirT | 1:e8fac4061a5b | 251 | * @param DeviceAddr: Device address on communication Bus. |
NirT | 1:e8fac4061a5b | 252 | * @param X: Pointer to X position value |
NirT | 1:e8fac4061a5b | 253 | * @param Y: Pointer to Y position value |
NirT | 1:e8fac4061a5b | 254 | * @retval None. |
NirT | 1:e8fac4061a5b | 255 | */ |
NirT | 1:e8fac4061a5b | 256 | void ft5336_TS_GetXY(uint16_t DeviceAddr, uint16_t *X, uint16_t *Y) |
NirT | 1:e8fac4061a5b | 257 | { |
NirT | 1:e8fac4061a5b | 258 | volatile uint8_t ucReadData = 0; |
NirT | 1:e8fac4061a5b | 259 | static uint16_t coord; |
NirT | 1:e8fac4061a5b | 260 | uint8_t regAddressXLow = 0; |
NirT | 1:e8fac4061a5b | 261 | uint8_t regAddressXHigh = 0; |
NirT | 1:e8fac4061a5b | 262 | uint8_t regAddressYLow = 0; |
NirT | 1:e8fac4061a5b | 263 | uint8_t regAddressYHigh = 0; |
NirT | 1:e8fac4061a5b | 264 | |
NirT | 1:e8fac4061a5b | 265 | if(ft5336_handle.currActiveTouchIdx < ft5336_handle.currActiveTouchNb) |
NirT | 1:e8fac4061a5b | 266 | { |
NirT | 1:e8fac4061a5b | 267 | switch(ft5336_handle.currActiveTouchIdx) |
NirT | 1:e8fac4061a5b | 268 | { |
NirT | 1:e8fac4061a5b | 269 | case 0 : |
NirT | 1:e8fac4061a5b | 270 | regAddressXLow = FT5336_P1_XL_REG; |
NirT | 1:e8fac4061a5b | 271 | regAddressXHigh = FT5336_P1_XH_REG; |
NirT | 1:e8fac4061a5b | 272 | regAddressYLow = FT5336_P1_YL_REG; |
NirT | 1:e8fac4061a5b | 273 | regAddressYHigh = FT5336_P1_YH_REG; |
NirT | 1:e8fac4061a5b | 274 | break; |
NirT | 1:e8fac4061a5b | 275 | |
NirT | 1:e8fac4061a5b | 276 | case 1 : |
NirT | 1:e8fac4061a5b | 277 | regAddressXLow = FT5336_P2_XL_REG; |
NirT | 1:e8fac4061a5b | 278 | regAddressXHigh = FT5336_P2_XH_REG; |
NirT | 1:e8fac4061a5b | 279 | regAddressYLow = FT5336_P2_YL_REG; |
NirT | 1:e8fac4061a5b | 280 | regAddressYHigh = FT5336_P2_YH_REG; |
NirT | 1:e8fac4061a5b | 281 | break; |
NirT | 1:e8fac4061a5b | 282 | |
NirT | 1:e8fac4061a5b | 283 | case 2 : |
NirT | 1:e8fac4061a5b | 284 | regAddressXLow = FT5336_P3_XL_REG; |
NirT | 1:e8fac4061a5b | 285 | regAddressXHigh = FT5336_P3_XH_REG; |
NirT | 1:e8fac4061a5b | 286 | regAddressYLow = FT5336_P3_YL_REG; |
NirT | 1:e8fac4061a5b | 287 | regAddressYHigh = FT5336_P3_YH_REG; |
NirT | 1:e8fac4061a5b | 288 | break; |
NirT | 1:e8fac4061a5b | 289 | |
NirT | 1:e8fac4061a5b | 290 | case 3 : |
NirT | 1:e8fac4061a5b | 291 | regAddressXLow = FT5336_P4_XL_REG; |
NirT | 1:e8fac4061a5b | 292 | regAddressXHigh = FT5336_P4_XH_REG; |
NirT | 1:e8fac4061a5b | 293 | regAddressYLow = FT5336_P4_YL_REG; |
NirT | 1:e8fac4061a5b | 294 | regAddressYHigh = FT5336_P4_YH_REG; |
NirT | 1:e8fac4061a5b | 295 | break; |
NirT | 1:e8fac4061a5b | 296 | |
NirT | 1:e8fac4061a5b | 297 | case 4 : |
NirT | 1:e8fac4061a5b | 298 | regAddressXLow = FT5336_P5_XL_REG; |
NirT | 1:e8fac4061a5b | 299 | regAddressXHigh = FT5336_P5_XH_REG; |
NirT | 1:e8fac4061a5b | 300 | regAddressYLow = FT5336_P5_YL_REG; |
NirT | 1:e8fac4061a5b | 301 | regAddressYHigh = FT5336_P5_YH_REG; |
NirT | 1:e8fac4061a5b | 302 | break; |
NirT | 1:e8fac4061a5b | 303 | |
NirT | 1:e8fac4061a5b | 304 | case 5 : |
NirT | 1:e8fac4061a5b | 305 | regAddressXLow = FT5336_P6_XL_REG; |
NirT | 1:e8fac4061a5b | 306 | regAddressXHigh = FT5336_P6_XH_REG; |
NirT | 1:e8fac4061a5b | 307 | regAddressYLow = FT5336_P6_YL_REG; |
NirT | 1:e8fac4061a5b | 308 | regAddressYHigh = FT5336_P6_YH_REG; |
NirT | 1:e8fac4061a5b | 309 | break; |
NirT | 1:e8fac4061a5b | 310 | |
NirT | 1:e8fac4061a5b | 311 | case 6 : |
NirT | 1:e8fac4061a5b | 312 | regAddressXLow = FT5336_P7_XL_REG; |
NirT | 1:e8fac4061a5b | 313 | regAddressXHigh = FT5336_P7_XH_REG; |
NirT | 1:e8fac4061a5b | 314 | regAddressYLow = FT5336_P7_YL_REG; |
NirT | 1:e8fac4061a5b | 315 | regAddressYHigh = FT5336_P7_YH_REG; |
NirT | 1:e8fac4061a5b | 316 | break; |
NirT | 1:e8fac4061a5b | 317 | |
NirT | 1:e8fac4061a5b | 318 | case 7 : |
NirT | 1:e8fac4061a5b | 319 | regAddressXLow = FT5336_P8_XL_REG; |
NirT | 1:e8fac4061a5b | 320 | regAddressXHigh = FT5336_P8_XH_REG; |
NirT | 1:e8fac4061a5b | 321 | regAddressYLow = FT5336_P8_YL_REG; |
NirT | 1:e8fac4061a5b | 322 | regAddressYHigh = FT5336_P8_YH_REG; |
NirT | 1:e8fac4061a5b | 323 | break; |
NirT | 1:e8fac4061a5b | 324 | |
NirT | 1:e8fac4061a5b | 325 | case 8 : |
NirT | 1:e8fac4061a5b | 326 | regAddressXLow = FT5336_P9_XL_REG; |
NirT | 1:e8fac4061a5b | 327 | regAddressXHigh = FT5336_P9_XH_REG; |
NirT | 1:e8fac4061a5b | 328 | regAddressYLow = FT5336_P9_YL_REG; |
NirT | 1:e8fac4061a5b | 329 | regAddressYHigh = FT5336_P9_YH_REG; |
NirT | 1:e8fac4061a5b | 330 | break; |
NirT | 1:e8fac4061a5b | 331 | |
NirT | 1:e8fac4061a5b | 332 | case 9 : |
NirT | 1:e8fac4061a5b | 333 | regAddressXLow = FT5336_P10_XL_REG; |
NirT | 1:e8fac4061a5b | 334 | regAddressXHigh = FT5336_P10_XH_REG; |
NirT | 1:e8fac4061a5b | 335 | regAddressYLow = FT5336_P10_YL_REG; |
NirT | 1:e8fac4061a5b | 336 | regAddressYHigh = FT5336_P10_YH_REG; |
NirT | 1:e8fac4061a5b | 337 | break; |
NirT | 1:e8fac4061a5b | 338 | |
NirT | 1:e8fac4061a5b | 339 | default : |
NirT | 1:e8fac4061a5b | 340 | break; |
NirT | 1:e8fac4061a5b | 341 | |
NirT | 1:e8fac4061a5b | 342 | } /* end switch(ft5336_handle.currActiveTouchIdx) */ |
NirT | 1:e8fac4061a5b | 343 | |
NirT | 1:e8fac4061a5b | 344 | /* Read low part of X position */ |
NirT | 1:e8fac4061a5b | 345 | ucReadData = TS_IO_Read(DeviceAddr, regAddressXLow); |
NirT | 1:e8fac4061a5b | 346 | coord = (ucReadData & FT5336_TOUCH_POS_LSB_MASK) >> FT5336_TOUCH_POS_LSB_SHIFT; |
NirT | 1:e8fac4061a5b | 347 | |
NirT | 1:e8fac4061a5b | 348 | /* Read high part of X position */ |
NirT | 1:e8fac4061a5b | 349 | ucReadData = TS_IO_Read(DeviceAddr, regAddressXHigh); |
NirT | 1:e8fac4061a5b | 350 | coord |= ((ucReadData & FT5336_TOUCH_POS_MSB_MASK) >> FT5336_TOUCH_POS_MSB_SHIFT) << 8; |
NirT | 1:e8fac4061a5b | 351 | |
NirT | 1:e8fac4061a5b | 352 | /* Send back ready X position to caller */ |
NirT | 1:e8fac4061a5b | 353 | *X = coord; |
NirT | 1:e8fac4061a5b | 354 | |
NirT | 1:e8fac4061a5b | 355 | /* Read low part of Y position */ |
NirT | 1:e8fac4061a5b | 356 | ucReadData = TS_IO_Read(DeviceAddr, regAddressYLow); |
NirT | 1:e8fac4061a5b | 357 | coord = (ucReadData & FT5336_TOUCH_POS_LSB_MASK) >> FT5336_TOUCH_POS_LSB_SHIFT; |
NirT | 1:e8fac4061a5b | 358 | |
NirT | 1:e8fac4061a5b | 359 | /* Read high part of Y position */ |
NirT | 1:e8fac4061a5b | 360 | ucReadData = TS_IO_Read(DeviceAddr, regAddressYHigh); |
NirT | 1:e8fac4061a5b | 361 | coord |= ((ucReadData & FT5336_TOUCH_POS_MSB_MASK) >> FT5336_TOUCH_POS_MSB_SHIFT) << 8; |
NirT | 1:e8fac4061a5b | 362 | |
NirT | 1:e8fac4061a5b | 363 | /* Send back ready Y position to caller */ |
NirT | 1:e8fac4061a5b | 364 | *Y = coord; |
NirT | 1:e8fac4061a5b | 365 | |
NirT | 1:e8fac4061a5b | 366 | ft5336_handle.currActiveTouchIdx++; /* next call will work on next touch */ |
NirT | 1:e8fac4061a5b | 367 | |
NirT | 1:e8fac4061a5b | 368 | } /* of if(ft5336_handle.currActiveTouchIdx < ft5336_handle.currActiveTouchNb) */ |
NirT | 1:e8fac4061a5b | 369 | } |
NirT | 1:e8fac4061a5b | 370 | |
NirT | 1:e8fac4061a5b | 371 | /** |
NirT | 1:e8fac4061a5b | 372 | * @brief Configure the FT5336 device to generate IT on given INT pin |
NirT | 1:e8fac4061a5b | 373 | * connected to MCU as EXTI. |
NirT | 1:e8fac4061a5b | 374 | * @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336). |
NirT | 1:e8fac4061a5b | 375 | * @retval None |
NirT | 1:e8fac4061a5b | 376 | */ |
NirT | 1:e8fac4061a5b | 377 | void ft5336_TS_EnableIT(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 378 | { |
NirT | 1:e8fac4061a5b | 379 | uint8_t regValue = 0; |
NirT | 1:e8fac4061a5b | 380 | regValue = (FT5336_G_MODE_INTERRUPT_TRIGGER & (FT5336_G_MODE_INTERRUPT_MASK >> FT5336_G_MODE_INTERRUPT_SHIFT)) << FT5336_G_MODE_INTERRUPT_SHIFT; |
NirT | 1:e8fac4061a5b | 381 | |
NirT | 1:e8fac4061a5b | 382 | /* Set interrupt trigger mode in FT5336_GMODE_REG */ |
NirT | 1:e8fac4061a5b | 383 | TS_IO_Write(DeviceAddr, FT5336_GMODE_REG, regValue); |
NirT | 1:e8fac4061a5b | 384 | } |
NirT | 1:e8fac4061a5b | 385 | |
NirT | 1:e8fac4061a5b | 386 | /** |
NirT | 1:e8fac4061a5b | 387 | * @brief Configure the FT5336 device to stop generating IT on the given INT pin |
NirT | 1:e8fac4061a5b | 388 | * connected to MCU as EXTI. |
NirT | 1:e8fac4061a5b | 389 | * @param DeviceAddr: Device address on communication Bus (Slave I2C address of FT5336). |
NirT | 1:e8fac4061a5b | 390 | * @retval None |
NirT | 1:e8fac4061a5b | 391 | */ |
NirT | 1:e8fac4061a5b | 392 | void ft5336_TS_DisableIT(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 393 | { |
NirT | 1:e8fac4061a5b | 394 | uint8_t regValue = 0; |
NirT | 1:e8fac4061a5b | 395 | regValue = (FT5336_G_MODE_INTERRUPT_POLLING & (FT5336_G_MODE_INTERRUPT_MASK >> FT5336_G_MODE_INTERRUPT_SHIFT)) << FT5336_G_MODE_INTERRUPT_SHIFT; |
NirT | 1:e8fac4061a5b | 396 | |
NirT | 1:e8fac4061a5b | 397 | /* Set interrupt polling mode in FT5336_GMODE_REG */ |
NirT | 1:e8fac4061a5b | 398 | TS_IO_Write(DeviceAddr, FT5336_GMODE_REG, regValue); |
NirT | 1:e8fac4061a5b | 399 | } |
NirT | 1:e8fac4061a5b | 400 | |
NirT | 1:e8fac4061a5b | 401 | /** |
NirT | 1:e8fac4061a5b | 402 | * @brief Get IT status from FT5336 interrupt status registers |
NirT | 1:e8fac4061a5b | 403 | * Should be called Following an EXTI coming to the MCU to know the detailed |
NirT | 1:e8fac4061a5b | 404 | * reason of the interrupt. |
NirT | 1:e8fac4061a5b | 405 | * @note : This feature is not applicable to FT5336. |
NirT | 1:e8fac4061a5b | 406 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 407 | * @retval TS interrupts status : always return 0 here |
NirT | 1:e8fac4061a5b | 408 | */ |
NirT | 1:e8fac4061a5b | 409 | uint8_t ft5336_TS_ITStatus(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 410 | { |
NirT | 1:e8fac4061a5b | 411 | /* Always return 0 as feature not applicable to FT5336 */ |
NirT | 1:e8fac4061a5b | 412 | return 0; |
NirT | 1:e8fac4061a5b | 413 | } |
NirT | 1:e8fac4061a5b | 414 | |
NirT | 1:e8fac4061a5b | 415 | /** |
NirT | 1:e8fac4061a5b | 416 | * @brief Clear IT status in FT5336 interrupt status clear registers |
NirT | 1:e8fac4061a5b | 417 | * Should be called Following an EXTI coming to the MCU. |
NirT | 1:e8fac4061a5b | 418 | * @note : This feature is not applicable to FT5336. |
NirT | 1:e8fac4061a5b | 419 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 420 | * @retval None |
NirT | 1:e8fac4061a5b | 421 | */ |
NirT | 1:e8fac4061a5b | 422 | void ft5336_TS_ClearIT(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 423 | { |
NirT | 1:e8fac4061a5b | 424 | /* Nothing to be done here for FT5336 */ |
NirT | 1:e8fac4061a5b | 425 | } |
NirT | 1:e8fac4061a5b | 426 | |
NirT | 1:e8fac4061a5b | 427 | /**** NEW FEATURES enabled when Multi-touch support is enabled ****/ |
NirT | 1:e8fac4061a5b | 428 | |
NirT | 1:e8fac4061a5b | 429 | #if (TS_MULTI_TOUCH_SUPPORTED == 1) |
NirT | 1:e8fac4061a5b | 430 | |
NirT | 1:e8fac4061a5b | 431 | /** |
NirT | 1:e8fac4061a5b | 432 | * @brief Get the last touch gesture identification (zoom, move up/down...). |
NirT | 1:e8fac4061a5b | 433 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 434 | * @param pGestureId : Pointer to get last touch gesture Identification. |
NirT | 1:e8fac4061a5b | 435 | * @retval None. |
NirT | 1:e8fac4061a5b | 436 | */ |
NirT | 1:e8fac4061a5b | 437 | void ft5336_TS_GetGestureID(uint16_t DeviceAddr, uint32_t * pGestureId) |
NirT | 1:e8fac4061a5b | 438 | { |
NirT | 1:e8fac4061a5b | 439 | volatile uint8_t ucReadData = 0; |
NirT | 1:e8fac4061a5b | 440 | |
NirT | 1:e8fac4061a5b | 441 | ucReadData = TS_IO_Read(DeviceAddr, FT5336_GEST_ID_REG); |
NirT | 1:e8fac4061a5b | 442 | |
NirT | 1:e8fac4061a5b | 443 | * pGestureId = ucReadData; |
NirT | 1:e8fac4061a5b | 444 | } |
NirT | 1:e8fac4061a5b | 445 | |
NirT | 1:e8fac4061a5b | 446 | /** |
NirT | 1:e8fac4061a5b | 447 | * @brief Get the touch detailed informations on touch number 'touchIdx' (0..1) |
NirT | 1:e8fac4061a5b | 448 | * This touch detailed information contains : |
NirT | 1:e8fac4061a5b | 449 | * - weight that was applied to this touch |
NirT | 1:e8fac4061a5b | 450 | * - sub-area of the touch in the touch panel |
NirT | 1:e8fac4061a5b | 451 | * - event of linked to the touch (press down, lift up, ...) |
NirT | 1:e8fac4061a5b | 452 | * @param DeviceAddr: Device address on communication Bus (I2C slave address of FT5336). |
NirT | 1:e8fac4061a5b | 453 | * @param touchIdx : Passed index of the touch (0..1) on which we want to get the |
NirT | 1:e8fac4061a5b | 454 | * detailed information. |
NirT | 1:e8fac4061a5b | 455 | * @param pWeight : Pointer to to get the weight information of 'touchIdx'. |
NirT | 1:e8fac4061a5b | 456 | * @param pArea : Pointer to to get the sub-area information of 'touchIdx'. |
NirT | 1:e8fac4061a5b | 457 | * @param pEvent : Pointer to to get the event information of 'touchIdx'. |
NirT | 1:e8fac4061a5b | 458 | |
NirT | 1:e8fac4061a5b | 459 | * @retval None. |
NirT | 1:e8fac4061a5b | 460 | */ |
NirT | 1:e8fac4061a5b | 461 | void ft5336_TS_GetTouchInfo(uint16_t DeviceAddr, |
NirT | 1:e8fac4061a5b | 462 | uint32_t touchIdx, |
NirT | 1:e8fac4061a5b | 463 | uint32_t * pWeight, |
NirT | 1:e8fac4061a5b | 464 | uint32_t * pArea, |
NirT | 1:e8fac4061a5b | 465 | uint32_t * pEvent) |
NirT | 1:e8fac4061a5b | 466 | { |
NirT | 1:e8fac4061a5b | 467 | volatile uint8_t ucReadData = 0; |
NirT | 1:e8fac4061a5b | 468 | uint8_t regAddressXHigh = 0; |
NirT | 1:e8fac4061a5b | 469 | uint8_t regAddressPWeight = 0; |
NirT | 1:e8fac4061a5b | 470 | uint8_t regAddressPMisc = 0; |
NirT | 1:e8fac4061a5b | 471 | |
NirT | 1:e8fac4061a5b | 472 | if(touchIdx < ft5336_handle.currActiveTouchNb) |
NirT | 1:e8fac4061a5b | 473 | { |
NirT | 1:e8fac4061a5b | 474 | switch(touchIdx) |
NirT | 1:e8fac4061a5b | 475 | { |
NirT | 1:e8fac4061a5b | 476 | case 0 : |
NirT | 1:e8fac4061a5b | 477 | regAddressXHigh = FT5336_P1_XH_REG; |
NirT | 1:e8fac4061a5b | 478 | regAddressPWeight = FT5336_P1_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 479 | regAddressPMisc = FT5336_P1_MISC_REG; |
NirT | 1:e8fac4061a5b | 480 | break; |
NirT | 1:e8fac4061a5b | 481 | |
NirT | 1:e8fac4061a5b | 482 | case 1 : |
NirT | 1:e8fac4061a5b | 483 | regAddressXHigh = FT5336_P2_XH_REG; |
NirT | 1:e8fac4061a5b | 484 | regAddressPWeight = FT5336_P2_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 485 | regAddressPMisc = FT5336_P2_MISC_REG; |
NirT | 1:e8fac4061a5b | 486 | break; |
NirT | 1:e8fac4061a5b | 487 | |
NirT | 1:e8fac4061a5b | 488 | case 2 : |
NirT | 1:e8fac4061a5b | 489 | regAddressXHigh = FT5336_P3_XH_REG; |
NirT | 1:e8fac4061a5b | 490 | regAddressPWeight = FT5336_P3_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 491 | regAddressPMisc = FT5336_P3_MISC_REG; |
NirT | 1:e8fac4061a5b | 492 | break; |
NirT | 1:e8fac4061a5b | 493 | |
NirT | 1:e8fac4061a5b | 494 | case 3 : |
NirT | 1:e8fac4061a5b | 495 | regAddressXHigh = FT5336_P4_XH_REG; |
NirT | 1:e8fac4061a5b | 496 | regAddressPWeight = FT5336_P4_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 497 | regAddressPMisc = FT5336_P4_MISC_REG; |
NirT | 1:e8fac4061a5b | 498 | break; |
NirT | 1:e8fac4061a5b | 499 | |
NirT | 1:e8fac4061a5b | 500 | case 4 : |
NirT | 1:e8fac4061a5b | 501 | regAddressXHigh = FT5336_P5_XH_REG; |
NirT | 1:e8fac4061a5b | 502 | regAddressPWeight = FT5336_P5_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 503 | regAddressPMisc = FT5336_P5_MISC_REG; |
NirT | 1:e8fac4061a5b | 504 | break; |
NirT | 1:e8fac4061a5b | 505 | |
NirT | 1:e8fac4061a5b | 506 | case 5 : |
NirT | 1:e8fac4061a5b | 507 | regAddressXHigh = FT5336_P6_XH_REG; |
NirT | 1:e8fac4061a5b | 508 | regAddressPWeight = FT5336_P6_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 509 | regAddressPMisc = FT5336_P6_MISC_REG; |
NirT | 1:e8fac4061a5b | 510 | break; |
NirT | 1:e8fac4061a5b | 511 | |
NirT | 1:e8fac4061a5b | 512 | case 6 : |
NirT | 1:e8fac4061a5b | 513 | regAddressXHigh = FT5336_P7_XH_REG; |
NirT | 1:e8fac4061a5b | 514 | regAddressPWeight = FT5336_P7_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 515 | regAddressPMisc = FT5336_P7_MISC_REG; |
NirT | 1:e8fac4061a5b | 516 | break; |
NirT | 1:e8fac4061a5b | 517 | |
NirT | 1:e8fac4061a5b | 518 | case 7 : |
NirT | 1:e8fac4061a5b | 519 | regAddressXHigh = FT5336_P8_XH_REG; |
NirT | 1:e8fac4061a5b | 520 | regAddressPWeight = FT5336_P8_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 521 | regAddressPMisc = FT5336_P8_MISC_REG; |
NirT | 1:e8fac4061a5b | 522 | break; |
NirT | 1:e8fac4061a5b | 523 | |
NirT | 1:e8fac4061a5b | 524 | case 8 : |
NirT | 1:e8fac4061a5b | 525 | regAddressXHigh = FT5336_P9_XH_REG; |
NirT | 1:e8fac4061a5b | 526 | regAddressPWeight = FT5336_P9_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 527 | regAddressPMisc = FT5336_P9_MISC_REG; |
NirT | 1:e8fac4061a5b | 528 | break; |
NirT | 1:e8fac4061a5b | 529 | |
NirT | 1:e8fac4061a5b | 530 | case 9 : |
NirT | 1:e8fac4061a5b | 531 | regAddressXHigh = FT5336_P10_XH_REG; |
NirT | 1:e8fac4061a5b | 532 | regAddressPWeight = FT5336_P10_WEIGHT_REG; |
NirT | 1:e8fac4061a5b | 533 | regAddressPMisc = FT5336_P10_MISC_REG; |
NirT | 1:e8fac4061a5b | 534 | break; |
NirT | 1:e8fac4061a5b | 535 | |
NirT | 1:e8fac4061a5b | 536 | default : |
NirT | 1:e8fac4061a5b | 537 | break; |
NirT | 1:e8fac4061a5b | 538 | |
NirT | 1:e8fac4061a5b | 539 | } /* end switch(touchIdx) */ |
NirT | 1:e8fac4061a5b | 540 | |
NirT | 1:e8fac4061a5b | 541 | /* Read Event Id of touch index */ |
NirT | 1:e8fac4061a5b | 542 | ucReadData = TS_IO_Read(DeviceAddr, regAddressXHigh); |
NirT | 1:e8fac4061a5b | 543 | * pEvent = (ucReadData & FT5336_TOUCH_EVT_FLAG_MASK) >> FT5336_TOUCH_EVT_FLAG_SHIFT; |
NirT | 1:e8fac4061a5b | 544 | |
NirT | 1:e8fac4061a5b | 545 | /* Read weight of touch index */ |
NirT | 1:e8fac4061a5b | 546 | ucReadData = TS_IO_Read(DeviceAddr, regAddressPWeight); |
NirT | 1:e8fac4061a5b | 547 | * pWeight = (ucReadData & FT5336_TOUCH_WEIGHT_MASK) >> FT5336_TOUCH_WEIGHT_SHIFT; |
NirT | 1:e8fac4061a5b | 548 | |
NirT | 1:e8fac4061a5b | 549 | /* Read area of touch index */ |
NirT | 1:e8fac4061a5b | 550 | ucReadData = TS_IO_Read(DeviceAddr, regAddressPMisc); |
NirT | 1:e8fac4061a5b | 551 | * pArea = (ucReadData & FT5336_TOUCH_AREA_MASK) >> FT5336_TOUCH_AREA_SHIFT; |
NirT | 1:e8fac4061a5b | 552 | |
NirT | 1:e8fac4061a5b | 553 | } /* of if(touchIdx < ft5336_handle.currActiveTouchNb) */ |
NirT | 1:e8fac4061a5b | 554 | } |
NirT | 1:e8fac4061a5b | 555 | |
NirT | 1:e8fac4061a5b | 556 | #endif /* TS_MULTI_TOUCH_SUPPORTED == 1 */ |
NirT | 1:e8fac4061a5b | 557 | |
NirT | 1:e8fac4061a5b | 558 | /** @defgroup ft5336_Static_Function_Body |
NirT | 1:e8fac4061a5b | 559 | * @{ |
NirT | 1:e8fac4061a5b | 560 | */ |
NirT | 1:e8fac4061a5b | 561 | |
NirT | 1:e8fac4061a5b | 562 | /* Static functions bodies-----------------------------------------------*/ |
NirT | 1:e8fac4061a5b | 563 | |
NirT | 1:e8fac4061a5b | 564 | |
NirT | 1:e8fac4061a5b | 565 | /** |
NirT | 1:e8fac4061a5b | 566 | * @brief Return the status of I2C was initialized or not. |
NirT | 1:e8fac4061a5b | 567 | * @param None. |
NirT | 1:e8fac4061a5b | 568 | * @retval : I2C initialization status. |
NirT | 1:e8fac4061a5b | 569 | */ |
NirT | 1:e8fac4061a5b | 570 | static uint8_t ft5336_Get_I2C_InitializedStatus(void) |
NirT | 1:e8fac4061a5b | 571 | { |
NirT | 1:e8fac4061a5b | 572 | return(ft5336_handle.i2cInitialized); |
NirT | 1:e8fac4061a5b | 573 | } |
NirT | 1:e8fac4061a5b | 574 | |
NirT | 1:e8fac4061a5b | 575 | /** |
NirT | 1:e8fac4061a5b | 576 | * @brief I2C initialize if needed. |
NirT | 1:e8fac4061a5b | 577 | * @param None. |
NirT | 1:e8fac4061a5b | 578 | * @retval : None. |
NirT | 1:e8fac4061a5b | 579 | */ |
NirT | 1:e8fac4061a5b | 580 | static void ft5336_I2C_InitializeIfRequired(void) |
NirT | 1:e8fac4061a5b | 581 | { |
NirT | 1:e8fac4061a5b | 582 | if(ft5336_Get_I2C_InitializedStatus() == FT5336_I2C_NOT_INITIALIZED) |
NirT | 1:e8fac4061a5b | 583 | { |
NirT | 1:e8fac4061a5b | 584 | /* Initialize TS IO BUS layer (I2C) */ |
NirT | 1:e8fac4061a5b | 585 | TS_IO_Init(); |
NirT | 1:e8fac4061a5b | 586 | |
NirT | 1:e8fac4061a5b | 587 | /* Set state to initialized */ |
NirT | 1:e8fac4061a5b | 588 | ft5336_handle.i2cInitialized = FT5336_I2C_INITIALIZED; |
NirT | 1:e8fac4061a5b | 589 | } |
NirT | 1:e8fac4061a5b | 590 | } |
NirT | 1:e8fac4061a5b | 591 | |
NirT | 1:e8fac4061a5b | 592 | /** |
NirT | 1:e8fac4061a5b | 593 | * @brief Basic static configuration of TouchScreen |
NirT | 1:e8fac4061a5b | 594 | * @param DeviceAddr: FT5336 Device address for communication on I2C Bus. |
NirT | 1:e8fac4061a5b | 595 | * @retval Status FT5336_STATUS_OK or FT5336_STATUS_NOT_OK. |
NirT | 1:e8fac4061a5b | 596 | */ |
NirT | 1:e8fac4061a5b | 597 | static uint32_t ft5336_TS_Configure(uint16_t DeviceAddr) |
NirT | 1:e8fac4061a5b | 598 | { |
NirT | 1:e8fac4061a5b | 599 | uint32_t status = FT5336_STATUS_OK; |
NirT | 1:e8fac4061a5b | 600 | |
NirT | 1:e8fac4061a5b | 601 | /* Nothing special to be done for FT5336 */ |
NirT | 1:e8fac4061a5b | 602 | |
NirT | 1:e8fac4061a5b | 603 | return(status); |
NirT | 1:e8fac4061a5b | 604 | } |
NirT | 1:e8fac4061a5b | 605 | |
NirT | 1:e8fac4061a5b | 606 | /** |
NirT | 1:e8fac4061a5b | 607 | * @} |
NirT | 1:e8fac4061a5b | 608 | */ |
NirT | 1:e8fac4061a5b | 609 | |
NirT | 1:e8fac4061a5b | 610 | /** |
NirT | 1:e8fac4061a5b | 611 | * @} |
NirT | 1:e8fac4061a5b | 612 | */ |
NirT | 1:e8fac4061a5b | 613 | |
NirT | 1:e8fac4061a5b | 614 | /** |
NirT | 1:e8fac4061a5b | 615 | * @} |
NirT | 1:e8fac4061a5b | 616 | */ |
NirT | 1:e8fac4061a5b | 617 | |
NirT | 1:e8fac4061a5b | 618 | /** |
NirT | 1:e8fac4061a5b | 619 | * @} |
NirT | 1:e8fac4061a5b | 620 | */ |
NirT | 1:e8fac4061a5b | 621 | |
NirT | 1:e8fac4061a5b | 622 | /** |
NirT | 1:e8fac4061a5b | 623 | * @} |
NirT | 1:e8fac4061a5b | 624 | */ |
NirT | 1:e8fac4061a5b | 625 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |