[imxrt 1060] support touchpad

Signed-off-by: NTing Liu <ting.liu@nxp.com>

bsp/imxrt/imxrt1060-nxp-evk/applications/lvgl/lv_port_indev.c

 /*
  * Copyright (c) 2006-2022, RT-Thread Development Team
+ * Copyright 2022 NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
  * 2021-10-18     Meco Man     The first version
+ * 2022-05-17     Ting Liu     Support touchpad
  */
 
+#define LOG_TAG             "LVGL.port.indev"
+#include <drv_log.h>
+
+#include "lvgl.h"
+
+#include "board.h"
+#include "fsl_video_common.h"
+#include "fsl_lpi2c.h"
+#include "fsl_gpio.h"
+#ifdef DEMO_PANEL_RK043FN66HS
+#include "fsl_gt911.h"
+#else
+#include "fsl_ft5406_rt.h"
+#endif
+
+#if LV_USE_GPU_NXP_PXP
+#include "src/gpu/lv_gpu_nxp_pxp.h"
+#include "src/gpu/lv_gpu_nxp_pxp_osa.h"
+#endif
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/* @Brief Board touch panel configuration */
+#define BOARD_TOUCH_I2C_BASEADDR LPI2C1
+#define BOARD_TOUCH_RST_GPIO     GPIO1
+#define BOARD_TOUCH_RST_PIN      2
+#define BOARD_TOUCH_INT_GPIO     GPIO1
+#define BOARD_TOUCH_INT_PIN      11
+
+/* Macros for the touch touch controller. */
+#define TOUCH_I2C LPI2C1
+
+/* Select USB1 PLL (480 MHz) as master lpi2c clock source */
+#define TOUCH_LPI2C_CLOCK_SOURCE_SELECT (0U)
+/* Clock divider for master lpi2c clock source */
+#define TOUCH_LPI2C_CLOCK_SOURCE_DIVIDER (5U)
+
+#define TOUCH_I2C_CLOCK_FREQ ((CLOCK_GetFreq(kCLOCK_Usb1PllClk) / 8) / (TOUCH_LPI2C_CLOCK_SOURCE_DIVIDER + 1U))
+#define TOUCH_I2C_BAUDRATE   100000U
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+static void DEMO_InitTouch(void);
+
+static void DEMO_ReadTouch(lv_indev_drv_t *drv, lv_indev_data_t *data);
+#ifdef DEMO_PANEL_RK043FN66HS
+static void BOARD_PullTouchResetPin(bool pullUp);
+
+static void BOARD_ConfigTouchIntPin(gt911_int_pin_mode_t mode);
+#endif
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+#ifdef DEMO_PANEL_RK043FN66HS
+static gt911_handle_t s_touchHandle;
+static const gt911_config_t s_touchConfig = {
+    .I2C_SendFunc     = BOARD_Touch_I2C_Send,
+    .I2C_ReceiveFunc  = BOARD_Touch_I2C_Receive,
+    .pullResetPinFunc = BOARD_PullTouchResetPin,
+    .intPinFunc       = BOARD_ConfigTouchIntPin,
+    .timeDelayMsFunc  = VIDEO_DelayMs,
+    .touchPointNum    = 1,
+    .i2cAddrMode      = kGT911_I2cAddrMode0,
+    .intTrigMode      = kGT911_IntRisingEdge,
+};
+static int s_touchResolutionX;
+static int s_touchResolutionY;
+#else
+static ft5406_rt_handle_t touchHandle;
+#endif
+
 void lv_port_indev_init(void)
 {
+    static lv_indev_drv_t indev_drv;
+
+    /*------------------
+     * Touchpad
+     * -----------------*/
+
+    /*Initialize your touchpad */
+    DEMO_InitTouch();
+
+    /*Register a touchpad input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type    = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = DEMO_ReadTouch;
+    lv_indev_drv_register(&indev_drv);
+}
+
+#ifdef DEMO_PANEL_RK043FN66HS
+static void BOARD_PullTouchResetPin(bool pullUp)
+{
+    if (pullUp)
+    {
+        GPIO_PinWrite(BOARD_TOUCH_RST_GPIO, BOARD_TOUCH_RST_PIN, 1);
+    }
+    else
+    {
+        GPIO_PinWrite(BOARD_TOUCH_RST_GPIO, BOARD_TOUCH_RST_PIN, 0);
+    }
+}
+
+static void BOARD_ConfigTouchIntPin(gt911_int_pin_mode_t mode)
+{
+    if (mode == kGT911_IntPinInput)
+    {
+        BOARD_TOUCH_INT_GPIO->GDIR &= ~(1UL << BOARD_TOUCH_INT_PIN);
+    }
+    else
+    {
+        if (mode == kGT911_IntPinPullDown)
+        {
+            GPIO_PinWrite(BOARD_TOUCH_INT_GPIO, BOARD_TOUCH_INT_PIN, 0);
+        }
+        else
+        {
+            GPIO_PinWrite(BOARD_TOUCH_INT_GPIO, BOARD_TOUCH_INT_PIN, 1);
+        }
+
+        BOARD_TOUCH_INT_GPIO->GDIR |= (1UL << BOARD_TOUCH_INT_PIN);
+    }
+}
+
+/*Initialize your touchpad*/
+static void DEMO_InitTouch(void)
+{
+    status_t status;
+
+    const gpio_pin_config_t resetPinConfig = {
+        .direction = kGPIO_DigitalOutput, .outputLogic = 0, .interruptMode = kGPIO_NoIntmode};
+    GPIO_PinInit(BOARD_TOUCH_INT_GPIO, BOARD_TOUCH_INT_PIN, &resetPinConfig);
+    GPIO_PinInit(BOARD_TOUCH_RST_GPIO, BOARD_TOUCH_RST_PIN, &resetPinConfig);
+
+    /*Clock setting for LPI2C*/
+    CLOCK_SetMux(kCLOCK_Lpi2cMux, TOUCH_LPI2C_CLOCK_SOURCE_SELECT);
+    CLOCK_SetDiv(kCLOCK_Lpi2cDiv, TOUCH_LPI2C_CLOCK_SOURCE_DIVIDER);
+
+    BOARD_LPI2C_Init(TOUCH_I2C, TOUCH_I2C_CLOCK_FREQ);
+
+    status = GT911_Init(&s_touchHandle, &s_touchConfig);
+
+    if (kStatus_Success != status)
+    {
+        //PRINTF("Touch IC initialization failed\r\n");
+        assert(false);
+    }
+
+    GT911_GetResolution(&s_touchHandle, &s_touchResolutionX, &s_touchResolutionY);
+}
+
+/* Will be called by the library to read the touchpad */
+static void DEMO_ReadTouch(lv_indev_drv_t *drv, lv_indev_data_t *data)
+{
+    static int touch_x = 0;
+    static int touch_y = 0;
+
+    if (kStatus_Success == GT911_GetSingleTouch(&s_touchHandle, &touch_x, &touch_y))
+    {
+        data->state = LV_INDEV_STATE_PR;
+    }
+    else
+    {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    /*Set the last pressed coordinates*/
+    data->point.x = touch_x * LCD_WIDTH / s_touchResolutionX;
+    data->point.y = touch_y * LCD_HEIGHT / s_touchResolutionY;
+}
+#else
+/*Initialize your touchpad*/
+static void DEMO_InitTouch(void)
+{
+    status_t status;
+
+    lpi2c_master_config_t masterConfig = {0};
+
+    /*Clock setting for LPI2C*/
+    CLOCK_SetMux(kCLOCK_Lpi2cMux, TOUCH_LPI2C_CLOCK_SOURCE_SELECT);
+    CLOCK_SetDiv(kCLOCK_Lpi2cDiv, TOUCH_LPI2C_CLOCK_SOURCE_DIVIDER);
+
+    /*
+     * masterConfig.debugEnable = false;
+     * masterConfig.ignoreAck = false;
+     * masterConfig.pinConfig = kLPI2C_2PinOpenDrain;
+     * masterConfig.baudRate_Hz = 100000U;
+     * masterConfig.busIdleTimeout_ns = 0;
+     * masterConfig.pinLowTimeout_ns = 0;
+     * masterConfig.sdaGlitchFilterWidth_ns = 0;
+     * masterConfig.sclGlitchFilterWidth_ns = 0;
+     */
+    LPI2C_MasterGetDefaultConfig(&masterConfig);
+
+    /* Change the default baudrate configuration */
+    masterConfig.baudRate_Hz = TOUCH_I2C_BAUDRATE;
+
+    /* Initialize the LPI2C master peripheral */
+    LPI2C_MasterInit(TOUCH_I2C, &masterConfig, TOUCH_I2C_CLOCK_FREQ);
+
+    /* Initialize touch panel controller */
+    status = FT5406_RT_Init(&touchHandle, TOUCH_I2C);
+    if (status != kStatus_Success)
+    {
+        //PRINTF("Touch panel init failed\n");
+        assert(0);
+    }
+}
+
+/* Will be called by the library to read the touchpad */
+static void DEMO_ReadTouch(lv_indev_drv_t *drv, lv_indev_data_t *data)
+{
+    touch_event_t touch_event;
+    static int touch_x = 0;
+    static int touch_y = 0;
+
+    data->state = LV_INDEV_STATE_REL;
+
+    if (kStatus_Success == FT5406_RT_GetSingleTouch(&touchHandle, &touch_event, &touch_x, &touch_y))
+    {
+        if ((touch_event == kTouch_Down) || (touch_event == kTouch_Contact))
+        {
+            data->state = LV_INDEV_STATE_PR;
+        }
+    }
+
+    /*Set the last pressed coordinates*/
+    data->point.x = touch_y;
+    data->point.y = touch_x;
 }
+#endif

bsp/imxrt/imxrt1060-nxp-evk/board/Kconfig

@@ -68,11 +68,32 @@ menu "Onboard Peripheral Drivers"
                 default 2
         endif
 
+    menuconfig BSP_USING_TOUCHPAD
+        bool "Enable TOUCHPAD"
+        select BSP_USING_PXP
+        select BSP_USING_CACHE
+        select BSP_USING_I2C
+        select BSP_USING_LCD
+        default n
+        if BSP_USING_TOUCHPAD
+            choice
+                prompt "Select panel"
+                default DEMO_PANEL_RK043FN02H
+
+                config DEMO_PANEL_RK043FN02H
+                    bool "RK043FN02H-CT"
+
+                config DEMO_PANEL_RK043FN66HS
+                    bool "RK043FN66HS-CTG"
+            endchoice
+        endif
+
     config BSP_USING_LVGL
         bool "Enable LVGL for LCD"
         select BSP_USING_PXP
         select BSP_USING_CACHE
         select BSP_USING_LCD
+        select BSP_USING_TOUCHPAD
         select PKG_USING_LVGL
         default n
 
@@ -100,6 +121,26 @@ menu "On-chip Peripheral Drivers"
         select RT_USING_PIN
         default y
 
+    menuconfig BSP_USING_I2C
+        bool "Enable I2C"
+        select RT_USING_I2C
+        default y
+        if BSP_USING_I2C
+            config BSP_USING_I2C1
+                bool
+                default y
+            choice
+                prompt "Select I2C1 badurate"
+                default HW_I2C1_BADURATE_100kHZ
+
+                config HW_I2C1_BADURATE_100kHZ
+                    bool "Badurate 100kHZ"
+
+                config HW_I2C1_BADURATE_400kHZ
+                    bool "Badurate 400kHZ"
+            endchoice
+        endif
+
     menuconfig BSP_USING_LPUART
         bool "Enable UART"
         select RT_USING_SERIAL

bsp/imxrt/imxrt1060-nxp-evk/board/SConscript

@@ -12,6 +12,9 @@ MCUX_Config/pin_mux.c
 MCUX_Config/dcd.c
 """)
 
+if GetDepend(['BSP_USING_TOUCHPAD']):
+    src += ['ports/touchpad.c']
+
 CPPPATH = [cwd,cwd + '/MCUX_Config',cwd + '/ports']
 
 CPPDEFINES = ['CPU_MIMXRT1062DVL6A', 'SKIP_SYSCLK_INIT', 'EVK_MCIMXRM', 'FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1','XIP_EXTERNAL_FLASH=1', 'XIP_BOOT_HEADER_ENABLE=1', 'FSL_SDK_DRIVER_QUICK_ACCESS_ENABLE=1', 'XIP_BOOT_HEADER_DCD_ENABLE=1', 'DATA_SECTION_IS_CACHEABLE=1']

bsp/imxrt/imxrt1060-nxp-evk/board/ports/touchpad.c

+/*
+ * Copyright 2022 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "touchpad.h"
+
+void BOARD_LPI2C_Init(LPI2C_Type *base, uint32_t clkSrc_Hz)
+{
+    lpi2c_master_config_t lpi2cConfig = {0};
+
+    /*
+     * lpi2cConfig.debugEnable = false;
+     * lpi2cConfig.ignoreAck = false;
+     * lpi2cConfig.pinConfig = kLPI2C_2PinOpenDrain;
+     * lpi2cConfig.baudRate_Hz = 100000U;
+     * lpi2cConfig.busIdleTimeout_ns = 0;
+     * lpi2cConfig.pinLowTimeout_ns = 0;
+     * lpi2cConfig.sdaGlitchFilterWidth_ns = 0;
+     * lpi2cConfig.sclGlitchFilterWidth_ns = 0;
+     */
+    LPI2C_MasterGetDefaultConfig(&lpi2cConfig);
+    LPI2C_MasterInit(base, &lpi2cConfig, clkSrc_Hz);
+}
+
+status_t BOARD_LPI2C_Send(LPI2C_Type *base,
+                          uint8_t deviceAddress,
+                          uint32_t subAddress,
+                          uint8_t subAddressSize,
+                          uint8_t *txBuff,
+                          uint8_t txBuffSize)
+{
+    lpi2c_master_transfer_t xfer;
+
+    xfer.flags          = kLPI2C_TransferDefaultFlag;
+    xfer.slaveAddress   = deviceAddress;
+    xfer.direction      = kLPI2C_Write;
+    xfer.subaddress     = subAddress;
+    xfer.subaddressSize = subAddressSize;
+    xfer.data           = txBuff;
+    xfer.dataSize       = txBuffSize;
+
+    return LPI2C_MasterTransferBlocking(base, &xfer);
+}
+
+status_t BOARD_LPI2C_Receive(LPI2C_Type *base,
+                             uint8_t deviceAddress,
+                             uint32_t subAddress,
+                             uint8_t subAddressSize,
+                             uint8_t *rxBuff,
+                             uint8_t rxBuffSize)
+{
+    lpi2c_master_transfer_t xfer;
+
+    xfer.flags          = kLPI2C_TransferDefaultFlag;
+    xfer.slaveAddress   = deviceAddress;
+    xfer.direction      = kLPI2C_Read;
+    xfer.subaddress     = subAddress;
+    xfer.subaddressSize = subAddressSize;
+    xfer.data           = rxBuff;
+    xfer.dataSize       = rxBuffSize;
+
+    return LPI2C_MasterTransferBlocking(base, &xfer);
+}
+
+status_t BOARD_LPI2C_SendSCCB(LPI2C_Type *base,
+                              uint8_t deviceAddress,
+                              uint32_t subAddress,
+                              uint8_t subAddressSize,
+                              uint8_t *txBuff,
+                              uint8_t txBuffSize)
+{
+    lpi2c_master_transfer_t xfer;
+
+    xfer.flags          = kLPI2C_TransferDefaultFlag;
+    xfer.slaveAddress   = deviceAddress;
+    xfer.direction      = kLPI2C_Write;
+    xfer.subaddress     = subAddress;
+    xfer.subaddressSize = subAddressSize;
+    xfer.data           = txBuff;
+    xfer.dataSize       = txBuffSize;
+
+    return LPI2C_MasterTransferBlocking(base, &xfer);
+}
+
+status_t BOARD_LPI2C_ReceiveSCCB(LPI2C_Type *base,
+                                 uint8_t deviceAddress,
+                                 uint32_t subAddress,
+                                 uint8_t subAddressSize,
+                                 uint8_t *rxBuff,
+                                 uint8_t rxBuffSize)
+{
+    status_t status;
+    lpi2c_master_transfer_t xfer;
+
+    xfer.flags          = kLPI2C_TransferDefaultFlag;
+    xfer.slaveAddress   = deviceAddress;
+    xfer.direction      = kLPI2C_Write;
+    xfer.subaddress     = subAddress;
+    xfer.subaddressSize = subAddressSize;
+    xfer.data           = NULL;
+    xfer.dataSize       = 0;
+
+    status = LPI2C_MasterTransferBlocking(base, &xfer);
+
+    if (kStatus_Success == status)
+    {
+        xfer.subaddressSize = 0;
+        xfer.direction      = kLPI2C_Read;
+        xfer.data           = rxBuff;
+        xfer.dataSize       = rxBuffSize;
+
+        status = LPI2C_MasterTransferBlocking(base, &xfer);
+    }
+
+    return status;
+}
+
+status_t BOARD_Touch_I2C_Send(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize)
+{
+    return BOARD_LPI2C_Send(BOARD_TOUCH_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, (uint8_t *)txBuff,
+                            txBuffSize);
+}
+
+status_t BOARD_Touch_I2C_Receive(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize)
+{
+    return BOARD_LPI2C_Receive(BOARD_TOUCH_I2C_BASEADDR, deviceAddress, subAddress, subAddressSize, rxBuff, rxBuffSize);
+}

bsp/imxrt/imxrt1060-nxp-evk/board/ports/touchpad.h

+/*
+ * Copyright 2022 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __TOUCHPAD_PORT_H__
+#define __TOUCHPAD_PORT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "fsl_common.h"
+#include "clock_config.h"
+#include "fsl_lpi2c.h"
+#include "fsl_gpio.h"
+
+/* @Brief Board touch panel configuration */
+#define BOARD_TOUCH_I2C_BASEADDR LPI2C1
+#define BOARD_TOUCH_RST_GPIO     GPIO1
+#define BOARD_TOUCH_RST_PIN      2
+#define BOARD_TOUCH_INT_GPIO     GPIO1
+#define BOARD_TOUCH_INT_PIN      11
+
+void BOARD_LPI2C_Init(LPI2C_Type *base, uint32_t clkSrc_Hz);
+status_t BOARD_LPI2C_Send(LPI2C_Type *base,
+                          uint8_t deviceAddress,
+                          uint32_t subAddress,
+                          uint8_t subaddressSize,
+                          uint8_t *txBuff,
+                          uint8_t txBuffSize);
+status_t BOARD_LPI2C_Receive(LPI2C_Type *base,
+                             uint8_t deviceAddress,
+                             uint32_t subAddress,
+                             uint8_t subaddressSize,
+                             uint8_t *rxBuff,
+                             uint8_t rxBuffSize);
+status_t BOARD_LPI2C_SendSCCB(LPI2C_Type *base,
+                              uint8_t deviceAddress,
+                              uint32_t subAddress,
+                              uint8_t subaddressSize,
+                              uint8_t *txBuff,
+                              uint8_t txBuffSize);
+status_t BOARD_LPI2C_ReceiveSCCB(LPI2C_Type *base,
+                                 uint8_t deviceAddress,
+                                 uint32_t subAddress,
+                                 uint8_t subaddressSize,
+                                 uint8_t *rxBuff,
+                                 uint8_t rxBuffSize);
+status_t BOARD_Touch_I2C_Send(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, const uint8_t *txBuff, uint8_t txBuffSize);
+status_t BOARD_Touch_I2C_Receive(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subAddressSize, uint8_t *rxBuff, uint8_t rxBuffSize);
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_ft5406_rt.c

+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2019 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_common.h"
+#include "fsl_lpi2c.h"
+#include "fsl_ft5406_rt.h"
+
+typedef struct _ft5406_rt_touch_point
+{
+    uint8_t XH;
+    uint8_t XL;
+    uint8_t YH;
+    uint8_t YL;
+    uint8_t RESERVED[2];
+} ft5406_rt_touch_point_t;
+
+typedef struct _ft5406_rt_touch_data
+{
+    uint8_t GEST_ID;
+    uint8_t TD_STATUS;
+    ft5406_rt_touch_point_t TOUCH[FT5406_RT_MAX_TOUCHES];
+} ft5406_rt_touch_data_t;
+
+#define TOUCH_POINT_GET_EVENT(T) ((touch_event_t)((T).XH >> 6))
+#define TOUCH_POINT_GET_ID(T)    ((T).YH >> 4)
+#define TOUCH_POINT_GET_X(T)     ((((T).XH & 0x0f) << 8) | (T).XL)
+#define TOUCH_POINT_GET_Y(T)     ((((T).YH & 0x0f) << 8) | (T).YL)
+
+status_t FT5406_RT_Init(ft5406_rt_handle_t *handle, LPI2C_Type *base)
+{
+    lpi2c_master_transfer_t *xfer = &(handle->xfer);
+    status_t status;
+    uint8_t mode;
+
+    assert(handle);
+    assert(base);
+
+    if (!handle || !base)
+    {
+        return kStatus_InvalidArgument;
+    }
+
+    handle->base = base;
+
+    /* clear transfer structure and buffer */
+    memset(xfer, 0, sizeof(*xfer));
+    memset(handle->touch_buf, 0, FT5406_RT_TOUCH_DATA_LEN);
+
+    /* set device mode to normal operation */
+    mode                 = 0;
+    xfer->slaveAddress   = FT5406_RT_I2C_ADDRESS;
+    xfer->direction      = kLPI2C_Write;
+    xfer->subaddress     = 0;
+    xfer->subaddressSize = 1;
+    xfer->data           = &mode;
+    xfer->dataSize       = 1;
+    xfer->flags          = kLPI2C_TransferDefaultFlag;
+
+    status = LPI2C_MasterTransferBlocking(handle->base, &handle->xfer);
+
+    /* prepare transfer structure for reading touch data */
+    xfer->slaveAddress   = FT5406_RT_I2C_ADDRESS;
+    xfer->direction      = kLPI2C_Read;
+    xfer->subaddress     = 1;
+    xfer->subaddressSize = 1;
+    xfer->data           = handle->touch_buf;
+    xfer->dataSize       = FT5406_RT_TOUCH_DATA_LEN;
+    xfer->flags          = kLPI2C_TransferDefaultFlag;
+
+    return status;
+}
+
+status_t FT5406_RT_Denit(ft5406_rt_handle_t *handle)
+{
+    assert(handle);
+
+    if (!handle)
+    {
+        return kStatus_InvalidArgument;
+    }
+
+    handle->base = NULL;
+    return kStatus_Success;
+}
+
+status_t FT5406_RT_ReadTouchData(ft5406_rt_handle_t *handle)
+{
+    assert(handle);
+
+    if (!handle)
+    {
+        return kStatus_InvalidArgument;
+    }
+
+    return LPI2C_MasterTransferBlocking(handle->base, &handle->xfer);
+}
+
+status_t FT5406_RT_GetSingleTouch(ft5406_rt_handle_t *handle, touch_event_t *touch_event, int *touch_x, int *touch_y)
+{
+    status_t status;
+    touch_event_t touch_event_local;
+
+    status = FT5406_RT_ReadTouchData(handle);
+
+    if (status == kStatus_Success)
+    {
+        ft5406_rt_touch_data_t *touch_data = (ft5406_rt_touch_data_t *)(void *)(handle->touch_buf);
+
+        if (touch_event == NULL)
+        {
+            touch_event = &touch_event_local;
+        }
+        *touch_event = TOUCH_POINT_GET_EVENT(touch_data->TOUCH[0]);
+
+        /* Update coordinates only if there is touch detected */
+        if ((*touch_event == kTouch_Down) || (*touch_event == kTouch_Contact))
+        {
+            if (touch_x)
+            {
+                *touch_x = TOUCH_POINT_GET_X(touch_data->TOUCH[0]);
+            }
+            if (touch_y)
+            {
+                *touch_y = TOUCH_POINT_GET_Y(touch_data->TOUCH[0]);
+            }
+        }
+    }
+
+    return status;
+}
+
+status_t FT5406_RT_GetMultiTouch(ft5406_rt_handle_t *handle,
+                                 int *touch_count,
+                                 touch_point_t touch_array[FT5406_RT_MAX_TOUCHES])
+{
+    status_t status;
+
+    status = FT5406_RT_ReadTouchData(handle);
+
+    if (status == kStatus_Success)
+    {
+        ft5406_rt_touch_data_t *touch_data = (ft5406_rt_touch_data_t *)(void *)(handle->touch_buf);
+        int i;
+
+        /* Check for valid number of touches - otherwise ignore touch information */
+        if (touch_data->TD_STATUS > FT5406_RT_MAX_TOUCHES)
+        {
+            touch_data->TD_STATUS = 0;
+        }
+
+        /* Decode number of touches */
+        if (touch_count)
+        {
+            *touch_count = touch_data->TD_STATUS;
+        }
+
+        /* Decode valid touch points */
+        for (i = 0; i < touch_data->TD_STATUS; i++)
+        {
+            touch_array[i].TOUCH_ID    = TOUCH_POINT_GET_ID(touch_data->TOUCH[i]);
+            touch_array[i].TOUCH_EVENT = TOUCH_POINT_GET_EVENT(touch_data->TOUCH[i]);
+            touch_array[i].TOUCH_X     = TOUCH_POINT_GET_X(touch_data->TOUCH[i]);
+            touch_array[i].TOUCH_Y     = TOUCH_POINT_GET_Y(touch_data->TOUCH[i]);
+        }
+
+        /* Clear vacant elements of touch_array */
+        for (; i < FT5406_RT_MAX_TOUCHES; i++)
+        {
+            touch_array[i].TOUCH_ID    = 0;
+            touch_array[i].TOUCH_EVENT = kTouch_Reserved;
+            touch_array[i].TOUCH_X     = 0;
+            touch_array[i].TOUCH_Y     = 0;
+        }
+    }
+
+    return status;
+}

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_ft5406_rt.h

+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_FT5406_RT_H_
+#define _FSL_FT5406_RT_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup ft5406_rt
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @brief FT5406_RT I2C address. */
+#define FT5406_RT_I2C_ADDRESS (0x38)
+
+/*! @brief FT5406_RT maximum number of simultaneously detected touches. */
+#define FT5406_RT_MAX_TOUCHES (5U)
+
+/*! @brief FT5406_RT register address where touch data begin. */
+#define FT5406_RT_TOUCH_DATA_SUBADDR (1)
+
+/*! @brief FT5406_RT raw touch data length. */
+#define FT5406_RT_TOUCH_DATA_LEN (0x20)
+
+typedef enum _touch_event
+{
+    kTouch_Down     = 0, /*!< The state changed to touched. */
+    kTouch_Up       = 1, /*!< The state changed to not touched. */
+    kTouch_Contact  = 2, /*!< There is a continuous touch being detected. */
+    kTouch_Reserved = 3  /*!< No touch information available. */
+} touch_event_t;
+
+typedef struct _touch_point
+{
+    touch_event_t TOUCH_EVENT; /*!< Indicates the state or event of the touch point. */
+    uint8_t TOUCH_ID; /*!< Id of the touch point. This numeric value stays constant between down and up event. */
+    uint16_t TOUCH_X; /*!< X coordinate of the touch point */
+    uint16_t TOUCH_Y; /*!< Y coordinate of the touch point */
+} touch_point_t;
+
+typedef struct _ft5406_rt_handle
+{
+    LPI2C_Type *base;
+    lpi2c_master_transfer_t xfer;
+    uint8_t touch_buf[FT5406_RT_TOUCH_DATA_LEN];
+} ft5406_rt_handle_t;
+
+status_t FT5406_RT_Init(ft5406_rt_handle_t *handle, LPI2C_Type *base);
+
+status_t FT5406_RT_Denit(ft5406_rt_handle_t *handle);
+
+status_t FT5406_RT_GetSingleTouch(ft5406_rt_handle_t *handle, touch_event_t *touch_event, int *touch_x, int *touch_y);
+
+status_t FT5406_RT_GetMultiTouch(ft5406_rt_handle_t *handle,
+                                 int *touch_count,
+                                 touch_point_t touch_array[FT5406_RT_MAX_TOUCHES]);
+
+#endif

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_gt911.c

+/*
+ * Copyright 2019-2020 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_gt911.h"
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+/*! @brief GT911 I2C address. */
+#define GT911_I2C_ADDRESS0 (0x5D)
+#define GT911_I2C_ADDRESS1 (0x14)
+
+#define GT911_REG_ADDR_SIZE 2
+
+/*! @brief GT911 registers. */
+#define GT911_REG_ID             0x8140U
+#define GT911_CONFIG_ADDR        0x8047U
+#define GT911_REG_XL             0x8048U
+#define GT911_REG_XH             0x8049U
+#define GT911_REG_YL             0x804AU
+#define GT911_REG_YH             0x804BU
+#define GT911_REG_TOUCH_NUM      0x804CU
+#define GT911_REG_CONFIG_VERSION 0x8047U
+#define GT911_REG_MODULE_SWITCH1 0x804DU
+#define GT911_REG_STAT           0x814EU
+#define GT911_REG_FIRST_POINT    0x814FU
+
+#define GT911_STAT_BUF_MASK          (1U << 7U)
+#define GT911_STAT_POINT_NUMBER_MASK (0xFU << 0U)
+#define GT911_MODULE_SWITCH_X2Y_MASK (1U << 3U)
+#define GT911_MODULE_SWITCH_INT_MASK (3U << 0U)
+
+#define GT911_CONFIG_SIZE (186U)
+
+/*******************************************************************************
+ * Prototypes
+ ******************************************************************************/
+/* Verify firmware, return true if pass. */
+static bool GT911_VerifyFirmware(const uint8_t *firmware);
+static uint8_t GT911_GetFirmwareCheckSum(const uint8_t *firmware);
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+static uint8_t GT911_GetFirmwareCheckSum(const uint8_t *firmware)
+{
+    uint8_t sum = 0;
+    uint16_t i  = 0;
+
+    for (i = 0; i < GT911_CONFIG_SIZE - 2U; i++)
+    {
+        sum += (*firmware);
+        firmware++;
+    }
+
+    return (~sum + 1U);
+}
+
+static bool GT911_VerifyFirmware(const uint8_t *firmware)
+{
+    return ((firmware[GT911_REG_CONFIG_VERSION - GT911_CONFIG_ADDR] != 0U) &&
+            (GT911_GetFirmwareCheckSum(firmware) == firmware[GT911_CONFIG_SIZE - 2U]));
+}
+
+status_t GT911_Init(gt911_handle_t *handle, const gt911_config_t *config)
+{
+    status_t status;
+    uint32_t deviceID;
+    uint8_t gt911Config[GT911_CONFIG_SIZE];
+
+    assert(NULL != handle);
+
+    (void)memset(handle, 0, sizeof(*handle));
+
+    handle->I2C_SendFunc     = config->I2C_SendFunc;
+    handle->I2C_ReceiveFunc  = config->I2C_ReceiveFunc;
+    handle->timeDelayMsFunc  = config->timeDelayMsFunc;
+    handle->pullResetPinFunc = config->pullResetPinFunc;
+
+    /* Reset the panel and set the I2C address mode. */
+    config->intPinFunc(kGT911_IntPinPullDown);
+    config->pullResetPinFunc(false);
+
+    /* >= 10ms. */
+    handle->timeDelayMsFunc(20);
+
+    if (kGT911_I2cAddrAny == config->i2cAddrMode)
+    {
+        config->pullResetPinFunc(true);
+
+        /* >= 55ms */
+        handle->timeDelayMsFunc(55);
+
+        config->intPinFunc(kGT911_IntPinInput);
+
+        /* Try address 0 */
+        handle->i2cAddr = GT911_I2C_ADDRESS0;
+        status = handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_REG_ID, GT911_REG_ADDR_SIZE, (uint8_t *)&deviceID, 4);
+
+        if (kStatus_Success != status)
+        {
+            /* Try address 1 */
+            handle->i2cAddr = GT911_I2C_ADDRESS1;
+            status =
+                handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_REG_ID, GT911_REG_ADDR_SIZE, (uint8_t *)&deviceID, 4);
+
+            if (kStatus_Success != status)
+            {
+                return status;
+            }
+        }
+    }
+    else
+    {
+        if (kGT911_I2cAddrMode1 == config->i2cAddrMode)
+        {
+            config->intPinFunc(kGT911_IntPinPullUp);
+            handle->i2cAddr = GT911_I2C_ADDRESS1;
+        }
+        else
+        {
+            handle->i2cAddr = GT911_I2C_ADDRESS0;
+        }
+
+        /* >= 100us */
+        handle->timeDelayMsFunc(1);
+
+        config->pullResetPinFunc(true);
+
+        /* >= 5ms */
+        handle->timeDelayMsFunc(5);
+
+        config->intPinFunc(kGT911_IntPinPullDown);
+
+        /* >= 50ms */
+        handle->timeDelayMsFunc(50);
+
+        config->intPinFunc(kGT911_IntPinInput);
+
+        status = handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_REG_ID, GT911_REG_ADDR_SIZE, (uint8_t *)&deviceID, 4);
+        if (kStatus_Success != status)
+        {
+            return status;
+        }
+    }
+
+    /* Verify the device. */
+    if (deviceID != 0x00313139U)
+    {
+        return kStatus_Fail;
+    }
+
+    /* Initialize the IC. */
+    status = handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_CONFIG_ADDR, GT911_REG_ADDR_SIZE, gt911Config,
+                                     GT911_CONFIG_SIZE);
+    if (kStatus_Success != status)
+    {
+        return status;
+    }
+
+    /*
+     * GT911 driver gets the original firmware from touch panel control IC, modify
+     * the configuration, then set it to the IC again. The original firmware
+     * read from the touch IC must be correct, otherwise setting wrong firmware
+     * to the touch IC will break it.
+     */
+    if (true != GT911_VerifyFirmware(gt911Config))
+    {
+        return kStatus_Fail;
+    }
+
+    handle->resolutionX = ((uint16_t)gt911Config[GT911_REG_XH - GT911_CONFIG_ADDR]) << 8U;
+    handle->resolutionX += gt911Config[GT911_REG_XL - GT911_CONFIG_ADDR];
+    handle->resolutionY = ((uint16_t)gt911Config[GT911_REG_YH - GT911_CONFIG_ADDR]) << 8U;
+    handle->resolutionY += gt911Config[GT911_REG_YL - GT911_CONFIG_ADDR];
+
+    gt911Config[GT911_REG_TOUCH_NUM - GT911_CONFIG_ADDR] = (config->touchPointNum) & 0x0FU;
+
+    gt911Config[GT911_REG_MODULE_SWITCH1 - GT911_CONFIG_ADDR] &= (uint8_t)(~GT911_MODULE_SWITCH_INT_MASK);
+    gt911Config[GT911_REG_MODULE_SWITCH1 - GT911_CONFIG_ADDR] |= (uint8_t)(config->intTrigMode);
+
+    gt911Config[GT911_CONFIG_SIZE - 2U] = GT911_GetFirmwareCheckSum(gt911Config);
+    gt911Config[GT911_CONFIG_SIZE - 1U] = 1U; /* Mark the firmware as valid. */
+
+    return handle->I2C_SendFunc(handle->i2cAddr, GT911_CONFIG_ADDR, GT911_REG_ADDR_SIZE, gt911Config,
+                                GT911_CONFIG_SIZE);
+}
+
+status_t GT911_Deinit(gt911_handle_t *handle)
+{
+    handle->pullResetPinFunc(false);
+    return kStatus_Success;
+}
+
+static status_t GT911_ReadRawTouchData(gt911_handle_t *handle, uint8_t *touchPointNum)
+{
+    status_t status;
+    uint8_t gt911Stat;
+
+    status = handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_REG_STAT, GT911_REG_ADDR_SIZE, &gt911Stat, 1);
+    if (kStatus_Success != status)
+    {
+        *touchPointNum = 0;
+        return status;
+    }
+
+    *touchPointNum = gt911Stat & GT911_STAT_POINT_NUMBER_MASK;
+
+    if (0U != (gt911Stat & GT911_STAT_BUF_MASK))
+    {
+        if (*touchPointNum > 0U)
+        {
+            status = handle->I2C_ReceiveFunc(handle->i2cAddr, GT911_REG_FIRST_POINT, GT911_REG_ADDR_SIZE,
+                                             (void *)handle->pointReg, (*touchPointNum) * sizeof(gt911_point_reg_t));
+        }
+
+        /* Must set the status register to 0 after read. */
+        gt911Stat = 0;
+        status    = handle->I2C_SendFunc(handle->i2cAddr, GT911_REG_STAT, GT911_REG_ADDR_SIZE, &gt911Stat, 1);
+    }
+
+    return status;
+}
+
+status_t GT911_GetSingleTouch(gt911_handle_t *handle, int *touch_x, int *touch_y)
+{
+    status_t status;
+    uint8_t touchPointNum;
+
+    status = GT911_ReadRawTouchData(handle, &touchPointNum);
+
+    if (kStatus_Success == status)
+    {
+        if (touchPointNum > 0U)
+        {
+            *touch_x =
+                (int)(uint16_t)((uint16_t)handle->pointReg[0].lowX + (((uint16_t)handle->pointReg[0].highX) << 8U));
+            *touch_y =
+                (int)(uint16_t)((uint16_t)handle->pointReg[0].lowY + (((uint16_t)handle->pointReg[0].highY) << 8U));
+        }
+        else
+        {
+            status = (status_t)kStatus_TOUCHPANEL_NotTouched;
+        }
+    }
+    else
+    {
+        status = kStatus_Fail;
+    }
+
+    return status;
+}
+
+status_t GT911_GetMultiTouch(gt911_handle_t *handle, uint8_t *touch_count, touch_point_t touch_array[])
+{
+    status_t status;
+    uint32_t i;
+    uint8_t desiredTouchPointNum;
+    uint8_t actualTouchPointNum;
+
+    status = GT911_ReadRawTouchData(handle, &actualTouchPointNum);
+
+    if (kStatus_Success == status)
+    {
+        desiredTouchPointNum = *touch_count;
+
+        if (0U == actualTouchPointNum)
+        {
+            status = (status_t)kStatus_TOUCHPANEL_NotTouched;
+        }
+        else if (actualTouchPointNum > desiredTouchPointNum)
+        {
+            actualTouchPointNum = desiredTouchPointNum;
+        }
+        else
+        {
+            /* MISRA compatible. */
+        }
+
+        for (i = 0; i < actualTouchPointNum; i++)
+        {
+            touch_array[i].valid   = true;
+            touch_array[i].touchID = handle->pointReg[i].id;
+            touch_array[i].x       = handle->pointReg[i].lowX + (((uint16_t)handle->pointReg[i].highX) << 8U);
+            touch_array[i].y       = handle->pointReg[i].lowY + (((uint16_t)handle->pointReg[i].highY) << 8U);
+        }
+
+        for (; i < desiredTouchPointNum; i++)
+        {
+            touch_array[i].valid = false;
+        }
+    }
+    else
+    {
+        status = kStatus_Fail;
+    }
+
+    *touch_count = actualTouchPointNum;
+
+    return status;
+}
+
+status_t GT911_GetResolution(gt911_handle_t *handle, int *resolutionX, int *resolutionY)
+{
+    *resolutionX = (int)handle->resolutionX;
+    *resolutionY = (int)handle->resolutionY;
+
+    return kStatus_Success;
+}

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_gt911.h

+/*
+ * Copyright 2019-2020 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_GT911_H_
+#define _FSL_GT911_H_
+
+#include "fsl_common.h"
+
+/*
+ * Change Log:
+ *
+ * 1.0.3:
+ *   - Fixed MISRA 2012 issues.
+ *
+ * 1.0.2:
+ *   - Fixed the issue that INT pin is output low when using kGT911_I2cAddrAny.
+ *
+ * 1.0.1:
+ *   - Update GT911_GetMultiTouch and GT911_GetSingleTouch to return
+ *     kStatus_TOUCHPANEL_NotTouched when no touch happens.
+ *
+ * 1.0.0:
+ *   - Initial version.
+ */
+
+/*!
+ * @addtogroup gt911
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+/*! @brief GT911 maximum number of simultaneously detected touches. */
+#define GT911_MAX_TOUCHES (10U)
+
+/*! @brief Error code definition. */
+enum _touch_status
+{
+    kStatus_TOUCHPANEL_NotTouched = MAKE_STATUS(kStatusGroup_TOUCH_PANEL, 0) /*!< No touch happen. */
+};
+
+/*! @brief Touch point definition. */
+typedef struct
+{
+    bool valid;      /*!< Whether the touch point coordinate value is valid. */
+    uint8_t touchID; /*!< Id of the touch point. This numeric value stays constant between down and up event. */
+    uint16_t x;      /*!< X coordinate of the touch point */
+    uint16_t y;      /*!< Y coordinate of the touch point */
+} touch_point_t;
+
+/*! @brief gt911 I2C address mode.*/
+typedef enum _gt911_i2c_addr_mode
+{
+    kGT911_I2cAddrMode0, /*!< 7-bit address 0x5D, or 8-bit 0xBA/0xBB */
+    kGT911_I2cAddrMode1, /*!< 7-bit address 0x14, or 8-bit 0x28/0x29 */
+    kGT911_I2cAddrAny,   /*!< Use 0x5D or 0x14, driver selects the right one to use,
+                              this is used for the case that MCU could not pull
+                              the INT pin level.
+                              */
+} gt911_i2c_addr_mode_t;
+
+/*! @brief gt911 interrupt pin mode.*/
+typedef enum _gt911_int_pin_mode
+{
+    kGT911_IntPinPullDown, /*!< Interrupt pin output pull down. */
+    kGT911_IntPinPullUp,   /*!< Interrupt pin output pull up. */
+    kGT911_IntPinInput,    /*!< Interrupt pin set to input mode. */
+} gt911_int_pin_mode_t;
+
+/*! @brief gt911 interrupt trigger mode.*/
+typedef enum _gt911_int_trig_mode
+{
+    kGT911_IntRisingEdge,  /*!< Rising edge. */
+    kGT911_IntFallingEdge, /*!< Falling edge. */
+    kGT911_IntLowLevel,    /*!< Low level. */
+    kGT911_IntHighLevel,   /*!< High edge. */
+} gt911_int_trig_mode_t;
+
+typedef status_t (*gt911_i2c_send_func_t)(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, const uint8_t *txBuff, uint8_t txBuffSize);
+typedef status_t (*gt911_i2c_receive_func_t)(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint8_t *rxBuff, uint8_t rxBuffSize);
+typedef void (*gt911_int_pin_func_t)(gt911_int_pin_mode_t mode);
+typedef void (*gt911_reset_pin_func_t)(bool pullUp);
+
+/*! @brief gt911 configure structure.*/
+typedef struct _gt911_point_reg
+{
+    uint8_t id;       /*!< Track ID. */
+    uint8_t lowX;     /*!< Low byte of x coordinate. */
+    uint8_t highX;    /*!< High byte of x coordinate. */
+    uint8_t lowY;     /*!< Low byte of y coordinate. */
+    uint8_t highY;    /*!< High byte of x coordinate. */
+    uint8_t lowSize;  /*!< Low byte of point size. */
+    uint8_t highSize; /*!< High byte of point size. */
+    uint8_t reserved; /*!< Reserved. */
+} gt911_point_reg_t;
+
+/*! @brief gt911 configure structure.*/
+typedef struct _gt911_config
+{
+    gt911_i2c_send_func_t I2C_SendFunc;        /*!< Function to send I2C data. */
+    gt911_i2c_receive_func_t I2C_ReceiveFunc;  /*!< Function to receive I2C data. */
+    void (*timeDelayMsFunc)(uint32_t delayMs); /*!< Function to delay some MS. */
+    gt911_int_pin_func_t intPinFunc;           /*!< Function to set interrupt pin to different mode. */
+    gt911_reset_pin_func_t pullResetPinFunc;   /*!< Function to pull reset pin high or low. */
+    uint8_t touchPointNum;                     /*!< How many touch points to enable. */
+    gt911_i2c_addr_mode_t i2cAddrMode;         /*!< I2C address mode. */
+    gt911_int_trig_mode_t intTrigMode;         /*!< Interrupt trigger mode. */
+} gt911_config_t;
+
+/*! @brief gt911 driver structure.*/
+typedef struct _gt911_handle
+{
+    gt911_i2c_send_func_t I2C_SendFunc;            /*!< Function to send I2C data. */
+    gt911_i2c_receive_func_t I2C_ReceiveFunc;      /*!< Function to receive I2C data. */
+    void (*timeDelayMsFunc)(uint32_t delayMs);     /*!< Function to delay some MS. */
+    gt911_reset_pin_func_t pullResetPinFunc;       /*!< Function to pull reset pin high or low. */
+    gt911_point_reg_t pointReg[GT911_MAX_TOUCHES]; /*!< Buffer to receive touch point raw data. */
+    uint8_t touchPointNum;                         /*!< How many touch points to enable. */
+    uint8_t i2cAddr;                               /*!< I2C address. */
+    uint16_t resolutionX;                          /*!< Resolution. */
+    uint16_t resolutionY;                          /*!< Resolution. */
+} gt911_handle_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @brief Initialize the driver.
+ *
+ * @param[in] handle Pointer to the GT911 driver.
+ * @param[in] config Pointer to the configuration.
+ * @return Returns @ref kStatus_Success if succeeded, otherwise return error code.
+ */
+status_t GT911_Init(gt911_handle_t *handle, const gt911_config_t *config);
+
+/*!
+ * @brief De-initialize the driver.
+ *
+ * @param[in] handle Pointer to the GT911 driver.
+ * @return Returns @ref kStatus_Success if succeeded, otherwise return error code.
+ */
+status_t GT911_Deinit(gt911_handle_t *handle);
+
+/*!
+ * @brief Get single touch point coordinate.
+ *
+ * @param[in] handle Pointer to the GT911 driver.
+ * @param[out] touch_x X coordinate of the touch point.
+ * @param[out] touch_y Y coordinate of the touch point.
+ * @return Returns @ref kStatus_Success if succeeded, otherwise return error code.
+ */
+status_t GT911_GetSingleTouch(gt911_handle_t *handle, int *touch_x, int *touch_y);
+
+/*!
+ * @brief Get multiple touch points coordinate.
+ *
+ * When calling this function, parameter @ref touch_count means the array size
+ * of @p touch_array. After the function returns, the @p touch_count means how
+ * many valid touch points there are in the @p touch_array.
+ *
+ * @param[in] handle Pointer to the GT911 driver.
+ * @param[in, out] touch_count The touch point number.
+ * @param[out] touch_array Array of touch points coordinate.
+ * @return Returns @ref kStatus_Success if succeeded, otherwise return error code.
+ */
+status_t GT911_GetMultiTouch(gt911_handle_t *handle, uint8_t *touch_count, touch_point_t touch_array[]);
+
+/*!
+ * @brief Get touch IC resolution.
+ *
+ * Note the touch resolution might be different with display resolution.
+ *
+ * @param handle Pointer to the driver.
+ * @param touch_x X resolution.
+ * @param touch_y Y resolution.
+ * @return Returns @ref kStatus_Success if succeeded, otherwise return error code.
+ */
+status_t GT911_GetResolution(gt911_handle_t *handle, int *resolutionX, int *resolutionY);
+
+#if defined(__cplusplus)
+}
+#endif
+
+/*! @} */
+
+#endif /* _FSL_GT911_H_ */

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_video_common.c

+/*
+ * Copyright 2017, 2020-2021 NXP
+ * All rights reserved.
+ *
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_video_common.h"
+#if defined(SDK_OS_FREE_RTOS)
+#include "FreeRTOS.h"
+#include "task.h"
+#endif
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+
+bool VIDEO_IsYUV(video_pixel_format_t format)
+{
+    if ((kVIDEO_PixelFormatYUYV == format) || (kVIDEO_PixelFormatYVYU == format) ||
+        (kVIDEO_PixelFormatUYVY == format) || (kVIDEO_PixelFormatVYUY == format) ||
+        (kVIDEO_PixelFormatXYVU == format) || (kVIDEO_PixelFormatXYUV == format))
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void VIDEO_DelayMs(uint32_t ms)
+{
+#if defined(SDK_OS_FREE_RTOS)
+    TickType_t tick;
+
+    tick = ms * configTICK_RATE_HZ / 1000U;
+
+    tick = (0U == tick) ? 1U : tick;
+
+    vTaskDelay(tick);
+#else
+    while (0U != (ms--))
+    {
+        SDK_DelayAtLeastUs(1000U, SystemCoreClock);
+    }
+#endif
+}
+
+uint8_t VIDEO_GetPixelSizeBits(video_pixel_format_t pixelFormat)
+{
+    uint8_t ret;
+
+    switch (pixelFormat)
+    {
+        case kVIDEO_PixelFormatXRGB8888:
+        case kVIDEO_PixelFormatRGBX8888:
+        case kVIDEO_PixelFormatXBGR8888:
+        case kVIDEO_PixelFormatBGRX8888:
+        case kVIDEO_PixelFormatXYUV:
+        case kVIDEO_PixelFormatXYVU:
+            ret = 32;
+            break;
+
+        case kVIDEO_PixelFormatRGB888:
+        case kVIDEO_PixelFormatBGR888:
+            ret = 24;
+            break;
+
+        case kVIDEO_PixelFormatRGB565:
+        case kVIDEO_PixelFormatBGR565:
+        case kVIDEO_PixelFormatXRGB1555:
+        case kVIDEO_PixelFormatRGBX5551:
+        case kVIDEO_PixelFormatXBGR1555:
+        case kVIDEO_PixelFormatBGRX5551:
+        case kVIDEO_PixelFormatXRGB4444:
+        case kVIDEO_PixelFormatRGBX4444:
+        case kVIDEO_PixelFormatXBGR4444:
+        case kVIDEO_PixelFormatBGRX4444:
+        case kVIDEO_PixelFormatYUYV:
+        case kVIDEO_PixelFormatYVYU:
+        case kVIDEO_PixelFormatUYVY:
+        case kVIDEO_PixelFormatVYUY:
+            ret = 16;
+            break;
+
+        default:
+            ret = 0;
+            break;
+    }
+
+    return ret;
+}
+
+status_t VIDEO_RINGBUF_Init(video_ringbuf_t *ringbuf, void **buf, uint32_t size)
+{
+    assert(ringbuf);
+
+    ringbuf->rear  = 0;
+    ringbuf->front = 0;
+    ringbuf->size  = size;
+    ringbuf->buf   = buf;
+
+    return kStatus_Success;
+}
+
+status_t VIDEO_RINGBUF_Get(video_ringbuf_t *ringbuf, void **item)
+{
+    uint32_t front_next;
+
+    /* To fix IAR Pa082 warning. */
+    uint32_t rear  = ringbuf->rear;
+    uint32_t front = ringbuf->front;
+
+    if (rear != front)
+    {
+        *item = ringbuf->buf[ringbuf->front];
+
+        /*
+         * Here don't use ringbuf->front = (ringbuf->front + 1) % ringbuf->size,
+         * because mod operation might be slow.
+         */
+        front_next = (ringbuf->front + 1U);
+
+        /* Use two steps to make sure ringbuf->front is always a valid value. */
+        ringbuf->front = (front_next == ringbuf->size) ? 0UL : front_next;
+
+        return kStatus_Success;
+    }
+    else
+    {
+        return kStatus_Fail;
+    }
+}
+
+status_t VIDEO_RINGBUF_Put(video_ringbuf_t *ringbuf, void *item)
+{
+    /*
+     * Here don't use ringbuf->rear = (ringbuf->rear + 1) % ringbuf->size,
+     * because mod operation might be slow.
+     */
+    uint32_t rear_next = ringbuf->rear + 1U;
+
+    rear_next = (rear_next == ringbuf->size) ? 0U : rear_next;
+
+    if (rear_next != ringbuf->front)
+    {
+        ringbuf->buf[ringbuf->rear] = item;
+        ringbuf->rear               = rear_next;
+
+        return kStatus_Success;
+    }
+    /* No room. */
+    else
+    {
+        return kStatus_Fail;
+    }
+}
+
+uint32_t VIDEO_RINGBUF_GetLength(video_ringbuf_t *ringbuf)
+{
+    uint32_t ret;
+
+    /* To fix IAR Pa082 warning. */
+    uint32_t rear  = ringbuf->rear;
+    uint32_t front = ringbuf->front;
+
+    ret = (rear + ringbuf->size) - front;
+
+    if (ret >= ringbuf->size)
+    {
+        ret -= ringbuf->size;
+    }
+
+    return ret;
+}
+
+bool VIDEO_RINGBUF_IsEmpty(video_ringbuf_t *ringbuf)
+{
+    /* To fix IAR Pa082 warning. */
+    uint32_t rear  = ringbuf->rear;
+    uint32_t front = ringbuf->front;
+
+    if (rear == front)
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+bool VIDEO_RINGBUF_IsFull(video_ringbuf_t *ringbuf)
+{
+    uint32_t rear  = ringbuf->rear;
+    uint32_t front = ringbuf->front;
+
+    rear++;
+
+    if (rear >= ringbuf->size)
+    {
+        rear = 0;
+    }
+
+    if (rear == front)
+    {
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+status_t VIDEO_MEMPOOL_Init(video_mempool_t *mempool, void *initMem, uint32_t size, uint32_t count)
+{
+    (void)memset(mempool, 0, sizeof(video_mempool_t));
+
+    while (0U != (count--))
+    {
+        VIDEO_MEMPOOL_Put(mempool, initMem);
+        initMem = &((uint8_t *)initMem)[size];
+    }
+
+    return kStatus_Success;
+}
+
+void VIDEO_MEMPOOL_InitEmpty(video_mempool_t *mempool)
+{
+    mempool->pool = NULL;
+    mempool->cnt  = 0;
+}
+
+void VIDEO_MEMPOOL_Put(video_mempool_t *mempool, void *mem)
+{
+    *(void **)mem = mempool->pool;
+    mempool->pool = mem;
+    mempool->cnt++;
+}
+
+void *VIDEO_MEMPOOL_Get(video_mempool_t *mempool)
+{
+    void *mem = mempool->pool;
+
+    if (NULL != mem)
+    {
+        mempool->cnt--;
+        mempool->pool = *(void **)mem;
+    }
+
+    return mem;
+}
+
+uint32_t VIDEO_MEMPOOL_GetCount(video_mempool_t *mempool)
+{
+    return mempool->cnt;
+}

bsp/imxrt/libraries/MIMXRT1060/MIMXRT1060/drivers/fsl_video_common.h

+/*
+ * Copyright 2017, 2020-2021 NXP
+ * All rights reserved.
+ *
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_VIDEO_COMMON_H_
+#define _FSL_VIDEO_COMMON_H_
+
+#include "fsl_common.h"
+
+/*
+ * Change log:
+ *
+ *   1.0.5
+ *     - Fix IAR Pa082 warning.
+ *
+ *   1.0.4
+ *     - Add LUT8 definition.
+ *
+ *   1.0.3
+ *     - Add RAW8 definition.
+ *
+ *   1.0.2
+ *     - Fixed MISRA-C 2012 issues.
+ *
+ *   1.0.1
+ *     - Update the VIDEO_DelayMs for bare metal.
+ *
+ *   1.0.0
+ *     - Initial version
+ */
+
+/*******************************************************************************
+ * Definitions
+ ******************************************************************************/
+
+/*! @brief Pixel format FOURCC. */
+#define FSL_VIDEO_FOURCC(a, b, c, d) \
+    ((uint32_t)(a) | ((uint32_t)(b) << 8U) | ((uint32_t)(c) << 16U) | ((uint32_t)(d) << 24U))
+
+/*! @brief Macro to define resolution. */
+#define FSL_VIDEO_RESOLUTION(width, height) ((uint32_t)(width) | ((uint32_t)(height) << 16U))
+
+#define FSL_VIDEO_EXTRACT_WIDTH(resolution)  ((uint16_t)((resolution)&0xFFFFU))
+#define FSL_VIDEO_EXTRACT_HEIGHT(resolution) ((uint16_t)((resolution) >> 16U))
+
+/*! @brief Pixel format definition. */
+typedef enum _video_pixel_format
+{
+    /* RAW */
+    kVIDEO_PixelFormatRAW8 = FSL_VIDEO_FOURCC('G', 'R', 'B', 'G'), /*!< RAW8, GRBG. */
+
+    /* LUT/palette */
+    kVIDEO_PixelFormatLUT8 = FSL_VIDEO_FOURCC('L', 'U', 'T', '8'), /*!< 8-bit Indexed Color. */
+
+    /* RGB */
+    kVIDEO_PixelFormatXRGB8888 = FSL_VIDEO_FOURCC('X', 'R', '2', '4'), /*!< 32-bit XRGB8888. */
+    kVIDEO_PixelFormatRGBX8888 = FSL_VIDEO_FOURCC('R', 'X', '2', '4'), /*!< 32-bit RGBX8888. */
+    kVIDEO_PixelFormatXBGR8888 = FSL_VIDEO_FOURCC('X', 'B', '2', '4'), /*!< 32-bit XBGR8888. */
+    kVIDEO_PixelFormatBGRX8888 = FSL_VIDEO_FOURCC('B', 'X', '2', '4'), /*!< 32-bit BGRX8888. */
+
+    kVIDEO_PixelFormatRGB888 = FSL_VIDEO_FOURCC('R', 'G', '2', '4'), /*!< 24-bit RGB888. */
+    kVIDEO_PixelFormatBGR888 = FSL_VIDEO_FOURCC('B', 'G', '2', '4'), /*!< 24-bit BGR888. */
+
+    kVIDEO_PixelFormatRGB565 = FSL_VIDEO_FOURCC('R', 'G', '1', '6'), /*!< 16-bit RGB565. */
+    kVIDEO_PixelFormatBGR565 = FSL_VIDEO_FOURCC('B', 'G', '1', '6'), /*!< 16-bit BGR565. */
+
+    kVIDEO_PixelFormatXRGB1555 = FSL_VIDEO_FOURCC('X', 'R', '1', '5'), /*!< 16-bit XRGB1555. */
+    kVIDEO_PixelFormatRGBX5551 = FSL_VIDEO_FOURCC('R', 'X', '1', '5'), /*!< 16-bit RGBX5551. */
+    kVIDEO_PixelFormatXBGR1555 = FSL_VIDEO_FOURCC('X', 'B', '1', '5'), /*!< 16-bit XBGR1555. */
+    kVIDEO_PixelFormatBGRX5551 = FSL_VIDEO_FOURCC('B', 'X', '1', '5'), /*!< 16-bit BGRX5551. */
+
+    kVIDEO_PixelFormatXRGB4444 = FSL_VIDEO_FOURCC('X', 'R', '1', '2'), /*!< 16-bit XRGB4444. */
+    kVIDEO_PixelFormatRGBX4444 = FSL_VIDEO_FOURCC('R', 'X', '1', '2'), /*!< 16-bit RGBX4444. */
+    kVIDEO_PixelFormatXBGR4444 = FSL_VIDEO_FOURCC('X', 'B', '1', '2'), /*!< 16-bit XBGR4444. */
+    kVIDEO_PixelFormatBGRX4444 = FSL_VIDEO_FOURCC('B', 'X', '1', '2'), /*!< 16-bit BGRX4444. */
+
+    /* YUV. */
+    kVIDEO_PixelFormatYUYV = FSL_VIDEO_FOURCC('Y', 'U', 'Y', 'V'), /*!< YUV422, Y-U-Y-V. */
+    kVIDEO_PixelFormatYVYU = FSL_VIDEO_FOURCC('Y', 'V', 'Y', 'U'), /*!< YUV422, Y-V-Y-U. */
+    kVIDEO_PixelFormatUYVY = FSL_VIDEO_FOURCC('U', 'Y', 'V', 'Y'), /*!< YUV422, U-Y-V-Y. */
+    kVIDEO_PixelFormatVYUY = FSL_VIDEO_FOURCC('V', 'Y', 'U', 'Y'), /*!< YUV422, V-Y-U-Y. */
+
+    kVIDEO_PixelFormatXYUV = FSL_VIDEO_FOURCC('X', 'Y', 'U', 'V'), /*!< YUV444, X-Y-U-V. */
+    kVIDEO_PixelFormatXYVU = FSL_VIDEO_FOURCC('X', 'Y', 'V', 'U'), /*!< YUV444, X-Y-V-U. */
+} video_pixel_format_t;
+
+/*! @brief Resolution definition. */
+typedef enum _video_resolution
+{
+    kVIDEO_ResolutionVGA   = FSL_VIDEO_RESOLUTION(640, 480),   /*!< VGA, 640 * 480 */
+    kVIDEO_ResolutionQVGA  = FSL_VIDEO_RESOLUTION(320, 240),   /*!< QVGA, 320 * 240 */
+    kVIDEO_ResolutionQQVGA = FSL_VIDEO_RESOLUTION(160, 120),   /*!< QQVGA, 160 * 120 */
+    kVIDEO_ResolutionCIF   = FSL_VIDEO_RESOLUTION(352, 288),   /*!< CIF, 352 * 288 */
+    kVIDEO_ResolutionQCIF  = FSL_VIDEO_RESOLUTION(176, 144),   /*!< QCIF, 176 * 144 */
+    kVIDEO_ResolutionQQCIF = FSL_VIDEO_RESOLUTION(88, 72),     /*!< QQCIF, 88 * 72 */
+    kVIDEO_Resolution720P  = FSL_VIDEO_RESOLUTION(1280, 720),  /*!< 720P, 1280 * 720 */
+    kVIDEO_Resolution1080P = FSL_VIDEO_RESOLUTION(1920, 1080), /*!< 1080P, 1920 * 1280*/
+    kVIDEO_ResolutionWXGA  = FSL_VIDEO_RESOLUTION(1280, 800),  /*!< WXGA, 1280 * 800 */
+} video_resolution_t;
+
+/*!
+ * @brief Ring buffer structure.
+ *
+ * There is one empty room reserved in the ring buffer, used to distinguish
+ * whether the ring buffer is full or empty. When rear equals front, it is empty;
+ * when rear+1 equals front, it is full.
+ */
+typedef struct
+{
+    volatile uint32_t rear;  /*!< Pointer to save the incoming item. */
+    volatile uint32_t front; /*!< Pointer to read out the item. */
+    void *volatile *buf;     /*!< Memory to the ring buffer. */
+    uint32_t size;           /*!< Ring buffer total size. */
+} video_ringbuf_t;
+
+/*!
+ * @brief Memory pool structure.
+ */
+typedef struct
+{
+    void *volatile pool;   /*!< Pointer to the pool.         */
+    volatile uint32_t cnt; /*!< Count of memory blocks in the pool. */
+} video_mempool_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @name Common
+ * @{
+ */
+
+/*!
+ * @brief Check the pixel format is YUV or not.
+ *
+ * @param format Pixel format.
+ */
+bool VIDEO_IsYUV(video_pixel_format_t format);
+
+/*!
+ * @brief Delay the specific time.
+ *
+ * @param ms How many milli-second to delay.
+ */
+void VIDEO_DelayMs(uint32_t ms);
+
+/*!
+ * @brief Get the pixel size in bits.
+ *
+ * @param pixelFormat The pixel format.
+ * @return Bits per pixel.
+ */
+uint8_t VIDEO_GetPixelSizeBits(video_pixel_format_t pixelFormat);
+
+/* @} */
+
+/*!
+ * @name Ring buffer.
+ * @{
+ */
+
+/*!
+ * @brief Initializes ring buffer.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @param buf Memory to save the items.
+ * @param size Size of the @p buf.
+ * @return Returns @ref kStatus_Success if initialize success, otherwise returns
+ * error code.
+ */
+status_t VIDEO_RINGBUF_Init(video_ringbuf_t *ringbuf, void **buf, uint32_t size);
+
+/*!
+ * @brief Get one item from the ring buffer.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @param item Memory to save the item.
+ * @return Returns @ref kStatus_Success if get success, otherwise returns
+ * error code.
+ */
+status_t VIDEO_RINGBUF_Get(video_ringbuf_t *ringbuf, void **item);
+
+/*!
+ * @brief Put one item to the ring buffer.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @param item The new item to save.
+ * @return Returns @ref kStatus_Success if put success, otherwise returns
+ * error code.
+ */
+status_t VIDEO_RINGBUF_Put(video_ringbuf_t *ringbuf, void *item);
+
+/*!
+ * @brief Get current count of items in the ring buffer.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @return Returns the item count.
+ */
+uint32_t VIDEO_RINGBUF_GetLength(video_ringbuf_t *ringbuf);
+
+/*!
+ * @brief Check whether the ring buffer is empty.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @return Returns true if the ring buffer is empty, otherwise returns false.
+ */
+bool VIDEO_RINGBUF_IsEmpty(video_ringbuf_t *ringbuf);
+
+/*!
+ * @brief Check whether the ring buffer is full.
+ *
+ * @param ringbuf Pointer to the ring buffer handle.
+ * @return Returns true if the ring buffer is full, otherwise returns false.
+ */
+bool VIDEO_RINGBUF_IsFull(video_ringbuf_t *ringbuf);
+/* @} */
+
+/*!
+ * @name Memory Pool
+ *
+ * User can put memory block to the pool, or get memory block from the pool.
+ * There is no count limitation to put memory block in to the pool. The memory
+ * content in the pool might be modified.
+ *
+ * The memory block should be 4-byte aligned, and the dividable by 4-byte.
+ *
+ * @{
+ */
+
+/*!
+ * @brief Initializes memory pool.
+ *
+ * Initializes memory pool. Initial memory blocks in the memory pool is optional.
+ * If initial blocks are used, user should specify the initial block size and count.
+ *
+ * @param mempool Pointer to the memory pool handle.
+ * @param initMem Initial memory blocks to saved in the pool.
+ * @param size Every memory block's size (bytes) in the @p initMem.
+ * @param count Number of memory blocks @p initMem.
+ * @return Returns @ref kStatus_Success if initialize success, otherwise returns
+ * error code.
+ */
+status_t VIDEO_MEMPOOL_Init(video_mempool_t *mempool, void *initMem, uint32_t size, uint32_t count);
+
+/*!
+ * @brief Create an empty memory pool.
+ *
+ * @param mempool Pointer to the memory pool handle.
+ */
+void VIDEO_MEMPOOL_InitEmpty(video_mempool_t *mempool);
+
+/*!
+ * @brief Put memory block in the pool.
+ *
+ * @param mempool Pointer to the memory pool handle.
+ * @param mem Pointer to the memory block.
+ */
+void VIDEO_MEMPOOL_Put(video_mempool_t *mempool, void *mem);
+
+/*!
+ * @brief Get memory block in the pool.
+ *
+ * @param mempool Pointer to the memory pool handle.
+ * @return The memory block get from pool. If the pool is empty, returns NULL.
+ */
+void *VIDEO_MEMPOOL_Get(video_mempool_t *mempool);
+
+/*!
+ * @brief How many memory blocks in the pool.
+ *
+ * @param mempool Pointer to the memory pool handle.
+ * @return The memory block count in the pool
+ */
+uint32_t VIDEO_MEMPOOL_GetCount(video_mempool_t *mempool);
+
+/* @} */
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _FSL_VIDEO_COMMON_H_ */

bsp/imxrt/libraries/MIMXRT1060/SConscript

@@ -6,6 +6,7 @@ path = [cwd + '/CMSIS/Include',cwd + '/MIMXRT1060', cwd + '/MIMXRT1060/drivers']
 src = Split('''
             MIMXRT1060/system_MIMXRT1062.c
             MIMXRT1060/drivers/fsl_common.c
+            MIMXRT1060/drivers/fsl_common_arm.c
             MIMXRT1060/drivers/fsl_clock.c
             MIMXRT1060/drivers/fsl_cache.c
             ''')
@@ -53,6 +54,12 @@ if GetDepend(['BSP_USING_SDRAM']):
 if GetDepend(['BSP_USING_LCD']):
     src += ['MIMXRT1060/drivers/fsl_elcdif.c']
 
+if GetDepend(['DEMO_PANEL_RK043FN02H']):
+    src += ['MIMXRT1060/drivers/fsl_ft5406_rt.c']
+
+if GetDepend(['DEMO_PANEL_RK043FN66HS']):
+    src += ['MIMXRT1060/drivers/fsl_video_common.c', 'MIMXRT1060/drivers/fsl_gt911.c']
+
 if GetDepend(['BSP_USING_CACHE']):
     src += ['MIMXRT1060/drivers/fsl_cache.c']