Remove unused folder samples/gui and samples/littlevgl (#3853)

They had been moved to wamr-app-framework repo:
https://github.com/bytecodealliance/wamr-app-framework/tree/main/samples

samples/gui/wasm-apps/decrease/src/main.c

@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation.  All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-
-#include <stdlib.h>
-#include "wasm_app.h"
-#include "wa-inc/lvgl/lvgl.h"
-#include "wa-inc/timer_wasm_app.h"
-
-extern char g_widget_text[];
-
-static void
-btn_event_cb(lv_obj_t *btn, lv_event_t event);
-
-uint32_t count = 0;
-char count_str[11] = { 0 };
-lv_obj_t *hello_world_label;
-lv_obj_t *count_label;
-lv_obj_t *btn1;
-lv_obj_t *label_count1;
-int label_count1_value = 100;
-char label_count1_str[11] = { 0 };
-
-void
-timer1_update(user_timer_t timer1)
-{
-    if ((count % 100) == 0) {
-        snprintf(count_str, sizeof(count_str), "%d", count / 100);
-        lv_label_set_text(count_label, count_str);
-    }
-    ++count;
-}
-
-void
-on_init()
-{
-    char *text;
-
-    hello_world_label = lv_label_create(NULL, NULL);
-    lv_label_set_text(hello_world_label, "Hello world!");
-    text = lv_label_get_text(hello_world_label);
-    printf("Label text %lu %s \n", strlen(text), text);
-    lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
-
-    count_label = lv_label_create(NULL, NULL);
-    lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
-
-    /* Create a button on the currently loaded screen */
-    btn1 = lv_btn_create(NULL, NULL);
-    /* Set function to be called when the button is released */
-    lv_obj_set_event_cb(btn1, (lv_event_cb_t)btn_event_cb);
-    /* Align below the label */
-    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 0);
-
-    /* Create a label on the button */
-    lv_obj_t *btn_label = lv_label_create(btn1, NULL);
-    lv_label_set_text(btn_label, "Click --");
-
-    label_count1 = lv_label_create(NULL, NULL);
-    lv_label_set_text(label_count1, "100");
-    lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
-
-    /* Set up a timer */
-    user_timer_t timer;
-    timer = api_timer_create(10, true, false, timer1_update);
-    if (timer)
-        api_timer_restart(timer, 10);
-    else
-        printf("Fail to create timer.\n");
-}
-
-static void
-btn_event_cb(lv_obj_t *btn, lv_event_t event)
-{
-    if (event == LV_EVENT_RELEASED) {
-        label_count1_value--;
-        snprintf(label_count1_str, sizeof(label_count1_str), "%d",
-                 label_count1_value);
-        lv_label_set_text(label_count1, label_count1_str);
-        if (label_count1_value == 0)
-            label_count1_value = 100;
-    }
-}

samples/gui/wasm-apps/increase/src/main.c

@@ -1,84 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation.  All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-
-#include <stdlib.h>
-#include "wasm_app.h"
-#include "wa-inc/lvgl/lvgl.h"
-#include "wa-inc/timer_wasm_app.h"
-
-extern char g_widget_text[];
-
-static void
-btn_event_cb(lv_obj_t *btn, lv_event_t event);
-
-uint32_t count = 0;
-char count_str[11] = { 0 };
-lv_obj_t *hello_world_label;
-lv_obj_t *count_label;
-lv_obj_t *btn1;
-lv_obj_t *label_count1;
-int label_count1_value = 1;
-char label_count1_str[11] = { 0 };
-
-void
-timer1_update(user_timer_t timer1)
-{
-    if ((count % 100) == 0) {
-        snprintf(count_str, sizeof(count_str), "%d", count / 100);
-        lv_label_set_text(count_label, count_str);
-    }
-    ++count;
-}
-
-void
-on_init()
-{
-    char *text;
-
-    hello_world_label = lv_label_create(NULL, NULL);
-    lv_label_set_text(hello_world_label, "Hello world!");
-    text = lv_label_get_text(hello_world_label);
-    printf("Label text %lu %s \n", strlen(text), text);
-    lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
-
-    count_label = lv_label_create(NULL, NULL);
-    lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0);
-
-    /* Create a button on the current loaded screen */
-    btn1 = lv_btn_create(NULL, NULL);
-    /* Set function to be called when the button is released */
-    lv_obj_set_event_cb(btn1, (lv_event_cb_t)btn_event_cb);
-    /* Align below the label */
-    lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 0);
-
-    /* Create a label on the button */
-    lv_obj_t *btn_label = lv_label_create(btn1, NULL);
-    lv_label_set_text(btn_label, "Click ++");
-
-    label_count1 = lv_label_create(NULL, NULL);
-    lv_label_set_text(label_count1, "1");
-    lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
-
-    /* Set up a timer */
-    user_timer_t timer;
-    timer = api_timer_create(10, true, false, timer1_update);
-    if (timer)
-        api_timer_restart(timer, 10);
-    else
-        printf("Fail to create timer.\n");
-}
-
-static void
-btn_event_cb(lv_obj_t *btn, lv_event_t event)
-{
-    if (event == LV_EVENT_RELEASED) {
-        label_count1_value++;
-        snprintf(label_count1_str, sizeof(label_count1_str), "%d",
-                 label_count1_value);
-        lv_label_set_text(label_count1, label_count1_str);
-        if (label_count1_value == 100)
-            label_count1_value = 0;
-    }
-}

samples/gui/wasm-runtime-wgl/src/platform/zephyr/XPT2046.c

@@ -1,348 +0,0 @@
-/**
- * @file XPT2046.c
- */
-/*********************
- *      INCLUDES
- *********************/
-#include "XPT2046.h"
-#include "board_config.h"
-#include "stdio.h"
-#include <string.h>
-#include "drivers/spi.h"
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#include <kernel.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#if USE_XPT2046
-
-#include <stddef.h>
-
-#define abs(x) ((x) < 0 ? -(x) : (x))
-
-/*********************
- *      DEFINES
- *********************/
-
-/**********************
- *      TYPEDEFS
- **********************/
-
-/**********************
- *  STATIC PROTOTYPES
- **********************/
-static void
-xpt2046_corr(int16_t *x, int16_t *y);
-#if 0
-static void xpt2046_avg(int16_t * x, int16_t * y);
-#endif
-
-/**********************
- *  STATIC VARIABLES
- **********************/
-int16_t avg_buf_x[XPT2046_AVG];
-int16_t avg_buf_y[XPT2046_AVG];
-uint8_t avg_last;
-
-/**********************
- *      MACROS
- **********************/
-
-/**********************
- *   GLOBAL FUNCTIONS
- **********************/
-
-/**
- * Initialize the XPT2046
- */
-struct device *input_dev;
-
-struct spi_config spi_conf_xpt2046;
-struct spi_cs_control xpt2046_cs_ctrl;
-struct device *xpt2046_pen_gpio_dev;
-static struct gpio_callback gpio_cb;
-lv_indev_data_t touch_point;
-lv_indev_data_t last_touch_point;
-
-#define TOUCH_READ_THREAD_STACK_SIZE 4096
-static K_THREAD_STACK_DEFINE(touch_read_thread_stack,
-                             TOUCH_READ_THREAD_STACK_SIZE);
-static struct k_thread touch_thread_data;
-static struct k_sem sem_touch_read;
-
-K_MUTEX_DEFINE(spi_display_touch_mutex);
-
-int cnt = 0;
-int touch_read_times = 0;
-int last_pen_interrupt_time = 0;
-void
-xpt2046_pen_gpio_callback(struct device *port, struct gpio_callback *cb,
-                          u32_t pins)
-{
-    cnt++;
-    if ((k_uptime_get_32() - last_pen_interrupt_time) > 500) {
-        k_sem_give(&sem_touch_read);
-        touch_read_times++;
-        last_pen_interrupt_time = k_uptime_get_32();
-    }
-}
-
-void
-disable_pen_interrupt()
-{
-    int ret = 0;
-    ret = gpio_disable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret != 0) {
-        printf("gpio_pin_configure GPIO_INPUT failed\n");
-    }
-}
-void
-enable_pen_interrupt()
-{
-    int ret = 0;
-    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret != 0) {
-        printf("gpio_pin_configure failed\n");
-    }
-}
-
-void
-touch_screen_read_thread()
-{
-    int i;
-    bool ret = false;
-
-    for (;;) {
-        k_sem_take(&sem_touch_read, K_FOREVER);
-        memset(&last_touch_point, 0, sizeof(lv_indev_data_t));
-        memset(&touch_point, 0, sizeof(lv_indev_data_t));
-        memset(avg_buf_x, 0, sizeof(avg_buf_x));
-        memset(avg_buf_y, 0, sizeof(avg_buf_y));
-        k_mutex_lock(&spi_display_touch_mutex, K_FOREVER);
-        disable_pen_interrupt();
-        for (i = 0; i < 100; i++) {
-            ret = xpt2046_read(&touch_point);
-            if (ret) {
-                if ((abs(last_touch_point.point.x - touch_point.point.x) < 4)
-                    && (abs(last_touch_point.point.y - touch_point.point.y)
-                        < 4)) {
-                    break;
-                }
-                last_touch_point = touch_point;
-            }
-        }
-        enable_pen_interrupt();
-        k_mutex_unlock(&spi_display_touch_mutex);
-    }
-}
-
-void
-xpt2046_init(void)
-{
-    int ret;
-    input_dev = device_get_binding(XPT2046_SPI_DEVICE_NAME);
-
-    if (input_dev == NULL) {
-        printf("device not found.  Aborting test.");
-        return;
-    }
-    memset((void *)&touch_point, 0, sizeof(lv_indev_data_t));
-
-    spi_conf_xpt2046.frequency = XPT2046_SPI_MAX_FREQUENCY;
-    spi_conf_xpt2046.operation = SPI_OP_MODE_MASTER | SPI_WORD_SET(8);
-    spi_conf_xpt2046.slave = 0;
-    spi_conf_xpt2046.cs = NULL;
-#ifdef XPT2046_CS_GPIO_CONTROLLER
-    xpt2046_cs_ctrl.gpio_dev = device_get_binding(XPT2046_CS_GPIO_CONTROLLER);
-    if (xpt2046_cs_ctrl.gpio_dev == NULL) {
-        printk("Cannot find %s!\n", XPT2046_CS_GPIO_CONTROLLER);
-        return;
-    }
-    gpio_pin_configure(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN,
-                       GPIO_OUTPUT);
-    gpio_pin_set(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN, 1);
-    xpt2046_cs_ctrl.gpio_pin = XPT2046_CS_GPIO_PIN;
-    xpt2046_cs_ctrl.delay = 0;
-    spi_conf_xpt2046.cs = &xpt2046_cs_ctrl;
-
-#endif
-
-#ifdef XPT2046_PEN_GPIO_CONTROLLER
-
-    xpt2046_pen_gpio_dev = device_get_binding(XPT2046_PEN_GPIO_CONTROLLER);
-    if (!xpt2046_pen_gpio_dev) {
-        printk("Cannot find %s!\n", XPT2046_PEN_GPIO_CONTROLLER);
-        return;
-    }
-    /* Setup GPIO input */
-    ret = gpio_pin_configure(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN,
-                             (GPIO_INPUT | GPIO_INT_ENABLE | GPIO_INT_EDGE
-                              | GPIO_INT_LOW_0 | GPIO_INT_DEBOUNCE));
-    if (ret) {
-        printk("Error configuring pin %d!\n", XPT2046_PEN_GPIO_PIN);
-    }
-
-    gpio_init_callback(&gpio_cb, xpt2046_pen_gpio_callback,
-                       BIT(XPT2046_PEN_GPIO_PIN));
-
-    ret = gpio_add_callback(xpt2046_pen_gpio_dev, &gpio_cb);
-    if (ret) {
-        printk("gpio_add_callback error\n");
-    }
-    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret) {
-        printk("gpio_enable_callback error\n");
-    }
-#endif
-
-    k_sem_init(&sem_touch_read, 0, 1);
-
-    k_thread_create(&touch_thread_data, touch_read_thread_stack,
-                    TOUCH_READ_THREAD_STACK_SIZE, touch_screen_read_thread,
-                    NULL, NULL, NULL, 5, 0, K_NO_WAIT);
-    printf("xpt2046_init ok \n");
-}
-
-/**
- * Get the current position and state of the touchpad
- * @param data store the read data here
- * @return false: because no ore data to be read
- */
-bool
-xpt2046_read(lv_indev_data_t *data)
-{
-    static int16_t last_x = 0;
-    static int16_t last_y = 0;
-    bool valid = true;
-    int s32_ret = 0;
-
-    int16_t x = 0;
-    int16_t y = 0;
-
-    char tx1[16] = { 0 };
-    char rx1[16] = { 0 };
-
-    struct spi_buf tx_buf = { .buf = &tx1, .len = 3 };
-    struct spi_buf_set tx_bufs = { .buffers = &tx_buf, .count = 1 };
-    struct spi_buf rx_buf = { .buf = &rx1, .len = 3 };
-    struct spi_buf_set rx_bufs = { .buffers = &rx_buf, .count = 1 };
-
-    tx1[0] = CMD_X_READ;
-    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
-    if (s32_ret != 0) {
-        printf("spi_transceive return failed:%d\n", s32_ret);
-    }
-    x = rx1[1] << 8;
-    x += rx1[2];
-
-    tx1[0] = CMD_Y_READ;
-    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
-    if (s32_ret != 0) {
-        printf("spi_transceive return failed:%d\n", s32_ret);
-    }
-    y = rx1[1] << 8;
-    y += rx1[2];
-    x = x >> 3;
-    y = y >> 3;
-
-    xpt2046_corr(&x, &y);
-    if (y <= 0 || (x > 320)) {
-        valid = false;
-    }
-
-    last_x = x;
-    last_y = y;
-
-    data->point.x = x;
-    data->point.y = y;
-    data->state = valid == false ? LV_INDEV_STATE_REL : LV_INDEV_STATE_PR;
-
-    return valid;
-}
-
-/**********************
- *   STATIC FUNCTIONS
- **********************/
-static void
-xpt2046_corr(int16_t *x, int16_t *y)
-{
-#if XPT2046_XY_SWAP != 0
-    int16_t swap_tmp;
-    swap_tmp = *x;
-    *x = *y;
-    *y = swap_tmp;
-#endif
-
-    if ((*x) > XPT2046_X_MIN)
-        (*x) -= XPT2046_X_MIN;
-    else
-        (*x) = 0;
-
-    if ((*y) > XPT2046_Y_MIN)
-        (*y) -= XPT2046_Y_MIN;
-    else
-        (*y) = 0;
-
-    (*x) = (uint32_t)((uint32_t)(*x) * XPT2046_HOR_RES)
-           / (XPT2046_X_MAX - XPT2046_X_MIN);
-
-    (*y) = (uint32_t)((uint32_t)(*y) * XPT2046_VER_RES)
-           / (XPT2046_Y_MAX - XPT2046_Y_MIN);
-
-#if XPT2046_X_INV != 0
-    (*x) = XPT2046_HOR_RES - (*x);
-#endif
-
-#if XPT2046_Y_INV != 0
-    (*y) = XPT2046_VER_RES - (*y);
-#endif
-}
-
-#if 0
-static void xpt2046_avg(int16_t * x, int16_t * y)
-{
-    /*Shift out the oldest data*/
-    uint8_t i;
-    for (i = XPT2046_AVG - 1; i > 0; i--) {
-        avg_buf_x[i] = avg_buf_x[i - 1];
-        avg_buf_y[i] = avg_buf_y[i - 1];
-    }
-
-    /*Insert the new point*/
-    avg_buf_x[0] = *x;
-    avg_buf_y[0] = *y;
-    if (avg_last < XPT2046_AVG)
-        avg_last++;
-
-    /*Sum the x and y coordinates*/
-    int32_t x_sum = 0;
-    int32_t y_sum = 0;
-    for (i = 0; i < avg_last; i++) {
-        x_sum += avg_buf_x[i];
-        y_sum += avg_buf_y[i];
-    }
-
-    /*Normalize the sums*/
-    (*x) = (int32_t) x_sum / avg_last;
-    (*y) = (int32_t) y_sum / avg_last;
-}
-#endif
-
-bool
-touchscreen_read(lv_indev_data_t *data)
-{
-    /*Store the collected data*/
-    data->point.x = last_touch_point.point.x;
-    data->point.y = last_touch_point.point.y;
-    data->state = last_touch_point.state;
-
-    if (last_touch_point.state == LV_INDEV_STATE_PR) {
-        last_touch_point.state = LV_INDEV_STATE_REL;
-    }
-    return false;
-}
-
-#endif

samples/gui/wasm-runtime-wgl/src/platform/zephyr/display_ili9340.h

@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
-#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
-#include "board_config.h"
-#include <autoconf.h>
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#define ILI9340_CMD_ENTER_SLEEP 0x10
-#define ILI9340_CMD_EXIT_SLEEP 0x11
-#define ILI9340_CMD_GAMMA_SET 0x26
-#define ILI9340_CMD_DISPLAY_OFF 0x28
-#define ILI9340_CMD_DISPLAY_ON 0x29
-#define ILI9340_CMD_COLUMN_ADDR 0x2a
-#define ILI9340_CMD_PAGE_ADDR 0x2b
-#define ILI9340_CMD_MEM_WRITE 0x2c
-#define ILI9340_CMD_MEM_ACCESS_CTRL 0x36
-#define ILI9340_CMD_PIXEL_FORMAT_SET 0x3A
-#define ILI9340_CMD_FRAME_CTRL_NORMAL_MODE 0xB1
-#define ILI9340_CMD_DISPLAY_FUNCTION_CTRL 0xB6
-#define ILI9340_CMD_POWER_CTRL_1 0xC0
-#define ILI9340_CMD_POWER_CTRL_2 0xC1
-#define ILI9340_CMD_VCOM_CTRL_1 0xC5
-#define ILI9340_CMD_VCOM_CTRL_2 0xC7
-#define ILI9340_CMD_POSITVE_GAMMA_CORRECTION 0xE0
-#define ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION 0xE1
-
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MY 0x80
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MX 0x40
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MV 0x20
-#define ILI9340_DATA_MEM_ACCESS_CTRL_ML 0x10
-#define ILI9340_DATA_MEM_ACCESS_CTRL_BGR 0x08
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MH 0x04
-
-#define ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT 0x60
-#define ILI9340_DATA_PIXEL_FORMAT_RGB_16_BIT 0x50
-#define ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT 0x06
-#define ILI9340_DATA_PIXEL_FORMAT_MCU_16_BIT 0x05
-
-struct ili9340_data;
-
-/**
- * Send data to ILI9340 display controller
- *
- * @param data Device data structure
- * @param cmd Command to send to display controller
- * @param tx_data Data to transmit to the display controller
- * In case no data should be transmitted pass a NULL pointer
- * @param tx_len Number of bytes in tx_data buffer
- *
- */
-void
-ili9340_transmit(struct ili9340_data *data, u8_t cmd, void *tx_data,
-                 size_t tx_len);
-
-/**
- * Perform LCD specific initialization
- *
- * @param data Device data structure
- */
-void
-ili9340_lcd_init(struct ili9340_data *data);
-
-#define DT_ILITEK_ILI9340_0_LABEL "DISPLAY"
-#define CONFIG_DISPLAY_LOG_LEVEL 0
-
-#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ */

samples/gui/wasm-runtime-wgl/src/platform/zephyr/iwasm_main.c

@@ -1,195 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation.  All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-#include "bh_platform.h"
-#include "runtime_lib.h"
-#include "native_interface.h"
-#include "app_manager_export.h"
-#include "board_config.h"
-#include "bh_common.h"
-#include "bh_queue.h"
-#include "runtime_sensor.h"
-#include "bi-inc/attr_container.h"
-#include "module_wasm_app.h"
-#include "wasm_export.h"
-#include "display.h"
-#include "lvgl.h"
-
-extern bool
-init_sensor_framework();
-extern void
-exit_sensor_framework();
-extern int
-aee_host_msg_callback(void *msg, uint32_t msg_len);
-extern bool
-touchscreen_read(lv_indev_data_t *data);
-extern int
-ili9340_init();
-extern void
-xpt2046_init(void);
-extern void
-wgl_init();
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#include <drivers/uart.h>
-#include <device.h>
-
-int uart_char_cnt = 0;
-
-static void
-uart_irq_callback(struct device *dev)
-{
-    unsigned char ch;
-
-    while (uart_poll_in(dev, &ch) == 0) {
-        uart_char_cnt++;
-        aee_host_msg_callback(&ch, 1);
-    }
-}
-
-struct device *uart_dev = NULL;
-
-static bool
-host_init()
-{
-    uart_dev = device_get_binding(HOST_DEVICE_COMM_UART_NAME);
-    if (!uart_dev) {
-        printf("UART: Device driver not found.\n");
-        return false;
-    }
-    uart_irq_rx_enable(uart_dev);
-    uart_irq_callback_set(uart_dev, uart_irq_callback);
-    return true;
-}
-
-int
-host_send(void *ctx, const char *buf, int size)
-{
-    if (!uart_dev)
-        return 0;
-
-    for (int i = 0; i < size; i++)
-        uart_poll_out(uart_dev, buf[i]);
-
-    return size;
-}
-
-void
-host_destroy()
-{}
-
-/* clang-format off */
-host_interface interface = {
-    .init = host_init,
-    .send = host_send,
-    .destroy = host_destroy
-};
-/* clang-format on */
-
-timer_ctx_t timer_ctx;
-
-static char global_heap_buf[270 * 1024] = { 0 };
-
-static uint8_t color_copy[320 * 10 * 3];
-
-static void
-display_flush(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color)
-{
-    u16_t w = area->x2 - area->x1 + 1;
-    u16_t h = area->y2 - area->y1 + 1;
-    struct display_buffer_descriptor desc;
-    int i;
-    uint8_t *color_p = color_copy;
-
-    desc.buf_size = 3 * w * h;
-    desc.width = w;
-    desc.pitch = w;
-    desc.height = h;
-
-    for (i = 0; i < w * h; i++, color++) {
-        color_p[i * 3] = color->ch.red;
-        color_p[i * 3 + 1] = color->ch.green;
-        color_p[i * 3 + 2] = color->ch.blue;
-    }
-
-    display_write(NULL, area->x1, area->y1, &desc, (void *)color_p);
-
-    lv_disp_flush_ready(disp_drv); /* in v5.3 is lv_flush_ready */
-}
-
-static bool
-display_input_read(lv_indev_drv_t *indev_drv, lv_indev_data_t *data)
-{
-    return touchscreen_read(data);
-}
-
-/**
- * Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics
- * library
- */
-static void
-hal_init(void)
-{
-    xpt2046_init();
-    ili9340_init();
-    display_blanking_off(NULL);
-
-    /*Create a display buffer*/
-    static lv_disp_buf_t disp_buf1;
-    static lv_color_t buf1_1[320 * 10];
-    lv_disp_buf_init(&disp_buf1, buf1_1, NULL, 320 * 10);
-
-    /*Create a display*/
-    lv_disp_drv_t disp_drv;
-    lv_disp_drv_init(&disp_drv); /*Basic initialization*/
-    disp_drv.buffer = &disp_buf1;
-    disp_drv.flush_cb = display_flush;
-    //    disp_drv.hor_res = 200;
-    //    disp_drv.ver_res = 100;
-    lv_disp_drv_register(&disp_drv);
-
-    lv_indev_drv_t indev_drv;
-    lv_indev_drv_init(&indev_drv); /*Basic initialization*/
-    indev_drv.type = LV_INDEV_TYPE_POINTER;
-    indev_drv.read_cb = display_input_read;
-    lv_indev_drv_register(&indev_drv);
-}
-
-int
-iwasm_main()
-{
-    RuntimeInitArgs init_args;
-    host_init();
-
-    memset(&init_args, 0, sizeof(RuntimeInitArgs));
-
-    init_args.mem_alloc_type = Alloc_With_Pool;
-    init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
-    init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
-
-    /* initialize runtime environment */
-    if (!wasm_runtime_full_init(&init_args)) {
-        printf("Init runtime environment failed.\n");
-        return -1;
-    }
-
-    wgl_init();
-    hal_init();
-
-    /* timer manager */
-    if (!init_wasm_timer()) {
-        goto fail;
-    }
-
-    app_manager_startup(&interface);
-
-fail:
-    wasm_runtime_destroy();
-    return -1;
-}

samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/XPT2046.c

@@ -1,349 +0,0 @@
-/**
- * @file XPT2046.c
- */
-/*********************
- *      INCLUDES
- *********************/
-#include "XPT2046.h"
-#include "board_config.h"
-#include "stdio.h"
-#include <string.h>
-#include "drivers/spi.h"
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#include <kernel.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#if USE_XPT2046
-
-#include <stddef.h>
-
-#define abs(x) ((x) < 0 ? -(x) : (x))
-
-/*********************
- *      DEFINES
- *********************/
-
-/**********************
- *      TYPEDEFS
- **********************/
-
-/**********************
- *  STATIC PROTOTYPES
- **********************/
-static void
-xpt2046_corr(int16_t *x, int16_t *y);
-#if 0
-static void xpt2046_avg(int16_t * x, int16_t * y);
-#endif
-
-/**********************
- *  STATIC VARIABLES
- **********************/
-int16_t avg_buf_x[XPT2046_AVG];
-int16_t avg_buf_y[XPT2046_AVG];
-uint8_t avg_last;
-
-/**********************
- *      MACROS
- **********************/
-
-/**********************
- *   GLOBAL FUNCTIONS
- **********************/
-
-/**
- * Initialize the XPT2046
- */
-struct device *input_dev;
-
-struct spi_config spi_conf_xpt2046;
-struct spi_cs_control xpt2046_cs_ctrl;
-struct device *xpt2046_pen_gpio_dev;
-static struct gpio_callback gpio_cb;
-lv_indev_data_t touch_point;
-lv_indev_data_t last_touch_point;
-
-#define TOUCH_READ_THREAD_STACK_SIZE 4096
-static K_THREAD_STACK_DEFINE(touch_read_thread_stack,
-                             TOUCH_READ_THREAD_STACK_SIZE);
-static struct k_thread touch_thread_data;
-static struct k_sem sem_touch_read;
-
-K_MUTEX_DEFINE(spi_display_touch_mutex);
-
-int cnt = 0;
-int touch_read_times = 0;
-int last_pen_interrupt_time = 0;
-
-void
-xpt2046_pen_gpio_callback(struct device *port, struct gpio_callback *cb,
-                          uint32_t pins)
-{
-    cnt++;
-    if ((k_uptime_get_32() - last_pen_interrupt_time) > 500) {
-        k_sem_give(&sem_touch_read);
-        touch_read_times++;
-        last_pen_interrupt_time = k_uptime_get_32();
-    }
-}
-
-void
-disable_pen_interrupt()
-{
-    int ret = 0;
-    ret = gpio_disable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret != 0) {
-        printf("gpio_pin_configure GPIO_INPUT failed\n");
-    }
-}
-void
-enable_pen_interrupt()
-{
-    int ret = 0;
-    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret != 0) {
-        printf("gpio_pin_configure failed\n");
-    }
-}
-
-void
-touch_screen_read_thread()
-{
-    int i;
-    bool ret = false;
-
-    for (;;) {
-        k_sem_take(&sem_touch_read, K_FOREVER);
-        memset(&last_touch_point, 0, sizeof(lv_indev_data_t));
-        memset(&touch_point, 0, sizeof(lv_indev_data_t));
-        memset(avg_buf_x, 0, sizeof(avg_buf_x));
-        memset(avg_buf_y, 0, sizeof(avg_buf_y));
-        k_mutex_lock(&spi_display_touch_mutex, K_FOREVER);
-        disable_pen_interrupt();
-        for (i = 0; i < 100; i++) {
-            ret = xpt2046_read(&touch_point);
-            if (ret) {
-                if ((abs(last_touch_point.point.x - touch_point.point.x) < 4)
-                    && (abs(last_touch_point.point.y - touch_point.point.y)
-                        < 4)) {
-                    break;
-                }
-                last_touch_point = touch_point;
-            }
-        }
-        enable_pen_interrupt();
-        k_mutex_unlock(&spi_display_touch_mutex);
-    }
-}
-
-void
-xpt2046_init(void)
-{
-    int ret;
-    input_dev = device_get_binding(XPT2046_SPI_DEVICE_NAME);
-
-    if (input_dev == NULL) {
-        printf("device not found.  Aborting test.");
-        return;
-    }
-    memset((void *)&touch_point, 0, sizeof(lv_indev_data_t));
-
-    spi_conf_xpt2046.frequency = XPT2046_SPI_MAX_FREQUENCY;
-    spi_conf_xpt2046.operation = SPI_OP_MODE_MASTER | SPI_WORD_SET(8);
-    spi_conf_xpt2046.slave = 0;
-    spi_conf_xpt2046.cs = NULL;
-#ifdef XPT2046_CS_GPIO_CONTROLLER
-    xpt2046_cs_ctrl.gpio_dev = device_get_binding(XPT2046_CS_GPIO_CONTROLLER);
-    if (xpt2046_cs_ctrl.gpio_dev == NULL) {
-        printk("Cannot find %s!\n", XPT2046_CS_GPIO_CONTROLLER);
-        return;
-    }
-    gpio_pin_configure(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN,
-                       GPIO_OUTPUT);
-    gpio_pin_set(xpt2046_cs_ctrl.gpio_dev, XPT2046_CS_GPIO_PIN, 1);
-    xpt2046_cs_ctrl.gpio_pin = XPT2046_CS_GPIO_PIN;
-    xpt2046_cs_ctrl.delay = 0;
-    spi_conf_xpt2046.cs = &xpt2046_cs_ctrl;
-
-#endif
-
-#ifdef XPT2046_PEN_GPIO_CONTROLLER
-
-    xpt2046_pen_gpio_dev = device_get_binding(XPT2046_PEN_GPIO_CONTROLLER);
-    if (!xpt2046_pen_gpio_dev) {
-        printk("Cannot find %s!\n", XPT2046_PEN_GPIO_CONTROLLER);
-        return;
-    }
-    /* Setup GPIO input */
-    ret = gpio_pin_configure(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN,
-                             (GPIO_INPUT | GPIO_INT_ENABLE | GPIO_INT_EDGE
-                              | GPIO_INT_LOW_0 | GPIO_INT_DEBOUNCE));
-    if (ret) {
-        printk("Error configuring pin %d!\n", XPT2046_PEN_GPIO_PIN);
-    }
-
-    gpio_init_callback(&gpio_cb, xpt2046_pen_gpio_callback,
-                       BIT(XPT2046_PEN_GPIO_PIN));
-
-    ret = gpio_add_callback(xpt2046_pen_gpio_dev, &gpio_cb);
-    if (ret) {
-        printk("gpio_add_callback error\n");
-    }
-    ret = gpio_enable_callback(xpt2046_pen_gpio_dev, XPT2046_PEN_GPIO_PIN);
-    if (ret) {
-        printk("gpio_enable_callback error\n");
-    }
-#endif
-
-    k_sem_init(&sem_touch_read, 0, 1);
-
-    k_thread_create(&touch_thread_data, touch_read_thread_stack,
-                    TOUCH_READ_THREAD_STACK_SIZE, touch_screen_read_thread,
-                    NULL, NULL, NULL, 5, 0, K_NO_WAIT);
-    printf("xpt2046_init ok \n");
-}
-
-/**
- * Get the current position and state of the touchpad
- * @param data store the read data here
- * @return false: because no ore data to be read
- */
-bool
-xpt2046_read(lv_indev_data_t *data)
-{
-    static int16_t last_x = 0;
-    static int16_t last_y = 0;
-    bool valid = true;
-    int s32_ret = 0;
-
-    int16_t x = 0;
-    int16_t y = 0;
-
-    char tx1[16] = { 0 };
-    char rx1[16] = { 0 };
-
-    struct spi_buf tx_buf = { .buf = &tx1, .len = 3 };
-    struct spi_buf_set tx_bufs = { .buffers = &tx_buf, .count = 1 };
-    struct spi_buf rx_buf = { .buf = &rx1, .len = 3 };
-    struct spi_buf_set rx_bufs = { .buffers = &rx_buf, .count = 1 };
-
-    tx1[0] = CMD_X_READ;
-    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
-    if (s32_ret != 0) {
-        printf("spi_transceive return failed:%d\n", s32_ret);
-    }
-    x = rx1[1] << 8;
-    x += rx1[2];
-
-    tx1[0] = CMD_Y_READ;
-    s32_ret = spi_transceive(input_dev, &spi_conf_xpt2046, &tx_bufs, &rx_bufs);
-    if (s32_ret != 0) {
-        printf("spi_transceive return failed:%d\n", s32_ret);
-    }
-    y = rx1[1] << 8;
-    y += rx1[2];
-    x = x >> 3;
-    y = y >> 3;
-
-    xpt2046_corr(&x, &y);
-    if (y <= 0 || (x > 320)) {
-        valid = false;
-    }
-
-    last_x = x;
-    last_y = y;
-
-    data->point.x = x;
-    data->point.y = y;
-    data->state = valid == false ? LV_INDEV_STATE_REL : LV_INDEV_STATE_PR;
-
-    return valid;
-}
-
-/**********************
- *   STATIC FUNCTIONS
- **********************/
-static void
-xpt2046_corr(int16_t *x, int16_t *y)
-{
-#if XPT2046_XY_SWAP != 0
-    int16_t swap_tmp;
-    swap_tmp = *x;
-    *x = *y;
-    *y = swap_tmp;
-#endif
-
-    if ((*x) > XPT2046_X_MIN)
-        (*x) -= XPT2046_X_MIN;
-    else
-        (*x) = 0;
-
-    if ((*y) > XPT2046_Y_MIN)
-        (*y) -= XPT2046_Y_MIN;
-    else
-        (*y) = 0;
-
-    (*x) = (uint32_t)((uint32_t)(*x) * XPT2046_HOR_RES)
-           / (XPT2046_X_MAX - XPT2046_X_MIN);
-
-    (*y) = (uint32_t)((uint32_t)(*y) * XPT2046_VER_RES)
-           / (XPT2046_Y_MAX - XPT2046_Y_MIN);
-
-#if XPT2046_X_INV != 0
-    (*x) = XPT2046_HOR_RES - (*x);
-#endif
-
-#if XPT2046_Y_INV != 0
-    (*y) = XPT2046_VER_RES - (*y);
-#endif
-}
-
-#if 0
-static void xpt2046_avg(int16_t * x, int16_t * y)
-{
-    /*Shift out the oldest data*/
-    uint8_t i;
-    for (i = XPT2046_AVG - 1; i > 0; i--) {
-        avg_buf_x[i] = avg_buf_x[i - 1];
-        avg_buf_y[i] = avg_buf_y[i - 1];
-    }
-
-    /*Insert the new point*/
-    avg_buf_x[0] = *x;
-    avg_buf_y[0] = *y;
-    if (avg_last < XPT2046_AVG)
-        avg_last++;
-
-    /*Sum the x and y coordinates*/
-    int32_t x_sum = 0;
-    int32_t y_sum = 0;
-    for (i = 0; i < avg_last; i++) {
-        x_sum += avg_buf_x[i];
-        y_sum += avg_buf_y[i];
-    }
-
-    /*Normalize the sums*/
-    (*x) = (int32_t) x_sum / avg_last;
-    (*y) = (int32_t) y_sum / avg_last;
-}
-#endif
-
-bool
-touchscreen_read(lv_indev_data_t *data)
-{
-    /*Store the collected data*/
-    data->point.x = last_touch_point.point.x;
-    data->point.y = last_touch_point.point.y;
-    data->state = last_touch_point.state;
-
-    if (last_touch_point.state == LV_INDEV_STATE_PR) {
-        last_touch_point.state = LV_INDEV_STATE_REL;
-    }
-    return false;
-}
-
-#endif

samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/display_ili9340.h

@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-#ifndef ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
-#define ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_
-#include "board_config.h"
-#include <autoconf.h>
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#define ILI9340_CMD_ENTER_SLEEP 0x10
-#define ILI9340_CMD_EXIT_SLEEP 0x11
-#define ILI9340_CMD_GAMMA_SET 0x26
-#define ILI9340_CMD_DISPLAY_OFF 0x28
-#define ILI9340_CMD_DISPLAY_ON 0x29
-#define ILI9340_CMD_COLUMN_ADDR 0x2a
-#define ILI9340_CMD_PAGE_ADDR 0x2b
-#define ILI9340_CMD_MEM_WRITE 0x2c
-#define ILI9340_CMD_MEM_ACCESS_CTRL 0x36
-#define ILI9340_CMD_PIXEL_FORMAT_SET 0x3A
-#define ILI9340_CMD_FRAME_CTRL_NORMAL_MODE 0xB1
-#define ILI9340_CMD_DISPLAY_FUNCTION_CTRL 0xB6
-#define ILI9340_CMD_POWER_CTRL_1 0xC0
-#define ILI9340_CMD_POWER_CTRL_2 0xC1
-#define ILI9340_CMD_VCOM_CTRL_1 0xC5
-#define ILI9340_CMD_VCOM_CTRL_2 0xC7
-#define ILI9340_CMD_POSITVE_GAMMA_CORRECTION 0xE0
-#define ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION 0xE1
-
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MY 0x80
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MX 0x40
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MV 0x20
-#define ILI9340_DATA_MEM_ACCESS_CTRL_ML 0x10
-#define ILI9340_DATA_MEM_ACCESS_CTRL_BGR 0x08
-#define ILI9340_DATA_MEM_ACCESS_CTRL_MH 0x04
-
-#define ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT 0x60
-#define ILI9340_DATA_PIXEL_FORMAT_RGB_16_BIT 0x50
-#define ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT 0x06
-#define ILI9340_DATA_PIXEL_FORMAT_MCU_16_BIT 0x05
-
-struct ili9340_data;
-
-/**
- * Send data to ILI9340 display controller
- *
- * @param data Device data structure
- * @param cmd Command to send to display controller
- * @param tx_data Data to transmit to the display controller
- * In case no data should be transmitted pass a NULL pointer
- * @param tx_len Number of bytes in tx_data buffer
- *
- */
-void
-ili9340_transmit(struct ili9340_data *data, uint8_t cmd, void *tx_data,
-                 size_t tx_len);
-
-/**
- * Perform LCD specific initialization
- *
- * @param data Device data structure
- */
-void
-ili9340_lcd_init(struct ili9340_data *data);
-
-#define DT_ILITEK_ILI9340_0_LABEL "DISPLAY"
-#define CONFIG_DISPLAY_LOG_LEVEL 0
-
-#endif /* ZEPHYR_DRIVERS_DISPLAY_DISPLAY_ILI9340_H_ */

samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/iwasm_main.c

@@ -1,136 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation.  All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-#include "bh_platform.h"
-#include "runtime_lib.h"
-#include "native_interface.h"
-#include "app_manager_export.h"
-#include "board_config.h"
-#include "bh_platform.h"
-#include "runtime_sensor.h"
-#include "bi-inc/attr_container.h"
-#include "module_wasm_app.h"
-#include "wasm_export.h"
-#include "sensor_native_api.h"
-#include "connection_native_api.h"
-#include "display_indev.h"
-
-#if KERNEL_VERSION_NUMBER < 0x030200 /* version 3.2.0 */
-#include <zephyr.h>
-#else
-#include <zephyr/kernel.h>
-#endif
-
-#include <drivers/uart.h>
-#include <device.h>
-
-extern bool
-init_sensor_framework();
-extern void
-exit_sensor_framework();
-extern int
-aee_host_msg_callback(void *msg, uint32_t msg_len);
-
-int uart_char_cnt = 0;
-
-static void
-uart_irq_callback(const struct device *dev, void *user_data)
-{
-    unsigned char ch;
-
-    while (uart_poll_in(dev, &ch) == 0) {
-        uart_char_cnt++;
-        aee_host_msg_callback(&ch, 1);
-    }
-    (void)user_data;
-}
-
-const struct device *uart_dev = NULL;
-
-static bool
-host_init()
-{
-    uart_dev = device_get_binding(HOST_DEVICE_COMM_UART_NAME);
-    if (!uart_dev) {
-        printf("UART: Device driver not found.\n");
-        return false;
-    }
-    uart_irq_rx_enable(uart_dev);
-    uart_irq_callback_set(uart_dev, uart_irq_callback);
-    return true;
-}
-
-int
-host_send(void *ctx, const char *buf, int size)
-{
-    if (!uart_dev)
-        return 0;
-
-    for (int i = 0; i < size; i++)
-        uart_poll_out(uart_dev, buf[i]);
-
-    return size;
-}
-
-void
-host_destroy()
-{}
-
-/* clang-format off */
-host_interface interface = {
-    .init = host_init,
-    .send = host_send,
-    .destroy = host_destroy
-};
-/* clang-format on */
-
-timer_ctx_t timer_ctx;
-
-static char global_heap_buf[350 * 1024] = { 0 };
-
-static NativeSymbol native_symbols[] = {
-    EXPORT_WASM_API_WITH_SIG(display_input_read, "(*)i"),
-    EXPORT_WASM_API_WITH_SIG(display_flush, "(iiii*)"),
-    EXPORT_WASM_API_WITH_SIG(display_fill, "(iiii*)"),
-    EXPORT_WASM_API_WITH_SIG(display_vdb_write, "(*iii*i)"),
-    EXPORT_WASM_API_WITH_SIG(display_map, "(iiii*)"),
-    EXPORT_WASM_API_WITH_SIG(time_get_ms, "()i")
-};
-
-int
-iwasm_main()
-{
-    RuntimeInitArgs init_args;
-
-    host_init();
-
-    memset(&init_args, 0, sizeof(RuntimeInitArgs));
-
-    init_args.mem_alloc_type = Alloc_With_Pool;
-    init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
-    init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
-
-    init_args.native_module_name = "env";
-    init_args.n_native_symbols = sizeof(native_symbols) / sizeof(NativeSymbol);
-    init_args.native_symbols = native_symbols;
-
-    /* initialize runtime environment */
-    if (!wasm_runtime_full_init(&init_args)) {
-        printf("Init runtime environment failed.\n");
-        return -1;
-    }
-
-    display_init();
-
-    /* timer manager */
-    if (!init_wasm_timer()) {
-        goto fail;
-    }
-
-    app_manager_startup(&interface);
-
-fail:
-    wasm_runtime_destroy();
-    return -1;
-}