diff options
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-native-ui-app/main.c')
| -rw-r--r-- | fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-native-ui-app/main.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-native-ui-app/main.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-native-ui-app/main.c new file mode 100644 index 000000000..e67847c6c --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-native-ui-app/main.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2019 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +/** + * @file main + * + */ + +/********************* + * INCLUDES + *********************/ +#include <stdlib.h> +#include <inttypes.h> +#include "lvgl/lvgl.h" +#include "display_indev.h" +#include <unistd.h> + +/********************* + * DEFINES + *********************/ + +/********************** + * TYPEDEFS + **********************/ + +/********************** + * STATIC PROTOTYPES + **********************/ +static void +hal_init(void); +// static int tick_thread(void * data); +// static void memory_monitor(void * param); + +/********************** + * STATIC VARIABLES + **********************/ + +/********************** + * MACROS + **********************/ + +/********************** + * GLOBAL FUNCTIONS + **********************/ +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 = 0; +char label_count1_str[11] = { 0 }; +static lv_res_t +btn_rel_action(lv_obj_t *btn) +{ + label_count1_value++; + snprintf(label_count1_str, sizeof(label_count1_str), "%d", + label_count1_value); + lv_label_set_text(label_count1, label_count1_str); + return LV_RES_OK; +} + +int +main() +{ + void display_SDL_init(); + display_SDL_init(); + + /*Initialize LittlevGL*/ + lv_init(); + + /*Initialize the HAL (display, input devices, tick) for LittlevGL*/ + hal_init(); + + hello_world_label = lv_label_create(lv_scr_act(), NULL); + lv_label_set_text(hello_world_label, "Hello world!"); + lv_obj_align(hello_world_label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0); + + count_label = lv_label_create(lv_scr_act(), NULL); + lv_obj_align(count_label, NULL, LV_ALIGN_IN_TOP_MID, 0, 0); + + btn1 = lv_btn_create( + lv_scr_act(), NULL); /*Create a button on the currently loaded screen*/ + lv_btn_set_action(btn1, LV_BTN_ACTION_CLICK, + btn_rel_action); /*Set function to be called when the + button is released*/ + lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, 20); /*Align below the label*/ + + /*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(lv_scr_act(), NULL); + lv_label_set_text(label_count1, "0"); + lv_obj_align(label_count1, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0); + + while (1) { + /* Periodically call the lv_task handler. + * It could be done in a timer interrupt or an OS task too.*/ + if ((count % 100) == 0) { + snprintf(count_str, sizeof(count_str), "%d", count / 100); + lv_label_set_text(count_label, count_str); + } + lv_task_handler(); + ++count; + usleep(10 * 1000); /*Just to let the system breath*/ + } + + return 0; +} + +/********************** + * STATIC FUNCTIONS + **********************/ + +/** + * Initialize the Hardware Abstraction Layer (HAL) for the Littlev graphics + * library + */ +void +display_flush_wrapper(int32_t x1, int32_t y1, int32_t x2, int32_t y2, + const lv_color_t *color_p) +{ + display_flush(x1, y1, x2, y2, color_p); + lv_flush_ready(); +} +void +display_vdb_write_wrapper(uint8_t *buf, lv_coord_t buf_w, lv_coord_t x, + lv_coord_t y, lv_color_t color, lv_opa_t opa) +{ + display_vdb_write(buf, buf_w, x, y, &color, opa); +} +extern void +display_fill(int32_t x1, int32_t y1, int32_t x2, int32_t y2, + lv_color_t color_p); +extern void +display_map(int32_t x1, int32_t y1, int32_t x2, int32_t y2, + const lv_color_t *color_p); +static void +hal_init(void) +{ + /* Add a display*/ + lv_disp_drv_t disp_drv; + lv_disp_drv_init(&disp_drv); /*Basic initialization*/ + disp_drv.disp_flush = + display_flush_wrapper; /*Used when `LV_VDB_SIZE != 0` in lv_conf.h + (buffered drawing)*/ + disp_drv.disp_fill = display_fill; /*Used when `LV_VDB_SIZE == 0` in + lv_conf.h (unbuffered drawing)*/ + disp_drv.disp_map = display_map; /*Used when `LV_VDB_SIZE == 0` in lv_conf.h + (unbuffered drawing)*/ +#if LV_VDB_SIZE != 0 + disp_drv.vdb_wr = display_vdb_write_wrapper; +#endif + lv_disp_drv_register(&disp_drv); + + /* Add the mouse as input device + * Use the 'mouse' driver which reads the PC's mouse*/ + // mouse_init(); + lv_indev_drv_t indev_drv; + lv_indev_drv_init(&indev_drv); /*Basic initialization*/ + indev_drv.type = LV_INDEV_TYPE_POINTER; + indev_drv.read = + display_input_read; /*This function will be called periodically (by the + library) to get the mouse position and state*/ + lv_indev_t *mouse_indev = lv_indev_drv_register(&indev_drv); +} |