1 files changed, 105 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/display_indev.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/display_indev.c
new file mode 100644
index 000000000..b2f9f8e52
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/display_indev.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include <stdio.h>
+#include <stdbool.h>
+#include "display_indev.h"
+#include "display.h"
+#include "wasm_export.h"
+#include "app_manager_export.h"
+
+#define MONITOR_HOR_RES 320
+#define MONITOR_VER_RES 240
+#ifndef MONITOR_ZOOM
+#define MONITOR_ZOOM 1
+#endif
+
+extern int
+ili9340_init();
+
+static int lcd_initialized = 0;
+
+void
+display_init(void)
+{
+    if (lcd_initialized != 0) {
+        return;
+    }
+    lcd_initialized = 1;
+    xpt2046_init();
+    ili9340_init();
+    display_blanking_off(NULL);
+}
+
+void
+display_flush(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
+              int32_t y2, lv_color_t *color)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+    struct display_buffer_descriptor desc;
+
+    if (!wasm_runtime_validate_native_addr(module_inst, color,
+                                           sizeof(lv_color_t)))
+        return;
+
+    uint16_t w = x2 - x1 + 1;
+    uint16_t h = y2 - y1 + 1;
+
+    desc.buf_size = 3 * w * h;
+    desc.width = w;
+    desc.pitch = w;
+    desc.height = h;
+    display_write(NULL, x1, y1, &desc, (void *)color);
+
+    /*lv_flush_ready();*/
+}
+
+void
+display_fill(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
+             int32_t y2, lv_color_t *color)
+{}
+
+void
+display_map(wasm_exec_env_t exec_env, int32_t x1, int32_t y1, int32_t x2,
+            int32_t y2, const lv_color_t *color)
+{}
+
+bool
+display_input_read(wasm_exec_env_t exec_env, void *data)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+    lv_indev_data_t *lv_data = (lv_indev_data_t *)data;
+
+    if (!wasm_runtime_validate_native_addr(module_inst, lv_data,
+                                           sizeof(lv_indev_data_t)))
+        return false;
+
+    return touchscreen_read(lv_data);
+}
+
+void
+display_deinit(wasm_exec_env_t exec_env)
+{}
+
+void
+display_vdb_write(wasm_exec_env_t exec_env, void *buf, lv_coord_t buf_w,
+                  lv_coord_t x, lv_coord_t y, lv_color_t *color, lv_opa_t opa)
+{
+    wasm_module_inst_t module_inst = get_module_inst(exec_env);
+    uint8_t *buf_xy = (uint8_t *)buf + 3 * x + 3 * y * buf_w;
+
+    if (!wasm_runtime_validate_native_addr(module_inst, color,
+                                           sizeof(lv_color_t)))
+        return;
+
+    *buf_xy = color->red;
+    *(buf_xy + 1) = color->green;
+    *(buf_xy + 2) = color->blue;
+}
+
+int
+time_get_ms(wasm_exec_env_t exec_env)
+{
+    return k_uptime_get_32();
+}