1 files changed, 131 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/iwasm_main.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/iwasm_main.c
new file mode 100644
index 000000000..dceb5786b
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/littlevgl/vgl-wasm-runtime/src/platform/zephyr/iwasm_main.c
@@ -0,0 +1,131 @@
+/*
+ * 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"
+
+#include <zephyr.h>
+#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;
+}