Reorg skeleton

reference-projects/windows-macos-linux/web-ui-dashboard/hal.h

@@ -0,0 +1,21 @@
+// Copyright (c) 2024 Cesanta Software Limited
+// All rights reserved
+
+#pragma once
+
+#define LED1 0
+#define LED2 1
+#define UART_DEBUG NULL
+
+// No-op HAL API implementation for a device with GPIO and UART
+#define hal_init()
+#define hal_ram_free() 0
+#define hal_ram_used() 0
+#define gpio_output(pin)
+#define gpio_toggle(pin)
+#define gpio_read(pin) 0
+#define gpio_write(pin, val)
+#define uart_init(uart, baud)
+#define uart_read_ready(uart) 0
+#define uart_write_byte(uart, ch)
+#define uart_write_buf(uart, buf, len)