initial shell implement

source/firmware/kernel/interface/shell.h

@@ -0,0 +1,14 @@
+/*
+ * shell.h
+ *
+ *  Created on: Aug 1, 2016
+ *      Author: tkl
+ */
+
+#ifndef SOURCE_FIRMWARE_KERNEL_INTERFACE_SHELL_H_
+#define SOURCE_FIRMWARE_KERNEL_INTERFACE_SHELL_H_
+
+int shell_init(const struct driver *shell_device);
+int shell_add_command(const char *command, const void *callback, const void *param);
+
+#endif /* SOURCE_FIRMWARE_KERNEL_INTERFACE_SHELL_H_ */

source/firmware/kernel/shell.c

@@ -0,0 +1,34 @@
+/*
+ * shell.c
+ *
+ *  Created on: Aug 1, 2016
+ *      Author: tkl
+ */
+
+#include <stddef.h>
+#include <stdbool.h>
+
+#include "stack.h"
+#include "queue.h"
+#include "driver.h"
+#include "kernel.h"
+
+#define RX_STACK_SIZE  256
+stack_t rx_stack[RX_STACK_SIZE];
+struct thread_context rx_thread;
+
+void rx_func(void *arg)
+{
+}
+
+
+int shell_init(const struct driver *shell_device)
+{
+	thread_create(&rx_thread, rx_stack, RX_STACK_SIZE, rx_func, NULL, THREAD_PRIO_LOW);
+	return -1;
+}
+
+int shell_add_command(const char *command, const void *callback, const void *param)
+{
+	return -1;
+}