/*
 * @Author: jiejie
 * @Github: https://github.com/jiejieTop
 * @Date: 2019-12-13 10:48:52
 * @LastEditTime: 2019-12-16 21:26:56
 * @Description: the code belongs to jiejie, please keep the author information and source code according to the license.
 */
#ifndef _CMD_H_
#define _CMD_H_

#define CMD_HASH 0xb433e5c6

#if defined(__CC_ARM) || defined(__CLANG_ARM)   /* ARM Compiler */
    #define SECTION(x)                  __attribute__((section(x)))
    #define CMD_USED                    __attribute__((used))

#elif defined (__IAR_SYSTEMS_ICC__)             /* IAR Compiler */
    #define SECTION(x)                  @ x
    #define CMD_USED                    __root
#else
    #error "not supported tool chain..."
#endif


typedef void (*cmd_handler)(void);

typedef struct cmd {
    const char*     cmd;
    unsigned int    hash;
    cmd_handler     handler;
} cmd_t;

#define REGISTER_CMD(cmd, handler)                              \
    const char _register_##cmd##_cmd[] = #cmd;                  \
    CMD_USED cmd_t _register_##cmd SECTION("CMDS")=             \
    {                                                           \
        _register_##cmd##_cmd,                                  \
        (unsigned int)CMD_HASH,                                 \
        (cmd_handler)&handler                                   \
    };

void cmd_init(void);
void cmd_parsing(char *str);

#endif