#ifndef BLE_WECHAT_UTIL
#define BLE_WECHAT_UTIL

#include <stdint.h>
#include "_string.h"


#define PRODUCT_TYPE_UNKNOWN 0
#define PRODUCT_TYPE_MPBBLEDEV 1

typedef void (*data_produce_func)(void *args, uint8_t **r_data, uint32_t *r_len);
typedef void (*data_free_func)(uint8_t *data, uint32_t len);
typedef int (*data_consume_func)(uint8_t *data, uint32_t len);
typedef void (*data_error_func)(int error_code);

typedef int32_t (*data_button_handler_func)(void *p_wcs, uint8_t pin_no);
typedef void (*data_main_process_func)(void *p_wcs);
typedef int32_t (*data_init_func)(void);
typedef void (*data_on_ble_evt_func)(void *p_wcs, void * p_ble_evt);

typedef struct data_handler{
		int m_product_type;
		data_produce_func 				m_data_produce_func;
		data_free_func 						m_data_free_func;
		data_consume_func 				m_data_consume_func;
		data_error_func 					m_data_error_func;
	
		data_on_ble_evt_func 			m_data_on_ble_evt_func;
		data_init_func 						m_data_init_func;
		data_main_process_func 		m_data_main_process_func;
		data_button_handler_func 	m_data_button_handler_func;
		void *m_data_produce_args;
		struct data_handler *next;
} data_handler;

extern data_handler first_handler;

#define REGISTER(NAME)	\
		do {								\
				data_handler *tmp = &NAME##_data_handler;	\
				tmp->next = first_handler.next; \
				first_handler.next = tmp;	\
		} while(0)

#define ARGS_ITEM_SET(ARGS_TYPE, ARGS_POINTER, ITEM_NAME, ITEM_VALUE)	\
		do {	\
				ARGS_TYPE *tmp = (ARGS_TYPE *)ARGS_POINTER;	\
				tmp->ITEM_NAME = ITEM_VALUE;	\
		} while(0)


typedef struct
{
		unsigned char bMagicNumber;
		unsigned char bVer;
		unsigned short nLength;
		unsigned short nCmdId;
		unsigned short nSeq;
} BpFixHead;

data_handler* get_handler_by_type(int type);
unsigned short htons(unsigned short val);
unsigned short ntohs(unsigned short val);
unsigned long t_htonl(unsigned long h);
unsigned long t_ntohl(unsigned long n);
#endif