C++ (Cpp) create_data_package Examples

Example #1

File: pando_subdevice.c Project: Zhang-Jia/ds1307-plug-demo

static void ICACHE_FLASH_ATTR
send_current_status()
{
	struct sub_device_buffer* data_buffer;
	data_buffer = create_data_package(0);
	if(NULL == data_buffer)
	{
		PRINTF("create data package error\n");
		return;
	}

	pando_object* obj = NULL;
	pando_objects_iterator* it = create_pando_objects_iterator();
	while(obj = pando_objects_iterator_next(it)){
		PARAMS* params =  create_params_block();
		if (params == NULL)
		{
			PRINTF("Create params block failed.\n");
			return ;
		}
		obj->pack(params);
		int ret = add_next_property(data_buffer, obj->no, params);

		if (ret != 0)
		{
			PRINTF("add_next_property failed.");
		}


		delete_params_block(params);

	}
	delete_pando_objects_iterator(it);

	channel_send_to_device(PANDO_CHANNEL_PORT_1, data_buffer->buffer, data_buffer->buffer_length);
	show_package(data_buffer->buffer, data_buffer->buffer_length);
	delete_device_package(data_buffer);
}

Example #2

File: stdoutsub.c Project: DenisZheng/pando-protocol

struct sub_device_buffer * FUNCTION_ATTRIBUTE construct_sub_device_data()
{
	struct sub_device_buffer *data_buffer = NULL;
	struct TLVs *params_block = NULL;
    int ret = 0;

	uint16_t property_num = 0x1516;
    uint16_t property_num2 = 0x1122;
    uint16_t flag = 0;

	uint32_t data_param1 = 0xa1b2c3d4;
	uint8_t data_param2 = 0xc1;
	char data_param3[] = "test data";


    //create buffer, remember delete
	data_buffer = create_data_package(flag);
	if (data_buffer == NULL)
	{
		pd_printf("Create data package failed.");
	}

    
	params_block = create_params_block();

	if (params_block == NULL)
	{
		pd_printf("Create first tlv param failed.\n");
		return NULL;
	}

    if (add_next_uint32(params_block, data_param1))
	{
		delete_params_block(params_block);
		pd_printf("Add next tlv param failed.\n");
		return NULL;
	}
    
	if (add_next_uint8(params_block, data_param2))
	{
		delete_params_block(params_block);
		pd_printf("Add next tlv param failed.\n");
		return NULL;
	}

    if (add_next_bytes(params_block, strlen(data_param3), data_param3))
	{
		delete_params_block(params_block);
		pd_printf("Add next tlv param failed.\n");
		return NULL;
	}
	
	add_next_property(data_buffer, property_num, params_block);

    // once the params block has been added to data package
    //you must delete it even you are going to add another block to the package
	delete_params_block(params_block);

    //add different property    
    params_block = create_params_block();
    if (params_block == NULL)
	{
		pd_printf("Create first tlv param failed.\n");
		return NULL;
	}
    
	if (add_next_uint8(params_block, data_param2))
	{
		delete_params_block(params_block);
		pd_printf("Add next tlv param failed.\n");
		return NULL;
	}

    if (add_next_bytes(params_block, strlen(data_param3), data_param3))
	{
		delete_params_block(params_block);
		pd_printf("Add next tlv param failed.\n");
		return NULL;
	}

    ret = add_next_property(data_buffer, property_num2, params_block);
    
    if (ret != 0)
    {
        delete_params_block(params_block);
        pd_printf("add_next_property failed.");
        return NULL;
    }

    //do not forget to delete params block again
    delete_params_block(params_block);
    finish_package(data_buffer);
    
    show_package(data_buffer->buffer, data_buffer->buffer_length);
	return data_buffer;
}