Exemplo n.º 1
0
/*!
 *  @brief      鹰眼ov7725寄存器 初始化
 *  @return     初始化结果(0表示失败,1表示成功)
 *  @since      v5.0
 */
uint8 ov7725_eagle_reg_init(void)
{
    uint16 i = 0;
    uint8 Sensor_IDCode = 0;
    SCCB_GPIO_init();

    //OV7725_Delay_ms(50);
    if( 0 == SCCB_WriteByte ( OV7725_COM7, 0x80 ) ) /*复位sensor */
    {
        DEBUG_PRINTF("\n警告:SCCB写数据错误");
        return 0 ;
    }

    OV7725_EAGLE_Delay_ms(50);

    if( 0 == SCCB_ReadByte( &Sensor_IDCode, 1, OV7725_VER ) )    /* 读取sensor ID号*/
    {
        DEBUG_PRINTF("\n警告:读取ID失败");
        return 0;
    }
    DEBUG_PRINTF("\nGet ID success,SENSOR ID is 0x%x", Sensor_IDCode);
    DEBUG_PRINTF("\nConfig Register Number is %d ", ov7725_eagle_cfgnum);
    if(Sensor_IDCode == OV7725_ID)
    {
        for( i = 0 ; i < ov7725_eagle_cfgnum ; i++ )
        {
            if( 0 == SCCB_WriteByte(ov7725_eagle_reg[i].addr, ov7725_eagle_reg[i].val) )
            {
                DEBUG_PRINTF("\n警告:写寄存器0x%x失败", ov7725_eagle_reg[i].addr);
                return 0;
            }
            if(ov7725_eagle_reg[i].addr == OV7725_BRIGHT)
            {
                if( 0 == SCCB_WriteByte(ov7725_eagle_reg[i].addr, BaiPingHeng) )
              {
                DEBUG_PRINTF("\n警告:写寄存器0x%x失败", ov7725_eagle_reg[i].addr);
                return 0;
              }

            }
                    if(ov7725_eagle_reg[i].addr == OV7725_CNST)
            {
                if( 0 == SCCB_WriteByte(ov7725_eagle_reg[i].addr, DuiBiDu) )
              {
                DEBUG_PRINTF("\n警告:写寄存器0x%x失败", ov7725_eagle_reg[i].addr);
                return 0;
              }
            extern uint16 DuiBiDu;

            }
        }
    }
    else
    {
        return 0;
    }
    DEBUG_PRINTF("\nOV7725 Register Config Success!");
    return 1;
}
/************************************************
 * 函数名:Ov7725_Init
 * 描述  :Sensor初始化
 * 输入  :无
 * 输出  :返回1成功,返回0失败
 * 注意  :无
 ************************************************/
u8 Ov7725_Init(void)
{
    u16 i = 0;
    u8 Sensor_IDCode = 0;
	SCCB_GPIO_init();
	
    DEBUG_OUT("\r\n>>>>>>Kinetis OV7725  Demo<<<<<<\r\n");
    DEBUG_OUT("OV7725 Register Config Start!");
	OV7725_Delay_ms(50);
    while( 0 == SCCB_WriteByte ( 0x12, 0x80 ) ) /*复位sensor */
    {
        i++;
		if(i == 20)
		{
			DEBUG_OUT("警告:SCCB写数据错误");
			//OV7725_Delay_ms(50);
			return 0 ;
		}
		
    }
    OV7725_Delay_ms(50);
    if( 0 == SCCB_ReadByte( &Sensor_IDCode, 1, 0x0b ) )	 /* 读取sensor ID号*/
    {
        DEBUG_OUT("警告:读取ID失败");
        return 0;
    }
    DEBUG_OUT("Get ID success,SENSOR ID is 0x%x", Sensor_IDCode);
    DEBUG_OUT("Config Register Number is %d ", OV7725_REG_NUM);
    if(Sensor_IDCode == OV7725_ID)
    {
        for( i = 0 ; i < OV7725_REG_NUM ; i++ )
        {
            if( 0 == SCCB_WriteByte(Sensor_Config[i].Address, Sensor_Config[i].Value) )
            {
                DEBUG_OUT("警告:写寄存器0x%x失败", Sensor_Config[i].Address);
                return 0;
            }
        }
    }
    else
    {
        return 0;
    }
    DEBUG_OUT("OV7725 Register Config Success!");
    return 1;
}