int OV7670_Reset(OV7670_HandleTypeDef *hov)
{
HAL_Delay(100);
uint8_t data = COM7_RESET;
if (OV7670_WriteReg(hov, REG_COM7, &data) != OV7670_OK)
{
return OV7670_ERROR;
}
HAL_Delay(100);
return OV7670_OK;
}
/**
* @brief Set the VGA size(640*320).
* @param None
* @retval None
*/
uint8_t DCMI_OV7670_Init(void)
{
uint8_t i;
if(OV7670_WriteReg(REG_COM7, 0x80)!=0)
return 0xff;
Delay(3);
for(i=0;change_reg[i][0]!=0xff;i++)
{
if(OV7670_WriteReg(change_reg[i][0],change_reg[i][1])!=0)
{
return 0xff;
}
}
Delay(100);
return 0;//Init ok
}
int OV7670_WriteRegList(OV7670_HandleTypeDef *hov, const struct regval_t *reg_list)
{
const struct regval_t *pReg = reg_list;
while (pReg->reg_addr != 0xFF && pReg->value != 0xFF)
{
int write_result = OV7670_WriteReg(hov, pReg->reg_addr, &(pReg->value));
if (write_result != OV7670_OK)
{
return write_result;
}
pReg++;
}
return OV7670_OK;
}
