kendryte-standalone-sdk/lib/firmware/ov2640.c

/* Copyright 2018 Canaan Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <stdio.h>
#include "ov2640.h"
#include "dvp.h"
#include "plic.h"

/* QVGA Window Size */
static const uint8_t ov2640_config[][2] =
{
    {0xff, 0x00},
    {0x2c, 0xff},
    {0x2e, 0xdf},
    {0xff, 0x01},
    {0x3c, 0x32},
    {0x11, 0x00},
    {0x09, 0x00},
    {0x04, 0x28},
    {0x13, 0xe5},
    {0x14, 0xa8},
    {0x15, 0x00},
    {0x2c, 0x0c},
    {0x33, 0x78},
    {0x3a, 0x33},
    {0x3b, 0xfb},
    {0x3e, 0x00},
    {0x43, 0x11},
    {0x16, 0x10},
    {0x39, 0x92},
    {0x35, 0xda},
    {0x22, 0x1a},
    {0x23, 0x00},
    {0x34, 0xc0},
    {0x06, 0x88},
    {0x07, 0xc0},
    {0x0d, 0x87},
    {0x0e, 0x41},
    {0x4c, 0x00},
    {0x48, 0x00},
    {0x5b, 0x00},
    {0x42, 0x03},
    {0x4a, 0x81},
    {0x21, 0x99},
    {0x24, 0x40},
    {0x25, 0x38},
    {0x26, 0x82},
    {0x5c, 0x00},
    {0x63, 0x00},
    {0x61, 0x70},
    {0x62, 0x80},
    {0x7c, 0x05},
    {0x20, 0x80},
    {0x28, 0x30},
    {0x6c, 0x00},
    {0x6d, 0x80},
    {0x6e, 0x00},
    {0x70, 0x02},
    {0x71, 0x94},
    {0x73, 0xc1},
    {0x0c, 0x3c},
    {0x5d, 0x55},
    {0x5e, 0x7d},
    {0x5f, 0x7d},
    {0x60, 0x55},
    {0x12, 0x40},
    {0x32, 0x09},
    {0x17, 0x11},
    {0x18, 0x43},
    {0x19, 0x00},
    {0x1a, 0x97},
    {0x32, 0x09},
    {0x37, 0x42},
    {0x4f, 0xbb},
    {0x50, 0x9c},
    {0x6d, 0x80},
    {0x35, 0x88},
    {0x22, 0x0a},
    {0x6d, 0x80},
    {0x3d, 0xe1},
    {0xff, 0x00},
    {0xe5, 0x7f},
    {0xf9, 0xc0},
    {0x41, 0x24},
    {0x44, 0x06},
    {0xe0, 0x14},
    {0x76, 0xff},
    {0x33, 0xa0},
    {0x42, 0x20},
    {0x43, 0x18},
    {0x4c, 0x00},
    {0x87, 0xd0},
    {0x88, 0x3f},
    {0xd7, 0x03},
    {0xd9, 0x10},
    {0xd3, 0x82},
    {0xc8, 0x08},
    {0xc9, 0x80},
    {0x7c, 0x00},
    {0x7d, 0x00},
    {0x7c, 0x03},
    {0x7d, 0x48},
    {0x7d, 0x48},
    {0x7c, 0x08},
    {0x7d, 0x20},
    {0x7d, 0x10},
    {0x7d, 0x0e},
    {0x90, 0x00},
    {0x91, 0x0e},
    {0x91, 0x1a},
    {0x91, 0x31},
    {0x91, 0x5a},
    {0x91, 0x69},
    {0x91, 0x75},
    {0x91, 0x7e},
    {0x91, 0x88},
    {0x91, 0x8f},
    {0x91, 0x96},
    {0x91, 0xa3},
    {0x91, 0xaf},
    {0x91, 0xc4},
    {0x91, 0xd7},
    {0x91, 0xe8},
    {0x91, 0x20},
    {0x92, 0x00},
    {0x93, 0x06},
    {0x93, 0xe3},
    {0x93, 0x03},
    {0x93, 0x03},
    {0x93, 0x00},
    {0x93, 0x02},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x93, 0x00},
    {0x96, 0x00},
    {0x97, 0x08},
    {0x97, 0x19},
    {0x97, 0x02},
    {0x97, 0x0c},
    {0x97, 0x24},
    {0x97, 0x30},
    {0x97, 0x28},
    {0x97, 0x26},
    {0x97, 0x02},
    {0x97, 0x98},
    {0x97, 0x80},
    {0x97, 0x00},
    {0x97, 0x00},
    {0xa4, 0x00},
    {0xa8, 0x00},
    {0xc5, 0x11},
    {0xc6, 0x51},
    {0xbf, 0x80},
    {0xc7, 0x10},
    {0xb6, 0x66},
    {0xb8, 0xa5},
    {0xb7, 0x64},
    {0xb9, 0x7c},
    {0xb3, 0xaf},
    {0xb4, 0x97},
    {0xb5, 0xff},
    {0xb0, 0xc5},
    {0xb1, 0x94},
    {0xb2, 0x0f},
    {0xc4, 0x5c},
    {0xa6, 0x00},
    {0xa7, 0x20},
    {0xa7, 0xd8},
    {0xa7, 0x1b},
    {0xa7, 0x31},
    {0xa7, 0x00},
    {0xa7, 0x18},
    {0xa7, 0x20},
    {0xa7, 0xd8},
    {0xa7, 0x19},
    {0xa7, 0x31},
    {0xa7, 0x00},
    {0xa7, 0x18},
    {0xa7, 0x20},
    {0xa7, 0xd8},
    {0xa7, 0x19},
    {0xa7, 0x31},
    {0xa7, 0x00},
    {0xa7, 0x18},
    {0xe0, 0x04},
    {0xc0, 0x64},
    {0xc1, 0x4b},
    {0x86, 0x3d},
    {0x50, 0x80},
    {0x51, 0xc8},
    {0x52, 0x96},
    {0x53, 0x00},
    {0x54, 0x00},
    {0x55, 0x00},
    {0x57, 0x00},
    {0x5a, 0x50},
    {0x5b, 0x3c},
    {0x5c, 0x00},
    {0xd3, 0x04},
    {0xe0, 0x00},
    {0xc3, 0xef},
    {0x7f, 0x00},
    {0xda, 0x08},
    {0xe5, 0x1f},
    {0xe1, 0x67},
    {0xdd, 0x7f},
    {0x05, 0x00},
    {0x98, 0x00},
    {0x99, 0x00},
    {0x00, 0x00},
};

int ov2640_init(void)
{
    uint16_t index = 0;
    for (index = 0; ov2640_config[index][0]; index++)
        dvp_sccb_write(OV2640_ADDR, ov2640_config[index][0], ov2640_config[index][1]);
    return 0;
}

int ov2640_read_id(uint16_t *manuf_id, uint16_t *device_id)
{
    dvp_sccb_write(OV2640_ADDR, 0xFF, 0x01);
    *manuf_id = (dvp_sccb_read(OV2640_ADDR, 0x1C) << 8) | dvp_sccb_read(OV2640_ADDR, 0x1D);
    *device_id = (dvp_sccb_read(OV2640_ADDR, 0x0A) << 8) | dvp_sccb_read(OV2640_ADDR, 0x0B);
    return 0;
}