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ov5640.c
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ov5640.c
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/******************************************************************************
* Copyright (C) 2023 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
*
******************************************************************************/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "mxc_delay.h"
#include "mxc_device.h"
#include "mxc_errors.h"
#include "mipi_camera.h"
#include "sccb.h"
#include "ov5640_regs.h"
// clang-format off
#define cambus_write(addr, x) sccb_write_reg16(g_slv_addr, addr, x)
#define cambus_read(addr, x) sccb_read_reg16(g_slv_addr, addr, x)
#define cambus_writeb(addr, x) sccb_write_byt(g_slv_addr, addr, x)
#define cambus_readb(addr, x) sccb_read_byt(g_slv_addr, addr, x)
static struct camera_reg default_regs[] = {
// Reset
{0x3102, 0x11},
{0x3008, 0x82},
{0xffff, 150},
{0x3008, 0x02},
{0xffff, 150},
{0x3008, 0x82},
{0xffff, 150},
// SCCB Control
{0x3103, 0x03},
// SC Pad Out Enable
{0x3017, 0xe0},
{0x3018, 0x00},
// SC PLL Control
{0x3034, 0x1a}, // MIPI 10-bit mode
{0x3008, 0x02},
{0x3035, 0x14},
{0x3036, 0x38},
{0x3037, 0x13},
// SCCB Pad Clock Divide
{0x3108, 0x01},
{0x3630, 0x36},
{0x3631, 0x0e},
{0x3632, 0xe2},
{0x3633, 0x12},
{0x3621, 0xe0},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
{0x3600, 0x08},
{0x3601, 0x33},
{0x302d, 0x60},
{0x3620, 0x52},
{0x371b, 0x20},
{0x471c, 0x50},
// AEC Control
{0x3a13, 0x43},
{0x3a18, 0x00},
{0x3a19, 0xf8},
{0x3635, 0x13},
{0x3636, 0x03},
{0x3634, 0x40},
{0x3622, 0x01},
// 5060Hz Control
{0x3c01, 0x34},
{0x3c04, 0x28},
{0x3c05, 0x98},
{0x3c06, 0x00},
{0x3c07, 0x00},
{0x3c08, 0x01},
{0x3c09, 0x2c},
{0x3c0a, 0x9c},
{0x3c0b, 0x40},
{0x3820, 0x06},
{0x3821, 0x00},
// TIMING HS, X_ADDR_ST, X address start [11:8]
{0x3800, 0x01},
// TIMING HS, X_ADDR_ST, X address start [7:0]
{0x3801, 0x5a},
// TIMING VS, Y_ADDR_ST, Y address start [11:8]
{0x3802, 0x00},
// TIMING VS, Y_ADDR_ST, Y address start [7:0]
{0x3803, 0x16},
// TIMING HW, X_ADDR_END, X address end [11:8]
{0x3804, 0x08},
// TIMING HW, X_ADDR_END, X address end [7:0]
{0x3805, 0xc6},
// TIMING VH, Y_ADDR_END, Y address end [11:8]
{0x3806, 0x07},
// TIMING VH, Y_ADDR_END, Y address end [7:0]
{0x3807, 0x82},
// X_OUPUT_SIZE
{0x3808, 0x00},
{0x3809, 0x20},
// Y_OUTPUT_SIZE
{0x380a, 0x00},
{0x380b, 0x20},
// TIMING HTS, Total horizontal size [11:8]
{0x380c, 0x0f},
// TIMING HTS, Total horizontal size [7:0]
{0x380d, 0xff},
// TIMING VTS, Total vertical size [11:8]
{0x380e, 0x04},
// TIMING VTS, Total vertical size [7:0]
{0x380f, 0xd8},
{0x3810, 0x00},
{0x3811, 0x00},
{0x3812, 0x00},
{0x3813, 0x00},
{0x3618, 0x00},
{0x3612, 0x29},
{0x3708, 0x64},
{0x3709, 0x52},
{0x370c, 0x03},
// AEC/AGC Power Down Domain Control
{0x3a02, 0x03},
{0x3a03, 0xd8},
{0x3a08, 0x01},
{0x3a09, 0x27},
{0x3a0a, 0x00},
{0x3a0b, 0xf6},
{0x3a0e, 0x03},
{0x3a0d, 0x04},
{0x3a14, 0x03},
{0x3a15, 0xd8},
// BLC Control
{0x4001, 0x02},
{0x4004, 0x02},
// System Control
{0x3000, 0x00},
{0x3002, 0x1c},
{0x3004, 0xff},
{0x3006, 0xc3},
{0x300e, 0x58},
{0x302e, 0x00},
{0x4740, 0x22},
// Format Control
{0x4300, 0x6f},
// ISP Top Control
{0x501f, 0x01},
// DVP Control
{0x4713, 0x03},
// JPEG Control
{0x4407, 0x04},
{0x440e, 0x00},
// VFIFO Control
{0x460b, 0x35},
{0x460c, 0x23},
// MIPI Transmitter Control
{0x4837, 20},
{0x3824, 0x02},
// ISP Top Control
{0x5000, 0xa7},
{0x5001, 0xa3},
// AWB Control
{0x5180, 0xff},
{0x5181, 0xf2},
{0x5182, 0x00},
{0x5183, 0x14},
{0x5184, 0x25},
{0x5185, 0x24},
{0x5186, 0x09},
{0x5187, 0x09},
{0x5188, 0x09},
{0x5189, 0x88},
{0x518a, 0x54},
{0x518b, 0xee},
{0x518c, 0xb2},
{0x518d, 0x50},
{0x518e, 0x34},
{0x518f, 0x6b},
{0x5190, 0x46},
{0x5191, 0xf8},
{0x5192, 0x04},
{0x5193, 0x70},
{0x5194, 0xf0},
{0x5195, 0xf0},
{0x5196, 0x03},
{0x5197, 0x01},
{0x5198, 0x04},
{0x5199, 0x6c},
{0x519a, 0x04},
{0x519b, 0x00},
{0x519c, 0x09},
{0x519d, 0x2b},
{0x519e, 0x38},
// CMX Control
{0x5381, 0x1e},
{0x5382, 0x5b},
{0x5383, 0x08},
{0x5384, 0x0a},
{0x5385, 0x7e},
{0x5386, 0x88},
{0x5387, 0x7c},
{0x5388, 0x6c},
{0x5389, 0x10},
{0x538a, 0x01},
{0x538b, 0x98},
// CIP Control
{0x5300, 0x08},
{0x5301, 0x30},
{0x5302, 0x10},
{0x5303, 0x00},
{0x5304, 0x08},
{0x5305, 0x30},
{0x5306, 0x08},
{0x5307, 0x16},
{0x5309, 0x08},
{0x530a, 0x30},
{0x530b, 0x04},
{0x530c, 0x06},
// Gamma Control
{0x5480, 0x01},
{0x5481, 0x08},
{0x5482, 0x14},
{0x5483, 0x28},
{0x5484, 0x51},
{0x5485, 0x65},
{0x5486, 0x71},
{0x5487, 0x7d},
{0x5488, 0x87},
{0x5489, 0x91},
{0x548a, 0x9a},
{0x548b, 0xaa},
{0x548c, 0xb8},
{0x548d, 0xcd},
{0x548e, 0xdd},
{0x548f, 0xea},
{0x5490, 0x1d},
// SDE Control
{0x5580, 0x02},
{0x5583, 0x40},
{0x5584, 0x10},
{0x5589, 0x10},
{0x558a, 0x00},
{0x558b, 0xf8},
// LENC Control
{0x5800, 0x23},
{0x5801, 0x14},
{0x5802, 0x0f},
{0x5803, 0x0f},
{0x5804, 0x12},
{0x5805, 0x26},
{0x5806, 0x0c},
{0x5807, 0x08},
{0x5808, 0x05},
{0x5809, 0x05},
{0x580a, 0x08},
{0x580b, 0x0d},
{0x580c, 0x08},
{0x580d, 0x03},
{0x580e, 0x00},
{0x580f, 0x00},
{0x5810, 0x03},
{0x5811, 0x09},
{0x5812, 0x07},
{0x5813, 0x03},
{0x5814, 0x00},
{0x5815, 0x01},
{0x5816, 0x03},
{0x5817, 0x08},
{0x5818, 0x0d},
{0x5819, 0x08},
{0x581a, 0x05},
{0x581b, 0x06},
{0x581c, 0x08},
{0x581d, 0x0e},
{0x581e, 0x29},
{0x581f, 0x17},
{0x5820, 0x11},
{0x5821, 0x11},
{0x5822, 0x15},
{0x5823, 0x28},
{0x5824, 0x46},
{0x5825, 0x26},
{0x5826, 0x08},
{0x5827, 0x26},
{0x5828, 0x64},
{0x5829, 0x26},
{0x582a, 0x24},
{0x582b, 0x22},
{0x582c, 0x24},
{0x582d, 0x24},
{0x582e, 0x06},
{0x582f, 0x22},
{0x5830, 0x40},
{0x5831, 0x42},
{0x5832, 0x24},
{0x5833, 0x26},
{0x5834, 0x24},
{0x5835, 0x22},
{0x5836, 0x22},
{0x5837, 0x26},
{0x5838, 0x44},
{0x5839, 0x24},
{0x583a, 0x26},
{0x583b, 0x28},
{0x583c, 0x42},
{0x583d, 0xce},
{0x5025, 0x00},
// AEC/AGC Power Down Domain Control
{0x3a0f, 0x30},
{0x3a10, 0x28},
{0x3a1b, 0x30},
{0x3a1e, 0x26},
{0x3a11, 0x60},
{0x3a1f, 0x14},
// 50/60Hz Detector Control
{0x3c00, 0x04},
{0xffff, 150},
// Software power down
{0x3008, 0x42},
// Enable all blocks
{0x3000, 0x00},
// Enable FIFOs and JPEG
{0x3002, 0x1c},
// Enable clocks
{0x3004, 0xff},
{0x3006, 0xc3},
// Pad out enables
{0x3017, 0xe0},
{0x3018, 0x00},
// Autofocus Mode
{0x3022, 0x0d},
// MIPI control, 2 lane
{0x4800, 0x24},
{0x300e, 0x45},
{0x302e, 0x08},
// PLL control
{0x3036, 0x50},
{0x3037, 0x12},
// SCLK divider
{0x3108, 0x02},
// PLL multiplier/divider
{0x303d, 0x20},
{0x303b, 0x1e},
{0x3034, 0x1a},
{0x3035, 0x13},
{0x501f, 0x01},
// Format control (RGB Type)
{0x4300, 0x00},
{0x3630, 0x2e},
{0x3632, 0xe2},
{0x3633, 0x23},
{0x3704, 0xa0},
{0x3703, 0x5a},
{0x3715, 0x78},
{0x3717, 0x01},
{0x370b, 0x60},
{0x3705, 0x1a},
{0x3905, 0x02},
{0x3906, 0x10},
{0x3901, 0x0a},
{0x3731, 0x12},
// Sensor VFLIP
{0x3820, 0x42},
// ISP Control
{0x5001, 0xa7},
// Horizontal odd/even increment
{0x3814, 0x31},
// Vertical odd/even increment
{0x3815, 0x31},
{0x3821, 0x00},
{0x3618, 0x00},
{0x3612, 0x29},
{0x3708, 0x64},
{0x3709, 0x52},
{0x370c, 0x03},
{0x3008, 0x02},
// Delay
{0xffff, 150},
// End
{0, 0}
};
//clang-format on
static int g_slv_addr;
// Default
static mipi_pixformat_t g_pixelformat = MIPI_PIXFORMAT_RGB888;
/******************************** Static Functions ***************************/
static int init(void)
{
int ret = 0;
g_slv_addr = 0x3C;
return ret;
}
static int get_slave_address(void)
{
return g_slv_addr;
}
static int get_product_id(int* id)
{
int ret = 0;
uint8_t id_high;
uint8_t id_low;
ret |= cambus_read(CHIPID_H, &id_high);
ret |= cambus_read(CHIPID_L, &id_low);
*id = (int)(id_high << 8) + id_low;
return ret;
}
static int get_manufacture_id(int* id)
{
return E_NOT_SUPPORTED;
}
static int dump_registers(void)
{
return E_NOT_SUPPORTED;
}
static int reset(void)
{
int ret = 0;
uint8_t value;
ret = cambus_read(SYS_CTRL0, &value);
value |= 0x82; // Software reset
ret |= cambus_write(SYS_CTRL0, value);
MXC_Delay(10000);
value &= ~0x80;
ret |= cambus_write(SYS_CTRL0, value);
// Write default registers
for (int i = 0; (default_regs[i].addr != 0); i++) {
if (default_regs[i].addr == 0xFFFF) {
MXC_Delay(MSEC(default_regs[i].val));
} else {
ret |= cambus_write(default_regs[i].addr, (uint8_t)default_regs[i].val);
}
}
return ret;
}
static int sleep(int enable)
{
int ret = 0;
uint8_t reg;
ret = cambus_read(PAD_OUT_VALUE_0, ®);
if (ret == 0) {
if (enable) {
reg |= 0x70;
} else {
reg &= ~0x70;
}
// Write back register
ret |= cambus_write(PAD_OUT_VALUE_0, reg);
}
return ret;
}
static int read_reg(uint16_t reg_addr, uint8_t* reg_data)
{
*reg_data = 0xff;
if (cambus_read(reg_addr, reg_data) != 0) {
return -1;
}
return 0;
}
static int write_reg(uint16_t reg_addr, uint8_t reg_data)
{
return cambus_write(reg_addr, reg_data);
}
static int set_pixformat(mipi_pixformat_t pixformat, uint32_t out_seq, int mux_ctrl)
{
int ret = 0;
g_pixelformat = pixformat;
ret |= cambus_write(FORMAT_MUX_CTRL, mux_ctrl);
switch (pixformat) {
case MIPI_PIXFORMAT_RAW:
ret |= cambus_write(FORMAT_CTRL00h, (0x00 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_Y8:
ret |= cambus_write(FORMAT_CTRL00h, (0x01 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_YUV422:
ret |= cambus_write(FORMAT_CTRL00h, (0x03 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_YUV420:
ret |= cambus_write(FORMAT_CTRL00h, (0x04 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_YUV420M:
ret |= cambus_write(FORMAT_CTRL00h, (0x05 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB444_1:
ret |= cambus_write(FORMAT_CTRL00h, (0x09 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB444_2:
ret |= cambus_write(FORMAT_CTRL00h, (0x0a << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB555_1:
ret |= cambus_write(FORMAT_CTRL00h, (0x07 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB555_2:
ret |= cambus_write(FORMAT_CTRL00h, (0x08 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB565:
ret |= cambus_write(FORMAT_CTRL00h, (0x06 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_RGB888:
ret |= cambus_write(FORMAT_CTRL00h, (0x02 << 4) | out_seq);
break;
case MIPI_PIXFORMAT_BYPASS:
ret |= cambus_write(FORMAT_CTRL00h, (0x0f << 4) | out_seq);
break;
default:
ret = -1;
break;
}
return ret;
}
static int get_pixformat(mipi_pixformat_t* pixformat)
{
int ret = 0;
*pixformat = g_pixelformat;
return ret;
}
static int set_framesize(int width, int height)
{
int ret = 0;
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
// Image typically outputs one line short, add a line to account.
//height = height + 1;
// Apply passed in resolution as output resolution.
ret |= cambus_write(TIMING_DVPHO_0, (width >> 8) & 0xff);
ret |= cambus_write(TIMING_DVPHO_1, (width >> 0) & 0xff);
ret |= cambus_write(TIMING_DVPVO_0, (height >> 8) & 0xff);
ret |= cambus_write(TIMING_DVPVO_1, (height >> 0) & 0xff);
// Software power up
ret |= cambus_write(SYS_CTRL0, 0x02);
return ret;
}
static int set_windowing(int width, int height, int start_x, int start_y, int hsize, int vsize)
{
/* Note: width and height is used to control scaling size of the image
width: horizontal input size
height: vertical input size
hsize: horizontal size of cropped image
vsize: vertical size of cropped image
*/
int ret = 0;
if (width < hsize || height < vsize) {
ret = -1;
}
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
// Apply passed in resolution as input resolution.
ret |= cambus_write(TIMING_HTS_0, (width >> 8) & 0xff);
ret |= cambus_write(TIMING_HTS_1, (width >> 0) & 0xff);
ret |= cambus_write(TIMING_VTS_0, (height >> 8) & 0xff);
ret |= cambus_write(TIMING_VTS_1, (height >> 0) & 0xff);
// Apply passed in hsize & vsize as output resolution.
ret |= cambus_write(TIMING_DVPHO_0, (hsize >> 8) & 0xff);
ret |= cambus_write(TIMING_DVPHO_1, (hsize >> 0) & 0xff);
ret |= cambus_write(TIMING_DVPVO_0, (vsize >> 8) & 0xff);
ret |= cambus_write(TIMING_DVPVO_1, (vsize >> 0) & 0xff);
// set window start position
ret |= cambus_write(TIMING_HS_0, (start_x >> 8) & 0xff);
ret |= cambus_write(TIMING_HS_1, (start_x >> 0) & 0xff);
ret |= cambus_write(TIMING_VS_0, (start_y >> 8) & 0xff);
ret |= cambus_write(TIMING_VS_1, (start_y >> 0) & 0xff);
// set window size
ret |= cambus_write(TIMING_HW_0, (hsize >> 8) & 0xff);
ret |= cambus_write(TIMING_HW_1, (hsize >> 0) & 0xff);
ret |= cambus_write(TIMING_VH_0, (vsize >> 8) & 0xff);
ret |= cambus_write(TIMING_VH_1, (vsize >> 0) & 0xff);
// Enable ISP vertical and horizontal scale
ret |= cambus_write(ISP_CTRL01h, 0xa3);
// Software power up
ret |= cambus_write(SYS_CTRL0, 0x02);
return ret;
}
static int set_contrast(int level)
{
int ret = 0;
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
switch (level) {
case -4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x10);
ret |= cambus_write(0x5588, 0x10);
ret |= cambus_write(0x558a, 0x00);
break;
case -3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x14);
ret |= cambus_write(0x5588, 0x14);
ret |= cambus_write(0x558a, 0x00);
break;
case -2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x18);
ret |= cambus_write(0x5588, 0x18);
ret |= cambus_write(0x558a, 0x00);
break;
case -1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x1C);
ret |= cambus_write(0x5588, 0x1C);
ret |= cambus_write(0x558a, 0x1C);
break;
case 0:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x20);
ret |= cambus_write(0x5588, 0x20);
ret |= cambus_write(0x558a, 0x00);
break;
case 1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x24);
ret |= cambus_write(0x5588, 0x24);
ret |= cambus_write(0x558a, 0x00);
break;
case 2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x28);
ret |= cambus_write(0x5588, 0x28);
ret |= cambus_write(0x558a, 0x00);
break;
case 3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x2c);
ret |= cambus_write(0x5588, 0x2c);
ret |= cambus_write(0x558a, 0x00);
break;
case 4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x5587, 0x30);
ret |= cambus_write(0x5588, 0x30);
ret |= cambus_write(0x558a, 0x00);
break;
default:
return -1;
}
// Software power up
ret |= cambus_write(SYS_CTRL0, 0x02);
return ret;
}
static int set_brightness(int level)
{
int ret = 0;
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
switch (level) {
case -4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x40);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x08);
break;
case -3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x30);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x08);
break;
case -2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x20);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x08);
break;
case -1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x10);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x08);
break;
case 0:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x00);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x00);
break;
case 1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x10);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x00);
break;
case 2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x20);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x00);
break;
case 3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x30);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x00);
break;
case 4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5589, 0x40);
ret |= cambus_write(0x5580, 0x04);
ret |= cambus_write(0x558a, 0x00);
break;
default:
return -1;
}
// Software power up
ret |= cambus_write(SYS_CTRL0, 0x02);
return ret;
}
static int set_saturation(int level)
{
int ret = 0;
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
switch (level) {
case -4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x00);
ret |= cambus_write(0x5584, 0x00);
ret |= cambus_write(0x5580, 0x02);
break;
case -3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x10);
ret |= cambus_write(0x5584, 0x10);
ret |= cambus_write(0x5580, 0x02);
break;
case -2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x20);
ret |= cambus_write(0x5584, 0x20);
ret |= cambus_write(0x5580, 0x02);
break;
case -1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x30);
ret |= cambus_write(0x5584, 0x30);
ret |= cambus_write(0x5580, 0x02);
break;
case 0:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x40);
ret |= cambus_write(0x5584, 0x40);
ret |= cambus_write(0x5580, 0x02);
break;
case 1:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x50);
ret |= cambus_write(0x5584, 0x50);
ret |= cambus_write(0x5580, 0x02);
break;
case 2:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x60);
ret |= cambus_write(0x5584, 0x60);
ret |= cambus_write(0x5580, 0x02);
break;
case 3:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x70);
ret |= cambus_write(0x5584, 0x70);
ret |= cambus_write(0x5580, 0x02);
break;
case 4:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5583, 0x80);
ret |= cambus_write(0x5584, 0x80);
ret |= cambus_write(0x5580, 0x02);
break;
default:
return -1;
}
// Software power up
ret |= cambus_write(SYS_CTRL0, 0x02);
return ret;
}
static int set_hue(int degree)
{
int ret = 0;
// Software power down before updating settings
ret |= cambus_write(SYS_CTRL0, 0x42);
switch (degree) {
case -180:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x01);
ret |= cambus_write(0x5581, 0x80);
ret |= cambus_write(0x5582, 0x00);
ret |= cambus_write(0x558a, 0x32);
break;
case -150:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x01);
ret |= cambus_write(0x5581, 0x6f);
ret |= cambus_write(0x5582, 0x40);
ret |= cambus_write(0x558a, 0x32);
break;
case -120:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x01);
ret |= cambus_write(0x5581, 0x40);
ret |= cambus_write(0x5582, 0x6f);
ret |= cambus_write(0x558a, 0x32);
break;
case -90:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x01);
ret |= cambus_write(0x5581, 0x00);
ret |= cambus_write(0x5582, 0x80);
ret |= cambus_write(0x558a, 0x02);
break;
case -60:
ret |= cambus_write(0x5001, 0xff);
ret |= cambus_write(0x5580, 0x01);
ret |= cambus_write(0x5581, 0x40);
ret |= cambus_write(0x5582, 0x6f);
ret |= cambus_write(0x558a, 0x02);
break;