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ArduCAM.h
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ArduCAM.h
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/*
ArduCAM.cpp - Arduino library support for CMOS Image Sensor
Library modified by Tom Hightower
Original Library Copyright (C)2011-2015 ArduCAM.com. All right reserved
This is a version of the ArduCAM Library found at ArduCAM.com, modified by removing unused functions to encourage lightweight functionality
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
*/
#ifndef ArduCAM_H
#define ArduCAM_H
#include "Arduino.h"
#include <pins_arduino.h>
//MemorySaver
#define _MEMORYSAVER_
#define OV5642_MINI_5MP_PLUS
#if (defined(ARDUCAM_SHIELD_REVC) || defined(ARDUCAM_SHIELD_V2))
#define OV5642_CAM
#endif
#if defined (__AVR__)
#define cbi(reg, bitmask) *reg &= ~bitmask
#define sbi(reg, bitmask) *reg |= bitmask
#define pulse_high(reg, bitmask) sbi(reg, bitmask); cbi(reg, bitmask);
#define pulse_low(reg, bitmask) cbi(reg, bitmask); sbi(reg, bitmask);
#define cport(port, data) port &= data
#define sport(port, data) port |= data
#define swap(type, i, j) {type t = i; i = j; j = t;}
#define fontbyte(x) pgm_read_byte(&cfont.font[x])
#define regtype volatile uint8_t
#define regsize uint8_t
#endif
#if defined(__CPU_ARC__)
#define cbi(reg, bitmask) *reg &= ~bitmask
#define sbi(reg, bitmask) *reg |= bitmask
#define pulse_high(reg, bitmask) sbi(reg, bitmask); cbi(reg, bitmask);
#define pulse_low(reg, bitmask) cbi(reg, bitmask); sbi(reg, bitmask);
#define cport(port, data) port &= data
#define sport(port, data) port |= data
#define swap(type, i, j) {type t = i; i = j; j = t;}
#define fontbyte(x) pgm_read_byte(&cfont.font[x])
#define regtype volatile uint32_t
#define regsize uint32_t
#endif
/****************************************************/
/* Sensor related definition */
/****************************************************/
#define BMP 0
#define JPEG 1
#define OV5642 3
//Set JPEG size
#define OV5642_320x240 0 //320x240
#define OV5642_640x480 1 //640x480
#define OV5642_1024x768 2 //1024x768
#define OV5642_1280x960 3 //1280x960
#define OV5642_1600x1200 4 //1600x1200
#define OV5642_2048x1536 5 //2048x1536
#define OV5642_2592x1944 6 //2592x1944
#define OV5642_1920x1080 7
//Color Saturation
#define Saturation4 0
#define Saturation3 1
#define Saturation2 2
#define Saturation1 3
#define Saturation0 4
#define Saturation_1 5
#define Saturation_2 6
#define Saturation_3 7
#define Saturation_4 8
//Contrast
#define Contrast4 0
#define Contrast3 1
#define Contrast2 2
#define Contrast1 3
#define Contrast0 4
#define Contrast_1 5
#define Contrast_2 6
#define Contrast_3 7
#define Contrast_4 8
//Exposure
#define Exposure_17_EV 0
#define Exposure_13_EV 1
#define Exposure_10_EV 2
#define Exposure_07_EV 3
#define Exposure_03_EV 4
#define Exposure_default 5
#define Exposure07_EV 6
#define Exposure10_EV 7
#define Exposure13_EV 8
#define Exposure17_EV 9
#define Exposure03_EV 10
//Sharpness
#define Auto_Sharpness_default 0
#define Auto_Sharpness1 1
#define Auto_Sharpness2 2
#define Manual_Sharpnessoff 3
#define Manual_Sharpness1 4
#define Manual_Sharpness2 5
#define Manual_Sharpness3 6
#define Manual_Sharpness4 7
#define Manual_Sharpness5 8
//Compress Quality
#define high_quality 0
#define default_quality 1
#define low_quality 2
/****************************************************/
/* I2C Control Definition */
/****************************************************/
#define I2C_ADDR_8BIT 0
#define I2C_ADDR_16BIT 1
#define I2C_REG_8BIT 0
#define I2C_REG_16BIT 1
#define I2C_DAT_8BIT 0
#define I2C_DAT_16BIT 1
/* Register initialization tables for SENSORs */
/* Terminating list entry for reg */
#define SENSOR_REG_TERM_8BIT 0xFF
#define SENSOR_REG_TERM_16BIT 0xFFFF
/* Terminating list entry for val */
#define SENSOR_VAL_TERM_8BIT 0xFF
#define SENSOR_VAL_TERM_16BIT 0xFFFF
//Define maximum frame buffer size
#if (defined OV5642_MINI_5MP || defined OV5642_MINI_5MP_BIT_ROTATION_FIXED || defined ARDUCAM_SHIELD_REVC)
#define MAX_FIFO_SIZE 0x7FFFF //512KByte
#else
#define MAX_FIFO_SIZE 0x7FFFFF //8MByte
#endif
/****************************************************/
/* ArduChip registers definition */
/****************************************************/
#define RWBIT 0x80 //READ AND WRITE BIT IS BIT[7]
#define ARDUCHIP_TEST1 0x00 //TEST register
#if !(defined OV2640_MINI_2MP)
#define ARDUCHIP_FRAMES 0x01 //FRAME control register, Bit[2:0] = Number of frames to be captured //On 5MP_Plus platforms bit[2:0] = 7 means continuous capture until frame buffer is full
#endif
#define ARDUCHIP_MODE 0x02 //Mode register
#define MCU2LCD_MODE 0x00
#define CAM2LCD_MODE 0x01
#define LCD2MCU_MODE 0x02
#define ARDUCHIP_TIM 0x03 //Timming control
#if !(defined OV2640_MINI_2MP)
#define HREF_LEVEL_MASK 0x01 //0 = High active , 1 = Low active
#define VSYNC_LEVEL_MASK 0x02 //0 = High active , 1 = Low active
#define LCD_BKEN_MASK 0x04 //0 = Enable, 1 = Disable
#if (defined ARDUCAM_SHIELD_V2)
#define PCLK_REVERSE_MASK 0x08 //0 = Normal PCLK, 1 = REVERSED PCLK
#else
#define PCLK_DELAY_MASK 0x08 //0 = data no delay, 1 = data delayed one PCLK
#endif
//#define MODE_MASK 0x10 //0 = LCD mode, 1 = FIFO mode
#endif
//#define FIFO_PWRDN_MASK 0x20 //0 = Normal operation, 1 = FIFO power down
//#define LOW_POWER_MODE 0x40 //0 = Normal mode, 1 = Low power mode
#define ARDUCHIP_FIFO 0x04 //FIFO and I2C control
#define FIFO_CLEAR_MASK 0x01
#define FIFO_START_MASK 0x02
#define FIFO_RDPTR_RST_MASK 0x10
#define FIFO_WRPTR_RST_MASK 0x20
#define ARDUCHIP_GPIO 0x06 //GPIO Write Register
#if !(defined (ARDUCAM_SHIELD_V2) || defined (ARDUCAM_SHIELD_REVC))
#define GPIO_RESET_MASK 0x01 //0 = Sensor reset, 1 = Sensor normal operation
#define GPIO_PWDN_MASK 0x02 //0 = Sensor normal operation, 1 = Sensor standby
#define GPIO_PWREN_MASK 0x04 //0 = Sensor LDO disable, 1 = sensor LDO enable
#endif
#define BURST_FIFO_READ 0x3C //Burst FIFO read operation
#define SINGLE_FIFO_READ 0x3D //Single FIFO read operation
#define ARDUCHIP_REV 0x40 //ArduCHIP revision
#define VER_LOW_MASK 0x3F
#define VER_HIGH_MASK 0xC0
#define ARDUCHIP_TRIG 0x41 //Trigger source
#define VSYNC_MASK 0x01
#define SHUTTER_MASK 0x02
#define CAP_DONE_MASK 0x08
#define FIFO_SIZE1 0x42 //Camera write FIFO size[7:0] for burst to read
#define FIFO_SIZE2 0x43 //Camera write FIFO size[15:8]
#define FIFO_SIZE3 0x44 //Camera write FIFO size[18:16]
/****************************************************/
/****************************************************************/
/* define a structure for sensor register initialization values */
/****************************************************************/
struct sensor_reg {
uint16_t reg;
uint16_t val;
};
/****************************************************************/
/* define a structure for sensor register initialization values */
/****************************************************************/
class ArduCAM {
public:
ArduCAM(int CS);
void InitCAM( void );
void CS_HIGH(void);
void CS_LOW(void);
void flush_fifo(void);
void start_capture(void);
void clear_fifo_flag(void);
uint8_t read_fifo(void);
uint8_t read_reg(uint8_t addr);
void write_reg(uint8_t addr, uint8_t data);
uint32_t read_fifo_length(void);
void set_fifo_burst(void);
void set_bit(uint8_t addr, uint8_t bit);
void clear_bit(uint8_t addr, uint8_t bit);
uint8_t get_bit(uint8_t addr, uint8_t bit);
void set_mode(uint8_t mode);
uint8_t bus_write(int address, int value);
uint8_t bus_read(int address);
// Write 8 bit values to 8 bit register address
int wrSensorRegs8_8(const struct sensor_reg*);
// Write 16 bit values to 8 bit register address
int wrSensorRegs8_16(const struct sensor_reg*);
// Write 8 bit values to 16 bit register address
int wrSensorRegs16_8(const struct sensor_reg*);
// Write 16 bit values to 16 bit register address
int wrSensorRegs16_16(const struct sensor_reg*);
// Read/write 8 bit value to/from 8 bit register address
byte wrSensorReg8_8(int regID, int regDat);
byte rdSensorReg8_8(uint8_t regID, uint8_t* regDat);
// Read/write 16 bit value to/from 8 bit register address
byte wrSensorReg8_16(int regID, int regDat);
byte rdSensorReg8_16(uint8_t regID, uint16_t* regDat);
// Read/write 8 bit value to/from 16 bit register address
byte wrSensorReg16_8(int regID, int regDat);
byte rdSensorReg16_8(uint16_t regID, uint8_t* regDat);
// Read/write 16 bit value to/from 16 bit register address
byte wrSensorReg16_16(int regID, int regDat);
byte rdSensorReg16_16(uint16_t regID, uint16_t* regDat);
void OV5642_set_JPEG_size(uint8_t size);
void OV5642_set_Contrast(uint8_t Contrast);
void OV5642_set_Exposure_level(uint8_t level);
void OV5642_set_Compress_quality(uint8_t quality);
void set_format(byte fmt);
void transferBytes_(uint8_t * out, uint8_t * in, uint8_t size);
void transferBytes(uint8_t * out, uint8_t * in, uint32_t size);
inline void setDataBits(uint16_t bits);
protected:
regtype *P_CS;
regsize B_CS;
byte m_fmt;
byte sensor_model;
byte sensor_addr;
};
#if ( defined(OV5642_CAM) || defined(OV5642_MINI_5MP) || defined(OV5642_MINI_5MP_BIT_ROTATION_FIXED) || defined(OV5642_MINI_5MP_PLUS) )
#include "ov5642_regs.h"
#endif
#endif