Diff: OV5642.h

Revision:

0:fc90ec271280

Child:

1:f2126346d524

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OV5642.h	Thu Oct 29 06:26:27 2015 +0000
@@ -0,0 +1,187 @@
+#ifndef MBED_ARDUCAM_H
+#define MBED_ARDUCAM_H 
+
+#include "mbed.h"
+
+//******************************************************************************
+// Macros
+//******************************************************************************
+#define I2C_SEND_STOP      0x01
+#define I2C_SEND_START     0x02
+#define sensor_addr  0x78
+#define SPAWN_TASK_PRIORITY            9//9
+#define HTTP_SERVER_APP_TASK_PRIORITY  3//1
+#define CAMERA_SERVICE_PRIORITY        3
+#define OSI_STACK_SIZE                 8 * 1024
+
+#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) cfont.font[x]  
+
+#define regtype volatile uint32_t
+#define regsize uint32_t
+#define PROGMEM
+
+
+    #define pgm_read_byte(x)        (*((char *)x))
+//  #define pgm_read_word(x)        (*((short *)(x & 0xfffffffe)))
+    #define pgm_read_word(x)        ( ((*((unsigned char *)x + 1)) << 8) + (*((unsigned char *)x)))
+    #define pgm_read_byte_near(x)   (*((char *)x))
+    #define pgm_read_byte_far(x)    (*((char *)x))
+//  #define pgm_read_word_near(x)   (*((short *)(x & 0xfffffffe))
+//  #define pgm_read_word_far(x)    (*((short *)(x & 0xfffffffe)))
+    #define pgm_read_word_near(x)   ( ((*((unsigned char *)x + 1)) << 8) + (*((unsigned char *)x)))
+    #define pgm_read_word_far(x)    ( ((*((unsigned char *)x + 1)) << 8) + (*((unsigned char *)x))))
+    #define PSTR(x)  x
+    #define F(X) (X)
+
+#define BMP     0
+#define JPEG    1
+
+#define OV5642      3
+
+#define OV5642_320x240      1   //320x240
+#define OV5642_640x480      2   //640x480
+#define OV5642_1280x720     3   //1280x720
+#define OV5642_1920x1080    4   //1920x1080
+#define OV5642_2048x1563    5   //2048x1563
+#define OV5642_2592x1944    6   //2592x1944
+
+/****************************************************/
+/* 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
+
+/****************************************************/
+/* ArduChip related definition                                          */
+/****************************************************/
+#define RWBIT                   0x80  //READ AND WRITE BIT IS BIT[7]
+
+#define ARDUCHIP_TEST1          0x00  //TEST register
+#define ARDUCHIP_TEST2          0x01  //TEST register
+
+#define ARDUCHIP_FRAMES         0x01  //Bit[2:0]Number of frames to be captured
+
+#define ARDUCHIP_MODE           0x02  //Mode register
+#define MCU2LCD_MODE            0x00
+#define CAM2LCD_MODE            0x01
+#define LCD2MCU_MODE            0x02
+
+#define ARDUCHIP_TIM            0x03  //Timming control
+#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
+#define DELAY_MASK              0x08  //0 = no delay,           1 = delay one clock
+#define MODE_MASK               0x10  //0 = LCD mode,           1 = FIFO mode
+#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
+#define GPIO_RESET_MASK         0x01  //0 = default state,      1 =  Sensor reset IO value
+#define GPIO_PWDN_MASK          0x02  //0 = Sensor power down IO value, 1 = Sensor power enable IO value
+
+#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
+
+class ArduCAM
+{
+    public:
+        ArduCAM(PinName mosi, PinName miso, PinName sck, PinName cs, PinName sda, PinName scl);
+        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);
+        
+        int wrSensorRegs(const struct sensor_reg*);
+        int wrSensorRegs8_8(const struct sensor_reg*);
+        int wrSensorRegs8_16(const struct sensor_reg*);
+        int wrSensorRegs16_8(const struct sensor_reg*);
+        int wrSensorRegs16_16(const struct sensor_reg*);
+            
+        uint8_t wrSensorReg(int regID, int regDat);
+        uint8_t wrSensorReg8_8(int regID, int regDat);
+        uint8_t wrSensorReg8_16(int regID, int regDat);
+        uint8_t wrSensorReg16_8(int regID, int regDat);
+        uint8_t wrSensorReg16_16(int regID, int regDat);
+            
+        uint8_t rdSensorReg8_8(uint8_t regID, uint8_t* regDat);
+        uint8_t rdSensorReg16_8(uint16_t regID, uint8_t* regDat);
+        uint8_t rdSensorReg8_16(uint8_t regID, uint16_t* regDat);
+        uint8_t rdSensorReg16_16(uint16_t regID, uint16_t* regDat);
+        
+        void OV5642_set_JPEG_size(void);
+        void set_format(uint8_t fmt);
+        
+        int bus_write(int address, int value);
+        uint8_t bus_read(int address);  
+        
+    protected:
+        SPI spi;                // does SPI MOSI, MISO and SCK        
+        DigitalOut _cs;         // does SPI CE
+        I2C i2c;                // does I2C SDA, SCL
+        regtype *P_CS;
+        regsize B_CS;
+        uint8_t m_fmt;
+        uint8_t sensor_model;
+        
+        uint32_t I2CInit(void);
+        int32_t I2CBufferRead(int32_t ucDevAddr, uint8_t *ucBuffer, int32_t ulSize,unsigned char ucFlags);
+        int32_t I2CBufferWrite(int32_t ucDevAddr, uint8_t *ucBuffer, int32_t ulSize,unsigned char ucFlags);
+};        
+
+#endif
\ No newline at end of file