mt9v117.c File Reference

Initialization of MT9V117 chip and options to change settings. More...

#include "std.h"
#include "mt9v117.h"
#include "mt9v117_regs.h"
#include "peripherals/video_device.h"
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/i2c-dev.h>
#include <linux/videodev2.h>
#include <linux/v4l2-mediabus.h>
#include "boards/bebop.h"

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Data Structures
struct	mt9v117_patch_t

Macros
#define	MT9V117_PATCH_LINE_NUM   13

Functions
static void	write_reg (struct mt9v117_t *mt, uint16_t addr, uint32_t val, uint16_t len)
	Write multiple bytes to a single register. More...
static uint32_t	read_reg (struct mt9v117_t *mt, uint16_t addr, uint16_t len)
	Read multiple bytes from a register. More...
static void	write_var (struct mt9v117_t *mt, uint16_t var, uint16_t offset, uint32_t val, uint16_t len)
static uint32_t	read_var (struct mt9v117_t *mt, uint16_t var, uint16_t offset, uint16_t len)
static void	mt9v117_write_patch (struct mt9v117_t *mt)
static void	mt9v117_config (struct mt9v117_t *mt)
void	mt9v117_init (struct mt9v117_t *mt)
	Initialisation of the Aptina MT9V117 CMOS sensor (1/6 inch VGA, bottom camera) More...

Variables
struct video_config_t	bottom_camera
struct mt9v117_t	mt9v117
static uint8_t	patch_line1 []
static uint8_t	patch_line2 []
static uint8_t	patch_line3 []
static uint8_t	patch_line4 []
static uint8_t	patch_line5 []
static uint8_t	patch_line6 []
static uint8_t	patch_line7 []
static uint8_t	patch_line8 []
static uint8_t	patch_line9 []
static uint8_t	patch_line10 []
static uint8_t	patch_line11 []
static uint8_t	patch_line12 []
static uint8_t	patch_line13 []
static const struct mt9v117_patch_t	mt9v117_patch_lines [MT9V117_PATCH_LINE_NUM]

Detailed Description

Initialization of MT9V117 chip and options to change settings.

Definition in file mt9v117.c.

---

Data Structure Documentation

mt9v117_patch_t

struct mt9v117_patch_t

Definition at line 189 of file mt9v117.c.

Data Fields
uint8_t *	data
uint16_t	len

Macro Definition Documentation

MT9V117_PATCH_LINE_NUM

#define MT9V117_PATCH_LINE_NUM   13

Definition at line 86 of file mt9v117.c.

Function Documentation

mt9v117_config()

static void mt9v117_config ( struct mt9v117_t *  mt )

inlinestatic

Definition at line 333 of file mt9v117.c.

References MT9V117_AE_TRACK_JUMP_DIVISOR, MT9V117_CAM_AET_SKIP_FRAMES, MT9V117_CAM_CROP_MODE_OFFSET, MT9V117_CAM_CROP_WINDOW_HEIGHT_OFFSET, MT9V117_CAM_CROP_WINDOW_WIDTH_OFFSET, MT9V117_CAM_CROP_WINDOW_XOFFSET_OFFSET, MT9V117_CAM_CROP_WINDOW_YOFFSET_OFFSET, MT9V117_CAM_CTRL_VAR, MT9V117_CAM_LL_START_GAIN_METRIC_OFFSET, MT9V117_CAM_LL_STOP_GAIN_METRIC_OFFSET, MT9V117_CAM_OUTPUT_HEIGHT_OFFSET, MT9V117_CAM_OUTPUT_WIDTH_OFFSET, MT9V117_CAM_SENSOR_CFG_CPIPE_LAST_ROW_OFFSET, MT9V117_CAM_SENSOR_CFG_FRAME_LENGTH_LINES_OFFSET, MT9V117_CAM_SENSOR_CFG_MAX_FDZONE_60_OFFSET, MT9V117_CAM_SENSOR_CFG_TARGET_FDZONE_60_OFFSET, MT9V117_CAM_SENSOR_CFG_X_ADDR_END_OFFSET, MT9V117_CAM_SENSOR_CFG_X_ADDR_START_OFFSET, MT9V117_CAM_SENSOR_CFG_Y_ADDR_END_OFFSET, MT9V117_CAM_SENSOR_CFG_Y_ADDR_START_OFFSET, MT9V117_CAM_SENSOR_CONTROL_READ_MODE_OFFSET, MT9V117_CAM_SENSOR_CONTROL_Y_SKIP_EN, MT9V117_CAM_STAT_AE_INITIAL_WINDOW_XEND_OFFSET, MT9V117_CAM_STAT_AE_INITIAL_WINDOW_XSTART_OFFSET, MT9V117_CAM_STAT_AE_INITIAL_WINDOW_YEND_OFFSET, MT9V117_CAM_STAT_AE_INITIAL_WINDOW_YSTART_OFFSET, MT9V117_CAM_STAT_AWB_HG_WINDOW_XEND_OFFSET, MT9V117_CAM_STAT_AWB_HG_WINDOW_XSTART_OFFSET, MT9V117_CAM_STAT_AWB_HG_WINDOW_YEND_OFFSET, MT9V117_CAM_STAT_AWB_HG_WINDOW_YSTART_OFFSET, write_reg(), and write_var().

Referenced by mt9v117_init().

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mt9v117_init()

void mt9v117_init

(

struct mt9v117_t *

mt

)

Initialisation of the Aptina MT9V117 CMOS sensor (1/6 inch VGA, bottom camera)

Definition at line 380 of file mt9v117.c.

References mt9v117_t::i2c_trans, I2CTransDone, MT9V117_AE_LUMA, MT9V117_AE_RULE_ALGO_AVERAGE, MT9V117_AE_RULE_ALGO_OFFSET, MT9V117_AE_RULE_VAR, MT9V117_AWB_PIXEL_THRESHOLD_COUNT_OFFSET, MT9V117_AWB_VAR, MT9V117_CAM_CTRL_VAR, MT9V117_CAM_OUTPUT_FORMAT_BT656_ENABLE, MT9V117_CAM_OUTPUT_FORMAT_OFFSET, MT9V117_CHIP_ID, MT9V117_CHIP_ID_RESP, MT9V117_COMMAND, MT9V117_COMMAND_OK, MT9V117_COMMAND_SET_STATE, mt9v117_config(), MT9V117_PAD_SLEW, MT9V117_RESET_MISC_CTRL, MT9V117_RESET_SOC_I2C, MT9V117_SYS_STATE_ENTER_CONFIG_CHANGE, MT9V117_SYSMGR_NEXT_STATE_OFFSET, MT9V117_SYSMGR_VAR, MT9V117_TARGET_LUMA, mt9v117_write_patch(), read_reg(), read_var(), i2c_transaction::status, write_reg(), and write_var().

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mt9v117_write_patch()

static void mt9v117_write_patch ( struct mt9v117_t *  mt )

inlinestatic

Definition at line 270 of file mt9v117.c.

References i2c_transaction::buf, mt9v117_patch_t::data, i2c_blocking_transmit(), mt9v117_t::i2c_periph, mt9v117_t::i2c_trans, mt9v117_patch_t::len, MT9V117_ACCESS_CTL_STAT, MT9V117_AE_TRACK_VAR, MT9V117_CAM_CTRL_VAR, MT9V117_COMMAND, MT9V117_COMMAND_APPLY_PATCH, MT9V117_COMMAND_OK, MT9V117_LOGICAL_ADDRESS_ACCESS, MT9V117_LOW_LIGHT_VAR, MT9V117_PATCH_LINE_NUM, mt9v117_patch_lines, MT9V117_PATCHLDR_FIRMWARE_ID_OFFSET, MT9V117_PATCHLDR_LOADER_ADDRESS_OFFSET, MT9V117_PATCHLDR_PATCH_ID_OFFSET, MT9V117_PATCHLDR_VAR, MT9V117_PHYSICAL_ADDRESS_ACCESS, read_reg(), i2c_transaction::slave_addr, write_reg(), and write_var().

Referenced by mt9v117_init().

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read_reg()

static uint32_t read_reg ( struct mt9v117_t *  mt, uint16_t  addr, uint16_t  len  )

static

Read multiple bytes from a register.

Definition at line 240 of file mt9v117.c.

References i2c_transaction::buf, i2c_blocking_transceive(), mt9v117_t::i2c_periph, mt9v117_t::i2c_trans, mt9v117_patch_t::len, and MT9V117_ADDRESS.

Referenced by mt9v117_init(), mt9v117_write_patch(), and read_var().

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read_var()

static uint32_t read_var ( struct mt9v117_t *  mt, uint16_t  var, uint16_t  offset, uint16_t  len  )

static

Definition at line 264 of file mt9v117.c.

References mt9v117_patch_t::len, offset, and read_reg().

Referenced by mt9v117_init().

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write_reg()

static void write_reg ( struct mt9v117_t *  mt, uint16_t  addr, uint32_t  val, uint16_t  len  )

static

Write multiple bytes to a single register.

Definition at line 213 of file mt9v117.c.

References i2c_transaction::buf, i2c_blocking_transmit(), mt9v117_t::i2c_periph, mt9v117_t::i2c_trans, mt9v117_patch_t::len, MT9V117_ADDRESS, and val.

Referenced by mt9v117_config(), mt9v117_init(), mt9v117_write_patch(), and write_var().

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write_var()

static void write_var ( struct mt9v117_t *  mt, uint16_t  var, uint16_t  offset, uint32_t  val, uint16_t  len  )

static

Definition at line 257 of file mt9v117.c.

References mt9v117_patch_t::len, offset, val, and write_reg().

Referenced by mt9v117_config(), mt9v117_init(), and mt9v117_write_patch().

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Variable Documentation

bottom_camera

struct video_config_t bottom_camera

Definition at line 1 of file mt9v117.c.

mt9v117

struct mt9v117_t mt9v117

Initial value:

= {
  .i2c_periph = &i2c0
}

Definition at line 1 of file mt9v117.c.

mt9v117_patch_lines

const struct mt9v117_patch_t mt9v117_patch_lines[MT9V117_PATCH_LINE_NUM]

static

Initial value:

= {
  {patch_line1, sizeof(patch_line1)},
  {patch_line2, sizeof(patch_line2)},
  {patch_line3, sizeof(patch_line3)},
  {patch_line4, sizeof(patch_line4)},
  {patch_line5, sizeof(patch_line5)},
  {patch_line6, sizeof(patch_line6)},
  {patch_line7, sizeof(patch_line7)},
  {patch_line8, sizeof(patch_line8)},
  {patch_line9, sizeof(patch_line9)},
  {patch_line10, sizeof(patch_line10)},
  {patch_line11, sizeof(patch_line11)},
  {patch_line12, sizeof(patch_line12)},
  {patch_line13, sizeof(patch_line13)}
}

Definition at line 183 of file mt9v117.c.

Referenced by mt9v117_write_patch().

patch_line1

uint8_t patch_line1[]

static

Initial value:

= {
  0xf0, 0x00, 0x72, 0xcf, 0xff, 0x00, 0x3e, 0xd0, 0x92, 0x00,
  0x71, 0xcf, 0xff, 0xff, 0xf2, 0x18, 0xb1, 0x10, 0x92, 0x05,
  0xb1, 0x11, 0x92, 0x04, 0xb1, 0x12, 0x70, 0xcf, 0xff, 0x00,
  0x30, 0xc0, 0x90, 0x00, 0x7f, 0xe0, 0xb1, 0x13, 0x70, 0xcf,
  0xff, 0xff, 0xe7, 0x1c, 0x88, 0x36, 0x09, 0x0f, 0x00, 0xb3
}

Definition at line 87 of file mt9v117.c.

patch_line10

uint8_t patch_line10[]

static

Initial value:

= {
  0xf1, 0xb0, 0x8d, 0x16, 0x76, 0xcf, 0xff, 0xff, 0xe5, 0x48,
  0x8d, 0x37, 0x08, 0x0d, 0x00, 0x81, 0x96, 0x40, 0x09, 0x15,
  0x00, 0x80, 0x0f, 0xd6, 0x01, 0x00, 0x8d, 0x16, 0xb7, 0x00,
  0x8d, 0x17, 0xb6, 0x00, 0xff, 0xb0, 0xff, 0xbc, 0x00, 0x41,
  0x03, 0xc0, 0xc0, 0xf1, 0x0d, 0x9e, 0x01, 0x00, 0xe8, 0x04
}

Definition at line 159 of file mt9v117.c.

patch_line11

uint8_t patch_line11[]

static

Initial value:

= {
  0xf1, 0xe0, 0xff, 0x88, 0xf0, 0x0a, 0x0d, 0x6a, 0x01, 0x00,
  0x0d, 0x8e, 0x01, 0x00, 0xe8, 0x7e, 0xff, 0x85, 0x0d, 0x72,
  0x01, 0x00, 0xff, 0x8c, 0xff, 0xa7, 0xff, 0xb2, 0xd8, 0x00,
  0x73, 0xcf, 0xff, 0xff, 0xf2, 0x40, 0x23, 0x15, 0x00, 0x01,
  0x81, 0x41, 0xe0, 0x02, 0x81, 0x20, 0x08, 0xf7, 0x81, 0x34
}

Definition at line 167 of file mt9v117.c.

patch_line12

uint8_t patch_line12[]

static

Initial value:

= {
  0xf2, 0x10, 0xa1, 0x40, 0xd8, 0x00, 0xc0, 0xd1, 0x7e, 0xe0,
  0x53, 0x51, 0x30, 0x34, 0x20, 0x6f, 0x6e, 0x5f, 0x73, 0x74,
  0x61, 0x72, 0x74, 0x5f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d,
  0x69, 0x6e, 0x67, 0x20, 0x25, 0x64, 0x20, 0x25, 0x64, 0x0a,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}

Definition at line 175 of file mt9v117.c.

patch_line13

uint8_t patch_line13[]

static

Initial value:

= {
  0xf2, 0x40, 0xff, 0xff, 0xe8, 0x28, 0xff, 0xff, 0xf0, 0xe8,
  0xff, 0xff, 0xe8, 0x08, 0xff, 0xff, 0xf1, 0x54
}

Definition at line 183 of file mt9v117.c.

patch_line2

uint8_t patch_line2[]

static

Initial value:

= {
  0xf0, 0x30, 0x69, 0x13, 0xe1, 0x80, 0xd8, 0x08, 0x20, 0xca,
  0x03, 0x22, 0x71, 0xcf, 0xff, 0xff, 0xe5, 0x68, 0x91, 0x35,
  0x22, 0x0a, 0x1f, 0x80, 0xff, 0xff, 0xf2, 0x18, 0x29, 0x05,
  0x00, 0x3e, 0x12, 0x22, 0x11, 0x01, 0x21, 0x04, 0x0f, 0x81,
  0x00, 0x00, 0xff, 0xf0, 0x21, 0x8c, 0xf0, 0x10, 0x1a, 0x22
}

Definition at line 95 of file mt9v117.c.

patch_line3

uint8_t patch_line3[]

static

Initial value:

= {
  0xf0, 0x60, 0x10, 0x44, 0x12, 0x20, 0x11, 0x02, 0xf7, 0x87,
  0x22, 0x4f, 0x03, 0x83, 0x1a, 0x20, 0x10, 0xc4, 0xf0, 0x09,
  0xba, 0xae, 0x7b, 0x50, 0x1a, 0x20, 0x10, 0x84, 0x21, 0x45,
  0x01, 0xc1, 0x1a, 0x22, 0x10, 0x44, 0x70, 0xcf, 0xff, 0x00,
  0x3e, 0xd0, 0xb0, 0x60, 0xb0, 0x25, 0x7e, 0xe0, 0x78, 0xe0
}

Definition at line 103 of file mt9v117.c.

patch_line4

uint8_t patch_line4[]

static

Initial value:

= {
  0xf0, 0x90, 0x71, 0xcf, 0xff, 0xff, 0xf2, 0x18, 0x91, 0x12,
  0x72, 0xcf, 0xff, 0xff, 0xe7, 0x1c, 0x8a, 0x57, 0x20, 0x04,
  0x0f, 0x80, 0x00, 0x00, 0xff, 0xf0, 0xe2, 0x80, 0x20, 0xc5,
  0x01, 0x61, 0x20, 0xc5, 0x03, 0x22, 0xb1, 0x12, 0x71, 0xcf,
  0xff, 0x00, 0x3e, 0xd0, 0xb1, 0x04, 0x7e, 0xe0, 0x78, 0xe0
}

Definition at line 111 of file mt9v117.c.

patch_line5

uint8_t patch_line5[]

static

Initial value:

= {
  0xf0, 0xc0, 0x70, 0xcf, 0xff, 0xff, 0xe7, 0x1c, 0x88, 0x57,
  0x71, 0xcf, 0xff, 0xff, 0xf2, 0x18, 0x91, 0x13, 0xea, 0x84,
  0xb8, 0xa9, 0x78, 0x10, 0xf0, 0x03, 0xb8, 0x89, 0xb8, 0x8c,
  0xb1, 0x13, 0x71, 0xcf, 0xff, 0x00, 0x30, 0xc0, 0xb1, 0x00,
  0x7e, 0xe0, 0xc0, 0xf1, 0x09, 0x1e, 0x03, 0xc0, 0xc1, 0xa1
}

Definition at line 119 of file mt9v117.c.

patch_line6

uint8_t patch_line6[]

static

Initial value:

= {
  0xf0, 0xf0, 0x75, 0x08, 0x76, 0x28, 0x77, 0x48, 0xc2, 0x40,
  0xd8, 0x20, 0x71, 0xcf, 0x00, 0x03, 0x20, 0x67, 0xda, 0x02,
  0x08, 0xae, 0x03, 0xa0, 0x73, 0xc9, 0x0e, 0x25, 0x13, 0xc0,
  0x0b, 0x5e, 0x01, 0x60, 0xd8, 0x06, 0xff, 0xbc, 0x0c, 0xce,
  0x01, 0x00, 0xd8, 0x00, 0xb8, 0x9e, 0x0e, 0x5a, 0x03, 0x20
}

Definition at line 127 of file mt9v117.c.

patch_line7

uint8_t patch_line7[]

static

Initial value:

= {
  0xf1, 0x20, 0xd9, 0x01, 0xd8, 0x00, 0xb8, 0x9e, 0x0e, 0xb6,
  0x03, 0x20, 0xd9, 0x01, 0x8d, 0x14, 0x08, 0x17, 0x01, 0x91,
  0x8d, 0x16, 0xe8, 0x07, 0x0b, 0x36, 0x01, 0x60, 0xd8, 0x07,
  0x0b, 0x52, 0x01, 0x60, 0xd8, 0x11, 0x8d, 0x14, 0xe0, 0x87,
  0xd8, 0x00, 0x20, 0xca, 0x02, 0x62, 0x00, 0xc9, 0x03, 0xe0
}

Definition at line 135 of file mt9v117.c.

patch_line8

uint8_t patch_line8[]

static

Initial value:

= {
  0xf1, 0x50, 0xc0, 0xa1, 0x78, 0xe0, 0xc0, 0xf1, 0x08, 0xb2,
  0x03, 0xc0, 0x76, 0xcf, 0xff, 0xff, 0xe5, 0x40, 0x75, 0xcf,
  0xff, 0xff, 0xe5, 0x68, 0x95, 0x17, 0x96, 0x40, 0x77, 0xcf,
  0xff, 0xff, 0xe5, 0x42, 0x95, 0x38, 0x0a, 0x0d, 0x00, 0x01,
  0x97, 0x40, 0x0a, 0x11, 0x00, 0x40, 0x0b, 0x0a, 0x01, 0x00
}

Definition at line 143 of file mt9v117.c.

patch_line9

uint8_t patch_line9[]

static

Initial value:

= {
  0xf1, 0x80, 0x95, 0x17, 0xb6, 0x00, 0x95, 0x18, 0xb7, 0x00,
  0x76, 0xcf, 0xff, 0xff, 0xe5, 0x44, 0x96, 0x20, 0x95, 0x15,
  0x08, 0x13, 0x00, 0x40, 0x0e, 0x1e, 0x01, 0x20, 0xd9, 0x00,
  0x95, 0x15, 0xb6, 0x00, 0xff, 0xa1, 0x75, 0xcf, 0xff, 0xff,
  0xe7, 0x1c, 0x77, 0xcf, 0xff, 0xff, 0xe5, 0x46, 0x97, 0x40
}

Definition at line 151 of file mt9v117.c.