ov7740.c File Reference

API driver for OV7740 CMOS image sensor.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include "ov7740.h"
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>

Functions
uint32_t	ov_configure (Twi *const p_twi, const e_ov7740_format format)
	Configure the OV7740 sensor for a specified image size (pixel format). More...
uint32_t	ov_configure_finish (Twi *const p_twi)
	Complete the OV7740 sensor configuration. More...
uint32_t	ov_configure_manual (Twi *const p_twi)
	Configure the OV7740 sensor manually. More...
void	ov_dump_registers (Twi *const p_twi, ov_reg *p_regs)
	Dump all registers. More...
static uint32_t	ov_id (Twi *const p_twi)
	Read PID and VER. More...
uint32_t	ov_init (Twi *const p_twi)
	Initialize the OV7740 sensor. More...
static uint32_t	ov_manufacturer (Twi *const p_twi)
	Read Manufacturer. More...
void	ov_power (uint32_t ul_on_off, Pio *const p_pio, const uint32_t ul_mask)
	Turn OV7740 sensor on/off using power pin. More...
uint32_t	ov_read_reg (Twi *const p_twi, twi_packet_t *const p_packet)
	Read a value from a register in an OV7740 sensor device. More...
void	ov_reset (Pio *const p_pio, const uint32_t ul_mask)
	Reset OV7740 sensor using power pin. More...
uint32_t	ov_restore_manual (volatile uint32_t *p_backup_addr, uint32_t ul_size)
	Restore backup register manually. More...
static void	ov_retrieve_manual (Twi *const p_twi)
	Retrieve register manually. More...
uint32_t	ov_store_manual (Twi *const p_twi, volatile uint32_t *p_backup_addr, uint32_t ul_size)
	Store back up register manually. More...
static uint32_t	ov_test_write (Twi *const p_twi)
	OV7740 test write. More...
uint32_t	ov_write_reg (Twi *const p_twi, twi_packet_t *const p_packet)
	Write a specified value to a register of the OV7740 sensor. More...
uint32_t	ov_write_regs (Twi *const p_twi, const ov_reg *p_reg_list)
	Initialize a list of OV7740 registers. More...

Variables
static ov_reg	regs_manual []
	Register array for manual operation (given by OmniVision toolkit). More...