wen/luban-lite
0
0
Fork 0
mirror of https://gitee.com/Vancouver2017/luban-lite.git synced 2025-12-26 14:08:53 +00:00
Code Issues Packages Projects Releases Wiki Activity

v1.1.1

Browse Source
This commit is contained in:
刘可亮
2024-10-30 16:50:31 +08:00
parent 0ef85b55da
commit 661e71562d
458 changed files with 46555 additions and 12133 deletions
Download Patch File Download Diff File Expand all files Collapse all files

132
bsp/peripheral/camera/ov7670/drv_ov7670.c
View File

@@ -18,6 +18,7 @@
#include "mpp_vin.h"
#include "drv_camera.h"
#include "camera_inner.h"
/* Default format configuration of OV7670 */
#define OV7670_DFT_WIN OV7670_WIN_VGA
@@ -191,11 +192,6 @@ enum ov7670_model {
MODEL_OV7675,
};
struct regval_list {
unsigned char reg_num;
unsigned char value;
};
struct ov7670_win_size {
int width;
int height;
@@ -204,7 +200,7 @@ struct ov7670_win_size {
int hstop; /* that they do not always make complete */
int vstart; /* sense to humans, but evidently the sensor */
int vstop; /* will do the right thing... */
struct regval_list *regs; /* Regs to tweak */
struct reg8_info *regs; /* Regs to tweak */
};
struct ov7670_format_struct; /* coming later */
@@ -240,7 +236,7 @@ struct ov7670_devtype {
static struct ov7670_dev g_ov7670_dev = {0};
static struct regval_list ov7670_default_regs[] = {
static struct reg8_info ov7670_default_regs[] = {
{ REG_COM7, COM7_RESET },
/*
* Clock scale: 3 = 15fps
@@ -367,7 +363,7 @@ static struct regval_list ov7670_default_regs[] = {
* IMPORTANT RULE: the first entry must be for COM7, see ov7670_s_fmt for why.
*/
static struct regval_list ov7670_fmt_yuv422[] = {
static struct reg8_info ov7670_fmt_yuv422[] = {
{ REG_COM7, 0x0 }, /* Selects YUV mode */
{ REG_RGB444, 0 }, /* No RGB444 please */
{ REG_COM1, 0 }, /* CCIR601 */
@@ -383,7 +379,7 @@ static struct regval_list ov7670_fmt_yuv422[] = {
{ 0xff, 0xff },
};
static struct regval_list ov7670_fmt_rgb565[] = {
static struct reg8_info ov7670_fmt_rgb565[] = {
{ REG_COM7, COM7_RGB }, /* Selects RGB mode */
{ REG_RGB444, 0 }, /* No RGB444 please */
{ REG_COM1, 0x0 }, /* CCIR601 */
@@ -399,7 +395,7 @@ static struct regval_list ov7670_fmt_rgb565[] = {
{ 0xff, 0xff },
};
static struct regval_list ov7670_fmt_rgb444[] = {
static struct reg8_info ov7670_fmt_rgb444[] = {
{ REG_COM7, COM7_RGB }, /* Selects RGB mode */
{ REG_RGB444, R444_ENABLE }, /* Enable xxxxrrrr ggggbbbb */
{ REG_COM1, 0x0 }, /* CCIR601 */
@@ -415,7 +411,7 @@ static struct regval_list ov7670_fmt_rgb444[] = {
{ 0xff, 0xff },
};
static struct regval_list ov7670_fmt_raw[] = {
static struct reg8_info ov7670_fmt_raw[] = {
{ REG_COM7, COM7_BAYER },
{ REG_COM13, 0x08 }, /* No gamma, magic rsvd bit */
{ REG_COM16, 0x3d }, /* Edge enhancement, denoise */
@@ -430,7 +426,7 @@ static struct regval_list ov7670_fmt_raw[] = {
*/
static struct ov7670_format_struct {
u32 mbus_code;
struct regval_list *regs;
struct reg8_info *regs;
int cmatrix[CMATRIX_LEN];
} ov7670_formats[] = {
{
@@ -466,7 +462,7 @@ static struct ov7670_format_struct {
* which is allegedly provided by the sensor. So here's the weird register
* settings.
*/
static struct regval_list ov7670_qcif_regs[] = {
static struct reg8_info ov7670_qcif_regs[] = {
{ REG_COM3, COM3_SCALEEN|COM3_DCWEN },
{ REG_COM3, COM3_DCWEN },
{ REG_COM14, COM14_DCWEN | 0x01 },
@@ -551,58 +547,36 @@ static struct ov7670_win_size ov7675_win_sizes[] = {
};
static int ov7670_read_reg(struct rt_i2c_bus_device *i2c, unsigned char reg,
unsigned char *value)
unsigned char *val)
{
u8 data = reg;
struct rt_i2c_msg msg;
int ret = 0;
msg.addr = OV7670_I2C_SLAVE_ID;
msg.flags = RT_I2C_WR;
msg.len = 1;
msg.buf = &data;
ret = rt_i2c_transfer(i2c, &msg, 1);
if (ret < 0) {
LOG_E("Error %d on register write\n", ret);
return ret;
if (rt_i2c_read_reg(i2c, OV7670_I2C_SLAVE_ID, reg, val, 1) != 1) {
LOG_E("%s: error: reg = 0x%x, val = 0x%x", __func__, reg, *val);
return -1;
}
msg.flags = RT_I2C_RD;
ret = rt_i2c_transfer(i2c, &msg, 1);
if (ret >= 0) {
*value = data;
ret = 0;
}
return ret;
return 0;
}
static int ov7670_write_reg(struct rt_i2c_bus_device *i2c, unsigned char reg,
unsigned char value)
unsigned char val)
{
struct rt_i2c_msg msg;
unsigned char data[2] = { reg, value };
int ret = 0;
if (rt_i2c_write_reg(i2c, OV7670_I2C_SLAVE_ID, reg, &val, 1) != 1) {
LOG_E("%s: error: reg = 0x%x, val = 0x%x", __func__, reg, val);
return -1;
}
msg.addr = OV7670_I2C_SLAVE_ID;
msg.flags = RT_I2C_WR;
msg.len = 2;
msg.buf = data;
ret = rt_i2c_transfer(i2c, &msg, 1);
if (ret > 0)
ret = 0;
if (reg == REG_COM7 && (value & COM7_RESET))
if (reg == REG_COM7 && (val & COM7_RESET))
aicos_msleep(5); /* Wait for reset to run */
return ret;
return 0;
}
/* Write a list of register settings; ff/ff stops the process. */
static int ov7670_write_array(struct ov7670_dev *sensor, struct regval_list *vals)
static int ov7670_write_array(struct ov7670_dev *sensor, struct reg8_info *vals)
{
while (vals->reg_num != 0xff || vals->value != 0xff) {
int ret = ov7670_write_reg(sensor->i2c, vals->reg_num, vals->value);
if (ret < 0)
return ret;
while (vals->reg != 0xff || vals->val != 0xff) {
if (ov7670_write_reg(sensor->i2c, vals->reg, vals->val))
return -1;
vals++;
}
return 0;
@@ -700,7 +674,7 @@ static int ov7670_apply_fmt(struct ov7670_dev *sensor)
* to set it absolutely here, as long as the format-specific
* register sets list it first.
*/
com7 = sensor->ov_fmt->regs[0].value;
com7 = sensor->ov_fmt->regs[0].val;
com7 |= wsize->com7_bit;
ret = ov7670_write_reg(sensor->i2c, REG_COM7, com7);
if (ret)
@@ -811,11 +785,11 @@ static void ov7670_power_on(struct ov7670_dev *sensor)
return;
if (sensor->pwdn_pin)
rt_pin_write(sensor->pwdn_pin, 0);
camera_pin_set_low(sensor->pwdn_pin);
if (sensor->rst_pin) {
rt_pin_write(sensor->rst_pin, PIN_LOW);
camera_pin_set_low(sensor->rst_pin);
aicos_msleep(1);
rt_pin_write(sensor->rst_pin, PIN_HIGH);
camera_pin_set_high(sensor->rst_pin);
}
if (sensor->pwdn_pin || sensor->rst_pin || sensor->clk)
aicos_msleep(3);
@@ -829,7 +803,7 @@ static void ov7670_power_off(struct ov7670_dev *sensor)
return;
if (sensor->pwdn_pin)
rt_pin_write(sensor->pwdn_pin, 1);
camera_pin_set_high(sensor->pwdn_pin);
sensor->on = false;
}
@@ -863,49 +837,27 @@ static void ov7670_get_default_format(struct ov7670_dev *sensor)
MEDIA_SIGNAL_PCLK_SAMPLE_FALLING;
}
static int ov7670_i2c_init(struct ov7670_dev *sensor)
{
char name[8] = "";
snprintf(name, 8, "i2c%d", AIC_CAMERA_I2C_CHAN);
sensor->i2c = rt_i2c_bus_device_find(name);
if (sensor->i2c == RT_NULL) {
LOG_E("Failed to open %s", name);
return -ENODEV;
}
return 0;
}
static int ov7670_set_xclk(u32 freq)
{
g_ov7670_dev.clock_speed = freq / 1000000;
if (g_ov7670_dev.clock_speed < 10 || g_ov7670_dev.clock_speed > 48) {
LOG_E("xclk rate %d is out of range", g_ov7670_dev.clock_speed);
return -EINVAL;
}
return 0;
}
static rt_err_t ov7670_init(rt_device_t dev)
{
int ret = 0;
struct ov7670_dev *sensor = &g_ov7670_dev;
ret = ov7670_i2c_init(sensor);
if (ret != 0)
sensor->i2c = camera_i2c_get();
if (!sensor->i2c)
return -RT_EINVAL;
if (ov7670_set_xclk(24000000))
return -RT_EINVAL;
sensor->clock_speed = camera_xclk_rate_get() / 1000000;
if (sensor->clock_speed < 10 || sensor->clock_speed > 48) {
LOG_E("XCLK rate %d is out of range", sensor->clock_speed);
return -EINVAL;
}
ov7670_get_default_format(sensor);
sensor->rst_pin = rt_pin_get(AIC_CAMERA_RST_PIN);
sensor->pwdn_pin = rt_pin_get(AIC_CAMERA_PWDN_PIN);
rt_pin_mode(sensor->rst_pin, PIN_MODE_OUTPUT);
rt_pin_mode(sensor->pwdn_pin, PIN_MODE_OUTPUT);
sensor->rst_pin = camera_rst_pin_get();
sensor->pwdn_pin = camera_pwdn_pin_get();
if (!sensor->rst_pin || !sensor->pwdn_pin)
return -RT_EINVAL;
ov7670_power_on(sensor);
ret = ov7670_detect(sensor);