nam/esp32-camera-driver
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add settings status tracking for OV2640

Browse Source
This commit is contained in:
me-no-dev
2018-11-28 00:49:02 +01:00
parent c95a2400f8
commit 51ca34977a
3 changed files with 189 additions and 99 deletions
Download Patch File Download Diff File Expand all files Collapse all files

252
sensors/ov2640.c
View File

@@ -75,18 +75,18 @@ static int set_reg_bits(sensor_t *sensor, uint8_t bank, uint8_t reg, uint8_t off
return ret;
}
//Function is not needed currently
#if 0
static int read_reg(sensor_t *sensor, ov2640_bank_t bank, uint8_t reg)
{
if(set_bank(sensor, bank)){
return 0;
}
return SCCB_Read(sensor->slv_addr, reg);
}
static uint8_t get_reg_bits(sensor_t *sensor, uint8_t bank, uint8_t reg, uint8_t offset, uint8_t mask)
{
uint8_t ret = 0;
if(set_bank(sensor, bank)){
return ret;
}
ret = (SCCB_Read(sensor->slv_addr, reg) >> offset) & mask;
return ret;
return (read_reg(sensor, bank, reg) >> offset) & mask;
}
#endif
static int write_reg_bits(sensor_t *sensor, uint8_t bank, uint8_t reg, uint8_t mask, int enable)
{
@@ -229,7 +229,7 @@ static int set_framesize(sensor_t *sensor, framesize_t framesize)
uint16_t h = resolution[framesize][1];
const uint8_t (*regs)[2];
sensor->framesize = framesize;
sensor->status.framesize = framesize;
if (framesize <= FRAMESIZE_CIF) {
regs = ov2640_settings_to_cif;
@@ -261,6 +261,7 @@ static int set_contrast(sensor_t *sensor, int level)
if (level <= 0 || level > NUM_CONTRAST_LEVELS) {
return -1;
}
sensor->status.contrast = level-3;
for (int i=0; i<7; i++) {
WRITE_REG_OR_RETURN(BANK_DSP, contrast_regs[0][i], contrast_regs[level][i]);
}
@@ -274,6 +275,7 @@ static int set_brightness(sensor_t *sensor, int level)
if (level <= 0 || level > NUM_BRIGHTNESS_LEVELS) {
return -1;
}
sensor->status.brightness = level-3;
for (int i=0; i<5; i++) {
WRITE_REG_OR_RETURN(BANK_DSP, brightness_regs[0][i], brightness_regs[level][i]);
}
@@ -287,6 +289,7 @@ static int set_saturation(sensor_t *sensor, int level)
if (level <= 0 || level > NUM_SATURATION_LEVELS) {
return -1;
}
sensor->status.saturation = level-3;
for (int i=0; i<5; i++) {
WRITE_REG_OR_RETURN(BANK_DSP, saturation_regs[0][i], saturation_regs[level][i]);
}
@@ -300,6 +303,7 @@ static int set_special_effect(sensor_t *sensor, int effect)
if (effect <= 0 || effect > NUM_SPECIAL_EFFECTS) {
return -1;
}
sensor->status.special_effect = effect-1;
for (int i=0; i<5; i++) {
WRITE_REG_OR_RETURN(BANK_DSP, special_effects_regs[0][i], special_effects_regs[effect][i]);
}
@@ -312,6 +316,7 @@ static int set_wb_mode(sensor_t *sensor, int mode)
if (mode < 0 || mode > NUM_WB_MODES) {
return -1;
}
sensor->status.wb_mode = mode;
SET_REG_BITS_OR_RETURN(BANK_DSP, 0XC7, 6, 1, mode?1:0);
if(mode) {
for (int i=0; i<3; i++) {
@@ -328,121 +333,176 @@ static int set_ae_level(sensor_t *sensor, int level)
if (level <= 0 || level > NUM_AE_LEVELS) {
return -1;
}
sensor->status.ae_level = level-3;
for (int i=0; i<3; i++) {
WRITE_REG_OR_RETURN(BANK_SENSOR, ae_levels_regs[0][i], ae_levels_regs[level][i]);
}
return ret;
}
static int set_quality(sensor_t *sensor, int quality)
{
if(quality < 0) {
quality = 0;
} else if(quality > 63) {
quality = 63;
}
sensor->status.quality = quality;
return write_reg(sensor, BANK_DSP, QS, quality);
}
static int set_agc_gain(sensor_t *sensor, int gain)
{
const uint8_t gain_tbl[31] = {
0x00, 0x10, 0x18, 0x30, 0x34, 0x38, 0x3C, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7A, 0x7C, 0x7E, 0xF0,
0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
};
if(gain < 0) {
gain = 0;
} else if(gain > 30) {
gain = 30;
}
return write_reg(sensor, BANK_SENSOR, GAIN, gain_tbl[gain]);
}
static int set_quality(sensor_t *sensor, int qs)
{
return write_reg(sensor, BANK_DSP, QS, qs);
}
static int set_colorbar(sensor_t *sensor, int enable)
{
return write_reg_bits(sensor, BANK_SENSOR, COM7, COM7_COLOR_BAR, enable);
sensor->status.agc_gain = gain;
return write_reg(sensor, BANK_SENSOR, GAIN, agc_gain_tbl[gain]);
}
static int set_gainceiling_sensor(sensor_t *sensor, gainceiling_t gainceiling)
{
return write_reg(sensor, BANK_SENSOR, COM9, COM9_AGC_SET(gainceiling));
}
static int set_agc_sensor(sensor_t *sensor, int enable)
{
return write_reg_bits(sensor, BANK_SENSOR, COM8, COM8_AGC_EN, enable);
}
static int set_aec_sensor(sensor_t *sensor, int enable)
{
return write_reg_bits(sensor, BANK_SENSOR, COM8, COM8_AEC_EN, enable);
}
static int set_hmirror_sensor(sensor_t *sensor, int enable)
{
return write_reg_bits(sensor, BANK_SENSOR, REG04, REG04_HFLIP_IMG, enable);
}
static int set_vflip_sensor(sensor_t *sensor, int enable)
{
return write_reg_bits(sensor, BANK_SENSOR, REG04, REG04_VFLIP_IMG, enable);
}
static int set_aec_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL0, 6, 1, enable?0:1);
}
static int set_raw_gma_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL1, 5, 1, enable?1:0);
}
static int set_awb_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL1, 3, 1, enable?1:0);
}
static int set_awb_gain_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL1, 2, 1, enable?1:0);
}
static int set_lenc_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL1, 1, 1, enable?1:0);
}
static int set_pre_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL1, 0, 1, enable?1:0);
}
static int set_dcw_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL2, 5, 1, enable?1:0);
}
static int set_bpc_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL3, 7, 1, enable?1:0);
}
static int set_wpc_dsp(sensor_t *sensor, int enable)
{
return set_reg_bits(sensor, BANK_DSP, CTRL3, 6, 1, enable?1:0);
sensor->status.gainceiling = gainceiling;
//return write_reg(sensor, BANK_SENSOR, COM9, COM9_AGC_SET(gainceiling));
return set_reg_bits(sensor, BANK_SENSOR, COM9, 5, 7, gainceiling);
}
static int set_aec_value(sensor_t *sensor, int value)
{
if(value < 0) {
value = 0;
} else if(value > 0xFFFF) {
value = 0xFFFF;
} else if(value > 1200) {
value = 1200;
}
sensor->status.aec_value = value;
return set_reg_bits(sensor, BANK_SENSOR, REG04, 0, 3, value & 0x3)
|| write_reg(sensor, BANK_SENSOR, AEC, (value >> 2) & 0xFF)
|| set_reg_bits(sensor, BANK_SENSOR, REG45, 0, 0x3F, value >> 10);
}
static int set_aec2(sensor_t *sensor, int enable)
{
sensor->status.aec2 = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL0, 6, 1, enable?0:1);
}
static int set_colorbar(sensor_t *sensor, int enable)
{
sensor->status.colorbar = enable;
return write_reg_bits(sensor, BANK_SENSOR, COM7, COM7_COLOR_BAR, enable?1:0);
}
static int set_agc_sensor(sensor_t *sensor, int enable)
{
sensor->status.agc = enable;
return write_reg_bits(sensor, BANK_SENSOR, COM8, COM8_AGC_EN, enable?1:0);
}
static int set_aec_sensor(sensor_t *sensor, int enable)
{
sensor->status.aec = enable;
return write_reg_bits(sensor, BANK_SENSOR, COM8, COM8_AEC_EN, enable?1:0);
}
static int set_hmirror_sensor(sensor_t *sensor, int enable)
{
sensor->status.hmirror = enable;
return write_reg_bits(sensor, BANK_SENSOR, REG04, REG04_HFLIP_IMG, enable?1:0);
}
static int set_vflip_sensor(sensor_t *sensor, int enable)
{
sensor->status.vflip = enable;
return write_reg_bits(sensor, BANK_SENSOR, REG04, REG04_VFLIP_IMG, enable?1:0);
}
static int set_raw_gma_dsp(sensor_t *sensor, int enable)
{
sensor->status.raw_gma = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL1, 5, 1, enable?1:0);
}
static int set_awb_dsp(sensor_t *sensor, int enable)
{
sensor->status.awb = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL1, 3, 1, enable?1:0);
}
static int set_awb_gain_dsp(sensor_t *sensor, int enable)
{
sensor->status.awb_gain = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL1, 2, 1, enable?1:0);
}
static int set_lenc_dsp(sensor_t *sensor, int enable)
{
sensor->status.lenc = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL1, 1, 1, enable?1:0);
}
static int set_dcw_dsp(sensor_t *sensor, int enable)
{
sensor->status.dcw = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL2, 5, 1, enable?1:0);
}
static int set_bpc_dsp(sensor_t *sensor, int enable)
{
sensor->status.bpc = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL3, 7, 1, enable?1:0);
}
static int set_wpc_dsp(sensor_t *sensor, int enable)
{
sensor->status.wpc = enable;
return set_reg_bits(sensor, BANK_DSP, CTRL3, 6, 1, enable?1:0);
}
static int init_status(sensor_t *sensor){
sensor->status.brightness = 0;
sensor->status.contrast = 0;
sensor->status.saturation = 0;
sensor->status.ae_level = 0;
sensor->status.special_effect = 0;
sensor->status.wb_mode = 0;
sensor->status.agc_gain = 30;
int agc_gain = read_reg(sensor, BANK_SENSOR, GAIN);
for (int i=0; i<30; i++){
if(agc_gain >= agc_gain_tbl[i] && agc_gain < agc_gain_tbl[i+1]){
sensor->status.agc_gain = i;
break;
}
}
sensor->status.aec_value = ((uint16_t)get_reg_bits(sensor, BANK_SENSOR, REG45, 0, 0x3F) << 10)
| ((uint16_t)read_reg(sensor, BANK_SENSOR, AEC) << 2)
| get_reg_bits(sensor, BANK_SENSOR, REG04, 0, 3);//0 - 1200
sensor->status.quality = read_reg(sensor, BANK_DSP, QS);
sensor->status.gainceiling = get_reg_bits(sensor, BANK_SENSOR, COM9, 5, 7);
sensor->status.awb = get_reg_bits(sensor, BANK_DSP, CTRL1, 3, 1);
sensor->status.awb_gain = get_reg_bits(sensor, BANK_DSP, CTRL1, 2, 1);
sensor->status.aec = get_reg_bits(sensor, BANK_SENSOR, COM8, 0, 1);
sensor->status.aec2 = get_reg_bits(sensor, BANK_DSP, CTRL0, 6, 1);
sensor->status.agc = get_reg_bits(sensor, BANK_SENSOR, COM8, 2, 1);
sensor->status.bpc = get_reg_bits(sensor, BANK_DSP, CTRL3, 7, 1);
sensor->status.wpc = get_reg_bits(sensor, BANK_DSP, CTRL3, 6, 1);
sensor->status.raw_gma = get_reg_bits(sensor, BANK_DSP, CTRL1, 5, 1);
sensor->status.lenc = get_reg_bits(sensor, BANK_DSP, CTRL1, 1, 1);
sensor->status.hmirror = get_reg_bits(sensor, BANK_SENSOR, REG04, 7, 1);
sensor->status.vflip = get_reg_bits(sensor, BANK_SENSOR, REG04, 6, 1);
sensor->status.dcw = get_reg_bits(sensor, BANK_DSP, CTRL2, 5, 1);
sensor->status.colorbar = get_reg_bits(sensor, BANK_SENSOR, COM7, 1, 1);
return 0;
}
int ov2640_init(sensor_t *sensor)
{
sensor->reset = reset;
sensor->init_status = init_status;
sensor->set_pixformat = set_pixformat;
sensor->set_framesize = set_framesize;
sensor->set_contrast = set_contrast;
@@ -459,7 +519,7 @@ int ov2640_init(sensor_t *sensor)
sensor->set_vflip = set_vflip_sensor;
sensor->set_whitebal = set_awb_dsp;
sensor->set_aec2 = set_aec_dsp;
sensor->set_aec2 = set_aec2;
sensor->set_aec_value = set_aec_value;
sensor->set_special_effect = set_special_effect;
sensor->set_wb_mode = set_wb_mode;
@@ -473,9 +533,7 @@ int ov2640_init(sensor_t *sensor)
sensor->set_raw_gma = set_raw_gma_dsp;
sensor->set_lenc = set_lenc_dsp;
sensor->set_pre = set_pre_dsp;
ESP_LOGD(TAG, "OV2640 Attached");
ESP_LOGD(TAG, "OV2640 Attached");
return 0;
}

5
sensors/private_include/ov2640_settings.h
View File

@@ -436,4 +436,9 @@ static const uint8_t ae_levels_regs[NUM_AE_LEVELS + 1][3] = {
{0x58, 0X50, 0x92 },
};
const uint8_t agc_gain_tbl[31] = {
0x00, 0x10, 0x18, 0x30, 0x34, 0x38, 0x3C, 0x70, 0x72, 0x74, 0x76, 0x78, 0x7A, 0x7C, 0x7E, 0xF0,
0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF
};
#endif /* _OV2640_SETTINGS_H_ */