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Merge pull request #140 from dimitre/flip

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[suggestion] : having a flip function with horizontal and vertical
This commit is contained in:
Neucrack
2024-06-13 11:00:20 +08:00
committed by GitHub
parent 0c9ca167b7 377cb291e7
commit 1e63c0d678
3 changed files with 40 additions and 0 deletions
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1
libraries/Camera/src/Camera.h
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@@ -78,6 +78,7 @@ public:
virtual uint8_t* getRGB888(){ return nullptr; };
virtual void setRotation(uint8_t rotation) = 0;
virtual void setInvert(bool invert) = 0;
virtual void flip(bool horiz, bool vert);
virtual int width(){ return _width; }

35
libraries/Sipeed_OV2640/src/Sipeed_OV2640.cpp
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@@ -1488,6 +1488,38 @@ int Sipeed_OV2640::ov2640_set_vflip(int enable)
return ret;
}
int Sipeed_OV2640::ov2640_set_flip(bool horiz, bool vert)
{
uint8_t reg;
int ret = cambus_readb(_slaveAddr, BANK_SEL, &reg);
ret |= cambus_writeb(_slaveAddr, BANK_SEL, reg | BANK_SEL_SENSOR);
ret |= cambus_readb(_slaveAddr, REG04, &reg);
if (horiz) {
reg |= REG04_HFLIP_IMG;
reg |= REG04_HREF_EN;
}
else {
reg &= ~REG04_HFLIP_IMG;
reg &= ~REG04_HREF_EN;
}
if (vert) {
reg |= REG04_VFLIP_IMG;
reg |= REG04_VREF_EN;
}
else {
reg &= ~REG04_VFLIP_IMG;
reg &= ~REG04_VREF_EN;
}
ret |= cambus_writeb(_slaveAddr, REG04, reg);
return ret;
}
int Sipeed_OV2640::reverse_u32pixel(uint32_t* addr,uint32_t length)
{
if(NULL == addr)
@@ -1522,3 +1554,6 @@ int Sipeed_OV2640::sensor_snapshot( )
return 0;
}
int Sipeed_OV2640::flip( bool horiz, bool vert ) {
return ov2640_set_flip(horiz, vert);
}

4
libraries/Sipeed_OV2640/src/Sipeed_OV2640.h
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@@ -56,6 +56,8 @@ public:
virtual uint8_t* getRGB888(){ return _aiBuffer; };
virtual void setRotation(uint8_t rotation);
virtual void setInvert(bool invert);
void flip(bool horiz, bool vert);
private:
uint8_t* _dataBuffer; // put RGB565 data
@@ -103,6 +105,8 @@ private:
int ov2640_get_rgb_gain_db(float *r_gain_db, float *g_gain_db, float *b_gain_db);
int ov2640_set_hmirror(int enable);
int ov2640_set_vflip(int enable);
int ov2640_set_flip(bool horiz, bool vert);
int sensor_snapshot( );
int reverse_u32pixel(uint32_t* addr,uint32_t length);