ScStw/ESP32-HUB75-MatrixPanel-DMA
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Attempted clearScreen() syncronisation fix

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No idea if this will work.
This commit is contained in:
mrfaptastic 2021-08-18 14:32:51 +01:00
parent ab641b9642
commit f6584dd321
2 changed files with 8 additions and 5 deletions
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6
ESP32-HUB75-MatrixPanel-I2S-DMA.cpp
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@ -532,9 +532,9 @@ void IRAM_ATTR MatrixPanel_I2S_DMA::updateMatrixDMABuffer(int16_t x_coord, int16
/* Update the entire buffer with a single specific colour - quicker */
void MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue)
bool MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue)
{
if ( !initialized ) return;
if ( !initialized ) return false;
/* https://ledshield.wordpress.com/2012/11/13/led-brightness-to-your-eye-gamma-correction-no/ */
#ifndef NO_CIE1931
@ -585,6 +585,8 @@ void MatrixPanel_I2S_DMA::updateMatrixDMABuffer(uint8_t red, uint8_t green, uint
} while(matrix_frame_parallel_row); // end row iteration
} // colour depth loop (8)
return true;
} // updateMatrixDMABuffer (full frame paint)
/**

7
ESP32-HUB75-MatrixPanel-I2S-DMA.h
View file

@ -425,9 +425,10 @@ class MatrixPanel_I2S_DMA {
virtual void fillScreen(uint16_t color); // overwrite adafruit implementation
/**
* A wrapper to fill whatever selected DMA buffer / screen with black
* A wrapper to fill whatever selected DMA buffer / screen with black.
* Returns true when operation is completed for syncronisation reasons.
*/
inline void clearScreen(){ updateMatrixDMABuffer(0,0,0); };
inline bool clearScreen(){ return updateMatrixDMABuffer(0,0,0); };
#ifndef NO_FAST_FUNCTIONS
/**
@ -597,7 +598,7 @@ class MatrixPanel_I2S_DMA {
void updateMatrixDMABuffer(int16_t x, int16_t y, uint8_t red, uint8_t green, uint8_t blue);
/* Update the entire DMA buffer (aka. The RGB Panel) a certain colour (wipe the screen basically) */
void updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue);
bool updateMatrixDMABuffer(uint8_t red, uint8_t green, uint8_t blue);
/**
* wipes DMA buffer(s) and reset all color/service bits