ScStw/ESP32-HUB75-MatrixPanel-DMA
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Minor fixes

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This commit is contained in:
mrfaptastic 2020-07-29 22:33:18 +01:00
parent f30bb5f136
commit db629d87c8
2 changed files with 9 additions and 5 deletions
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8
ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp
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@ -269,6 +269,8 @@ bool RGB64x32MatrixPanel_I2S_DMA::allocateDMAmemory()
delay(1000); delay(1000);
#endif #endif
// Just os we know
everything_OK = true;
return true; return true;
@ -389,16 +391,12 @@ void RGB64x32MatrixPanel_I2S_DMA::configureDMA(int r1_pin, int g1_pin, int b1_
delay(1000); delay(1000);
#endif #endif
// Just os we know
everything_OK = true;
} // end initMatrixDMABuff } // end initMatrixDMABuff
/* Update a specific co-ordinate in the DMA buffer */ /* Update a specific co-ordinate in the DMA buffer */
void RGB64x32MatrixPanel_I2S_DMA::updateMatrixDMABuffer(int16_t x_coord, int16_t y_coord, uint8_t red, uint8_t green, uint8_t blue) void RGB64x32MatrixPanel_I2S_DMA::updateMatrixDMABuffer(int16_t x_coord, int16_t y_coord, uint8_t red, uint8_t green, uint8_t blue)
{ {

6
ESP32-RGB64x32MatrixPanel-I2S-DMA.h
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@ -249,6 +249,9 @@ class RGB64x32MatrixPanel_I2S_DMA : public GFX {
#if SERIAL_DEBUG #if SERIAL_DEBUG
Serial.printf("Set back buffer to: %d\n", back_buffer_id); Serial.printf("Set back buffer to: %d\n", back_buffer_id);
#endif #endif
// Wait before we allow any writing to the buffer. Stop flicker.
while(!i2s_parallel_is_previous_buffer_free()) {}
} }
inline void showDMABuffer() inline void showDMABuffer()
@ -261,6 +264,9 @@ class RGB64x32MatrixPanel_I2S_DMA : public GFX {
#endif #endif
i2s_parallel_flip_to_buffer(&I2S1, back_buffer_id); i2s_parallel_flip_to_buffer(&I2S1, back_buffer_id);
// Wait before we allow any writing to the buffer. Stop flicker.
while(!i2s_parallel_is_previous_buffer_free()) {}
} }