diff options
| author | mrfaptastic <12006953+mrfaptastic@users.noreply.github.com> | 2021-06-24 16:37:46 +0100 |
|---|---|---|
| committer | mrfaptastic <12006953+mrfaptastic@users.noreply.github.com> | 2021-06-24 16:37:46 +0100 |
| commit | 087e96d0d771a3a1f2019dfcd2f6e48c5140e3bd (patch) | |
| tree | b0c238d9fbfc34a742a19b5d4cf793168be19015 | |
| parent | c049fc8b7e4c377022ae94e1778cc21337366ebf (diff) | |
Inital commit
| -rw-r--r-- | ESP32-HUB75-MatrixPanel-I2S-DMA.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp index fd31f73..6e30888 100644 --- a/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp +++ b/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp @@ -637,6 +637,7 @@ void MatrixPanel_I2S_DMA::clearFrameBuffer(bool _buff_id){ // drive latch while shifting out last bit of RGB data row[dma_buff.rowBits[row_idx]->width - 2] |= BIT_LAT; // -1 pixel to compensate array index starting at 0 + row[dma_buff.rowBits[row_idx]->width - 1] |= BIT_LAT; // -1 pixel to compensate array index starting at 0 // need to disable OE before/after latch to hide row transition // Should be one clock or more before latch, otherwise can get ghosting @@ -661,8 +662,8 @@ void MatrixPanel_I2S_DMA::brtCtrlOE(int brt, const bool _buff_id){ if (!initialized) return; - if (brt > PIXELS_PER_ROW - m_cfg.latch_blanking) // can't control values larger than (row_width - latch_blanking) to avoid ongoing issues being raised about brightness and ghosting. - brt = PIXELS_PER_ROW - m_cfg.latch_blanking; + if (brt > PIXELS_PER_ROW - (MAX_LAT_BLANKING + 2)) // can't control values larger than (row_width - latch_blanking) to avoid ongoing issues being raised about brightness and ghosting. + brt = PIXELS_PER_ROW - (MAX_LAT_BLANKING + 2); // +2 for a bit of buffer... if (brt < 0) brt = 0; |