diff options
Diffstat (limited to 'src/platforms/esp/32/clockless_rmt_esp32.cpp')
-rw-r--r-- | src/platforms/esp/32/clockless_rmt_esp32.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/platforms/esp/32/clockless_rmt_esp32.cpp b/src/platforms/esp/32/clockless_rmt_esp32.cpp index 1b3b7d3f..c7691f69 100644 --- a/src/platforms/esp/32/clockless_rmt_esp32.cpp +++ b/src/platforms/esp/32/clockless_rmt_esp32.cpp @@ -84,10 +84,17 @@ ESP32RMTController::ESP32RMTController(int DATA_PIN, int T1, int T2, int T3, int // the PixelController object until show is called. uint8_t * ESP32RMTController::getPixelBuffer(int size_in_bytes) { + // -- Free the old buffer if it will be too small + if (mPixelData != 0 and mSize < size_in_bytes) { + free(mPixelData); + mPixelData = 0; + } + if (mPixelData == 0) { mSize = size_in_bytes; mPixelData = (uint8_t *) malloc(mSize); } + return mPixelData; } |