diff options
| author | mrfaptastic <12006953+mrfaptastic@users.noreply.github.com> | 2020-08-14 11:33:20 +0100 |
|---|---|---|
| committer | mrfaptastic <12006953+mrfaptastic@users.noreply.github.com> | 2020-08-14 11:33:20 +0100 |
| commit | db198d7b60bfc71bb83565a789b1a4b0d50649ca (patch) | |
| tree | 7014e4054fc3e70ba13ff8e69ff874a3e7529736 | |
| parent | b504f6292de8a07f155d42f650e535ef901754c6 (diff) | |
Thou shalt not trust Adafruit GFX
Especially when using the co-ordinates it generates as a means to access memory.
| -rw-r--r-- | ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp | 2 | ||||
| -rw-r--r-- | library.json | 2 | ||||
| -rw-r--r-- | library.properties | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp b/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp index dedea53..b4f07da 100644 --- a/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp +++ b/ESP32-RGB64x32MatrixPanel-I2S-DMA.cpp @@ -442,7 +442,7 @@ void RGB64x32MatrixPanel_I2S_DMA::updateMatrixDMABuffer(int16_t x_coord, int16_t // Check that the co-ordinates are within range, or it'll break everything big time. // Valid co-ordinates are from 0 to (MATRIX_XXXX-1) - if ( x_coord >= MATRIX_WIDTH || y_coord >= MATRIX_HEIGHT) { + if ( x_coord < 0 || y_coord < 0 || x_coord >= MATRIX_WIDTH || y_coord >= MATRIX_HEIGHT) { return; } diff --git a/library.json b/library.json index 58bd538..21425a4 100644 --- a/library.json +++ b/library.json @@ -10,7 +10,7 @@ "name": "Faptastic", "url": "https://github.com/mrfaptastic/" }, - "version": "1.2.1", + "version": "1.2.2", "frameworks": "arduino", "platforms": "esp32", "examples": [ diff --git a/library.properties b/library.properties index ca2813e..6b7f5ef 100644 --- a/library.properties +++ b/library.properties @@ -1,5 +1,5 @@ name=ESP32 64x32 LED MATRIX HUB75 DMA Display -version=1.2.1 +version=1.2.2 author=Faptastic maintainer=Faptastic sentence=Experimental DMA based LED Matrix HUB75 Library |