diff options
| author | Michał Bazan <michal.bazan@connectedinnovations.com> | 2024-09-19 04:10:51 -0700 |
|---|---|---|
| committer | Michał Bazan <michal.bazan@connectedinnovations.com> | 2024-09-19 04:39:20 -0700 |
| commit | 268fd5ea4e22631cabe280217623d642dff52d7c (patch) | |
| tree | f61698a7ac83c2bf642d20679b7b1a63ccae8097 /examples | |
| parent | 4b3404a361048b361864cbb8ed9136b5a72d8f08 (diff) | |
fixed nullptr dereference in example 3
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/1_SimpleTestShapes/1_SimpleTestShapes.ino | 2 | ||||
| -rw-r--r-- | examples/3_DoubleBuffer/3_DoubleBuffer.ino | 19 |
2 files changed, 14 insertions, 7 deletions
diff --git a/examples/1_SimpleTestShapes/1_SimpleTestShapes.ino b/examples/1_SimpleTestShapes/1_SimpleTestShapes.ino index bc1006a..64fb76c 100644 --- a/examples/1_SimpleTestShapes/1_SimpleTestShapes.ino +++ b/examples/1_SimpleTestShapes/1_SimpleTestShapes.ino @@ -108,7 +108,7 @@ void setup() { myWHITE = dma_display->color565(255, 255, 255); myRED = dma_display->color565(255, 0, 0); myGREEN = dma_display->color565(0, 255, 0); - myBLUE = dma_disdisplay->color565(0, 0, 255); + myBLUE = dma_display->color565(0, 0, 255); dma_display->fillScreen(myWHITE); diff --git a/examples/3_DoubleBuffer/3_DoubleBuffer.ino b/examples/3_DoubleBuffer/3_DoubleBuffer.ino index 5a41d67..c479941 100644 --- a/examples/3_DoubleBuffer/3_DoubleBuffer.ino +++ b/examples/3_DoubleBuffer/3_DoubleBuffer.ino @@ -5,16 +5,15 @@ // Double buffering is not always required in reality. #include <ESP32-HUB75-MatrixPanel-I2S-DMA.h> +#include <array> MatrixPanel_I2S_DMA *display = nullptr; -uint16_t myDARK = display->color565(64, 64, 64); -uint16_t myWHITE = display->color565(192, 192, 192); -uint16_t myRED = display->color565(255, 0, 0); -uint16_t myGREEN = display->color565(0, 255, 0); -uint16_t myBLUE = display->color565(0, 0, 255); +constexpr std::size_t color_num = 5; +using colour_arr_t = std::array<uint16_t, color_num>; -uint16_t colours[5] = { myDARK, myWHITE, myRED, myGREEN, myBLUE }; +uint16_t myDARK, myWHITE, myRED, myGREEN, myBLUE; +colour_arr_t colours; struct Square { @@ -45,6 +44,14 @@ void setup() display = new MatrixPanel_I2S_DMA(mxconfig); display->begin(); // setup display with pins as pre-defined in the library + myDARK = display->color565(64, 64, 64); + myWHITE = display->color565(192, 192, 192); + myRED = display->color565(255, 0, 0); + myGREEN = display->color565(0, 255, 0); + myBLUE = display->color565(0, 0, 255); + + colours = {{ myDARK, myWHITE, myRED, myGREEN, myBLUE }}; + // Create some random squares for (int i = 0; i < numSquares; i++) { |