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Cannot use latest (2.0.7) ESP32-HUB75-MatrixPanel-I2S-DMA library #14

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mdskier opened this issue Aug 6, 2022 · 0 comments
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@mdskier
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mdskier commented Aug 6, 2022

Trying to use This project:
https://github.com/witnessmenow/ESP32-Trinity/blob/master/examples/BuildingBlocks/Text/ScrollingText/ScrollingText.ino
will not compile with 2.0.7 (or 2.0.6). Using version 2.0.5 of that library does work, however.
Get the following error:
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.cpp:10:21: note: #pragma message: Compiling for original (released 2016) 520kB SRAM ESP32.
#pragma message "Compiling for original (released 2016) 520kB SRAM ESP32."
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sketch/ScrollingSignTime.ino.cpp.o: in function `MatrixPanel_I2S_DMA::flipDMABuffer()':
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.h:528:(.iram1.29[MatrixPanel_I2S_DMA::flipDMABuffer()]+0x8): dangerous relocation: l32r: literal placed after use: .literal._ZN19MatrixPanel_I2S_DMA13flipDMABufferEv
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.h:530:(.iram1.29[MatrixPanel_I2S_DMA::flipDMABuffer()]+0xe): dangerous relocation: l32r: literal placed after use: (.literal._ZN19MatrixPanel_I2S_DMA13flipDMABufferEv+0x4)
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.h:532:(.iram1.29[MatrixPanel_I2S_DMA::flipDMABuffer()]+0x1c): dangerous relocation: l32r: literal placed after use: (.literal._ZN19MatrixPanel_I2S_DMA13flipDMABufferEv+0x8)
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.h:537:(.iram1.29[MatrixPanel_I2S_DMA::flipDMABuffer()]+0x2e): dangerous relocation: l32r: literal placed after use: (.literal._ZN19MatrixPanel_I2S_DMA13flipDMABufferEv+0xc)
Multiple libraries were found for "WiFi.h"
Used: /Users/tom/Library/Arduino15/packages/esp32/hardware/esp32/2.0.4/libraries/WiFi
Not used: /Applications/Arduino.app/Contents/Java/libraries/WiFi
/Users/tom/Arduino/libraries/ESP32_HUB75_LED_MATRIX_PANEL_DMA_Display/ESP32-HUB75-MatrixPanel-I2S-DMA.h:539:(.iram1.29[MatrixPanel_I2S_DMA::flipDMABuffer()]+0x34): dangerous relocation: l32r: literal placed after use: (.literal._ZN19MatrixPanel_I2S_DMA13flipDMABufferEv+0x10)
collect2: error: ld returned 1 exit status
exit status 1
Error compiling for board WEMOS D1 MINI ESP32.

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