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fix for APA102 crash on classic esp32 with PSRAM

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On esp32 with PSRAM, one of the SPI hosts (HSPI or VSPI) will be occupied by the system. Application code should never touch this SPI host.
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Frank
2026-03-26 18:09:35 +01:00
parent 453c5e6023
commit 9fd2a51cf4
1 changed files with 9 additions and 1 deletions
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10
wled00/bus_wrapper.h
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@@ -263,11 +263,19 @@ bool canUseSerial(void); // WLEDMM (wled_serial.cpp) returns true if Serial ca
#endif
//APA102
#ifdef WLED_USE_ETHERNET
#if defined(WLED_USE_ETHERNET) || (defined(BOARD_HAS_PSRAM) && defined(CONFIG_SPIRAM_OCCUPY_VSPI_HOST) && (defined(CONFIG_SPIRAM_TYPE_ESPPSRAM32) || defined(CONFIG_SPIRAM_TYPE_AUTO)))
// fix for #2542 (by @BlackBird77)
// fix for esp32 with PSRAM: if SPI RAM is of type 32MBit, one of the SPI hosts (HSPI or VSPI) will be occupied by the system. Application code should never touch this SPI host.
#define B_HS_DOT_3 NeoPixelBusLg<DotStarBgrFeature, DotStarEsp32HspiHzMethod, NeoGammaNullMethod> //hardware HSPI (was DotStarEsp32DmaHspi5MhzMethod in NPB @ 2.6.9)
#warning "APA102 cannot use VSPI, falling back to HSPI"
#if CONFIG_SPIRAM_OCCUPY_HSPI_HOST
#warning "APA102 uses HSPI driver which might be needed for PSRAM"
#endif
#else
#define B_HS_DOT_3 NeoPixelBusLg<DotStarBgrFeature, DotStarSpiHzMethod, NeoGammaNullMethod> //hardware VSPI
#if CONFIG_SPIRAM_OCCUPY_VSPI_HOST
#warning "APA102 uses VSPI driver which might be needed for PSRAM"
#endif
#endif
#define B_SS_DOT_3 NeoPixelBusLg<DotStarBgrFeature, DotStarMethod, NeoGammaNullMethod> //soft SPI