I need to connect 4 SPI devices on my ESP32: ili 9488 Touch controller SD Card MCP23S17 TFT_eSPI library mentions this: // The ESP32 has 2 free SPI ports i.e. VSPI and HSPI, the VSPI is the default. // If the VSPI port is in use and pins are not accessible (e.g. TTGO T-Beam) // then uncommen…

TFT_eSPI ESP32 SPI_Multiple_Buses

Impulsive June 26, 2019, 4:15am 5

Mode30: have you tried disconnecting the TFT SDO/MISO connection? Some ILI9488 don’t tristate MISO properly and can conflict with the touch controller’s SPI transactions.

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TFT_eSPI ESP32 SPI_Multiple_Buses

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