wang

Discovered using a logic analyzer，GPIO4 use by HW_SPI_SCK,GPIO6 use by HW_SPI_MOSI. It's not match datasheet default pin func,

After line 582 of the Adafruit_SPITFT.cpp file: if (!freq) freq = DEFAULT_SPI_FREQ; // If no freq specified, use default Add the following code: freq = 10000000; After line 639: hwspi._spi->begin();...