Software SPI on ATmega1284P and ADXL362

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hello all, may have question please?

i have arduino uno*pro based on atmega1284p chip. when try use standard spi library access adxl362 accelerometer, not work , bytes received missing last one, 2 or 3 bits. when write 0x11000011, read 0x1100010, values read or dividible 4, 8 etc..

i thought problem timing or wires 4 inches long. have tried divide spi frequency dividers 128, did not help.

i try slow bitbanging software spi library, unfortunately 2 found, digitalio , softspi not contain proper pin sections chip.

any advice please? thanks, jan

my advice post code. suggested in forum "sticky".


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