I followed all steps on SPI module on Raspberry Pi 2, without success, no way to make this work on a Pi2...
On /boot/config/txt there is:
Blacklist file is empty. lsmod returns
spi_bcm2835 7216 0
ls /dev/spi* returns:
But still I get no electric activity on any SPI pin. Connected a scope on SCK pin (pin #23, GPIO11/SPI_CLK) and nothing. Tryed :
echo -ne "\x01\x02\x03" > /dev/spidev0.0
and also run the spi_test application (returns all zeroes).
Any hint on what I am doing wrong?
The Pi is running latest version of raspbian