Differences
This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | |||
en:xu3_hardware_spi [2016/12/09 11:27] charles.park [Reading the SPI Flash device ID on Expansion-Board] |
en:xu3_hardware_spi [2016/12/24 12:15] odroid [Reading the SPI Flash device ID on Expansion-Board] |
||
---|---|---|---|
Line 35: | Line 35: | ||
34 34 34 34 | 34 34 34 34 | ||
</code> | </code> | ||
+ | |||
+ | If you tie the MOSI and MISO pins, the output is "AB 00 00 00".\\ | ||
+ | We call it loopback test. | ||
+ | |||
<file c spidev_test.c> | <file c spidev_test.c> | ||
/* | /* |