i have print the errno val on the segmentation falut on the petalinux host and errno value is 2
p0
p1
p2
p3. -->> Open iio device ..
... enabled channel -->> ch idx = 1
-->> iio_device_open_mask
-->> ctx->ops->open : -2
p3.1 ret = -2..
--->> iio device open failed p3.1
iio_device :0x0001d7e0
sample_count : 1024
cyclic : 1
void init_tx_single_tone_dep() -->> txbuf is NULL
void init_tx_single_tone_dep() -->> ernno : 2
thanks
N.