Category: Software
Product Number: ADIS16475
Software Version: Libiio version 0.25
I'm trying to create a buffer using the "iio_device_create_buffer", but this either gives a EINVAL error when I'm trying to create a non-cyclic buffer or a EPERM error when I'm trying to create a cyclic buffer.
Maybe it has something to do with the triggers not properly working because `iio_info` gives the folowing output:
iio_info version: 0.25 (git tag:v0.25) Libiio version: 0.25 (git tag: v0.25) backends: local xml ip usb serial IIO context created with local backend. Backend version: 0.25 (git tag: v0.25) Backend description string: Linux scout 6.1.74-v8+ #4 SMP PREEMPT Wed Mar 13 15:23:35 CET 2024 aarch64 IIO context has 2 attributes: local,kernel: 6.1.74-v8+ uri: local: IIO context has 4 devices: hwmon0: cpu_thermal 1 channels found: temp1: (input) 2 channel-specific attributes found: attr 0: crit value: 110000 attr 1: input value: 45277 No trigger on this device hwmon1: rpi_volt 1 channels found: in0: (input) 1 channel-specific attributes found: attr 0: lcrit_alarm value: 0 No trigger on this device iio:device0: adis16475-2 (buffer capable) 8 channels found: anglvel_x: (input, index: 0, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: 119056 attr 2: scale value: 0.000000006 anglvel_y: (input, index: 1, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: -402139 attr 2: scale value: 0.000000006 anglvel_z: (input, index: 2, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: 270085 attr 2: scale value: 0.000000006 accel_x: (input, index: 3, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: 648069 attr 2: scale value: 0.000000037 accel_y: (input, index: 4, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: -1538946 attr 2: scale value: 0.000000037 accel_z: (input, index: 5, format: be:S32/32>>0) 3 channel-specific attributes found: attr 0: calibbias value: 0 attr 1: raw value: 262572835 attr 2: scale value: 0.000000037 temp0: (input, index: 6, format: be:S16/16>>0) 2 channel-specific attributes found: attr 0: raw value: 262 attr 1: scale value: 100 timestamp: (input, index: 7, format: le:S64/64>>0) 4 device-specific attributes found: attr 0: current_timestamp_clock value: realtime attr 1: filter_low_pass_3db_frequency value: 720 attr 2: sampling_frequency value: 10.000000 attr 3: waiting_for_supplier value: 0 2 buffer-specific attributes found: attr 0: data_available value: 0 attr 1: direction value: in 6 debug attributes found: debug attr 0: firmware_date ERROR: Permission denied (13) debug attr 1: firmware_revision ERROR: Permission denied (13) debug attr 2: flash_count ERROR: Permission denied (13) debug attr 3: product_id ERROR: Permission denied (13) debug attr 4: serial_number ERROR: Permission denied (13) debug attr 5: direct_reg_access value: 0x0 ERROR: checking for trigger : Input/output error (5) trigger0: adis16475-2-dev0 0 channels found: No trigger on this device
and also `$cat /proc/interrupts` shows no interrupt happening:
39: 0 0 0 0 pinctrl-bcm2835 24 Edge adis16475-2
I'm not sure where to look further to fix this problem, so any help would be greatly appreciated!
