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feat: added testing scripts (wip)
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‎testing/README.md‎

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# TODO
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Try the different testing scripts and integrate them into an end-to-end testing setup.

‎testing/bin/ads1015-setup.sh‎

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#!/bin/bash
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# vim: nowrap ts=4
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# Sysfs setup for ADS1015 ADC
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ADC_PATH=/sys/bus/i2c/devices/5-0049/iio:device1
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function ads1015_init () {
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# Tell the kernel where our ADC is
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echo ads1015 0x49 | sudo tee /sys/bus/i2c/devices/i2c-5/new_device > /dev/null
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# To remove the driver from the kernel, echo the address to delete_device
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# echo 0x49 | sudo tee /sys/bus/i2c/devices/i2c-5/delete_device > /dev/null
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# The ADC can now be found under the Industrial I/O (iio) at the following path,
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# look there for all the options (sampling_frequency_available, scale_available, input configurations)
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# The lowest sample freq gives the best accuracy, but is slower. That doesn't matter here because we don't read continously.
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# scale_available: 0.125000000 0.250000000 0.500000000 1.000000000 2.000000000 3.000000000
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# sampling_frequency_available=128 250 490 920 1600 2400 3300 3300
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# ADC_PATH=/sys/bus/i2c/devices/5-0049/iio:device1
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# Setup the ADC.
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# The internal reference voltage is 2.048V, and the resolution is 12-bit for differential inputs,
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# but we're using them in single-ended mode (one input is ground) so we'll get 11-bit resolution.
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# By selecting a scale of 2, the input range is 4.096V but the actual voltage may not exceed 3.3V, the ADC's supply voltage.
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#
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# CH0 is the potentiometer next to the telemetry module
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# CH0 range: 0 .. 3.3V
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# CH1 is the potentiometer next to the I2C connectors
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# CH2 is the battery voltage divided by 10
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# CH3 is the external voltage on the white connector between the potentiometers
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#
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# In the end, the raw ADC values are available in in_voltage{0.3}_raw. These have to be calculated to voltages, see below.
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# Set scale for potentiometers, CH0 and CH1
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echo 2 | sudo tee $ADC_PATH/in_voltage0_scale > /dev/null
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echo 2 | sudo tee $ADC_PATH/in_voltage1_scale > /dev/null
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# Set scale for VBat/10 (2.048V range is ok here), CH2
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echo 1 | sudo tee $ADC_PATH/in_voltage2_scale > /dev/null
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# Set scale for Vext, CH3 (set to scale 2 since we expect the input to be 0 .. 3.3V)
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echo 2 | sudo tee $ADC_PATH/in_voltage3_scale > /dev/null
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# Optionally set the sample frequency
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echo 1600 | sudo tee $ADC_PATH/in_voltage0_sampling_frequency > /dev/null
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echo 1600 | sudo tee $ADC_PATH/in_voltage1_sampling_frequency > /dev/null
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echo 1600 | sudo tee $ADC_PATH/in_voltage2_sampling_frequency > /dev/null
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echo 1600 | sudo tee $ADC_PATH/in_voltage3_sampling_frequency > /dev/null
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# Apparently the ADC or the kernel needs some time to set itself up.
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sleep 1
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}
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function ads1015_delete () {
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echo 0x49 | sudo tee /sys/bus/i2c/devices/i2c-5/delete_device > /dev/null
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}
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function ads1015_get_settings () {
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# Read back the settings for verification
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raw0=$(cat $ADC_PATH/in_voltage0_raw)
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raw1=$(cat $ADC_PATH/in_voltage1_raw)
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raw2=$(cat $ADC_PATH/in_voltage2_raw)
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raw3=$(cat $ADC_PATH/in_voltage3_raw)
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echo "CH0: scale=$(cat $ADC_PATH/in_voltage0_scale), sampling_frequency=$(cat $ADC_PATH/in_voltage0_sampling_frequency), raw=$raw0"
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echo "CH1: scale=$(cat $ADC_PATH/in_voltage1_scale), sampling_frequency=$(cat $ADC_PATH/in_voltage1_sampling_frequency), raw=$raw1"
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echo "CH2: scale=$(cat $ADC_PATH/in_voltage2_scale), sampling_frequency=$(cat $ADC_PATH/in_voltage2_sampling_frequency), raw=$raw2"
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echo "CH3: scale=$(cat $ADC_PATH/in_voltage3_scale), sampling_frequency=$(cat $ADC_PATH/in_voltage3_sampling_frequency), raw=$raw3"
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}
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function ads1015_get_voltages () {
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# To calculate the voltages from the raw value, use the following formula:
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# Vchn = raw * Vref/2^(12-1) * scale
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# In bash, using bc as our calculator this would look like this: (scale=3 is bc's precision and not our ADC scale).
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raw0=$(cat $ADC_PATH/in_voltage0_raw)
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raw1=$(cat $ADC_PATH/in_voltage1_raw)
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raw2=$(cat $ADC_PATH/in_voltage2_raw)
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raw3=$(cat $ADC_PATH/in_voltage3_raw)
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read volt0 <<< "$(bc <<< "scale=3; $raw0 * 2.048/(2^(12-1)) * 2")"
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read volt1 <<< "$(bc <<< "scale=3; $raw1 * 2.048/(2^(12-1)) * 2")"
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read volt2 <<< "$(bc <<< "scale=3; $raw2 * 2.048/(2^(12-1)) * 1 * 10")" # note ADC scale=1 and x10 for Vbat
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read volt3 <<< "$(bc <<< "scale=3; $raw3 * 2.048/(2^(12-1)) * 2")"
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read percent0 <<< "$(bc <<< "scale=1; 4096/3300 * $raw0 / 2048 * 100")"
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read percent1 <<< "$(bc <<< "scale=1; 4096/3300 * $raw1 / 2048 * 100")"
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echo "CH0_volt="$(printf "%1.3f" $volt0)", CH0_percent=$percent0"
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echo "CH1_volt="$(printf "%1.3f" $volt1)", CH1_percent=$percent1"
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echo "CH2_volt=$volt2"
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echo "CH3_volt=$volt3"
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}
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# MAIN
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if [ "$1" == "init" ]; then
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ads1015_init
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ads1015_get_settings
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exit 0
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elif [ "$1" == "delete" ]; then
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ads1015_delete
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exit 0
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elif [ "$1" == "getsettings" ]; then
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ads1015_get_settings
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exit 0
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elif [ "$1" == "getvoltages" ]; then
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ads1015_get_voltages
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exit 0
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else
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echo "Usage: $0 init|delete|getsettings|getvoltages"
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exit 1
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fi
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‎testing/bin/ase2024-bootlogo.sh‎

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#!/bin/bash
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PATH=/home/debix/bin:$PATH
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oled-logo-set logo_clear
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sleep 1
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for i in logo_vukip logo_nxp logo_debix logo_duckcover logo_ase
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do
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oled-logo-set $i
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sleep 1
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done

‎testing/bin/ase_shutdown.sh‎

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#!/bin/bash
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# This script runs right before the system shuts down (reboot, poweroff, halt, kexec) if it's put into /usr/lib/systemd/system-shutdown
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# It's called with one argument: "halt", "poweroff", "reboot" or "kexec"
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PATH="/home/debix/bin:$PATH"
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if [ "$1" == "halt" ]; then
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oled-logo-set logo_noise
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oled-logo-set logo_powered_off
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fi
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if [ "$1" == "poweroff" ]; then
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oled-logo-set logo_noise
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oled-logo-set logo_powered_off
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fi
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if [ "$1" == "reboot" ]; then
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oled-logo-set logo_noise
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oled-logo-set logo_reboot
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fi
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if [ "$1" == "kexec" ]; then
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oled-logo-set logo_noise
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oled-logo-set logo_reboot
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fi
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‎testing/bin/ase_startup.sh‎

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#!/bin/bash
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# vim: ts=4
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PATH="/home/debix/bin:$PATH"
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function gpioset () {
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n="$1"
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dir="$2"
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val="$3"
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echo $n | sudo tee /sys/class/gpio/export > /dev/null
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echo $dir | sudo tee /sys/class/gpio/gpio$n/direction > /dev/null
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if [ ! -z "$val" ]; then
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echo $val | sudo tee /sys/class/gpio/gpio$n/value > /dev/null
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fi
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}
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# Configure CAN1/CAN2 pins for GPIO
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n=86
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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n=87
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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n=88
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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n=89
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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# Configure HC12 SET pin
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#hc12-setup.sh
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n=85
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 1 > /sys/class/gpio/gpio$n/value
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stty -F /dev/ttymxc2 speed 9600 raw
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# Switches and LEDs on GPIO
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n=3 # Blue LED
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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n=4 # Yellow LED
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echo $n > /sys/class/gpio/export
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echo out > /sys/class/gpio/gpio$n/direction
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echo 0 > /sys/class/gpio/gpio$n/value
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n=12 # Toggle switch
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echo $n > /sys/class/gpio/export
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echo in > /sys/class/gpio/gpio$n/direction
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n=13 # Pushbutton
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echo $n > /sys/class/gpio/export
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echo in > /sys/class/gpio/gpio$n/direction
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####
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#### # Switches and LEDs on MCP23017
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#### echo mcp23017 0x21 | sudo tee /sys/bus/i2c/devices/i2c-5/new_device > /dev/null
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#### #### # No exports yet here, gpiod (gpioset / gpioget) work fine
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pca9555_init.sh
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i2cset -y 5 0x21 0x02 0x01; sleep 0.05; i2cset -y 5 0x21 0x02 0x00
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i2cset -y 5 0x21 0x03 0xf0; sleep 1; i2cset -y 5 0x21 0x03 0x00

‎testing/bin/gpio_test.sh‎

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#!/bin/bash
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while true; do
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# Toggle switch and LED blue
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GPIO12=$(cat /sys/class/gpio/gpio12/value)
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echo $GPIO12 > /sys/class/gpio/gpio3/value
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# Pushbutton switch and LED yellow
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GPIO13=$(cat /sys/class/gpio/gpio13/value)
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echo $GPIO13 > /sys/class/gpio/gpio4/value
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echo
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echo SW_Toggle=$GPIO12, SW_PUSH=$GPIO13
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sleep 0.25
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done

‎testing/bin/hc12-setup.sh‎

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#!/bin/bash
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# Serial port
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PORT=/dev/ttymxc2
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# Channel number. 1..127 but >100 not recommended. Also see HC12 doc for channel spacing (5?)
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# So valid channels would be 1, 6, 11, 16, 21, 26, 31, 36, 41, 46, 51, 56, 61, 66, 71, 76, 81, 86, 91 and 96.
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CHANNEL=21
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# Communication baudrate
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BAUD=115200
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hc12_send () {
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echo "hc12_send(): $1"
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echo -n $1 > $PORT
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hc12_receive
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}
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hc12_receive () {
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read -t2 RESP < $PORT
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echo -n "hc12_receive(): "
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if [ -z "$RESP" ]; then
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echo no response
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else
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echo "$RESP"
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fi
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}
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# Setup GPIO pin for command mode (GPIO3_IO21 (85) according to debix-gpio but the schematic says GPIO1_IO21),
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# and enter HC12 command mode by setting the pin to 0
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hc12_set () {
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if [ ! -d /sys/class/gpio/gpio85 ]; then
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echo "hc12_set(): exporting pin 85"
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echo 85 > /sys/class/gpio/export
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else
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echo "hc12_set(): pin 85 already exported"
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fi
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echo out > /sys/class/gpio/gpio85/direction
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echo 0 > /sys/class/gpio/gpio85/value
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}
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hc12_unset () {
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echo 1 > /sys/class/gpio/gpio85/value
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echo 85 > /sys/class/gpio/unexport
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}
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# Enter HC12 command mode
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#debix-gpio GPIO3_IO21 out 0
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hc12_set
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# Set baudrate to 9600 (command mode is always 9600)
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stty -F $PORT raw speed 9600 > /dev/null
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# Show current settings
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hc12_send "AT+V" # Firmware version
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hc12_send "AT+RB" # Get baudrate
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hc12_send "AT+RC" # Get channel
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hc12_send "AT+RF" # Get transmission mode
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hc12_send "AT+RP" # Get transmission power level
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# Reset to default settings
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hc12_send "AT+DEFAULT"
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# Set baudrate
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hc12_send "AT+B$BAUD"
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# Set channel
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HC12_CH=`printf "%03i" $CHANNEL` # Format channel number
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hc12_send "AT+C$HC12_CH"
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# Set transmission mode
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hc12_send "AT+FU3"
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# Set transmitting power level (8=max, 20dBm)
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hc12_send "AT+P8"
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# Show new settings
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hc12_send "AT+RX"
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# Exit HC12 command mode
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#debix-gpio GPIO3_IO21 out 1
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hc12_unset
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# Set baudrate to specified communication speed
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stty -F $PORT raw speed $BAUD > /dev/null
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‎testing/bin/iio_event_monitor‎

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‎testing/bin/iio_generic_buffer‎

93.4 KB
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‎testing/bin/lsiio‎

66.5 KB
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