Created
May 12, 2022 14:55
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| #!/bin/bash -ex | |
| _gpio="${1}" | |
| _direction="${2:-out}" | |
| if [[ ! -d /sys/class/gpio/gpio"${_gpio}" ]]; then | |
| echo "${_gpio}" >/sys/class/gpio/export | |
| fi | |
| echo "${_direction}" >/sys/class/gpio/gpio"${_gpio}"/direction | |
| echo "0" >/sys/class/gpio/gpio"${_gpio}"/value | |
| sleep 4 | |
| echo "1" >/sys/class/gpio/gpio"${_gpio}"/value | |
| echo "${_gpio}" >/sys/class/gpio/unexport |
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(4/out for SIM868 thingies)