diff options
Diffstat (limited to 'test-cli/test/helpers/gpio.py')
| -rw-r--r-- | test-cli/test/helpers/gpio.py | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test-cli/test/helpers/gpio.py b/test-cli/test/helpers/gpio.py new file mode 100644 index 0000000..f127f2b --- /dev/null +++ b/test-cli/test/helpers/gpio.py @@ -0,0 +1,55 @@ +import os + +class gpio (object): + gpioNum = None + + def __init__(self, gpioNum, dir, val): + self.gpioNum = gpioNum + self.__export(gpioNum) + self.__set_dir(gpioNum, dir) + if dir == 'out': + self.__set_value(gpioNum, val) + + def set_val(self, value): + self.__set_value( self.gpioNum, value) + + + def __export(self, gpio_number): + if not os.path.isfile("/sys/class/gpio/gpio{}/value".format(gpio_number)): + try: + f = open("/sys/class/gpio/export", "w", newline="\n") + f.write(str(gpio_number)) + f.close() + except IOError: + return False, '{}'.format(IOError.errno) + return True + + def __unexport(self, gpio_number): + if os.path.isfile("/sys/class/gpio/gpio{}/value".format(gpio_number)): + try: + f = open("/sys/class/gpio/unexport", "w", newline="\n") + f.write(str(gpio_number)) + f.close() + except IOError: + return False, '{}'.format(IOError.errno) + return True + + def __set_dir(self, gpio_number, dir): + try: + f = open("/sys/class/gpio/gpio{}/direction".format(gpio_number), "r+", newline="\n") + val = f.readline() + if val != dir: + f.write(dir) + f.close() + except IOError: + return False, '{}'.format(IOError.errno) + return True + + def __set_value(self, gpio_number, value): + try: + f = open("/sys/class/gpio/gpio{}/value".format(gpio_number), "w", newline="\n") + f.write(str(value)) + f.close() + except IOError: + return False, '{}'.format(IOError.errno) + return True
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