module utils¶
- robot_hat.utils.set_volume(value)¶
Set volume
- Parameters
value (int) – volume(0~100)
- robot_hat.utils.run_command(cmd)¶
Run command and return status and output
- Parameters
cmd (str) – command to run
- Returns
status, output
- Return type
tuple
- robot_hat.utils.is_installed(cmd)¶
Check if command is installed
- Parameters
cmd (str) – command to check
- Returns
True if installed
- Return type
bool
- robot_hat.utils.mapping(x, in_min, in_max, out_min, out_max)¶
Map value from one range to another range
- Parameters
x (float/int) – value to map
in_min (float/int) – input minimum
in_max (float/int) – input maximum
out_min (float/int) – output minimum
out_max (float/int) – output maximum
- Returns
mapped value
- Return type
float/int
- robot_hat.utils.get_ip(ifaces=['wlan0', 'eth0'])¶
Get IP address
- Parameters
ifaces (list) – interfaces to check
- Returns
IP address or False if not found
- Return type
str/False
- robot_hat.utils.reset_mcu()¶
Reset mcu on Robot Hat.
This is helpful if the mcu somehow stuck in a I2C data transfer loop, and Raspberry Pi getting IOError while Reading ADC, manipulating PWM, etc.
- robot_hat.utils.get_battery_voltage()¶
Get battery voltage
- Returns
battery voltage(V)
- Return type
float