Shell commands, Table 2 – Zilog ZUSBOPTS User Manual
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Shell Commands
Zilog Educational Platform
User Manual
15
Shell Commands
Table 2 lists the ten standard Shell commands for controlling the Zilog Educational Plat-
form. These commands are described in greater detail in the
Example 1.
To view a command’s parameters, enter the command, followed by the
?
character, as shown in the following example:
Setpins ?
The console will display the following response:
Sets the pin(s) to output and sets the pin(s) values for a
specified port.
Syntax: setpins PX HexNumber ON|OFF (Hex number is the value
Table 2. Shell Commands
Command
Description
?
Lists all available commands.
Help
Lists all available commands.
Display
Displays a string on the LCD panel. Turns off any monitoring, displays the first param-
eter on line 1, and displays the second parameter on line 2.
Echo
Turns Echo Keystrokes to the console ON or OFF. Syntax: echo on|off
Getpins
Sets the pin(s) to INPUT and retrieves the pin values for a specified port.
Syntax: getpins PX HexNumber, in which HexNumber is the value specifying the pins
to get; defaults to ALL.
Setpins
Sets the pin(s) to OUPUT and sets the pin values for a specified port. Syntax: setpins
PX HexNumber ON|OFF, in which HexNumber is the value specifying the pins to set.
Getadc
Sets the port to alternative function, then reads the ADC value from the requested
ADC 0–11. Syntax: getadc xx, in which xx is an ADC number from 0 to 11.
Confpwm
Configures the PWM cycle period from 1–20 kHz. The absence of a parameter will
result in a display of the current setting. Syntax: confpwm 2
Setpwmduty
Configures the PWM channel’s duty cycle, from 1 to 100. The absence of a duty
parameter will result in a display of the current selected PWM setting.
Syntax: setpwmduty xx [DD], in which xx is the PWM number from 1 to 6, and DD is
the duty cycle, from 0 to 100.
Startshield
Starts a shield that is plugged into the Platform. Use the List parameter to view the list
of shields. Syntax: startshield xxxx, in which xxxx is the shield name, or list to view all
available shields.