Zilog ZUSBOPTS - Manual (Page 20)

UM025603-0814 Demonstrate the ZED Test Shield
Zilog Educational Shields
User Manual
13
2. The ZED Test Shield offers two menu commands, ? and help , with which you can
view a comprehensive list of available Test Shield shell commands. At the ZEDulab>
prompt, enter ? or help to see these commands, as shown in Figure 12.
To view a list of parameters for each command, enter a command followed by the ? sym-
bol. Table 1 describes all of the ZED Test Shield’s shell commands shown in Figure 12.
Figure 12. ZED Test Shield Command List
Table 1. ZED Test Shield Commands
Command Description
? Lists all of the available commands.
Help Lists all of the available Help commands.
Display Displays a command's function; parameters and syntax information; displays a string on
the LCD; temporarily turns off any monitoring; displays the first parameter on line 1 and
the second parameter on line 2. Syntax: displays “Hello World”.
Echo Turn echo keystrokes to the console on or off. Syntax: echo on/off.
Getpins Sets the pin(s) to input. Retrieves the pin(’s) values for specified port(s). Syntax: getpins
PX [HexNumber] , in which Hex Number is the value specifying the pins to get; defaults to
all pins.
Setpins Sets pin(s) to output and sets the pin(’s) values for a specified port. Syntax: setpins PX
[HexNumber] ON|OFF, in which Hex Number is the value specifying the pins to set.
getadc Sets the port to alternative function then reads the ADC value from requested ADC 0–11.
Syntax: getadc xx, in which xx is the ADC number 0–11.