Zilog ZUSBOPTS Bedienungsanleitung PDF herunterladen (Seite 20)

UM025603-0814 Demonstrate the ZED Test Shield

Zilog Educational Shields

User Manual

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.

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Zilog ZUSBOPTS Bedienungsanleitung Seite 20