DLP-245PB-G Просмотр технического описания (PDF) - Unspecified

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DLP-245PB-G

USB / Microcontroller Module (Lead-Free)

Unspecified 

TOKEN I/O COMMAND SET

0xA5 – Line In – Reads the state of a single port pin

Parameters:

Returns:

Function:

Example:

Port – Select from available port pins (PIN_A3, PIN_B0, etc)

1 Byte: State of the port pin (0 or 1)

This function will read the state of a single port pin. If the data direction for the

pin selected was set to output, the direction is first set to input.

0x2, 0xA5, 0x2B, 0x8C - Reads the current state of port pin PIN_A3.

0xA6 – Line Out - Sets a single port pin high or low

Parameters:

Returns:

Function:

Example:

Port – Select from available port pins (PIN_A3, PIN_B3, etc)

State – 0 or 1

Undefined

This function will change the output state of a single port pin. If the data direction

for the pin selected was set to input, the direction is first set to output.

0x3, 0xA6, 0x2B, 0x1, 0x8F – Sets port pin PIN_A3 high.

0xA7 – Return Board ID

Parameters:

Returns:

Function:

Example:

None

5 bytes: “245PB”

This function will return the ID of the board currently opened.

0x1, 0xA7, A6 – Reads the board ID.

0xA8 – Setup A/D

Parameters:

Returns:

Function:

Example:

Port Configuration – Selects analog port configuration. (See command 0xA8 in

the example firmware for options.)

A/D Conversion Clock – Select the source for the A/D conversion clock. (See

command 0xA8 in the example firmware for options.)

Undefined

This function will select the source for the A/D conversion clock. (Refer to the

datasheet for the 16F877A for a detailed explanation of the conversion clock.)

0x3, 0xA8, 0x0, 0x7, 0xAC – Sets all available A/D inputs on the DLP-245PB-G

to analog mode (0x0) and selects the internal A/D clock (0x7).

V2.3

Page 8 of 15

February 2007

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