Difference between revisions of "Unit PL2303"

From Ultibo.org
Jump to: navigation, search
Line 89: Line 89:
 
! '''Note'''
 
! '''Note'''
 
| None documented
 
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 +
'''PL2303 USB functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function PL2303DriverBind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Bind the PL2303 driver to a USB device if it is suitable</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Device'''
 +
| The USB device to attempt to bind to
 +
|-
 +
! '''Interrface'''
 +
| The USB interface to attempt to bind to (or nil for whole device)
 +
|-
 +
! '''Return'''
 +
| USB_STATUS_SUCCESS if completed, USB_STATUS_DEVICE_UNSUPPORTED if unsupported or another error code on failure
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function PL2303DriverUnbind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Unbind the PL2303 driver from a USB device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Device'''
 +
| The USB device to unbind from
 +
|-
 +
! '''Interrface'''
 +
| The USB interface to unbind from (or nil for whole device)
 +
|-
 +
! '''Return'''
 +
| USB_STATUS_SUCCESS if completed or another error code on failure
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303ReceiveWorker(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called (by a Worker thread) to process a completed USB request from the PL2303 bulk IN endpoint</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303ReceiveComplete(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called when a USB request from the PL2303 bulk IN endpoint completes</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
! '''Note'''
 +
| Request is passed to worker thread for processing to prevent blocking the USB completion
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303TransmitStart(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called to continue transmission of data from the transmit buffer</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB transmit request to use
 +
|-
 +
! '''Note'''
 +
| Caller must hold the lock on the serial device
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303TransmitWorker(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called (by a Worker thread) to process a completed USB request to the PL2303 bulk OUT endpoint</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303TransmitComplete(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called when a USB request to the PL2303 bulk OUT endpoint completes</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
! '''Note'''
 +
| Request is passed to worker thread for processing to prevent blocking the USB completion
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303InterruptWorker(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called (by a Worker thread) to process a completed USB request to the PL2303 interrupt IN endpoint</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure PL2303InterruptComplete(Request:PUSBRequest);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Called when a USB request from the PL2303 interrupt IN endpoint completes</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Request'''
 +
| The USB request which has completed
 +
|-
 +
! '''Note'''
 +
| Request is passed to worker thread for processing to prevent blocking the USB completion
 
|-
 
|-
 
|}
 
|}

Revision as of 01:21, 14 October 2016

Return to Unit Reference


Description

The Prolific PL2303 is a USB to serial interface chip used by multiple vendors.

It includes a single serial port with bulk IN and OUT plus interrupt IN endpoints.

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure PL2303Init;
Description: To be documented
Note None documented


PL2303 serial functions 

function PL2303SerialDeviceOpen(Serial:PSerialDevice; BaudRate,DataBits,StopBits,Parity,FlowControl,ReceiveDepth,TransmitDepth:LongWord):LongWord;
Description: To be documented
Note None documented 


function PL2303SerialDeviceClose(Serial:PSerialDevice):LongWord;
Description: To be documented
Note None documented 


function PL2303SerialDeviceRead(Serial:PSerialDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;
Description: To be documented
Note None documented 


function PL2303SerialDeviceWrite(Serial:PSerialDevice; Buffer:Pointer; Size,Flags:LongWord; var Count:LongWord):LongWord;
Description: To be documented
Note None documented


PL2303 USB functions 

function PL2303DriverBind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;
Description: Bind the PL2303 driver to a USB device if it is suitable
Device The USB device to attempt to bind to
Interrface The USB interface to attempt to bind to (or nil for whole device)
Return USB_STATUS_SUCCESS if completed, USB_STATUS_DEVICE_UNSUPPORTED if unsupported or another error code on failure 


function PL2303DriverUnbind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;
Description: Unbind the PL2303 driver from a USB device
Device The USB device to unbind from
Interrface The USB interface to unbind from (or nil for whole device)
Return USB_STATUS_SUCCESS if completed or another error code on failure 


procedure PL2303ReceiveWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request from the PL2303 bulk IN endpoint
Request The USB request which has completed 


procedure PL2303ReceiveComplete(Request:PUSBRequest);
Description: Called when a USB request from the PL2303 bulk IN endpoint completes
Request The USB request which has completed
Note Request is passed to worker thread for processing to prevent blocking the USB completion 


procedure PL2303TransmitStart(Request:PUSBRequest);
Description: Called to continue transmission of data from the transmit buffer
Request The USB transmit request to use
Note Caller must hold the lock on the serial device 


procedure PL2303TransmitWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request to the PL2303 bulk OUT endpoint
Request The USB request which has completed 


procedure PL2303TransmitComplete(Request:PUSBRequest);
Description: Called when a USB request to the PL2303 bulk OUT endpoint completes
Request The USB request which has completed
Note Request is passed to worker thread for processing to prevent blocking the USB completion 


procedure PL2303InterruptWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request to the PL2303 interrupt IN endpoint
Request The USB request which has completed 


procedure PL2303InterruptComplete(Request:PUSBRequest);
Description: Called when a USB request from the PL2303 interrupt IN endpoint completes
Request The USB request which has completed
Note Request is passed to worker thread for processing to prevent blocking the USB completion


Return to Unit Reference

Retrieved from "https://ultibo.org/mediawiki_ultibo_org/index.php?title=Unit_PL2303&oldid=1285"