The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
MDOOTSON / HiPi-0.32 / mylib / auto / share / dist / HiPi / help / en / mod_util_constant.htm 


<HTML>
<head>
 <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
 <title>HiPi::Constant</title></head>

<BODY TOPMARGIN=4 BGCOLOR=#FFFFFF TEXT=#000000 VLINK=#0000CC LINK=#0000CC ALINK=#0000CC>
<FONT FACE="Arial, Lucida, Helvetica" >

<TABLE WIDTH="100%" ALIGN=CENTER CELLPADDING=1 CELLSPACING=0>
<TR>
<TD WIDTH="100%" ALIGN=CENTER>


<A HREF="contents.htm"><img align=center src="home.png" BORDER=0 ALT="Contents"></A>


<A HREF="mod_util.htm"><img align=center src="up.png" BORDER=0 ALT="Up"></A>

<A HREF="mod_util_raspberrypi.htm"><img align=center src="back.png" BORDER=0 ALT="Previous"></A>

<A HREF="mod_util_lang.htm"><img align=center src="forward.png" BORDER=0 ALT="Next"></A>
</TD>
</TR>
<TR>
<TD COLSPAN=2 HEIGHT=2 BGCOLOR="#C0C0C0">
</TD>
</TR>
</TABLE>

<H2>HiPi::Constant</H2><p>This module exports useful constants to make your code easier to create and maintain.<p>
<p>Constants can be imported using</p>
<p><code>use HiPi::Constant qw( :<I>tagname</I> :<I>tagname2</I> :<I>tagname3</I> );</code> </p>
<pre>

tag :raspberry

    # for setting pin levels

    RPI_HIGH 
    RPI_LOW 

    # set to 1 or 2  according to
    # 1 for Model B Revision 1 boards
    # 2 for anything else

    RPI_BOARD_REVISION

    # GPIO Pad pin numbers for passing anywhere a function
    # or method expects a BCM GPIO Pin identifier
    # See: <A HREF="topic_gpiopins.htm">Raspberry Pi Pin Layout</A>

    RPI_PAD1_PIN_3 
    RPI_PAD1_PIN_5 
    RPI_PAD1_PIN_7 
    RPI_PAD1_PIN_8 
    RPI_PAD1_PIN_10 
    RPI_PAD1_PIN_11 
    RPI_PAD1_PIN_12
    RPI_PAD1_PIN_13
    RPI_PAD1_PIN_15
    RPI_PAD1_PIN_16
    RPI_PAD1_PIN_18
    RPI_PAD1_PIN_19
    RPI_PAD1_PIN_21 
    RPI_PAD1_PIN_22
    RPI_PAD1_PIN_23
    RPI_PAD1_PIN_24 
    RPI_PAD1_PIN_26

    RPI_PAD5_PIN_3 
    RPI_PAD5_PIN_4 
    RPI_PAD5_PIN_5 
    RPI_PAD5_PIN_6

    # mask values for use with classes derived from
    # HiPi::Pin
    
    RPI_INT_NONE
    RPI_INT_FALL 
    RPI_INT_RISE
    RPI_INT_BOTH
    RPI_INT_AFALL
    RPI_INT_ARISE 
    RPI_INT_HIGH
    RPI_INT_LOW

    # function values for use with classes derived from
    # HiPi::Pin
    
    RPI_PINMODE_INPT 
    RPI_PINMODE_OUTP
    RPI_PINMODE_ALT0
    RPI_PINMODE_ALT1
    RPI_PINMODE_ALT2
    RPI_PINMODE_ALT3
    RPI_PINMODE_ALT4
    RPI_PINMODE_ALT5

    # Pull Up / Down setting

    RPI_PUD_NULL
    RPI_PUD_OFF
    RPI_PUD_DOWN
    RPI_PUD_UP

tag :i2c

    # GPIO pin identifiers using i2c pin names

    I2C0_SDA 
    I2C0_SCL
    I2C1_SDA
    I2C1_SCL

tag :serial
    
    # GPIO pin identifiers using UART names
    
    UART0_TXD 
    UART0_RXD 
    UART0_RTS 
    UART0_CTS
    UART1_TXD
    UART1_RXD 
    UART1_RTS
    UART1_CTS

tag :spi
    
    # GPIO pin identifiers using SPI names
    
    SPI0_MOSI 
    SPI0_MISO 
    SPI0_CLK 
    SPI0_CE0_N
    SPI0_CE1_N

tag :gpclock

    # GPIO pin identifiers using gpclock pin names.
   
    GPCLK0 
    GPCLK1

tag :pwm

    # GPIO pin identifiers using PWM pin name.
     
    PWM0

</pre></FONT>
<br>
<p>
<br>
<hr>
<br>
<center>
<A HREF="contents.htm"><img align=center src="home.png" BORDER=0 ALT="Contents"></A>


<A HREF="mod_util.htm"><img align=center src="up.png" BORDER=0 ALT="Up"></A>

<A HREF="mod_util_raspberrypi.htm"><img align=center src="back.png" BORDER=0 ALT="Previous"></A>

<A HREF="mod_util_lang.htm"><img align=center src="forward.png" BORDER=0 ALT="Next"></A>
</center>

<HR>
<br>
<center><FONT FACE="Arial, Lucida, Helvetica" size="2" color="#000080">HiPi Modules Copyright &#169; 2013 Mark Dootson</font></center>
</BODY></HTML>