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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML><HEAD> <META NAME="GENERATOR" CONTENT="langdoc 1.0.1"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <TITLE> mmc </TITLE> </HEAD> <BODY> <TABLE BORDER="1" WIDTH="100%" CELLPADDING="6"> <TR> <TD ALIGN=CENTER VALIGN=MIDDLE BGCOLOR=BLUE> <H1> <FONT COLOR="#FFFFFF"> mmc </FONT> </H1> </TD> </TR> </TABLE><P ALIGN=RIGHT> <I> Copyright (c) 2003</I> </P><H2> Library Usage </H2><H3> Package Description </H3><H3> Package Summary </H3><H4> Constants </H4><PRE></PRE><H4> Global Variables </H4><PRE></PRE><H4> Macros </H4><PRE></PRE><H4> Functions </H4><PRE><A HREF="#mmc_check_response">mmc_check_response</A> <A HREF="#mmc_read_response">mmc_read_response</A> <A HREF="#mmc_send_cmd">mmc_send_cmd</A> <A HREF="#mmc_send_scmd">mmc_send_scmd</A> <A HREF="#mmc_set_prio">mmc_set_prio</A> </PRE><H3> Files List </H3><UL><LI><B><A NAME="mmc_drv.c"></A> mmc_drv.c</B><BR></LI><UL>This file contains the MMC driver routines NOTES: Driver Configuration: - None Global Variables: - None</UL><LI><B><A NAME="mmc_drv.h"></A> mmc_drv.h</B><BR></LI><UL>This file contains the MMC driver definitions</UL></UL><H3> Included Files </H3><UL><LI><B>config.h" / * system configuration * / </B><BR></LI><LI><B>mmc_drv.h" / * mmc driver definition * / </B><BR></LI></UL><H2> Constant Macros </H2><H2> Global Variables </H2><H2> Function Macros </H2><H2> Functions </H2><A NAME="mmc_check_response"></A><H3> mmc_check_response </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>bit <A HREF="#mmc_check_response">mmc_check_response</A> ( void ) </PRE></TD></TABLE><P>Check command response<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return: MMC_ERR_RESP: no response or bad format received MMC_RESP_OK: response received</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR><A NAME="mmc_read_response"></A><H3> mmc_read_response </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>Uint32 <A HREF="#mmc_read_response">mmc_read_response</A> ( void ) </PRE></TD></TABLE><P>Read command argument response<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return: 4-byte argument of the response</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR><A NAME="mmc_send_cmd"></A><H3> mmc_send_cmd </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#mmc_send_cmd">mmc_send_cmd</A> ( Byte index , Uint32 argument , Byte response ) </PRE></TD></TABLE><P>Send a command on the bus<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE> index: command index argument: argument (32 bits) of the command to send response: expected response to the command to send*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><H4> Note </H4><P>The fifo lock flag is not tested it is under firmware responsability totake care of inter-command delays<HR><A NAME="mmc_send_scmd"></A><H3> mmc_send_scmd </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#mmc_send_scmd">mmc_send_scmd</A> ( Byte index , Byte response ) </PRE></TD></TABLE><P>Send a short command on the bus<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE> index: command index response: expected response to the command to send*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><H4> Note </H4><P>The fifo lock flag is not tested it is under firmware responsability totake care of inter-command delays<HR><A NAME="mmc_set_prio"></A><H3> mmc_set_prio </H3><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#D6E8FF" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>void <A HREF="#mmc_set_prio">mmc_set_prio</A> ( Byte priority ) </PRE></TD></TABLE><P>Set the MMC controller priority interrupt<P><TABLE BORDER="0" WIDTH="100 %" BGCOLOR="#FFD0D0" CELLPADDING="6"><TR> <TD VALIGN=MIDDLE><PRE>*return:</PRE></TD></TABLE><P><TABLE BORDER="1" WIDTH="75 %" BGCOLOR="white" CELLPADDING="6"><TR> <TD>ram/xram</TD> <TD></TD><TR> <TD>cycle</TD> <TD></TD><TR> <TD>stack</TD> <TD></TD><TR> <TD>code</TD> <TD></TD></TABLE><HR></BODY></HTML>⌨️ 快捷键说明
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