_s_p_i__driver_8h.tex

基于freescale MC9S12XF512 MCU

\section{SPI\_\-driver.h File Reference}
\label{_s_p_i__driver_8h}\index{SPI_driver.h@{SPI\_\-driver.h}}
Copyright (c) 2007 Freescale Semiconductor Freescale Confidential Proprietary

Function prototypes for SPI port basic tasks. 

\subsection*{Functions}
\begin{CompactItemize}
\item 
void {\bf vfn\-SPI\_\-Init} (void)
\begin{CompactList}\small\item\em SPI module initializing in Master mode @ 2.5MHz. \item\end{CompactList}\item 
void {\bf vfn\-SPI\_\-Send\_\-Byte} (UINT8 u8Data\-Byte)
\begin{CompactList}\small\item\em Byte transmission. \item\end{CompactList}\item 
void {\bf vfn\-SPI\_\-Send\_\-Frame} (UINT8 $\ast$pa\-Data\-Pointer, UINT16 u16Size)
\begin{CompactList}\small\item\em Frame transmission. \item\end{CompactList}\item 
UINT8 {\bf u8SPI\_\-Receive\_\-Byte} (void)
\begin{CompactList}\small\item\em Byte reception. \item\end{CompactList}\end{CompactItemize}


\subsection{Detailed Description}
Copyright (c) 2007 Freescale Semiconductor Freescale Confidential Proprietary

Function prototypes for SPI port basic tasks. 

\begin{Desc}
\item[Author:]Freescale Semiconductor 

Guadalajara Applications Laboratory RTAC Americas 

Jaime Orozco \end{Desc}
\begin{Desc}
\item[Version:]1.0 \end{Desc}
\begin{Desc}
\item[Date:]Feb/16/2007 \end{Desc}


\subsection{Function Documentation}
\index{SPI_driver.h@{SPI\_\-driver.h}!u8SPI_Receive_Byte@{u8SPI\_\-Receive\_\-Byte}}
\index{u8SPI_Receive_Byte@{u8SPI\_\-Receive\_\-Byte}!SPI_driver.h@{SPI\_\-driver.h}}
\subsubsection{\setlength{\rightskip}{0pt plus 5cm}UINT8 u8SPI\_\-Receive\_\-Byte (void)}\label{_s_p_i__driver_8h_a3}


Byte reception. 

\begin{Desc}
\item[Author:]Jaime Orozco \end{Desc}
\begin{Desc}
\item[Parameters:]
\begin{description}
\item[{\em void}]\end{description}
\end{Desc}
\begin{Desc}
\item[Returns:]Byte received through SPI channel \end{Desc}
\index{SPI_driver.h@{SPI\_\-driver.h}!vfnSPI_Init@{vfnSPI\_\-Init}}
\index{vfnSPI_Init@{vfnSPI\_\-Init}!SPI_driver.h@{SPI\_\-driver.h}}
\subsubsection{\setlength{\rightskip}{0pt plus 5cm}void vfn\-SPI\_\-Init (void)}\label{_s_p_i__driver_8h_a0}


SPI module initializing in Master mode @ 2.5MHz. 

\begin{Desc}
\item[Author:]Jaime Orozco \end{Desc}
\begin{Desc}
\item[Parameters:]
\begin{description}
\item[{\em void}]\end{description}
\end{Desc}
\begin{Desc}
\item[Returns:]void \end{Desc}
\index{SPI_driver.h@{SPI\_\-driver.h}!vfnSPI_Send_Byte@{vfnSPI\_\-Send\_\-Byte}}
\index{vfnSPI_Send_Byte@{vfnSPI\_\-Send\_\-Byte}!SPI_driver.h@{SPI\_\-driver.h}}
\subsubsection{\setlength{\rightskip}{0pt plus 5cm}void vfn\-SPI\_\-Send\_\-Byte (UINT8 {\em u8Data\-Byte})}\label{_s_p_i__driver_8h_a1}


Byte transmission. 

\begin{Desc}
\item[Author:]Jaime Orozco \end{Desc}
\begin{Desc}
\item[Parameters:]
\begin{description}
\item[{\em u8Data\-Byte,:}]Byte to be sent \end{description}
\end{Desc}
\begin{Desc}
\item[Returns:]void \end{Desc}
\index{SPI_driver.h@{SPI\_\-driver.h}!vfnSPI_Send_Frame@{vfnSPI\_\-Send\_\-Frame}}
\index{vfnSPI_Send_Frame@{vfnSPI\_\-Send\_\-Frame}!SPI_driver.h@{SPI\_\-driver.h}}
\subsubsection{\setlength{\rightskip}{0pt plus 5cm}void vfn\-SPI\_\-Send\_\-Frame (UINT8 $\ast$ {\em pa\-Data\-Pointer}, UINT16 {\em u16Size})}\label{_s_p_i__driver_8h_a2}


Frame transmission. 

\begin{Desc}
\item[Author:]Jaime Orozco \end{Desc}
\begin{Desc}
\item[Parameters:]
\begin{description}
\item[{\em $\ast$pa\-Data\-Pointer,:}]Pointer to the data array to be transmited,\par
 u16Size: Number of bytes to be sent \end{description}
\end{Desc}
\begin{Desc}
\item[Returns:]void \end{Desc}