openspi1.c

Microchip的官方PIC24H系列16位单片机的外设源程序库。

#include <p30fxxxx.h>
#include <spi.h>

/********************************************************************************
*   Function Name :  OpenSPI1                                                   *
*   Description   :  This functionin Initializes the SPI module and Also enables*
                     SPI module 
*   Parameters    :  unsigned int config1,unsigned int config2                  *
*   Return Value  :  None                                                       *
*   Note:            Config1 contains information about framed SPI support,     *
                     frame sync pulse,Disable SDO pin, Word/byte communication  *  
                     data input sample phase bit, clock edge select bit,slave   *
*                    select ,clock polarity select bit ,Master enable bit       *
*                    secondary prescale bit, Primary prescale bit               *
*                    Config2 contains information about Enable/Disable SPI,SPI  *
                     Operation during CPU IDLE mode                             *
*********************************************************************************/


void OpenSPI1(unsigned int config1,unsigned int config2)
{       
     SPI1CON = config1;      /* Initalizes the spi module */
     SPI1STAT = config2;     /* Enable/Disable the spi module */
}