openspi1.c

来自「基於 c51/8051 的 nand Flash Memory HY27US08」· C语言 代码 · 共 32 行

#if defined(__PIC24F__)
#include <p24Fxxxx.h>
#endif
#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                              *
*********************************************************************************/
#ifdef _SPI_V2_1

void OpenSPI1(unsigned int config1,unsigned int config2,unsigned int config3)
{       
     SPI1CON1 = config1;      /* Initalizes the spi module */
     SPI1CON2 = config2;
     SPI1STAT = config3;     /* Enable/Disable the spi module */
}

#else
#warning "Does not build on this target"
#endif