#define  HC595_CS      (1 << 7)
#define  NixieTube_CS   (1<< 11)

void DelayMS(uint32 dly)
{
    uint32i;
    for(; dly> 0; dly--)
    {
      for(i = 0; i < 50000; i++);
    }
}

void  MSPI_Init(void)
{  
    PINSEL0 =(PINSEL0 & 0xFFFF00FF) | 0x00001500;

SPCCR =0x52;                 // 设置SPI时钟分频
    SPCR  = (0<< 3)|            // CPHA = 0, 数据在SCK 的第一个时钟沿采样
          (1 << 4)|            // CPOL = 1, SCK 为低有效
          (1 << 5)|            // MSTR = 1, SPI 处于主模式
          (0 << 6)|            // LSBF = 0, SPI 数据传输MSB (位7)在先
          (0 <<7);            // SPIE = 0, SPI 中断被禁止
}

void  MSPI_SendData(uint8 data)
{  
    IOCLR =HC595_CS;                // 片选74HC595
   
    SPI_SPDR =data;
    while( 0 ==(SPI_SPSR &0x80));      // 等待SPIF置位，即等待数据发送完毕
   
    IOSET =HC595_CS;

}

uint8 const DISP_TAB[19] = {
//    0     1    2   3   4   5   6   7   8   9    
   0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,
//    A   b     C   d   E     F
    0x88, 0x83,0xC6, 0xA1,0x86, 0x8E,
//     L    P    C
    0xC7, 0x8C,0xC6 };

int main (void)
{
    uint8i;
    
    PINSEL0 =0x00001500; // 设置SPI管脚连接
                          
    IODIR =HC595_CS|NixieTube_CS;   
    IOSET =IOSET|NixieTube_CS;
   MSPI_Init();// 初始化SPI接口                              
   while(1)   
    { 
         for(i = 0; i < 16; i++)
         {
           MSPI_SendData(DISP_TAB[i]);   // 发送显示数据
           DelayMS(80);
           }
    }
 
    return0;
}