#include "config.h"
#define HC595_CS (1 <
#define NixieTube_CS (1 <
void DelayMS(uint32 dly)
{
uint32 i;
for(; dly > 0; dly--)
{
for(i = 0; i
}
}
void MSPI_Init(void)
{
PINSEL0 = (PINSEL0 & 0xFFFF00FF) | 0x00001500;
SPCCR = 0x52; // 设置SPI时钟分频
SPCR = (0 <
(1 <
(1 <
(0 <
(0 <
}
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;
}
/* 此表为LED0~F以及L、P、C的字模 */
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)
{
uint8 i;
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
{
MSPI_SendData(DISP_TAB[i]); // 发送显示数据
DelayMS(80);
}
}
return 0;
}