C++ (Cpp) MAX7219_Write Beispiele

Beispiel #1

Datei: 9-2 led_matrix.c Projekt: nightseas/pcduino_book

//初始化MAX7219芯片
void MAX7219_Init(void)
{
   MAX7219_Write(0x09, 0x00);       
   MAX7219_Write(0x0A, 0x03);       
   MAX7219_Write(0x0B, 0x07);       
   MAX7219_Write(0x0C, 0x01);      
   MAX7219_Write(0x0F, 0x00);      
}

Beispiel #2

Datei: example.c Projekt: AlexGora/cox

int test(void)
{
	unsigned short data[] = {0x0108, 0x0207, 0x0306, 0x0405,
                       0x0504, 0x0603, 0x0702, 0x0801};
	int i,j;
	int intensity=0x0f;

    //
    // Set SysClk 36MHz using Extern 12M oscillator
    //
    xSysCtlClockSet(36000000, xSYSCTL_OSC_MAIN | xSYSCTL_XTAL_12MHZ);

	MAX7219_Init();

	for(i=0;i<8;i++)
	{
		MAX7219_Write(data[i]>>8,data[i]);
	}

	while(1)
	{
		if(intensity>0x0f)
			intensity = 0;
		for(i=0;i<300000;i++);
		MAX7219_Write(MAX7219_INTENSITY_ADDR, intensity);
		intensity++;
	}
}

Beispiel #3

Datei: 9-2 led_matrix.c Projekt: nightseas/pcduino_book

//循环执行部分
void loop()
{
  //循环显示数字0-9，字母A-Z
  for(int j=0;j<36;j++)
  {

    for(int i=1;i<=8;i++)
      MAX7219_Write(i, matrixTable[j][i-1]);
    delay(500);
  }   
}