5.3-1.c

来自「单片机应用开发实例.rar」· C语言 代码 · 共 41 行

signal void ADC_Input (unsigned char channels, float max) 
{
   unsigned char i;
  float x;

   while (1)
    {
    x = (x + 0.25) % max;

    for (i = 0; i < channels; i++)
      {
      switch (i)
        {
        case 0:  AIN0  = (x + 0.0) % max; break;
        case 1:  AIN1  = (x + 0.1) % max; break;
        case 2:  AIN2  = (x + 0.2) % max; break;
        case 3:  AIN3  = (x + 0.3) % max; break;
        case 4:  AIN4  = (x + 0.4) % max; break;
        case 5:  AIN5  = (x + 0.5) % max; break;
        case 6:  AIN6  = (x + 0.6) % max; break;
        case 7:  AIN7  = (x + 0.7) % max; break;

        }
      }
    swatch( 0.01 );
    }
}

//ADC.C

init_ADC ();
	while (1)
	{
		for (i = 0; i < 8; i++)
		{
			printf ("Channel %u = %4u\n", (unsigned) i, read_ADC (i));
		}
	}
}