Silicon Laboratories Stepper Machine Manual de usuario descargar pdf (Pagina 26)

AN155

26 Rev. 1.1

theChar = getc(); // get character to be parsed

switch(theChar) // parse character

{

case '\r': // if return character

putc('\n'); // linefeed with no carriage return

putc('>'); // display prompt

break;

case 'p': // p for new position

newP = getuint(); // get number as unsigned integer

newline();

puts("Moving..."); // display moving status indicator

newline();

puts("Position:"); // display position tag

newline();

move(newP); // initiate move to new position

break;

case 'a': // a for change acceleration

Tzero = getuchar(); // get number as unsigned character

newline();

puts("Acceleration:"); // confirm acceleration changed

newline();

putuint(Tzero); // display new acceleration

newline();

putc('>');

break;

case 's': // s for display status

newline();

puts("Position:"); // display position tag

newline();

putuint(Position); // display position value

newline();

puts("Acceleration:"); // display acceleration tag

newline();

putuint(Tzero); // display acceleration value

newline();

putc('>'); // display prompt

break;

default:

error(); // display error message

}

//-----------------------------------------------------------------------------

// SYSCLK_Init

//-----------------------------------------------------------------------------

// This routine initializes the system clock to use the internal 24.5MHz

// oscillator as its clock source. Also enables missing clock detector reset.

void SYSCLK_Init (void)

{

OSCICN = 0x07; // set SYSCLK to OSC frequency

RSTSRC = 0x04; // enable missing clock detector

PCA0MD &= ~0x40; // disable watchdog timer

}

//-----------------------------------------------------------------------------

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Silicon Laboratories Stepper Machine Manual de usuario Pagina 26

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