Steve Karg
fdd49f1791
* Added pretty-apps and pretty-ports make targets * pretty-fied apps folder C files * Pretty-fied ports folder C and H files Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
/*****************************************************************************
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blinker.c
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Endless loop blinks a code for crash analysis
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Inputs: Code - blink code to display
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1 = undefined instruction (one blinks ........ long pause)
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2 = prefetch abort (two blinks ........ long pause)
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3 = data abort (three blinks ...... long pause)
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Author: James P Lynch May 12, 2007
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*****************************************************************************/
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#include "board.h"
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/* global variables */
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unsigned long blinkcount;
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void blinker(unsigned char code)
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{
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volatile AT91PS_PIO pPIO =
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AT91C_BASE_PIOA; /* pointer to PIO register structure */
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volatile unsigned int j, k; /* loop counters */
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/* endless loop */
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while (1) {
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/* count out the proper number of blinks */
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for (j = code; j != 0; j--) {
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/* turn LED1 (DS1) on */
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pPIO->PIO_CODR = LED1;
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/* wait 250 msec */
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for (k = 600000; k != 0; k--)
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;
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/* turn LED1 (DS1) off */
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pPIO->PIO_SODR = LED1;
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/* wait 250 msec */
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for (k = 600000; k != 0; k--)
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;
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}
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/* wait 2 seconds */
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for (k = 5000000; (code != 0) && (k != 0); k--)
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;
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blinkcount++;
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}
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}
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