Added port for Atmel AT91SAM7S-EK ARM7 board using the YAGARTO GNU ARM tool suite. Still testing.

2007-08-08 23:33:30 +00:00
parent 910acca133
commit ed5562126e
21 changed files with 6058 additions and 0 deletions
@@ -0,0 +1,41 @@
+/*****************************************************************************
+    blinker.c
+
+    Endless loop blinks a code for crash analysis
+
+    Inputs: Code  -  blink code to display
+        1 = undefined instruction (one blinks ........ long pause)
+        2 = prefetch abort        (two blinks ........ long pause)
+        3 = data abort            (three blinks ...... long pause)
+
+    Author:  James P Lynch  May 12, 2007
+*****************************************************************************/
+#include "AT91SAM7S256.h"
+#include "board.h"
+
+/* global variables */
+unsigned long	blinkcount;
+
+void  blinker(unsigned char    code) {
+    
+    volatile AT91PS_PIO pPIO = AT91C_BASE_PIOA; /* pointer to PIO register structure */
+    volatile unsigned int j,k; /* loop counters */
+
+    /* endless loop */
+    while (1)  {
+        /* count out the proper number of blinks */
+        for  (j = code; j != 0; j--) {
+            /* turn LED1 (DS1) on */
+            pPIO->PIO_CODR = LED1;
+            /* wait 250 msec */
+            for (k = 600000; k != 0; k-- );
+            /* turn LED1 (DS1) off */
+            pPIO->PIO_SODR = LED1;
+            /* wait 250 msec */
+            for (k = 600000; k != 0; k-- );
+        }
+        /* wait 2 seconds */
+        for (k = 5000000; (code != 0) && (k != 0); k-- );
+        blinkcount++;
+    }
+}