Merge from trunk

util/bas_string.c

@@ -55,14 +55,14 @@ void *memset(void *s, int c, size_t n)
 }
 
 
-int memcmp(const char *s1, const char *s2, size_t max)
+int memcmp(const void *s1, const void *s2, size_t max)
 {
 	int i;
 	int cmp;
 
 	for (i = 0; i < max; i++)
 	{
-		cmp = (*s1 - *s2);
+        cmp = (* (const char *) s1 - * (const char *) s2);
 		if (cmp != 0) return cmp;
 	}
 	return cmp;
@@ -75,7 +75,7 @@ int strcmp(const char *s1, const char *s2)
 
 	for (i = 0; *s1++ && *s2++; i++)
 	{
-		cmp * (*s1 - *s2);
+		cmp = (*s1 - *s2);
 		if (cmp != 0) return cmp;
 	}
 	return cmp;

util/printf_helper.S

@@ -34,3 +34,5 @@ printf_helper:
 			lea			__MBAR+0x860C,a0	// PSCSTB0 transmitter buffer register
 			move.b		d0,(a0)				// send byte
 			rts
+
+// vim: set syntax=asm68k :

util/wait.c

@@ -27,5 +27,43 @@
 
 #include <stdint.h>
 #include <MCF5475.h>
-
 #include <wait.h>
+
+uint32_t get_timer(void)
+{
+	return MCF_SLT_SCNT(0);
+}
+/*
+ * wait for the specified number of us on slice timer 0. Replaces the original routines that had
+ * the number of useconds to wait for hardcoded in their name.
+ */
+void wait(uint32_t us)
+{
+	int32_t target = MCF_SLT_SCNT(0) - (us * (SYSCLK / 1000));
+
+	while (MCF_SLT_SCNT(0) - target > 0);
+}
+
+/*
+ * same as above, but with milliseconds wait time
+ */
+void wait_ms(uint32_t ms)
+{
+	wait(ms * 1000);
+}
+/*
+ * the same as above, with a checker function which gets called while
+ * busy waiting and allows for an early return if it returns true
+ */
+bool waitfor(uint32_t us, checker_func condition)
+{
+	int32_t target = MCF_SLT_SCNT(0) - (us * (SYSCLK / 1000));
+	bool res;
+
+	do
+	{
+		if ((res = (*condition)()))
+			return res;
+	} while (MCF_SLT_SCNT(0) - target > 0);
+	return false;
+}