From: Keith Packard <keithp@keithp.com>
Date: Sat, 18 Nov 2017 07:27:36 +0000 (-0800)
Subject: altos/test: Add jiffy funcs to lisp test
X-Git-Tag: 1.8.3~1^2~41
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=65fb0ad8693407cc9bd114424c1f51b6aa6befc3

altos/test: Add jiffy funcs to lisp test

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/test/ao_lisp_os.h b/src/test/ao_lisp_os.h
index 9ff2e1fe..9b021900 100644
--- a/src/test/ao_lisp_os.h
+++ b/src/test/ao_lisp_os.h
@@ -45,15 +45,24 @@ ao_lisp_os_led(int led)
 	printf("leds set to 0x%x\n", led);
 }
 
+#define AO_LISP_JIFFIES_PER_SECOND	100
+
 static inline void
-ao_lisp_os_delay(int delay)
+ao_lisp_os_delay(int jiffies)
 {
-	if (!delay)
-		return;
 	struct timespec ts = {
-		.tv_sec = delay / 1000,
-		.tv_nsec = (delay % 1000) * 1000000,
+		.tv_sec = jiffies / AO_LISP_JIFFIES_PER_SECOND,
+		.tv_nsec = (jiffies % AO_LISP_JIFFIES_PER_SECOND) * (1000000000L / AO_LISP_JIFFIES_PER_SECOND)
 	};
 	nanosleep(&ts, NULL);
 }
+
+static inline int
+ao_lisp_os_jiffy(void)
+{
+	struct timespec tp;
+	clock_gettime(CLOCK_MONOTONIC, &tp);
+	return tp.tv_sec * AO_LISP_JIFFIES_PER_SECOND + (tp.tv_nsec / (1000000000L / AO_LISP_JIFFIES_PER_SECOND));
+}
+
 #endif