From 16348742989a94b63f278fb4c43e09ef994353f8 Mon Sep 17 00:00:00 2001
From: Christian Cunningham <cc@localhost>
Date: Wed, 30 Mar 2022 15:38:55 -0700
Subject: GPIO and delayed execution tests

---
 usr/main.c | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'usr/main.c')

diff --git a/usr/main.c b/usr/main.c
index 71f003f..a4c6048 100644
--- a/usr/main.c
+++ b/usr/main.c
@@ -1,3 +1,4 @@
+#include <setjmp.h>
 #include <cpu.h>
 #include <globals.h>
 #include <graphics/lfb.h>
@@ -27,7 +28,7 @@ static struct SysTimerInfo stime_2 = {
 };
 
 static struct SysTimerInfo stime_3 = {
-	.tick_rate = 6,
+	.tick_rate = 10,
 	.priority = 0,
 	.arg = 0,
 };
@@ -47,17 +48,19 @@ void gptest(void)
 	static unsigned long long ts[4096*2+20];
 	sys0_64(SYS_TIME, &ts[count++]);
 	if (count == (4096*2+18)) {
-		//unsubscribe_irq(GPIO_BANK_1_IRQ);
-		unsubscribe_irq(SYS_TIMER_3_IRQ);
+		unsubscribe_irq(GPIO_BANK_1_IRQ);
+		//unsubscribe_irq(SYS_TIMER_3_IRQ);
 		static char str[14];
 		char* start;
-		unsigned long mean=0, stdev=0, max=0;
+		unsigned long mean=0, stdev=0, max=0, min=0xFFFFFFFF;
 		for (unsigned long i = 0; i < 4096; i++) {
 			unsigned long elapsed = ts[2*(i+2)+1]-ts[2*(i+2)];
 			elapsed *= 1000;
 			mean += elapsed;
 			if (elapsed > max)
 				max = elapsed;
+			if (elapsed < min)
+				min = elapsed;
 		}
 		mean /= 4096;
 		for (unsigned long i = 0; i < 4096; i++) {
@@ -71,8 +74,10 @@ void gptest(void)
 		draw_string(0, 10, start);
 		start = ulong_to_string(stdev, str);
 		draw_string(0, 11, start);
-		start = ulong_to_string(max, str);
+		start = ulong_to_string(min, str);
 		draw_string(0, 12, start);
+		start = ulong_to_string(max, str);
+		draw_string(0, 13, start);
 	}
 	//unsigned long gplev0 = *GPLEV0;
 	//draw_hex32(0, 30, gplev0);
@@ -89,9 +94,9 @@ void main(void)
 	//subscribe_irq(SYS_TIMER_1_IRQ, loopt, &stime_1);
 	//subscribe_irq(SYS_TIMER_2_IRQ, loopt, &stime_2);
 	//subscribe_irq(SYS_TIMER_3_IRQ, loopt, &stime_3);
-	subscribe_irq(SYS_TIMER_3_IRQ, gptest, &stime_3);
-	//subscribe_irq(GPIO_BANK_1_IRQ, gptest, &gpinfo);
+	subscribe_irq(GPIO_BANK_1_IRQ, gptest, &gpinfo);
 	//add_thread(loop, 0, 8);
 	//add_thread(consumer, 0, 3);
 	//add_thread(test_super, 0, 4);
+	//subscribe_irq(SYS_TIMER_3_IRQ, gptest, &stime_3);
 }
-- 
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