From 623370941d7856582b1e60302fd70fba8c20099f Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Sun, 21 Mar 2021 17:35:50 -0400
Subject: [PATCH] wip
---
GPIO/ATtiny412/ring.t412.ino | 13 +++++++++++--
index.html | 9 ++++++++-
2 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/GPIO/ATtiny412/ring.t412.ino b/GPIO/ATtiny412/ring.t412.ino
index 8d03212..82486f4 100644
--- a/GPIO/ATtiny412/ring.t412.ino
+++ b/GPIO/ATtiny412/ring.t412.ino
@@ -21,7 +21,7 @@ void setup() {
void loop() {
while(1) {
//
- // VPORT: 1.818 MHz
+ // VPORT: 1.808 MHz
// 250 ns high (5 cycles), 300 ns low (6 cycles)
//
if (VPORTA.IN & PIN7_bm)
@@ -38,7 +38,7 @@ void loop() {
PORTA.OUTSET = PIN6_bm;
*/
//
- // library: 0.358 MHz
+ // digitalRead/Write: 0.331 MHz
//
/*
if (digitalRead(1))
@@ -46,5 +46,14 @@ void loop() {
else
digitalWrite(0,HIGH);
*/
+ //
+ // digitalReadFast/WriteFast: 1.808 MHz
+ //
+ /*
+ if (digitalReadFast(1))
+ digitalWriteFast(0,LOW);
+ else
+ digitalWriteFast(0,HIGH);
+ */
}
}
diff --git a/index.html b/index.html
index f8524ed..d740dcc 100644
--- a/index.html
+++ b/index.html
@@ -103,7 +103,14 @@ The GPIO test measures how quickly pins can communicate with a processor core; t
</tr>
<tr>
-<td>1.818</td>
+<td>1.808</td>
+<td>ATtiny412</td>
+<td><a href=GPIO/ATtiny412/ring.t412.ino>DigitalReadFast/WriteFast</a></td>
+<td>March, 2021</td>
+</tr>
+
+<tr>
+<td>1.808</td>
<td>ATtiny412</td>
<td><a href=GPIO/ATtiny412/ring.t412.ino>VPORT</a></td>
<td>November, 2020</td>
--
GitLab