From 974ff1e063de4d705f3cde7414694c5d953ab4f6 Mon Sep 17 00:00:00 2001
From: Erik Strand <erik.strand@cba.mit.edu>
Date: Tue, 7 May 2019 21:33:51 -0400
Subject: [PATCH] Disable interrupts for put_char
This fixes the weird symbols that were randomly appearing.
---
strandstring/strandstring.pde | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/strandstring/strandstring.pde b/strandstring/strandstring.pde
index d859236..9db34b5 100644
--- a/strandstring/strandstring.pde
+++ b/strandstring/strandstring.pde
@@ -16,7 +16,7 @@
#include <util/delay.h>
#include <avr/pgmspace.h>
-#include "OneWire.h"
+#include "OneWireMod.h"
#define output(directions,pin) (directions |= pin) // set port direction for output
#define set(port,pin) (port |= pin) // set port pin
@@ -41,6 +41,7 @@
#define max_buffer 25
void put_char(volatile unsigned char *port, unsigned char pin, char txchar) {
+ noInterrupts();
//
// send character in txchar on port pin
// assumes line driver (inverts bits)
@@ -101,6 +102,7 @@ void put_char(volatile unsigned char *port, unsigned char pin, char txchar) {
// char delay
//
bit_delay();
+ interrupts();
}
void put_string(volatile unsigned char *port, unsigned char pin, char *str) {
@@ -146,6 +148,9 @@ void loop(void) {
PORTB |= led_pin;
//put_char(&serial_port, serial_pin_out, '1');
}
+ put_string(&serial_port, serial_pin_out, "hello world");
+ delay(500);
+ return;
byte i;
byte present = 0;
--
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