From 37e87ffb863647545305760c59ca782cef3a02e7 Mon Sep 17 00:00:00 2001
From: craig duffy <c-duffy@uwe.ac.uk>
Date: Wed, 9 Feb 2022 14:36:05 +0000
Subject: [PATCH] changed outbyte to __io_putchar
---
worksheet4/com_port.h | 2 +-
worksheet4/main.c | 20 ++++++++++----------
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/worksheet4/com_port.h b/worksheet4/com_port.h
index 8be54d3..982ec41 100644
--- a/worksheet4/com_port.h
+++ b/worksheet4/com_port.h
@@ -30,7 +30,7 @@ void COMPortInit( void );
/*
* Send a character to the COM port.
*/
-extern int outbyte(int c);
+extern int __io_putchar(int c);
/*
* Receive a character from the COM port.
diff --git a/worksheet4/main.c b/worksheet4/main.c
index 394974e..043085c 100644
--- a/worksheet4/main.c
+++ b/worksheet4/main.c
@@ -23,7 +23,7 @@
#include <stm32f10x_gpio.h>
#include <stm32f10x_usart.h>
-int outbyte(int c) {
+int __io_putchar(int c) {
/* Wait until ready to send */
while (USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET)
@@ -81,17 +81,17 @@ int main(void)
COMPortInit();
for ( i=0; i != 10; i++)
{
- outbyte('h');
- outbyte('e');
- outbyte('l');
- outbyte('l');
- outbyte('o');
+ __io_putchar('h');
+ __io_putchar('e');
+ __io_putchar('l');
+ __io_putchar('l');
+ __io_putchar('o');
}
- outbyte('\n');
- outbyte('b');
- outbyte('y');
- outbyte('e');
+ __io_putchar('\n');
+ __io_putchar('b');
+ __io_putchar('y');
+ __io_putchar('e');
}
#ifdef USE_FULL_ASSERT
--
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