i'm learning the in's and out's of microcontroller programming, but i've
run into a really fundamental problem. i get the following error when i
attempt to use _BV to shift a shit and set port b pin 0 to output
4: undefined reference to `__stack'
and here is my code
#include avr/io.h
int
Timothy Smith wrote:
i'm learning the in's and out's of microcontroller programming, but
i've run into a really fundamental problem. i get the following error
when i attempt to use _BV to shift a shit and set port b pin 0 to output
4: undefined reference to `__stack'
and here is my code
Hello,
In order to set the bit, you need to logical OR the
bit.
DDRB |= _BV (PB0);
to clear it
DDRB = ~_BV(PB0);
Nayani
4: undefined reference to `__stack'
#include avr/io.h
int
main(void){
while (1) {
DDRB = _BV(PB0);
};
}
Only if you don't want to change the rest of the port!
/niklo
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Parthasaradhi Nayani
Sent: den 2 oktober 2005 19:35
To: Timothy Smith; avr-gcc
Subject: Re: [avr-gcc-list] very simple program
Hello,
In order
David Kelly wrote:
On Oct 2, 2005, at 7:21 AM, Timothy Smith wrote:
i'm learning the in's and out's of microcontroller programming, but
i've run into a really fundamental problem. i get the following
error when i attempt to use _BV to shift a shit and set port b pin 0
to output
4:
I have the following structure
typedef struct ranges_t
{
uint16_t Front;
uint16_t Left;
uint16_t Right;
} RANGES;
With this definition of an array of that structure
RANGES Sonar[2];
I get this error
DoSonar.c:110: error: request for member `Front' in
On Monday 03 October 2005 11:59, wbounce wrote:
I get this error
DoSonar.c:110: error: request for member `Front' in something not a
structure or union
On this line.
Sonar[SonarIndex].Front = SonarRange;
What am I doing wrong?
Have you tried building with -Wall?
Is this your only error
