mirror of
git://projects.qi-hardware.com/antorcha.git
synced 2024-11-22 19:15:20 +02:00
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/*
|
|
* fw/sweep.h - Image sweep
|
|
*
|
|
* Written 2012 by Werner Almesberger
|
|
* Copyright 2012 Werner Almesberger
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
|
|
#ifndef SWEEP_H
|
|
#define SWEEP_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
#include <avr/io.h>
|
|
|
|
#include "image.h"
|
|
|
|
|
|
struct sweep {
|
|
uint32_t start_ticks; /* absolute start time */
|
|
uint16_t pixel_ticks; /* number of ticks per pixel */
|
|
uint8_t left; /* leftmost line of image */
|
|
uint8_t right; /* rightmost line of image */
|
|
bool forward; /* direction of movement */
|
|
};
|
|
|
|
|
|
extern volatile bool sweeping;
|
|
|
|
|
|
static inline void set_line(struct line line)
|
|
{
|
|
PORTB = (PORTB & 0x3f) | (line.cb & 0xc0);
|
|
PORTC = line.cb;
|
|
PORTD = line.d;
|
|
}
|
|
|
|
|
|
uint32_t uptime_irq(void);
|
|
uint32_t uptime(void);
|
|
|
|
void sweep_image(const struct sweep *sweep);
|
|
void sweep_init(void);
|
|
|
|
#endif /* !SWEEP_H */
|