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/*
* Copyright 2020 Birte Kristina Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "arch.h"
#include "driver/gpio.h"
#include "driver/stdout.h"
#include "driver/i2c.h"
#include "driver/ssd1306.h"
#include "lib/inflate.h"
#include "driver/timer.h"
volatile unsigned char timer_done = 0;
#include "frames.cc"
/*
* fgrep 'PROGMEM frame' frames.cc | while read line; do echo $line | tr -cd , | wc -c; done | sort -n
* set buffer size to maximum number + 1.
*/
unsigned char deflate_buf[160];
unsigned char img_buf[(SSD1306_WIDTH * SSD1306_HEIGHT / 8)];
int main(void)
{
unsigned int i = 0, j = 0;
unsigned char line, frame_len;
unsigned char *frame;
arch.setup();
gpio.setup();
kout.setup();
i2c.setup();
ssd1306.init();
timer.setup_hz(frame_rate);
timer_done = 0;
timer.start(1);
while (1) {
for (i = 0; i < (sizeof(frames) / sizeof(frames[0])); i++) {
frame = (unsigned char *)pgm_read_ptr(&frames[i]);
frame_len = (unsigned char)pgm_read_byte(&frame[0]);
for (j = 0; j < frame_len; j++) {
deflate_buf[j] = (unsigned char)pgm_read_byte(&frame[j+1]);
}
inflate(deflate_buf, frame_len + 4, img_buf, sizeof(img_buf));
while (!timer_done) {
arch.idle();
}
timer.stop();
timer_done = 0;
timer.start(1);
ssd1306.showImage(img_buf, SSD1306_WIDTH * SSD1306_HEIGHT / 8);
}
}
return 0;
}
ON_TIMER_INTERRUPT_head
timer_done = 1;
ON_TIMER_INTERRUPT_tail
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