9d076ea0 |
1 | /* $Id: ledframing.c,v 1.1 2010/07/10 09:28:52 simimeie Exp $ |
2 | * Functions for led "animations" |
3 | */ |
4 | |
5 | #include <avr/io.h> |
6 | #include <avr/interrupt.h> |
7 | #include <string.h> |
8 | #include "ledframing.h" |
9 | #include "ledpwm.h" |
10 | #include "console.h" |
11 | |
12 | static uint8_t framesused; |
13 | static uint8_t currentframe; |
14 | static struct frame framebuffer[MAX_FRAMES]; |
15 | |
16 | void ledframing_init() { |
17 | framesused = currentframe = 0; |
18 | } |
19 | |
20 | uint8_t addframe_frame(struct frame fr) { |
21 | if ((framesused + 1) >= MAX_FRAMES) { /* Out of memory */ |
22 | return 0; |
23 | } |
24 | if (fr.action > MAX_ACTION) { /* Invalid / unknown action */ |
25 | return 0; |
26 | } |
27 | |
28 | framebuffer[framesused] = fr; |
29 | framesused++; |
30 | |
31 | return 1; |
32 | } |
33 | |
34 | uint8_t addframe_fade(uint16_t duration, uint8_t red, uint8_t green, uint8_t blue) { |
35 | if ((framesused + 1) >= MAX_FRAMES) { /* Out of memory */ |
36 | return 0; |
37 | } |
38 | |
39 | framebuffer[framesused].action = ACTION_FADE; |
40 | framebuffer[framesused].duration = duration; |
41 | framebuffer[framesused].rgb.re = red; |
42 | framebuffer[framesused].rgb.gr = green; |
43 | framebuffer[framesused].rgb.bl = blue; |
44 | framesused++; |
45 | |
46 | return 1; |
47 | } |
48 | |
49 | uint8_t addframe_strobe(uint16_t duration, uint16_t onticks, uint16_t offticks) { |
50 | if ((framesused + 1) >= MAX_FRAMES) { /* Out of memory */ |
51 | return 0; |
52 | } |
53 | |
54 | framebuffer[framesused].action = ACTION_STROBE; |
55 | framebuffer[framesused].duration = duration; |
56 | framebuffer[framesused].strobe.onticks = onticks; |
57 | framebuffer[framesused].strobe.offticks = offticks; |
58 | framesused++; |
59 | |
60 | return 1; |
61 | } |
62 | |
63 | struct frame * getnextframe(void) { |
64 | if (currentframe < framesused) { |
65 | currentframe++; |
66 | return &framebuffer[currentframe - 1]; |
67 | } |
68 | /* No frames left */ |
69 | return NULL; |
70 | } |
71 | |
72 | void resetframes() { |
73 | framesused = currentframe = 0; |
74 | } |