| 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 | } |