134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/*
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original flame m0dul - https://github.com/kiu/flame
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flame m0dul with RGB (rev c) - https://github.com/schneider42/flame
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*/
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#include "basic/basic.h"
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#include "basic/config.h"
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#include "basic/xxtea.h"
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#include "flame/flame.h"
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#include "filesystem/util.h"
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#define nick GLOBAL(nickname)
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static uint8_t flamesEnabled = 0;
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static uint8_t flameMode = FLAME_STATE_OFF;
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static uint8_t flameBrightness = 0;
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static uint8_t flameTicks = 0;
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static uint8_t flamesOwned = 0;
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static uint8_t rgbData[24];
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static uint8_t rgbDataSize = 0;
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static uint8_t rgbDataOffset = 0;
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static void changeColor() {
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if (rgbDataSize > 2) {
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flameSetColor(flamesOwned, rgbData[rgbDataOffset],
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rgbData[rgbDataOffset + 1], rgbData[rgbDataOffset + 2]);
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if (rgbDataSize >= rgbDataOffset + 5) {
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rgbDataOffset += 3;
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} else {
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rgbDataOffset = 0;
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}
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} else {
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// generate a hash from the nickname
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uint32_t hash[4];
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uint32_t const key[4] = {0, 0, 0, 0};
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xxtea_cbcmac(hash, (uint32_t *)nick, 4, key);
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flameSetColor(flamesOwned, hash[0] & 0xFF, hash[1] & 0xFF, hash[2] & 0xFF);
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}
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}
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void tick_flame(void) { // every 10ms
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static char night=0;
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flamesOwned = flamesEnabled & ~flamesClaimed;
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if (!flamesOwned) {
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return;
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}
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if (night != isNight()) {
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night = isNight();
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if (!night) {
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flameMode = FLAME_STATE_OFF;
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flameBrightness = 0;
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flameSetBrightness(flamesOwned, flameBrightness);
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};
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};
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flameTicks++;
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if (flameBrightness > flameBrightnessMax) {
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flameBrightness = flameBrightnessMax;
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}
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if (flameBrightness < flameBrightnessMin) {
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flameBrightness = flameBrightnessMin;
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}
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if (flameMode == FLAME_STATE_OFF) {
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if (isNight()) {
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flameTicks = 0;
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flameMode = FLAME_STATE_UP;
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changeColor(flamesOwned, flameBrightness);
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}
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}
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if (flameMode == FLAME_STATE_UP) {
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if (0xFF - flameBrightness >= flameSpeedUp ) {
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flameBrightness += flameSpeedUp;
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} else {
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flameBrightness = 0xFF;
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}
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flameSetBrightness(flamesOwned, flameBrightness);
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if (flameBrightness >= flameBrightnessMax) {
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flameMode = FLAME_STATE_UP_WAIT;
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flameTicks = 0;
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}
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}
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if (flameMode == FLAME_STATE_UP_WAIT) {
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if (flameTicks >= flameWaitUp) {
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flameMode = FLAME_STATE_DOWN;
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}
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}
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if (flameMode == FLAME_STATE_DOWN) {
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if (flameSpeedDown <= flameBrightness) {
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flameBrightness -= flameSpeedDown;
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} else {
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flameBrightness = 0x00;
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}
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flameSetBrightness(flamesOwned, flameBrightness);
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if (flameBrightness <= flameBrightnessMin) {
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flameMode = FLAME_STATE_DOWN_WAIT;
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flameTicks = 0;
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}
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}
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if (flameMode == FLAME_STATE_DOWN_WAIT) {
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if (flameTicks >= flameWaitDown) {
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flameMode = FLAME_STATE_OFF;
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}
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}
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}
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void init_flame(void) {
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flamesEnabled = flameDetect();
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if (!flamesEnabled)
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return;
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flameInit(flamesEnabled);
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int s = readFile("FLAME.RGB", (char *)rgbData, 24);
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if( s > 0 )
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rgbDataSize = s;
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enableConfig(CFG_TYPE_FLAME,1);
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}
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