- if(tempk - 273 < cur) {
- tron = 1;
- if(cur - (tempk - 273) > 5) {
- /* For some reason, the Triac currently doesn't
- * trigger on one of the AC half-cycles below 0.7
- * ms. */
- trdelay = 7;
- } else if(cur - (tempk - 273) >= 3) {
- trdelay = 20;
- } else if(cur - (tempk - 273) >= 2) {
- trdelay = 40;
+ delta = cur - (tempk - 273);
+ if(rstate == 0) {
+ if(delta > 0) {
+ tron = 1;
+ if(delta > 8) {
+ /* For some reason, the Triac currently doesn't
+ * trigger on one of the AC half-cycles below 0.7
+ * ms. */
+ trdelay = 7;
+ } else {
+ trdelay = 79 - (delta * 9);
+ }