Ancho Guajillo Salmon With Grilled Pineapple Salsa

1 tablespoon salt 1 tablespoon sugar 1 tablespoon mild chili powder ½ teaspoon ground cinnamon 1 medium pineapple, peeled, cored, and cut into 8 lengthwise wedges 1 medium red sweet pepper, seeded, and chopped ½ cup chopped red onion ¼ cup snipped fresh cilantro 2 tablespoon snipped fresh mint 2 tablespoon lime juice