/*
 * Copyright 2012 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef __FM_CORE_H
#define __FM_CORE_H

#include <Arduino.h>
#include "aligned_buf.h"
#include "fm_op_kernel.h"
#include "synth.h"
#include "controllers.h"


class FmOperatorInfo {
public:
    int in;
    int out;
};

enum FmOperatorFlags {
    OUT_BUS_ONE = 1 << 0,
    OUT_BUS_TWO = 1 << 1,
    OUT_BUS_ADD = 1 << 2,
    IN_BUS_ONE = 1 << 4,
    IN_BUS_TWO = 1 << 5,
    FB_IN = 1 << 6,
    FB_OUT = 1 << 7
};

class FmAlgorithm {
public:
    int ops[6];
};

class FmCore {
public:
    virtual ~FmCore() {};
    static void dump();
    uint8_t get_carrier_operators(uint8_t algorithm);
    virtual void render(int32_t *output, FmOpParams *params, int algorithm, int32_t *fb_buf, int feedback_gain);
protected:
    AlignedBuf<int32_t, _N_>buf_[2];
    const static FmAlgorithm algorithms[32];
};

#endif  // __FM_CORE_H