/*

MY92XX LED Driver for Arduino
Based on the C driver by MaiKe Labs

Copyright (c) 2016 - 2026 MaiKe Labs
Copyright (C) 2017 - 2018 Xose Pérez for the Arduino compatible library

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef _my92xx_h
#define _my92xx_h

#include <Arduino.h>

#ifdef DEBUG_MY92XX
    #if ARDUINO_ARCH_ESP8266
        #define DEBUG_MSG_MY92XX(...) DEBUG_MY92XX.printf( __VA_ARGS__ )
    #elif ARDUINO_ARCH_AVR
        #define DEBUG_MSG_MY92XX(...) { char buffer[80]; snprintf(buffer, sizeof(buffer),  __VA_ARGS__ ); DEBUG_MY92XX.print(buffer); }
    #endif
#else
    #define DEBUG_MSG_MY92XX(...)
#endif

typedef enum my92xx_model_t {
        MY92XX_MODEL_MY9291 = 0X00,
        MY92XX_MODEL_MY9231 = 0X01,
} my92xx_model_t;

typedef enum my92xx_cmd_one_shot_t {
        MY92XX_CMD_ONE_SHOT_DISABLE = 0X00,
        MY92XX_CMD_ONE_SHOT_ENFORCE = 0X01,
} my92xx_cmd_one_shot_t;

typedef enum my92xx_cmd_reaction_t {
        MY92XX_CMD_REACTION_FAST = 0X00,
        MY92XX_CMD_REACTION_SLOW = 0X01,
} my92xx_cmd_reaction_t;

typedef enum my92xx_cmd_bit_width_t {
        MY92XX_CMD_BIT_WIDTH_16 = 0X00,
        MY92XX_CMD_BIT_WIDTH_14 = 0X01,
        MY92XX_CMD_BIT_WIDTH_12 = 0X02,
        MY92XX_CMD_BIT_WIDTH_8 = 0X03,
} my92xx_cmd_bit_width_t;

typedef enum my92xx_cmd_frequency_t {
        MY92XX_CMD_FREQUENCY_DIVIDE_1 = 0X00,
        MY92XX_CMD_FREQUENCY_DIVIDE_4 = 0X01,
        MY92XX_CMD_FREQUENCY_DIVIDE_16 = 0X02,
        MY92XX_CMD_FREQUENCY_DIVIDE_64 = 0X03,
} my92xx_cmd_frequency_t;

typedef enum my92xx_cmd_scatter_t {
        MY92XX_CMD_SCATTER_APDM = 0X00,
        MY92XX_CMD_SCATTER_PWM = 0X01,
} my92xx_cmd_scatter_t;

typedef struct {
        my92xx_cmd_scatter_t scatter:1;
        my92xx_cmd_frequency_t frequency:2;
        my92xx_cmd_bit_width_t bit_width:2;
        my92xx_cmd_reaction_t reaction:1;
        my92xx_cmd_one_shot_t one_shot:1;
        unsigned char resv:1;
} __attribute__ ((aligned(1), packed)) my92xx_cmd_t;

#define MY92XX_COMMAND_DEFAULT { \
    .scatter = MY92XX_CMD_SCATTER_APDM, \
    .frequency = MY92XX_CMD_FREQUENCY_DIVIDE_1, \
    .bit_width = MY92XX_CMD_BIT_WIDTH_8, \
    .reaction = MY92XX_CMD_REACTION_FAST, \
    .one_shot = MY92XX_CMD_ONE_SHOT_DISABLE, \
    .resv = 0 \
}

class my92xx {

    public:

        my92xx(my92xx_model_t model, unsigned char chips, unsigned char di, unsigned char dcki, my92xx_cmd_t command);
        unsigned char getChannels();
        void setChannel(unsigned char channel, unsigned int value);
        unsigned int getChannel(unsigned char channel);
        void setState(bool state);
        bool getState();
        void update();

    private:

        void _di_pulse(unsigned int times);
        void _dcki_pulse(unsigned int times);
        void _set_cmd(my92xx_cmd_t command);
        void _send();
        void _write(unsigned int data, unsigned char bit_length);

        my92xx_cmd_t _command;
        my92xx_model_t _model = MY92XX_MODEL_MY9291;
        unsigned char _chips = 1;
        unsigned char _channels;
        uint16_t * _value;
        bool _state = false;
        unsigned char _pin_di;
        unsigned char _pin_dcki;


};

#endif