/*
  plugins.h - An embedded CNC Controller with rs274/ngc (g-code) support

  Some data structures and function declarations for plugins that require driver code

  These are NOT referenced in the core grbl code

  Part of grblHAL

  Copyright (c) 2020-2021 Terje Io

  Grbl 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.

  Grbl 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 Grbl.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _PLUGINS_H_
#define _PLUGINS_H_

#include <stdint.h>
#include <stdbool.h>

#include "nvs.h"

// Jogging

typedef struct {
    float fast_speed;
    float slow_speed;
    float step_speed;
    float fast_distance;
    float slow_distance;
    float step_distance;
} jog_settings_t;

// Networking

typedef enum {
    IpMode_Static = 0,
    IpMode_DHCP,
    IpMode_AutoIP
} ip_mode_t;

typedef union {
    uint8_t mask;
    struct {
        uint8_t telnet     :1,
                websocket  :1,
                http       :1,
                ftp        :1,
                dns        :1,
                mdns       :1,
                ssdp       :1,
                webdav     :1;
    };
} network_services_t;

typedef char ssid_t[65];
typedef char password_t[33];
typedef char hostname_t[33];

typedef struct {
    char ip[16];
    char gateway[16];
    char mask[16];
    hostname_t hostname;
    uint16_t telnet_port;
    uint16_t websocket_port;
    uint16_t http_port;
    ip_mode_t ip_mode;
    network_services_t services;
} network_settings_t;

typedef enum {
    WiFiMode_NULL = 0,
    WiFiMode_STA,
    WiFiMode_AP,
    WiFiMode_APSTA
} grbl_wifi_mode_t;

typedef struct {
    ssid_t ssid;
    password_t password;
    char country[4];
    uint8_t channel;
    network_settings_t network;
} wifi_ap_settings_t;

typedef struct {
    ssid_t ssid;
    password_t password;
    network_settings_t network;
} wifi_sta_settings_t;

typedef struct {
    char device_name[33];
    char service_name[33];
} bluetooth_settings_t;

typedef struct {
    uint32_t baud_rate;
    uint32_t rx_timeout;
} modbus_settings_t;

// Quadrature encoder interface

typedef enum {
    Encoder_Universal = 0,
    Encoder_FeedRate,
    Encoder_RapidRate,
    Encoder_Spindle_RPM,
    Encoder_MPG,
    Encoder_MPG_X,
    Encoder_MPG_Y,
    Encoder_MPG_Z,
    Encoder_MPG_A,
    Encoder_MPG_B,
    Encoder_MPG_C,
    Encoder_Spindle_Position
} encoder_mode_t;

typedef enum {
    Setting_EncoderMode = 0,
    Setting_EncoderCPR = 1, // Count Per Revolution
    Setting_EncoderCPD = 2, // Count Per Detent
    Setting_EncoderDblClickWindow = 3 // ms
} encoder_setting_id_t;

typedef union {
    uint8_t events;
    struct {
        uint8_t position_changed :1,
                click            :1,
                dbl_click        :1,
                long_click       :1,
                index_pulse      :1;
    };
} encoder_event_t;

typedef union {
    uint8_t flags;
    uint8_t value;
    struct {
        uint8_t single_count_per_detent :1;
    };
} encoder_flags_t;

typedef struct {
    encoder_mode_t mode;
    uint32_t cpr; // count per revolution
    uint32_t cpd; // count per detent
    uint32_t dbl_click_window; // ms
    encoder_flags_t flags;
} encoder_settings_t;

typedef struct {
    encoder_mode_t mode;
    uint_fast8_t id;
    uint_fast8_t axis; // axis index for MPG encoders, 0xFF for others
    int32_t position;
    uint32_t velocity;
    encoder_event_t event;
    encoder_settings_t *settings;
} encoder_t;

// EEPROM/FRAM interface

typedef struct {
    uint8_t address;
    uint8_t word_addr_bytes;
    uint16_t word_addr;
    volatile uint_fast16_t count;
    bool add_checksum;
    uint8_t checksum;
    uint8_t *data;
} nvs_transfer_t;

extern nvs_transfer_result_t i2c_nvs_transfer (nvs_transfer_t *i2c, bool read);
extern void my_plugin_init (void)  __attribute__((weak));

#endif