#ifndef __PINCFG_H__
#define __PINCFG_H__

typedef enum: uint8_t {
   PIN_MODE_DIG_IN = 0,
   PIN_MODE_ANA_IN,
   PIN_MODE_DIG_OUT,
   PIN_MODE_ANA_OUT,
   PIN_MODE_UNUSED = 0xFF
} PIN_MODES;

typedef enum: uint8_t {
   PULLUP_OFF,
   PULLUP_ON
} PULLUP_MODES;

typedef enum: uint8_t {
   EDGE_RISING,
   EDGE_FALLING
} EDGE_POLARITY;

typedef enum: uint8_t {
   MIDI_CMD_SNAPSHOT = 0,  // call snapshot
   MIDI_CMD_FADER_ABS,     // direct set fader value
   MIDI_CMD_FADER_REL,     // inc/dec fader value
   MIDI_CMD_MUTE,          // direct set mute state
   MIDI_CMD_MUTE_TOGGLE,   // toggle mute state
   MIDI_CMD_PAN,           // direct set panorama
   MIDI_CMD_NONE = 0xFF    // no command assigned
} MIDI_CMD_TYPES;

struct MidiSelVal {
   uint8_t chsel;    // control element select (channel ID)
   uint8_t val;      // value of control element
};

struct MidiFaderRel {
   uint8_t chsel;    // fader chan ID
   int8_t  step;     // step size (neg:downward, pos:upward)
   uint8_t min;      // lowest fader value
   uint8_t max;      // highest fader value
};

struct MidiMute {
   uint8_t chsel;    // mute chan ID
   uint8_t edgecfg;  // -1:
};

union MidiCmdCfg {
   uint8_t        Snapshot;
   MidiSelVal     FaderAbs;
   MidiSelVal     Mute;
   MidiSelVal     Pan;
   MidiFaderRel   FaderRel;
   MidiMuteToggle MuteToggle;
};


struct PinCfg {
   uint8_t PinSel;
   PIN_MODES Mode;
   union {
      struct {
         PULLUP_MODES Pullup;
         MIDI_CMD_TYPES MidiCmd;
      } CfgDigIn;
      struct {
         uint8_t todo;
      } CfgAnaIn;
      struct {
         uint8_t todo;
      } CfgDigOut;
      struct {
         uint8_t todo;
      } CfgAnaOut;
   };   
};



#endif