todo pincfg

pincfg.h

@@ -2,10 +2,11 @@
 #define __PINCFG_H__
 
 typedef enum: uint8_t {
-   PIN_MODE_DIG_IN,
+   PIN_MODE_DIG_IN = 0,
    PIN_MODE_ANA_IN,
    PIN_MODE_DIG_OUT,
-   PIN_MODE_ANA_OUT
+   PIN_MODE_ANA_OUT,
+   PIN_MODE_UNUSED = 0xFF
 } PIN_MODES;
 
 typedef enum: uint8_t {
@@ -13,11 +14,55 @@ typedef enum: uint8_t {
    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;