#pragma once

namespace Pins
{
  namespace Addr
  {
    // Arduino Nano Every
    struct Offset
    {
      // VPORTs
      const uint8_t vDir  = 0x00;
      const uint8_t vOut  = 0x01;
      const uint8_t vIn   = 0x02;
      const uint8_t vFlag = 0x03;
      // PORTs
      const uint8_t dir       = 0x00;
      const uint8_t dirSet    = 0x01;
      const uint8_t dirClear  = 0x02;
      const uint8_t dirToggle = 0x03;
      const uint8_t out       = 0x04;
      const uint8_t outSet    = 0x05;
      const uint8_t outClear  = 0x06;
      const uint8_t outToggle = 0x07;
      const uint8_t in        = 0x08;
      const uint8_t flag      = 0x09;   // Interrupt Flag
      const uint8_t portCtrl  = 0x0A;   // Slewrate Bit
    };
    constexpr Offset addrOffset;

    struct Address // base addresses of registers
    {
      uint16_t vport;  
      uint16_t port;
      uint8_t  pinCtrl;
      uint8_t  mask;
    };

    // The index is always the Arduino pin number.
    constexpr Address baseAddr[] 
    {
    // | VPORT | PORT | PINn | BIT  |
    // | Base  | Base | CTRL | MASK | // BIT  | PIN
       {0x0008, 0x0440, 0x15, 0x20},  //  5   |   0
       {0x0008, 0x0440, 0x14, 0x10},  //  4   |   1
       {0x0000, 0x0400, 0x10, 0x01},  //  0   |   2
       {0x0014, 0x04A0, 0x15, 0x20},  //  5   |   3
       {0x0008, 0x0440, 0x16, 0x40},  //  6   |   4
       {0x0004, 0x0420, 0x12, 0x04},  //  2   |   5
       {0x0014, 0x04A0, 0x14, 0x10},  //  4   |   6
       {0x0000, 0x0400, 0x11, 0x02},  //  1   |   7
       {0x0010, 0x0480, 0x13, 0x08},  //  3   |   8
       {0x0004, 0x0420, 0x10, 0x01},  //  0   |   9
       {0x0004, 0x0420, 0x11, 0x02},  //  1   |  10
       {0x0010, 0x0480, 0x10, 0x01},  //  0   |  11
       {0x0010, 0x0480, 0x11, 0x02},  //  1   |  12
       {0x0010, 0x0480, 0x12, 0x04},  //  2   |  13
       {0x000C, 0x0460, 0x13, 0x08},  //  3   |  14
       {0x000C, 0x0460, 0x12, 0x04},  //  2   |  15
       {0x000C, 0x0460, 0x11, 0x02},  //  1   |  16
       {0x000C, 0x0460, 0x10, 0x01},  //  0   |  17
       {0x0014, 0x04A0, 0x12, 0x04},  //  2   |  18
       {0x0014, 0x04A0, 0x13, 0x08},  //  3   |  19
       {0x000C, 0x0460, 0x14, 0x10},  //  4   |  20
       {0x000C, 0x0460, 0x15, 0x20},  //  5   |  21
       // -----------------------------------------------------
       // because of pin double assignment 18<>22 and 19<>23
       // PA2 and PA3 are used for I2C
       {0x0000, 0x0400, 0x12, 0x04},  //  2   |  22, PA2   (18)
       {0x0000, 0x0400, 0x13, 0x08},  //  3   |  23, PA3   (19) 
    };

    constexpr uint8_t ANZAHLPINS = ( sizeof(baseAddr) / sizeof(baseAddr[0]) ) - 2;
  }
}

/*
  Arduino Nano Every PinOut (ATmega4809)
                      _
                   __|_|__    
                  |       |  
      (D13)  PE2  +       +  PE1  (D12)  
            3.3V  +       +  PE0  (D11)  
      (AREF) PD7  +       +  PB1  (D10)(~)(TCA0 Channel 1)
  (A0)(D14)  PD3  +       +  PB0  (D 9)(~)(TCA0 Channel 0)
  (A1)(D15)  PD2  +       +  PE3  (D 8)
  (A2)(D16)  PD1  +       +  PA1  (D 7) 
  (A3)(D17)  PD0  +       +  PF4  (D 6)(~)(TCB0)
  (A4)(D18)  PF2  +       +  PB2  (D 5)(~)(TCA0 Channel 2)
  (A5)(D19)  PF3  +       +  PC6  (D 4)  
  (A6)(D20)  PD4  +       +  PF5  (D 3)(~)(TCB1)  
  (A7)(D21)  PD5  +       +  PA0  (D 2) 
            5.0V  +       +  GND
           RESET  +       +  RESET
             GND  +       +  PC5  (D 0) RX1
             VIN  +       +  PC4  (D 1) TX1      
                  |_______|  


 Ardu      |    Event       |      CCL-LUTn     |       TCA0        |       TCBn        |
  Pin Port | Port | Channel | default | PortMux | default | PortMux | default | PortMux |
   0  PC5  |  0     2 or 3  |   ---       ---   |   ---      0-WO5  |   ---       ---   |
   1  PC4  |  0     2 or 3  |   ---       ---   |   ---      0-WO4  |   ---       ---   |
   2  PA0  |  0     0 or 1  |  0-IN0      ---   |  0-WO0      ---   |   ---       ---   |
   3  PF5  |  1     4 or 5  |   ---       ---   |   ---      0-WO5  |   ---      1-WO   |
   4  PC6  |  0     2 or 3  |   ---      1-OUT  |   ---       ---   |   ---       ---   |
   5  PB2  |  1     0 or 1  |   ---       ---   |   ---      0-WO2  |   ---       ---   |
   6  PF4  |  1     4 or 5  |   ---       ---   |   ---      0-WO4  |   ---      0-WO   |
   7  PA1  |  0     0 or 1  |  0-IN1      ---   |  0-WO1      ---   |   ---       ---   |
   8  PE3  |  0     4 or 5  |   ---       ---   |   ---      0-WO3  |   ---       ---   |
   9  PB0  |  1     0 or 1  |   ---       ---   |   ---      0-WO0  |   ---       ---   |
  10  PB1  |  1     0 or 1  |   ---       ---   |   ---      0-WO1  |   ---       ---   |
  11  PE0  |  0     4 or 5  |   ---       ---   |   ---      0-WO0  |   ---       ---   |
  12  PE1  |  0     4 or 5  |   ---       ---   |   ---      0-WO1  |   ---       ---   |
  13  PE2  |  0     4 or 5  |   ---       ---   |   ---      0-WO2  |   ---       ---   |
  14  PD3  |  1     2 or 3  |  2-OUT      ---   |   ---      0-WO3  |   ---       ---   |
  15  PD2  |  1     2 or 3  |  2-IN2      ---   |   ---      0-WO2  |   ---       ---   |
  16  PD1  |  1     2 or 3  |  2-IN1      ---   |   ---      0-WO1  |   ---       ---   |
  17  PD0  |  1     2 or 3  |  2-IN0      ---   |   ---      0-WO0  |   ---       ---   |
  18  PF2  |  1     4 or 5  |  3-IN2      ---   |   ---      0-WO2  |   ---       ---   |  Doppelbelegung mit PA2 beachten !!!
  19  PF3  |  1     4 or 5  |  3-OUT      ---   |   ---      0-WO3  |   ---       ---   |  Doppelbelegung mit PA3 beachten !!!
  20  PD4  |  1     2 or 3  |   ---       ---   |   ---      0-WO4  |   ---       ---   |
  21  PD5  |  1     2 or 3  |   ---       ---   |   ---      0-WO5  |   ---       ---   |
*/