//  
//  Coolrunner-II Starter Board I/O constraints
//  Copyright 2019 Joey Herguth
//  
//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//  the Software, and to permit persons to whom the Software is furnished to do so,
//  subject to the following conditions:
//  
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//  
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//  
//  
//  I have not tested all of the code, so it is quite possible that there are errors
//  in the constraints.
//  
//  For documentation and schematics visit:
//      https://store.digilentinc.com/coolrunner-ii-cpld-starter-board-limited-time/
//  
//  Archived:
//      https://web.archive.org/web/20190118223605/https://store.digilentinc.com/coolrunner-ii-cpld-starter-board-limited-time/
//  
//  Last edit 8/13/2019
//  

////  Clock
//NET CLK		LOC=P38;

////  Buttons
//NET BTN0		LOC=P143;
//NET BTN1		LOC=P94;

////  Switches
//NET SW0		LOC=P39;
//NET SW1		LOC=P124;

////  LEDs
//NET LED0		LOC=P69;
//NET LED1		LOC=P68;
//NET LED2		LOC=P66;
//NET LED3		LOC=P64;

////  Seven Segment Display Segments
//NET SEGA		LOC=P56;
//NET SEGB		LOC=P53;
//NET SEGC		LOC=P60;
//NET SEGD		LOC=P58;
//NET SEGE		LOC=P57;
//NET SEGF		LOC=P54;
//NET SEGG		LOC=P61;
//NET DP		LOC=P59;

////  Seven Segment Anodes
//NET AN0		LOC=P130;
//NET AN1		LOC=P129;
//NET AN2		LOC=P128;
//NET AN3		LOC=P126;

////  One-Wire EEPROM
//NET MEM		LOC=P125;

////  Port 1
//NET P1_0		LOC=P10;    //  Pin J1.1
//NET P1_1		LOC=P7;     //  Pin J1.2
//NET P1_2		LOC=P5;     //  Pin J1.3
//NET P1_3		LOC=P3;     //  Pin J1.4
//NET P1_4		LOC=P9;     //  Pin J1.7
//NET P1_5		LOC=P6;     //  Pin J1.8
//NET P1_6		LOC=P4;     //  Pin J1.9
//NET P1_7		LOC=P2;     //  Pin J1.10

////  Port 2
//NET P2_0		LOC=P142;   //  Pin J2.1
//NET P2_1		LOC=P139;   //  Pin J2.2
//NET P2_2		LOC=P136;   //  Pin J2.3
//NET P2_3		LOC=P134;   //  Pin J2.4
//NET P2_4		LOC=P140;   //  Pin J2.7
//NET P2_5		LOC=P138;   //  Pin J2.8
//NET P2_6		LOC=P135;   //  Pin J2.9
//NET P2_7		LOC=P133;   //  Pin J2.10

////  Port 3
//NET P3_0		LOC=P119;   //  Pin J3.1
//NET P3_1		LOC=P117;   //  Pin J3.2
//NET P3_2		LOC=P115;   //  Pin J3.3
//NET P3_3		LOC=P113;   //  Pin J3.4
//NET P3_4		LOC=P118;   //  Pin J3.7
//NET P3_5		LOC=P116;   //  Pin J3.8
//NET P3_6		LOC=P114;   //  Pin J3.9
//NET P3_7		LOC=P112;   //  Pin J3.10

////  Port 4
//NET P4_0		LOC=P104;   //  Pin J4.1
//NET P4_1		LOC=P102;   //  Pin J4.2
//NET P4_2		LOC=P100;   //  Pin J4.3
//NET P4_3		LOC=P97;    //  Pin J4.4
//NET P4_4		LOC=P103;   //  Pin J4.7
//NET P4_5		LOC=P101;   //  Pin J4.8
//NET P4_6		LOC=P98;    //  Pin J4.9
//NET P4_7		LOC=P96;    //  Pin J4.10

////  GPIO Pins
////  Note that GPIO pin numbers correspond to the pins on the schematic, while the header pin numbers correspond to the pins on the physical board.
//NET GPIO1		LOC=P92;    //  Header Pin 4
//NET GPIO2		LOC=P91;    //  Header Pin 5
//NET GPIO3		LOC=P88;    //  Header Pin 6
//NET GPIO4		LOC=P87;    //  Header Pin 7
//NET GPIO5		LOC=P86;    //  Header Pin 8
//NET GPIO6		LOC=P85;    //  Header Pin 9
//NET GPIO7		LOC=P83;    //  Header Pin 10
//NET GPIO8		LOC=P82;    //  Header Pin 11
//NET GPIO9		LOC=P81;    //  Header Pin 12
//NET GPIO10	LOC=P80;    //  Header Pin 13
//NET GPIO11	LOC=P79;    //  Header Pin 14
//NET GPIO12	LOC=P78;    //  Header Pin 15
//NET GPIO13	LOC=P77;    //  Header Pin 16
//NET GPIO14	LOC=P76;    //  Header Pin 17
//NET GPIO15	LOC=P75;    //  Header Pin 18
//NET GPIO16	LOC=P74;    //  Header Pin 19
//NET GPIO17	LOC=P71;    //  Header Pin 20
//NET GPIO18	LOC=P70;    //  Header Pin 21
//NET GPIO19	LOC=P52;    //  Header Pin 22
//NET GPIO20	LOC=P51;    //  Header Pin 23
//NET GPIO21	LOC=P50;    //  Header Pin 24
//NET GPIO22	LOC=P49;    //  Header Pin 25
//NET GPIO23	LOC=P48;    //  Header Pin 26
//NET GPIO24	LOC=P46;    //  Header Pin 27
//NET GPIO25	LOC=P45;    //  Header Pin 28
//NET GPIO26	LOC=P44;    //  Header Pin 29
//NET GPIO27	LOC=P13;    //  Header Pin 30
//NET GPIO28	LOC=P14;    //  Header Pin 31
//NET GPIO29	LOC=P15;    //  Header Pin 32
//NET GPIO30	LOC=P16;    //  Header Pin 33
//NET GPIO31	LOC=P17;    //  Header Pin 34
//NET GPIO32	LOC=P18;    //  Header Pin 35
//NET GPIO33	LOC=P105;   //  Header Pin 36
//NET GPIO34	LOC=P106;   //  Header Pin 37
//NET GPIO35	LOC=P107;   //  Header Pin 38
//NET GPIO36	LOC=P110;   //  Header Pin 39
//NET GPIO37	LOC=P111;   //  Header Pin 40