# -----------------------------------------------------------------------------
#- Icestick constraint file (.pcf)
#- By Juan Gonzalez (Obijuan)
#- April - 2016
#- GPL license
# -----------------------------------------------------------------------------
# --  Pinout: http://www.pighixxx.com/test/2016/02/icestick-pinout/
# --  Guide: https://github.com/Obijuan/open-fpga-verilog-tutorial/blob/master/tutorial/doc/icestickusermanual.pdf

# -- Icestick leds map
#
#           D1
#        D4 D5 D2
#           D3
#
# --    D1-D4: Red leds
# --    D5: green led


# ------------ Red leds ------------------------------------------------------
set_io --warn-no-port D1 99
set_io --warn-no-port D2 98
set_io --warn-no-port D3 97
set_io --warn-no-port D4 96

# ------------ Green led -----------------------------------------------------
set_io --warn-no-port D5 95

# ------------------------ EXPANSION I/O ------------------------------------
#
# -- Numeration
#
#  Top Row (TR):
#                                       v
#          --------------------------------
#         |  10  9  8  7  6  5 4  3  2  1  |
#          --------------------------------
#
#  Bottom Row (BR):
#
#                                       v
#          --------------------------------
#         |  10  9  8  7  6  5 4  3  2  1  |
#          --------------------------------
#
# --- FPGA pins
#
#  Top Row (TR)
#                                                       v
#        --------------------------------------------------
#       | 119  118  117  116  115  114  113  112  GND  3v3 |
#        --------------------------------------------------
#
#
#  Bottom Row (BR)
#
#                                                       v
#         -------------------------------------------------
#        | 44   45   47   48   56   60   61   62  GND  3v3 |
#         -------------------------------------------------
#
# -- Bottom Row
# set_io --warn-no-port BR3 62
set_io --warn-no-port BR4 61
set_io --warn-no-port BR5 60
set_io --warn-no-port BR6 56
set_io --warn-no-port BR7 48
set_io --warn-no-port BR8 47
set_io --warn-no-port BR9 45
set_io --warn-no-port BR10 44

# -------------------------- SYSTEM CLOCK ------------------------------------
set_io --warn-no-port CLK 21