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muselab_icesugar: Modify comments a bit.

This commit is contained in:
Florent Kermarrec 2021-05-07 08:57:34 +02:00
parent 5ae130661f
commit e99272cb07
2 changed files with 5 additions and 13 deletions
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15
litex_boards/platforms/muselab_icesugar.py
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@ -4,8 +4,7 @@
# Copyright (c) 2021 Hans Baier <hansfbaier@gmail.com> # Copyright (c) 2021 Hans Baier <hansfbaier@gmail.com>
# SPDX-License-Identifier: BSD-2-Clause # SPDX-License-Identifier: BSD-2-Clause
# iCESugar FPGA: # iCESugar FPGA: https://www.aliexpress.com/item/4001201771358.html
# https://www.aliexpress.com/item/4001201771358.html
from litex.build.generic_platform import * from litex.build.generic_platform import *
from litex.build.lattice import LatticePlatform from litex.build.lattice import LatticePlatform
@ -55,17 +54,11 @@ _io = [
# Connectors --------------------------------------------------------------------------------------- # Connectors ---------------------------------------------------------------------------------------
_connectors = [ _connectors = [
# I chose the pin order such that it is the # Pin order similar to iCEBreaker to allow PMODs reuse.
# same as on the iCEBreaker so that its PMODs
# can be reused with this board
("PMOD1", "10 6 3 48 9 4 2 47"), ("PMOD1", "10 6 3 48 9 4 2 47"),
("PMOD2", "46 44 42 37 45 43 38 36"), ("PMOD2", "46 44 42 37 45 43 38 36"),
("PMOD3", "34 31 27 25 32 28 26 23"), ("PMOD3", "34 31 27 25 32 28 26 23"),
("J7", "48 - 3 47 - 2"), # Numbering similar to PMODS: 0: Marked pin.
# numbering similar to the pmods:
# 0 is marked pin, parallel rows
# notice that all those pins are also connected to PMOD1
("J7", "48 - 3 47 - 2"),
] ]
# PMODS -------------------------------------------------------------------------------------------- # PMODS --------------------------------------------------------------------------------------------
@ -73,7 +66,7 @@ _connectors = [
def led_pmod_io_v11(pmod, offset=0): def led_pmod_io_v11(pmod, offset=0):
return [ return [
# LED PMOD: https://www.aliexpress.com/item/1005001504777342.html # LED PMOD: https://www.aliexpress.com/item/1005001504777342.html
# contrary to the supplied schematic, the two nibbles seem to be swapped on the board # Contrary to the supplied schematic, the two nibbles seem to be swapped on the board.
("user_led_n", offset + 0, Pins(f"{pmod}:4"), IOStandard("LVCMOS33")), ("user_led_n", offset + 0, Pins(f"{pmod}:4"), IOStandard("LVCMOS33")),
("user_led_n", offset + 1, Pins(f"{pmod}:5"), IOStandard("LVCMOS33")), ("user_led_n", offset + 1, Pins(f"{pmod}:5"), IOStandard("LVCMOS33")),
("user_led_n", offset + 2, Pins(f"{pmod}:6"), IOStandard("LVCMOS33")), ("user_led_n", offset + 2, Pins(f"{pmod}:6"), IOStandard("LVCMOS33")),

3
litex_boards/targets/muselab_icesugar.py
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@ -6,8 +6,7 @@
# Copyright (c) 2021 Hans Baier <hansfbaier@gmail.com> # Copyright (c) 2021 Hans Baier <hansfbaier@gmail.com>
# SPDX-License-Identifier: BSD-2-Clause # SPDX-License-Identifier: BSD-2-Clause
# iCESugar FPGA: # iCESugar FPGA: https://www.aliexpress.com/item/4001201771358.html
# https://www.aliexpress.com/item/4001201771358.html
import os import os
import argparse import argparse