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import os
import argparse
import subprocess
from amaranth.build import *
from amaranth.vendor import LatticeMachXO2Platform
from .resources import *
__all__ = ["StepMXO2Platform"]
class StepMXO2Platform(LatticeMachXO2Platform):
package = "MG132"
speed = "4"
default_clk = "clk12"
device = "LCMXO2-4000HC"
resources = [
Resource("clk12", 0, Pins("C1", dir="i"), Attrs(IO_TYPE="LVCMOS33"),
Clock(12e6)),
UARTResource(0, rx="A3", tx="A2", attrs=Attrs(IO_TYPE="LVCMOS33"),
role="dce"),
*LEDResources(pins="N13 M12 P12 M11 P11 N10 N9 P9",
invert=True, attrs=Attrs(IO_TYPE="LVCMOS33")),
RGBLEDResource(0, r="M2", g="N2", b="P2",
invert=True, attrs=Attrs(IO_TYPE="LVCMOS33")),
RGBLEDResource(1, r="M3", g="N3", b="P4",
invert=True, attrs=Attrs(IO_TYPE="LVCMOS33")),
*ButtonResources(pins="L14 M13 M14 N14", invert=True,
attrs=Attrs(IO_TYPE="LVCMOS33")),
*SwitchResources(pins="M7 M8 M9 M10",
attrs=Attrs(IO_TYPE="LVCMOS33")),
Display7SegResource(0,
a="A10", b="C11", c="F2", d="E1", e="E2", f="A9", g="B9", dp="F1",
attrs=Attrs(IO_TYPE="LVCMOS33")
),
Display7SegResource(1,
a="C12", b="B14", c="J1", d="H1", e="H2", f="B12", g="A11",
dp="K1", attrs=Attrs(IO_TYPE="LVCMOS33")
),
Resource("display_7seg_ctrl", 0,
Subsignal("en", Pins("C9 A12", invert=True, dir="o")),
Attrs(IO_TYPE="LVCMOS33")
)
]
connectors = [
# Special pins for MachXO2 hard IP.
# I2C: 2- SCL, 3- SDA
# SPI: 25- CS_N, 24- CLK, 22- COPI, 23- CIPO
Connector("gpio", 0,
# Left side of the board
# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
" - C8 B8 E3 F3 G3 H3 I2 I3 K2 K3 L3 N5 P6 N6 P7 N7 P8 N8 -"
# Right side of the board
# 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
" - P13 N4 M4 P3 J12 K13 K14 K12 J14 J13 H12 G14 G13 F14 F13 G12 F12 E12 -"
),
]
# This board doesn't have an integrated programmer; the board's MCU
# implements a mass-storage device. You copy the JED file to it.
# Workaround a STEP-MXO2-LPC parsing bug in the bootloader, as it doesn't
# like JED files processed by ddtcmd. Copy the original JED file unchanged
# to {{name}}-lpc.jed. Prefer this file.
@property
def command_templates(self):
templates = super().command_templates
cp_template = r"""{%- if syntax == "sh" -%}
cp {{name}}_impl/{{name}}_impl.jed {{name}}-lpc.jed
{%- else -%}
copy {{name}}_impl\{{name}}_impl.jed {{name}}-lpc.jed
{%- endif -%}
"""
if self.family == "machxo2":
if self.toolchain == "Diamond":
return templates + [cp_template]
if self.toolchain == "Trellis":
return self.templates
assert False
assert False
if __name__ == "__main__":
from .test.blinky import *
parser = argparse.ArgumentParser()
parser.add_argument('toolchain', nargs="?", choices=["Trellis", "Diamond"], default="Diamond")
args = parser.parse_args()
StepMXO2Platform(toolchain=args.toolchain).build(Blinky(), do_program=False)
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