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import os
import subprocess
from amaranth.build import *
from amaranth.vendor.lattice_ice40 import *
from .resources import *
__all__ = ["ICEBreakerBitsyPlatform"]
class ICEBreakerBitsyPlatform(LatticeICE40Platform):
device = "iCE40UP5K"
package = "SG48"
default_clk = "clk12"
resources = [
Resource("clk12", 0, Pins("35", dir="i"),
Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
DirectUSBResource(0, d_p="42", d_n="38", pullup="37",
attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
*SPIFlashResources(0,
cs_n="16", clk="15", copi="14", cipo="17", wp_n="18", hold_n="19",
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
),
RGBLEDResource(0, r="39", g="40", b="41", invert=True,
attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
*LEDResources(pins="25 6", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
Resource("led_r", 0, PinsN("25", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
Resource("led_g", 0, PinsN("6", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS")),
*ButtonResources(pins="2", invert=True, attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
]
connectors = [
Connector("edge", 0, # Pins bottom P0 - P12,
{"0":"47", "1":"44", "2":"48", "3":"45", "4": "4", "5": "3",
"6": "9", "7":"10", "8":"11", "9":"12", "10":"21", "11":"13",
"12":"20", "13":"25", "14":"23", "15":"27", "16":"26", "17":"28",
"18":"31", "19":"32", "20":"34", "21":"36", "22":"43", "23":"46"}
),
Connector("pmod", 1, " 0 2 4 6 - - 1 3 5 7 - -", conn=("edge", "0")), # PMOD 1
Connector("pmod", 2, "22 19 16 17 - - 21 18 15 20 - -", conn=("edge", "0")), # PMOD 2
Connector("pmod", 3, "14 9 11 8 - - 13 10 12 23 - -", conn=("edge", "0")) # PMOD 3
]
def toolchain_program(self, products, name, run_vid=None, run_pid=None, dfu_vid="1d50", dfu_pid="6146", reset=True):
dfu_util = os.environ.get("DFU_UTIL", "dfu-util")
# Construct the device runtime and DFU vid pid string
dev_str = ""
if run_vid or run_pid:
dev_str = "{}:{}".format(run_vid or "", run_pid or "")
dev_str += ",{}:{}".format(dfu_vid or "", dfu_pid or "")
# Construct the argument list for dfu-util
args = [dfu_util, "-d", dev_str, "-a", "0"]
if reset: args.append("-R")
args.append("-D")
# Run dfu-util
with products.extract("{}.bin".format(name)) as bitstream_filename:
args.append(bitstream_filename)
subprocess.check_call(args)
if __name__ == "__main__":
from .test.blinky import *
ICEBreakerBitsyPlatform().build(Blinky(), do_program=True)
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