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import os
import subprocess
from nmigen.build import *
from nmigen.vendor.lattice_ice40 import *
from .dev import *
__all__ = ["ICEStickPlatform"]
class ICEStickPlatform(LatticeICE40Platform):
device = "iCE40HX1K"
package = "TQ144"
resources = [
Resource("clk12", 0, Pins("21", dir="i"),
Clock(12e6), Attrs(GLOBAL="1", IO_STANDARD="SB_LVCMOS33")),
Resource("user_led", 0, Pins("99", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
Resource("user_led", 1, Pins("98", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
Resource("user_led", 2, Pins("97", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
Resource("user_led", 3, Pins("96", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
Resource("user_led", 4, Pins("95", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
Resource("serial", 0,
Subsignal("rx", Pins("9", dir="i")),
Subsignal("tx", Pins("8", dir="o")),
Subsignal("rts", Pins("7", dir="o")),
Subsignal("cts", Pins("4", dir="i")),
Subsignal("dtr", Pins("3", dir="o")),
Subsignal("dsr", Pins("2", dir="i")),
Subsignal("dcd", Pins("1", dir="i")),
Attrs(IO_STANDARD="SB_LVTTL", PULLUP="1")
),
Resource("irda", 0,
Subsignal("rx", Pins("106", dir="i")),
Subsignal("tx", Pins("105", dir="o")),
Subsignal("sd", Pins("107", dir="o")),
Attrs(IO_STANDARD="SB_LVCMOS33")
),
*SPIFlashResources(0,
cs_n="71", clk="70",
mosi="67", miso="68",
attrs=Attrs(IO_STANDARD="SB_LVCMOS33")
),
]
connectors = [
Connector("pmod", 0, "78 79 80 81 - - 87 88 90 91 - -"), # J2
Connector("j", 1, "- - 112 113 114 115 116 117 118 119"), # J1
Connector("j", 3, "- - 62 61 60 56 48 47 45 44"), # J3
]
def toolchain_program(self, products, name):
iceprog = os.environ.get("ICEPROG", "iceprog")
with products.extract("{}.bin".format(name)) as bitstream_filename:
subprocess.run([iceprog, bitstream_filename], check=True)
if __name__ == "__main__":
from ._blinky import build_and_program
build_and_program(ICEStickPlatform, "clk12")
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