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import os
import subprocess
from nmigen.build import *
from nmigen.vendor.lattice_ice40 import *
from .resources import *
__all__ = ["ICEStickPlatform"]
class ICEStickPlatform(LatticeICE40Platform):
device = "iCE40HX1K"
package = "TQ144"
default_clk = "clk12"
resources = [
Resource("clk12", 0, Pins("21", dir="i"),
Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="SB_LVCMOS")),
*LEDResources(pins="99 98 97 96 95", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
UARTResource(0,
rx="9", tx="8", rts="7", cts="4", dtr="3", dsr="2", dcd="1",
attrs=Attrs(IO_STANDARD="SB_LVTTL", PULLUP=1),
role="dce"
),
IrDAResource(0,
rx="106", tx="105", sd="107",
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
),
*SPIFlashResources(0,
cs_n="71", clk="70", copi="67", cipo="68",
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
),
]
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.check_call([iceprog, bitstream_filename])
if __name__ == "__main__":
from .test.blinky import *
ICEStickPlatform().build(Blinky(), do_program=True)
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