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import os
import subprocess
from amaranth.build import *
from amaranth.vendor import LatticeICE40Platform
from .resources import *
__all__ = ["ICESugarNanoPlatform"]
class ICESugarNanoPlatform(LatticeICE40Platform):
device = "iCE40LP1K"
package = "CM36"
default_clk = "clk12"
resources = [
Resource("clk12", 0, Pins("D1", dir="i"),
Clock(12e6), Attrs(GLOBAL=True, IO_STANDARD="LVCMOS33")),
*LEDResources(pins="B6", invert=False, attrs=Attrs(IO_STANDARD="LVCMOS33")),
UARTResource(0,
tx="B3", rx="A3",
attrs=Attrs(IO_STANDARD="LVTTL33", PULLUP=1)
),
*SPIFlashResources(0,
cs_n="D5", clk="E5", copi="E4", cipo="F5",
attrs=Attrs(IO_STANDARD="LVCMOS33")
),
]
connectors = [
Connector("pmod", 0, "E2 D1 B1 A1 - -"), # PMOD1
Connector("pmod", 1, "B3 A3 B6 C5 - -"), # PMOD2
Connector("pmod", 2, "B4 B5 E1 B1 - - C6 E3 C2 A1 - -"), # PMOD3
]
def toolchain_program(self, products, name):
icesprog = os.environ.get("ICESPROG", "icesprog")
with products.extract("{}.bin".format(name)) as bitstream_filename:
subprocess.check_call([icesprog, bitstream_filename])
if __name__ == "__main__":
from .test.blinky import *
ICESugarNanoPlatform().build(Blinky(), do_program=True)
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