49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
import os
|
|
import subprocess
|
|
|
|
from amaranth.build import *
|
|
from amaranth.vendor.lattice_ice40 import *
|
|
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)
|