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Diffstat (limited to 'amaranth_boards/icebreaker_bitsy.py')
| -rw-r--r-- | amaranth_boards/icebreaker_bitsy.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/amaranth_boards/icebreaker_bitsy.py b/amaranth_boards/icebreaker_bitsy.py new file mode 100644 index 0000000..218a1d1 --- /dev/null +++ b/amaranth_boards/icebreaker_bitsy.py @@ -0,0 +1,51 @@ +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, + "47 44 48 45 4 3 9 10 11 12 21 13" + "20 25 23 27 26 28 31 32 34 36 43 46" + ) + ] + + def toolchain_program(self, products, name): + dfu_util = os.environ.get("DFU_UTIL", "dfu-util") + with products.extract("{}.bin".format(name)) as bitstream_filename: + subprocess.check_call([dfu_util, "-d", "1209:6146", "-a", "0", "-D", bitstream_filename]) + + +if __name__ == "__main__": + from .test.blinky import * + ICEBreakerBitsyPlatform().build(Blinky(), do_program=True) |
