54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
import os
|
|
import subprocess
|
|
|
|
from amaranth.build import *
|
|
from amaranth.vendor.lattice_ice40 import *
|
|
from .resources import *
|
|
|
|
|
|
__all__ = ["TinyFPGABXPlatform"]
|
|
|
|
|
|
class TinyFPGABXPlatform(LatticeICE40Platform):
|
|
device = "iCE40LP8K"
|
|
package = "CM81"
|
|
default_clk = "clk16"
|
|
resources = [
|
|
Resource("clk16", 0, Pins("B2", dir="i"),
|
|
Clock(16e6), Attrs(IO_STANDARD="SB_LVCMOS")),
|
|
|
|
*LEDResources(pins="B3", attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
|
|
|
|
DirectUSBResource(0, d_p="B4", d_n="A4", pullup="A3",
|
|
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
|
|
),
|
|
|
|
*SPIFlashResources(0,
|
|
cs_n="F7", clk="G7", copi="G6", cipo="H7", wp_n="H4", hold_n="J8",
|
|
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
|
|
),
|
|
]
|
|
connectors = [
|
|
Connector("gpio", 0,
|
|
# Left side of the board
|
|
# 1 2 3 4 5 6 7 8 9 10 11 12 13
|
|
" A2 A1 B1 C2 C1 D2 D1 E2 E1 G2 H1 J1 H2 "
|
|
# Right side of the board
|
|
# 14 15 16 17 18 19 20 21 22 23 24
|
|
" H9 D9 D8 C9 A9 B8 A8 B7 A7 B6 A6 "
|
|
# Bottom of the board
|
|
# 25 26 27 28 29 30 31
|
|
"G1 J3 J4 G9 J9 E8 J2"
|
|
),
|
|
]
|
|
|
|
def toolchain_program(self, products, name):
|
|
tinyprog = os.environ.get("TINYPROG", "tinyprog")
|
|
with products.extract("{}.bin".format(name)) as bitstream_filename:
|
|
subprocess.check_call([tinyprog, "-p", bitstream_filename])
|
|
|
|
|
|
if __name__ == "__main__":
|
|
from .test.blinky import *
|
|
TinyFPGABXPlatform().build(Blinky(), do_program=True)
|