1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
import os
import subprocess
from nmigen.build import *
from nmigen.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="16", clk="15", copi="14", cipo="17", wp="18", hold="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)
|
