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
|
import os
import subprocess
from amaranth.build import *
from amaranth.vendor import LatticeICE40Platform
from amaranth_boards.resources import *
__all__ = ["UpduinoV3Platform"]
class UpduinoV3Platform(LatticeICE40Platform):
device = "iCE40UP5K"
package = "SG48"
default_clk = "SB_HFOSC"
hfosc_div = 0
resources = [
# Solder the OSC jumper to connect the onboard oscillator to pin 20.
# Note that this overlaps with the QSPI pins.
Resource("clk12", 0,
Pins("20", dir="i"),
Clock(12e6), Attrs(IO_STANDARD="SB_LVCMOS")),
RGBLEDResource(0,
r="41", g="39", b="40", invert=True,
attrs=Attrs(IO_STANDARD="SB_LVCMOS")),
# To use QSPI mode, solder the appropriate jumpers.
*SPIFlashResources(0,
cs_n="16", clk="15", cipo="17", copi="14", wp_n="10", hold_n="20",
attrs=Attrs(IO_STANDARD="SB_LVCMOS")
),
]
connectors = [
# "Left" row of header pins (JP5 on the schematic)
Connector("j", 0, "41 39 40 - - - 23 25 26 27 32 35 31 37 34 43 36 42 38 28"),
# "Right" row of header pins (JP6 on the schematic)
Connector("j", 1, "20 10 - - 12 21 13 19 18 11 9 6 44 4 3 48 45 47 46 2")
]
def toolchain_program(self, products, name):
iceprog = os.environ.get("ICEPROG", "iceprog")
with products.extract("{}.bin".format(name)) as bitstream_filename:
subprocess.check_call([iceprog, bitstream_filename])
if __name__ == "__main__":
from amaranth_boards.test.blinky import *
UpduinoV3Platform().build(Blinky(), do_program=True)
|
