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
52
53
|
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)
|
