saji/groovylight
1
0
Fork 0
generated from saji/ecp5-template
Code Actions Packages Releases Wiki Activity

wip: test works, bypass amaranth-boards not working

Browse source
This commit is contained in:
saji 2024-09-21 22:33:47 -05:00
parent 20b16b6d40
commit 3188fdefa5
2 changed files with 46 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
src/groovylight/platforms/colorlight_5a75b_v8_2.py
View file

@ -2,7 +2,7 @@ import os
import subprocess import subprocess
from amaranth.vendor import LatticeECP5Platform from amaranth.vendor import LatticeECP5Platform
from amaranth.build import Resource, Pins, Attrs, Clock, Subsignal, PinsN, Connector from amaranth.build import Resource, Pins, Attrs, Clock, Subsignal, PinsN, Connector
from amaranth_boards.resources import SDRAMResource # from amaranth_boards.resources import SDRAMResource, LEDResources, ButtonResources
class Colorlight_5A75B_R82Platform(LatticeECP5Platform): class Colorlight_5A75B_R82Platform(LatticeECP5Platform):
@ -23,23 +23,25 @@ class Colorlight_5A75B_R82Platform(LatticeECP5Platform):
Subsignal("copi", Pins("T8", dir="o")), Subsignal("copi", Pins("T8", dir="o")),
Attrs(IO_TYPE="LVCMOS33"), Attrs(IO_TYPE="LVCMOS33"),
), ),
Resource("usr_btn", 0, Pins("R7", dir="i"), Attrs(IO_TYPE="LVCMOS33")), Resource("led", 0, PinsN("T6", dir="o"), Attrs(IO_TYPE="LVCMOS33")),
Resource("usr_led", 0, Pins("T6", dir="o"), Attrs(IO_TYPE="LVCMOS33")), # *ButtonResources(
SDRAMResource( # pins="R7", invert=True, attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP")
0, # ),
clk="C8", # SDRAMResource(
we_n="B5", # 0,
cas_n="A6", # clk="C8",
ras_n="B6", # we_n="B5",
ba="B7 A8", # cas_n="A6",
a="A9 B9 B10 C10 D9 C9 E9 D8 E8 C7 B8", # ras_n="B6",
dq="B2 A2 C3 A3 B3 A4 B4 A5 E7 C6 D7 D6 " # ba="B7 A8",
"E6 D5 C5 E5 A11 B11 B12 A13 B13 A14 B14 D14 D13 " # a="A9 B9 B10 C10 D9 C9 E9 D8 E8 C7 B8",
"E11 C13 D11 C12 D10 C11 D10", # dq="B2 A2 C3 A3 B3 A4 B4 A5 E7 C6 D7 D6 "
attrs=Attrs( # "E6 D5 C5 E5 A11 B11 B12 A13 B13 A14 B14 D14 D13 "
PULLMODE="NONE", DRIVE="4", SLEWRATE="FAST", IO_TYPE="LVCMOS33" # "E11 C13 D11 C12 D10 C11 D10",
), # attrs=Attrs(
), # PULLMODE="NONE", DRIVE="4", SLEWRATE="FAST", IO_TYPE="LVCMOS33"
# ),
# ),
Resource( Resource(
"eth_rgmii", "eth_rgmii",
0, 0,

26
tests/test_platform.py Normal file
View file

@ -0,0 +1,26 @@
from amaranth import Elaboratable, Module, Signal
from amaranth.lib.io import Buffer
from groovylight.platforms.colorlight_5a75b_v8_2 import Colorlight_5A75B_R82Platform
class Blinky(Elaboratable):
def elaborate(self, platform):
m = Module()
m.submodules.led = led = Buffer("o", platform.request("led", dir="-"))
state = Signal()
counter = Signal(24)
with m.If(counter == 0):
m.d.sync += [counter.eq(~0), state.eq(~state)]
with m.Else():
m.d.sync += counter.eq(counter - 1)
m.d.comb += led.o.eq(state)
return m
def test_platform():
plat = Colorlight_5A75B_R82Platform()
plat.build(Blinky())