Update to track changes in nmigen.

diff --git a/nmigen_boards/_blinky.py b/nmigen_boards/_blinky.py
index 1e533efa84aa93be55a3ce1615f37f45c29cbb1c..4fc0cc8db8c07e84685fb24de6fb476245e2b6ef 100644 (file)
--- a/nmigen_boards/_blinky.py
+++ b/nmigen_boards/_blinky.py
@@ -1,15 +1,18 @@
 import itertools
 
 from nmigen import *
-from nmigen.build import ConstraintError
+from nmigen.build import ResourceError
 
 
 class Blinky(Elaboratable):
+    def __init__(self, clk_name, clk_freq):
+        self.clk_name = clk_name
+        self.clk_freq = clk_freq
+
     def elaborate(self, platform):
         m = Module()
 
-        clk_name, clk_freq = next(iter(platform.clocks.items()))
-        clk = platform.request(*clk_name)
+        clk = platform.request(self.clk_name)
         m.domains.sync = ClockDomain()
         m.d.comb += ClockSignal().eq(clk.i)
 
@@ -17,11 +20,11 @@ class Blinky(Elaboratable):
         for n in itertools.count():
             try:
                 leds.append(platform.request("user_led", n))
-            except ConstraintError:
+            except ResourceError:
                 break
         leds = Cat(led.o for led in leds)
 
-        ctr = Signal(max=int(clk_freq//2), reset=int(clk_freq//2) - 1)
+        ctr = Signal(max=int(self.clk_freq//2), reset=int(self.clk_freq//2) - 1)
         with m.If(ctr == 0):
             m.d.sync += ctr.eq(ctr.reset)
             m.d.sync += leds.eq(~leds)
@@ -31,5 +34,5 @@ class Blinky(Elaboratable):
         return m
 
 
-def build_and_program(platform_cls, **kwargs):
-    platform_cls().build(Blinky(), do_program=True, **kwargs)
+def build_and_program(platform_cls, clk_name, clk_freq, **kwargs):
+    platform_cls().build(Blinky(clk_name, clk_freq), do_program=True, **kwargs)

diff --git a/nmigen_boards/ice40_hx1k_blink_evn.py b/nmigen_boards/ice40_hx1k_blink_evn.py
index ab940bf85ebd72cda1cb24cd9cf313295cfbbf58..976091f9d8fd713977960bb13621fa110d18839e 100644 (file)
--- a/nmigen_boards/ice40_hx1k_blink_evn.py
+++ b/nmigen_boards/ice40_hx1k_blink_evn.py
@@ -11,22 +11,27 @@ __all__ = ["ICE40HX1KBlinkEVNPlatform"]
 class ICE40HX1KBlinkEVNPlatform(LatticeICE40Platform):
     device     = "iCE40HX1K"
     package    = "VQ100"
-    clocks     = [
-        ("clk3p3", 3.3e6),
-    ]
     resources  = [
-        Resource("clk3p3", 0, Pins("13", dir="i"),
-                 extras={"GLOBAL": "1", "IO_STANDARD": "SB_LVCMOS33"}),
-
-        Resource("user_led", 0, Pins("59", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 1, Pins("56", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 2, Pins("53", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 3, Pins("51", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-
-        Resource("user_btn", 0, Pins("60"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_btn", 1, Pins("57"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_btn", 2, Pins("54"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_btn", 3, Pins("52"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
+        Resource("clk3p3", 0, Pins("13", dir="i"), Clock(3.3e6),
+                 Attrs(GLOBAL="1", IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("user_led", 0, Pins("59", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 1, Pins("56", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 2, Pins("53", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 3, Pins("51", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("user_btn", 0, Pins("60"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_btn", 1, Pins("57"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_btn", 2, Pins("54"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_btn", 3, Pins("52"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+
+        Resource("spiflash", 0,
+            Subsignal("cs_n", Pins("49", dir="o")),
+            Subsignal("clk",  Pins("48", dir="o")),
+            Subsignal("mosi", Pins("45", dir="o")),
+            Subsignal("miso", Pins("46", dir="i")),
+            Attrs(IO_STANDARD="SB_LVCMOS33")
+        ),
     ]
     connectors = [
         Connector("pmod",  1, "10  9  8  7 - -  4  3  2  1 - -"), # J1
@@ -44,4 +49,4 @@ class ICE40HX1KBlinkEVNPlatform(LatticeICE40Platform):
 
 if __name__ == "__main__":
     from ._blinky import build_and_program
-    build_and_program(ICE40HX1KBlinkEVNPlatform)
+    build_and_program(ICE40HX1KBlinkEVNPlatform, "clk3p3", 3.3e6)

diff --git a/nmigen_boards/icestick.py b/nmigen_boards/icestick.py
index a80a3f9e358eb07a89573cc839de52012756dca2..b90573b2bb93ae11b45708415333e44fc5eb936a 100644 (file)
--- a/nmigen_boards/icestick.py
+++ b/nmigen_boards/icestick.py
@@ -11,18 +11,15 @@ __all__ = ["ICEStickPlatform"]
 class ICEStickPlatform(LatticeICE40Platform):
     device     = "iCE40HX1K"
     package    = "TQ144"
-    clocks     = [
-        ("clk12", 12e6),
-    ]
     resources  = [
         Resource("clk12", 0, Pins("21", dir="i"),
-                 extras={"GLOBAL": "1", "IO_STANDARD": "SB_LVCMOS33"}),
+                 Clock(12e6), Attrs(GLOBAL="1", IO_STANDARD="SB_LVCMOS33")),
 
-        Resource("user_led", 0, Pins("99", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 1, Pins("98", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 2, Pins("97", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 3, Pins("96", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
-        Resource("user_led", 4, Pins("95", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
+        Resource("user_led", 0, Pins("99", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 1, Pins("98", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 2, Pins("97", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 3, Pins("96", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
+        Resource("user_led", 4, Pins("95", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
 
         Resource("serial", 0,
             Subsignal("rx",  Pins("9", dir="i")),
@@ -32,14 +29,14 @@ class ICEStickPlatform(LatticeICE40Platform):
             Subsignal("dtr", Pins("3", dir="o")),
             Subsignal("dsr", Pins("2", dir="i")),
             Subsignal("dcd", Pins("1", dir="i")),
-            extras={"IO_STANDARD": "SB_LVTTL", "PULLUP": "1"}
+            Attrs(IO_STANDARD="SB_LVTTL", PULLUP="1")
         ),
 
         Resource("irda", 0,
             Subsignal("rx", Pins("106", dir="i")),
             Subsignal("tx", Pins("105", dir="o")),
             Subsignal("sd", Pins("107", dir="o")),
-            extras={"IO_STANDARD": "SB_LVCMOS33"}
+            Attrs(IO_STANDARD="SB_LVCMOS33")
         ),
 
         Resource("spiflash", 0,
@@ -47,7 +44,7 @@ class ICEStickPlatform(LatticeICE40Platform):
             Subsignal("clk",  Pins("70", dir="o")),
             Subsignal("mosi", Pins("67", dir="o")),
             Subsignal("miso", Pins("68", dir="i")),
-            extras={"IO_STANDARD": "SB_LVCMOS33"}
+            Attrs(IO_STANDARD="SB_LVCMOS33")
         ),
     ]
     connectors = [
@@ -65,4 +62,4 @@ class ICEStickPlatform(LatticeICE40Platform):
 
 if __name__ == "__main__":
     from ._blinky import build_and_program
-    build_and_program(ICEStickPlatform)
+    build_and_program(ICEStickPlatform, "clk12", 12e6)

diff --git a/nmigen_boards/tinyfpga_bx.py b/nmigen_boards/tinyfpga_bx.py
index 3d93dc8239e5c394ba0ce6e267fbb1f5e7e38e1c..0ad94b90925b9d6ae68ab671a96ba5887f194a9c 100644 (file)
--- a/nmigen_boards/tinyfpga_bx.py
+++ b/nmigen_boards/tinyfpga_bx.py
@@ -11,20 +11,17 @@ __all__ = ["TinyFPGABXPlatform"]
 class TinyFPGABXPlatform(LatticeICE40Platform):
     device     = "iCE40LP8K"
     package    = "CM81"
-    clocks     = [
-        ("clk16", 16e6),
-    ]
     resources  = [
         Resource("clk16", 0, Pins("B2", dir="i"),
-                 extras={"IO_STANDARD": "SB_LVCMOS33"}),
+                 Clock(16e6), Attrs(IO_STANDARD="SB_LVCMOS33")),
 
-        Resource("user_led", 0, Pins("B3", dir="o"), extras={"IO_STANDARD": "SB_LVCMOS33"}),
+        Resource("user_led", 0, Pins("B3", dir="o"), Attrs(IO_STANDARD="SB_LVCMOS33")),
 
         Resource("usb", 0,
             Subsignal("d_p",    Pins("B4", dir="io")),
             Subsignal("d_n",    Pins("A4", dir="io")),
             Subsignal("pullup", Pins("A3", dir="o")),
-            extras={"IO_STANDARD": "SB_LVCMOS33"}
+            Attrs(IO_STANDARD="SB_LVCMOS33")
         ),
 
         Resource("spiflash", 0,
@@ -34,14 +31,14 @@ class TinyFPGABXPlatform(LatticeICE40Platform):
             Subsignal("miso", Pins("H7", dir="i")),
             Subsignal("wp",   Pins("H4", dir="o")),
             Subsignal("hold", Pins("J8", dir="o")),
-            extras={"IO_STANDARD": "SB_LVCMOS33"}
+            Attrs(IO_STANDARD="SB_LVCMOS33")
         ),
 
         Resource("spiflash4x", 0,
             Subsignal("cs_n", Pins("F7", dir="o")),
             Subsignal("clk",  Pins("G7", dir="o")),
             Subsignal("dq",   Pins("G6 H7 H4 J8", dir="io")),
-            extras={"IO_STANDARD": "SB_LVCMOS33"}
+            Attrs(IO_STANDARD="SB_LVCMOS33")
         ),
     ]
     connectors = [
@@ -65,4 +62,4 @@ class TinyFPGABXPlatform(LatticeICE40Platform):
 
 if __name__ == "__main__":
     from ._blinky import build_and_program
-    build_and_program(TinyFPGABXPlatform)
+    build_and_program(TinyFPGABXPlatform, "clk16", 16e6)