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-rw-r--r--nmigen_boards/dev/spi.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/nmigen_boards/dev/spi.py b/nmigen_boards/dev/spi.py
new file mode 100644
index 0000000..e8baae0
--- /dev/null
+++ b/nmigen_boards/dev/spi.py
@@ -0,0 +1,19 @@
+from nmigen.build import *
+
+
+__all__ = ["SPIResource"]
+
+
+def SPIResource(number, *, cs, clk, mosi, miso, int=None, reset=None, attrs=None):
+ io = []
+ io.append(Subsignal("cs", PinsN(cs, dir="o")))
+ io.append(Subsignal("clk", Pins(clk, dir="o")))
+ io.append(Subsignal("mosi", Pins(mosi, dir="o")))
+ io.append(Subsignal("miso", Pins(miso, dir="i")))
+ if int is not None:
+ io.append(Subsignal("int", Pins(int, dir="i")))
+ if reset is not None:
+ io.append(Subsignal("reset", Pins(reset, dir="o")))
+ if attrs is not None:
+ io.append(attrs)
+ return Resource("spi", number, *io)