diff options
Diffstat (limited to 'nmigen_boards/dev/spi.py')
| -rw-r--r-- | nmigen_boards/dev/spi.py | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/nmigen_boards/dev/spi.py b/nmigen_boards/dev/spi.py deleted file mode 100644 index 2d045bc..0000000 --- a/nmigen_boards/dev/spi.py +++ /dev/null @@ -1,33 +0,0 @@ -from nmigen.build import * - - -__all__ = ["SPIResource"] - - -def SPIResource(*args, cs, clk, mosi, miso, int=None, reset=None, attrs=None, role="host"): - assert role in ("host", "device") - - io = [] - if role == "host": - io.append(Subsignal("cs", PinsN(cs, dir="o"))) - io.append(Subsignal("clk", Pins(clk, dir="o", assert_width=1))) - io.append(Subsignal("mosi", Pins(mosi, dir="o", assert_width=1))) - io.append(Subsignal("miso", Pins(miso, dir="i", assert_width=1))) - else: # device - io.append(Subsignal("cs", PinsN(cs, dir="i", assert_width=1))) - io.append(Subsignal("clk", Pins(clk, dir="i", assert_width=1))) - io.append(Subsignal("mosi", Pins(mosi, dir="i", assert_width=1))) - io.append(Subsignal("miso", Pins(miso, dir="oe", assert_width=1))) - if int is not None: - if role == "host": - io.append(Subsignal("int", Pins(int, dir="i"))) - else: - io.append(Subsignal("int", Pins(int, dir="oe", assert_width=1))) - if reset is not None: - if role == "host": - io.append(Subsignal("reset", Pins(reset, dir="o"))) - else: - io.append(Subsignal("reset", Pins(reset, dir="i", assert_width=1))) - if attrs is not None: - io.append(attrs) - return Resource.family(*args, default_name="spi", ios=io) |
