diff options
Diffstat (limited to 'nmigen_boards')
| -rw-r--r-- | nmigen_boards/dev/__init__.py | 1 | ||||
| -rw-r--r-- | nmigen_boards/dev/spi.py | 19 |
2 files changed, 20 insertions, 0 deletions
diff --git a/nmigen_boards/dev/__init__.py b/nmigen_boards/dev/__init__.py index f89e46a..1af4fe2 100644 --- a/nmigen_boards/dev/__init__.py +++ b/nmigen_boards/dev/__init__.py @@ -1,2 +1,3 @@ from .uart import UARTResource from .flash import SPIFlashResources +from .spi import SPIResource 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) |
