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vendor.conn.pmod: implement.

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Fixes #79.
This commit is contained in:
whitequark 2019-06-03 16:47:41 +00:00
parent 3d04122d55
commit 6426b90e4a
2 changed files with 94 additions and 0 deletions
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nmigen/vendor/conn/__init__.py vendored Normal file
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nmigen/vendor/conn/pmod.py vendored Normal file
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# Reference: https://www.digilentinc.com/Pmods/Digilent-Pmod_%20Interface_Specification.pdf
from ...build import *
__all__ = [
"PmodGPIOType1Resource",
"PmodSPIType2Resource",
"PmodSPIType2AResource",
"PmodUARTType3Resource",
"PmodUARTType4Resource",
"PmodUARTType4AResource",
"PmodHBridgeType5Resource",
"PmodDualHBridgeType6Resource",
]
def PmodGPIOType1Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Pins("1 2 3 4", dir="io", conn=("pmod", pmod)),
extras=extras
)
def PmodSPIType2Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("cs_n", Pins("1", dir="o", conn=("pmod", pmod))),
Subsignal("clk", Pins("2", dir="o", conn=("pmod", pmod))),
Subsignal("mosi", Pins("3", dir="o", conn=("pmod", pmod))),
Subsignal("miso", Pins("4", dir="i", conn=("pmod", pmod))),
extras=extras
)
def PmodSPIType2AResource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("cs_n", Pins("1", dir="o", conn=("pmod", pmod))),
Subsignal("clk", Pins("2", dir="o", conn=("pmod", pmod))),
Subsignal("mosi", Pins("3", dir="o", conn=("pmod", pmod))),
Subsignal("miso", Pins("4", dir="i", conn=("pmod", pmod))),
Subsignal("int", Pins("7", dir="i", conn=("pmod", pmod))),
Subsignal("reset", Pins("8", dir="o", conn=("pmod", pmod))),
extras=extras
)
def PmodUARTType3Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("cts", Pins("1", dir="o", conn=("pmod", pmod))),
Subsignal("rts", Pins("2", dir="i", conn=("pmod", pmod))),
Subsignal("rx", Pins("3", dir="i", conn=("pmod", pmod))),
Subsignal("tx", Pins("4", dir="o", conn=("pmod", pmod))),
extras=extras
)
def PmodUARTType4Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("cts", Pins("1", dir="i", conn=("pmod", pmod))),
Subsignal("tx", Pins("2", dir="o", conn=("pmod", pmod))),
Subsignal("rx", Pins("3", dir="i", conn=("pmod", pmod))),
Subsignal("rts", Pins("4", dir="o", conn=("pmod", pmod))),
extras=extras
)
def PmodUARTType4AResource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("cts", Pins("1", dir="i", conn=("pmod", pmod))),
Subsignal("tx", Pins("2", dir="o", conn=("pmod", pmod))),
Subsignal("rx", Pins("3", dir="i", conn=("pmod", pmod))),
Subsignal("rts", Pins("4", dir="o", conn=("pmod", pmod))),
Subsignal("int", Pins("7", dir="i", conn=("pmod", pmod))),
Subsignal("reset", Pins("8", dir="o", conn=("pmod", pmod))),
extras=extras
)
def PmodHBridgeType5Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("dir", Pins("1", dir="o", conn=("pmod", pmod))),
Subsignal("en", Pins("2", dir="o", conn=("pmod", pmod))),
Subsignal("sa", Pins("3", dir="i", conn=("pmod", pmod))),
Subsignal("sb", Pins("4", dir="i", conn=("pmod", pmod))),
extras=extras
)
def PmodDualHBridgeType6Resource(name, number, *, pmod, extras=None):
return Resource(name, number,
Subsignal("dir", Pins("1 3", dir="o", conn=("pmod", pmod))),
Subsignal("en", Pins("2 4", dir="o", conn=("pmod", pmod))),
extras=extras
)