diff options
| author | Ivan Grokhotkov <ivan@espressif.com> | 2020-06-08 23:23:42 +0200 |
|---|---|---|
| committer | whitequark <whitequark@whitequark.org> | 2020-06-11 14:10:55 +0000 |
| commit | 70897161bf7846d940490ebd5198aef1f6800919 (patch) | |
| tree | d77b5d6ef11ccccc670dd44b81fbd42db33f6b85 /nmigen_boards | |
| parent | ea2ac2b10658b8349cc307b28a316a0c8917b452 (diff) | |
[breaking-change] ice40_hx8k_b_evn: fix UART flow control pins.
RTS/CTS and DTR/DSR pairs have been swapped to work around the signal
direction in UARTResource. Un-reverse the signals, making the names
match the schematic. Fix the direction by setting role=dce.
Ref. http://www.latticesemi.com/view_document?document_id=50373
Diffstat (limited to 'nmigen_boards')
| -rw-r--r-- | nmigen_boards/ice40_hx8k_b_evn.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/nmigen_boards/ice40_hx8k_b_evn.py b/nmigen_boards/ice40_hx8k_b_evn.py index 07c5348..48d5d9e 100644 --- a/nmigen_boards/ice40_hx8k_b_evn.py +++ b/nmigen_boards/ice40_hx8k_b_evn.py @@ -23,8 +23,9 @@ class ICE40HX8KBEVNPlatform(LatticeICE40Platform): ), # D2..D9 UARTResource(0, - rx="B10", tx="B12", rts="A15", cts="B13", dtr="B14", dsr="A16", dcd="B15", - attrs=Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1) + rx="B10", tx="B12", rts="B13", cts="A15", dtr="A16", dsr="B14", dcd="B15", + attrs=Attrs(IO_STANDARD="SB_LVCMOS", PULLUP=1), + role="dce" ), *SPIFlashResources(0, |