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https://github.com/candle-usb/candleLight_fw.git
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0a1d6dc920
Add a USB message which controls a GPIO for a specified CAN bus. The GPIO activates a SSR to connect a 120Ohm terminating resistor to the specified CAN bus. Signed-off-by: Daniel Trevitz <daniel.trevitz@wika.com>
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/*
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The MIT License (MIT)
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Copyright (c) 2016 Hubert Denkmair
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#pragma once
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#include "gs_usb.h"
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#include "config.h"
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void gpio_init(void);
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#ifdef TERM_Pin
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enum gs_can_termination_state set_term(unsigned int channel, enum gs_can_termination_state state);
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enum gs_can_termination_state get_term(unsigned int channel);
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#else
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static inline enum gs_can_termination_state set_term(unsigned int channel, enum gs_can_termination_state state)
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{
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(void)channel;
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(void)state;
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return GS_CAN_TERMINATION_UNSUPPORTED;
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}
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static inline enum gs_can_termination_state get_term(unsigned int channel)
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{
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(void)channel;
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return GS_CAN_TERMINATION_UNSUPPORTED;
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}
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#endif
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