forked from forks/qmk_firmware
ac3dfa742a
* added matrix 8xv2.0 additional keyboard * Apply suggestions from code review Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> * add copyright and speed up the matrix scanning * Update keyboards/matrix/m20add/rules.mk Co-authored-by: Drashna Jaelre <drashna@live.com> Co-authored-by: James Young <18669334+noroadsleft@users.noreply.github.com> Co-authored-by: Drashna Jaelre <drashna@live.com>
41 lines
1.1 KiB
C
41 lines
1.1 KiB
C
/**
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* @file tca6424.h
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* @author astro
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* @brief driver for the tca6424
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#ifndef TCA6424_ADDR
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#define TCA6424_ADDR 0x44
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#endif
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typedef enum {
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TCA6424_PORT0 = 0,
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TCA6424_PORT1,
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TCA6424_PORT2,
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} TCA6424_PORT;
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void tca6424_init(void);
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void tca6424_write_config(TCA6424_PORT port, uint8_t data);
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void tca6424_write_polarity(TCA6424_PORT port, uint8_t data);
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void tca6424_write_port(TCA6424_PORT port, uint8_t data);
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uint8_t tca6424_read_port(TCA6424_PORT port);
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