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https://github.com/Keychron/qmk_firmware.git
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41482e02a6
* Refactor xd84 to use LINK_TIME_OPTIMIZATION_ENABLE * Refactor xd96 to use LINK_TIME_OPTIMIZATION_ENABLE * Align xd84 and xd96 with moon * Update keyboards/xd96/rules.mk Co-Authored-By: Drashna Jaelre <drashna@live.com> * Update keyboards/xd84/rules.mk Co-Authored-By: Drashna Jaelre <drashna@live.com>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* Copyright 2019
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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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/*
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PCA9555
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,----------.
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SDA --| SDA P00 |-- P00
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SCL --| SCL P01 |-- P01
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INT --| INT P02 |-- P02
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| P03 |-- P03
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A0 --| A0 P04 |-- P04
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A1 --| A1 P05 |-- P05
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A2 --| A2 P06 |-- P06
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| P07 |-- P07
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| |
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| P10 |-- P10
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| P11 |-- P11
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| P12 |-- P12
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| P13 |-- P13
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| P14 |-- P14
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| P15 |-- P15
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| P16 |-- P16
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| P17 |-- P17
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`----------'
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*/
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#define PCA9555_PORT0 0
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#define PCA9555_PORT1 1
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#define ALL_OUTPUT 0
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#define ALL_INPUT 0xFF
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#define ALL_LOW 0
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#define ALL_HIGH 0xFF
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void pca9555_init(uint8_t slave_addr);
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void pca9555_set_config(uint8_t slave_addr, uint8_t port, uint8_t conf);
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void pca9555_set_output(uint8_t slave_addr, uint8_t port, uint8_t conf);
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uint8_t pca9555_readPins(uint8_t slave_addr, uint8_t port);
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