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Diffstat (limited to 'keyboards/sp111/mcp23018.h')
| -rw-r--r-- | keyboards/sp111/mcp23018.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/keyboards/sp111/mcp23018.h b/keyboards/sp111/mcp23018.h new file mode 100644 index 0000000000..dc2251b72f --- /dev/null +++ b/keyboards/sp111/mcp23018.h @@ -0,0 +1,34 @@ +/* Copyright 2020 zvecr<git@zvecr.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#pragma once + +#include <stdint.h> +#include <stdbool.h> + +#define mcp23018_PORTA 0 +#define mcp23018_PORTB 1 + +#define ALL_OUTPUT 0 +#define ALL_INPUT 0xFF +#define ALL_LOW 0 +#define ALL_HIGH 0xFF + +void mcp23018_init(uint8_t addr); +bool mcp23018_set_config(uint8_t slave_addr, uint8_t port, uint8_t conf); +bool mcp23018_set_output(uint8_t slave_addr, uint8_t port, uint8_t conf); +bool mcp23018_set_output_all(uint8_t slave_addr, uint8_t confA, uint8_t confB); +bool mcp23018_readPins(uint8_t slave_addraddr, uint8_t port, uint8_t* ret); +bool mcp23018_readPins_all(uint8_t slave_addr, uint16_t* ret); |