sp64.h (1420B)
- /* Copyright 2019 Neil Kettle
- *
- * 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 "quantum.h"
- #ifdef RIGHT_HALF
- # include <stdint.h>
- # include "i2c_master.h"
- // I2C aliases and register addresses (see "mcp23018.md")
- # define I2C_ADDR (0b0100000<<1)
- # define IODIRA 0x00 // i/o direction register
- # define IODIRB 0x01
- # define GPPUA 0x0C // GPIO pull-up resistor register
- # define GPPUB 0x0D
- # define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
- # define GPIOB 0x13
- # define OLATA 0x14 // output latch register
- # define OLATB 0x15
- extern i2c_status_t mcp23018_status;
- # define MCP23018_I2C_TIMEOUT 100
- uint8_t init_mcp23018(void);
- #endif