qmk_firmware/keyboards/minidox/i2c.h
That-Canadian 55fcac4639 Adds Minidox Keyboard (#1487)
* merge

* line ending stuff

* Added MiniDox keyboard folder / configs / and some keymaps

* Updated minidox rev1 config, and readme. Also updated that_canadian keymap to include RGB

* cleaned up that_canadian keymap comments

* Fixed RGB being enabled by default, now it must be turned on at the keymap level
2017-07-10 20:15:08 -04:00

31 lines
567 B
C

#ifndef I2C_H
#define I2C_H
#include <stdint.h>
#ifndef F_CPU
#define F_CPU 16000000UL
#endif
#define I2C_READ 1
#define I2C_WRITE 0
#define I2C_ACK 1
#define I2C_NACK 0
#define SLAVE_BUFFER_SIZE 0x10
// i2c SCL clock frequency
#define SCL_CLOCK 100000L
extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
void i2c_master_init(void);
uint8_t i2c_master_start(uint8_t address);
void i2c_master_stop(void);
uint8_t i2c_master_write(uint8_t data);
uint8_t i2c_master_read(int);
void i2c_reset_state(void);
void i2c_slave_init(uint8_t address);
#endif