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DC01 keyboard addition (#3428)
[qmk_firmware.git] / drivers / avr / i2c_slave.h
1 /* Library made by: g4lvanix
2  * Github repository: https://github.com/g4lvanix/I2C-slave-lib
3
4  Info: Inititate the library by giving the required address.
5        Read or write to the necessary buffer according to the opperation.
6  */
7
8 #ifndef I2C_SLAVE_H
9 #define I2C_SLAVE_H
10
11 #define TX_BUFFER_SIZE 30
12 #define RX_BUFFER_SIZE 30
13
14 volatile uint8_t buffer_address;
15 static volatile bool slave_has_register_set = false;
16 volatile uint8_t txbuffer[TX_BUFFER_SIZE];
17 volatile uint8_t rxbuffer[RX_BUFFER_SIZE];
18
19 void i2c_init(uint8_t address);
20 void i2c_stop(void);
21 ISR(TWI_vect);
22
23 #endif // I2C_SLAVE_H