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qmk_firmware/drivers/avr/i2c_slave.h
yiancar 72fd49b146 DC01 keyboard addition (#3428)
* DC01 initial commit

- Addition of directories
- Left readme

* Initial commit of left half

* Initial files for right half

* arrow

* i2c adjustments

* I2C slave and DC01 refractoring

- Cleaned up state machine of I2C slave driver
- Modified DC01 left to use already pressent I2C master driver
- Modified DC01 matrixes

* Fixed tabs to spaces

* Addition of Numpad

* Add keymaps

- Orthopad keymap for numpad module
- Numpad keymap for numpad module
- ISO, ANSI and HHKB version of keymap for right module

* Minor matrix.c fixes

* Update Readmes
2018-07-18 12:55:57 -04:00

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Executable file

/* Library made by: g4lvanix
* Github repository: https://github.com/g4lvanix/I2C-slave-lib
Info: Inititate the library by giving the required address.
Read or write to the necessary buffer according to the opperation.
*/
#ifndef I2C_SLAVE_H
#define I2C_SLAVE_H
#define TX_BUFFER_SIZE 30
#define RX_BUFFER_SIZE 30
volatile uint8_t buffer_address;
static volatile bool slave_has_register_set = false;
volatile uint8_t txbuffer[TX_BUFFER_SIZE];
volatile uint8_t rxbuffer[RX_BUFFER_SIZE];
void i2c_init(uint8_t address);
void i2c_stop(void);
ISR(TWI_vect);
#endif // I2C_SLAVE_H