i2c working
This commit is contained in:
parent
96f44e1202
commit
d707738616
20 changed files with 1827 additions and 21 deletions
31
keyboards/lets_split/i2c.h
Normal file
31
keyboards/lets_split/i2c.h
Normal file
|
@ -0,0 +1,31 @@
|
|||
#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
|
Loading…
Add table
Add a link
Reference in a new issue