blob: 1c83a410649d3a6c6a9437014bc3498bd23e34eb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#ifndef __I2C_H
#define __I2C_H
#include <stddef.h>
#include <stdbool.h>
#define I2C_WRITE 0
#define I2C_READ 1
//higher level functions write registers
//TODO rename if we end up only using for screen
void i2c_write_reg(uint8_t device_addr, uint8_t device_reg, uint8_t value);
void i2c_write_reg_multi(uint8_t device_addr, uint8_t device_reg, size_t len, uint8_t *values);
//for drivers with weird i2c processes
void i2c_send(uint8_t byte);
uint8_t i2c_recv();
void i2c_stop();
void i2c_start(uint8_t addr, bool rw);
uint8_t i2c_read_reg_addr16(uint8_t device, uint16_t addr);
void i2c_write_reg_addr16(uint8_t device_addr, uint16_t device_reg, uint8_t data);
void i2c_init();
#endif
|
