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-rw-r--r--quantum/split_common/i2c.h59
1 files changed, 0 insertions, 59 deletions
diff --git a/quantum/split_common/i2c.h b/quantum/split_common/i2c.h
deleted file mode 100644
index 91e8e96f4..000000000
--- a/quantum/split_common/i2c.h
+++ /dev/null
@@ -1,59 +0,0 @@
1#pragma once
2
3#include <stdint.h>
4
5#ifndef F_CPU
6#define F_CPU 16000000UL
7#endif
8
9#define I2C_READ 1
10#define I2C_WRITE 0
11
12#define I2C_ACK 1
13#define I2C_NACK 0
14
15// Address location defines (Keymap should be last, as it's size is dynamic)
16#define I2C_BACKLIT_START 0x00
17// Need 4 bytes for RGB (32 bit)
18#define I2C_RGB_START 0x01
19#define I2C_KEYMAP_START 0x06
20
21// Slave buffer (8bit per)
22// Rows per hand + backlit space + rgb space
23// TODO : Make this dynamically sized
24#define SLAVE_BUFFER_SIZE 0x20
25
26// i2c SCL clock frequency
27#ifndef SCL_CLOCK
28#define SCL_CLOCK 100000L
29#endif
30
31// Support 8bits right now (8 cols) will need to edit to take higher (code exists in delta split?)
32extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
33
34void i2c_master_init(void);
35uint8_t i2c_master_start(uint8_t address);
36void i2c_master_stop(void);
37uint8_t i2c_master_write(uint8_t data);
38uint8_t i2c_master_write_data(void *const TXdata, uint8_t dataLen);
39uint8_t i2c_master_read(int);
40void i2c_reset_state(void);
41void i2c_slave_init(uint8_t address);
42
43
44static inline unsigned char i2c_start_read(unsigned char addr) {
45 return i2c_master_start((addr << 1) | I2C_READ);
46}
47
48static inline unsigned char i2c_start_write(unsigned char addr) {
49 return i2c_master_start((addr << 1) | I2C_WRITE);
50}
51
52// from SSD1306 scrips
53extern unsigned char i2c_rep_start(unsigned char addr);
54extern void i2c_start_wait(unsigned char addr);
55extern unsigned char i2c_readAck(void);
56extern unsigned char i2c_readNak(void);
57extern unsigned char i2c_read(unsigned char ack);
58
59#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();