diff options
Diffstat (limited to 'keyboards/lily58/i2c.h')
-rwxr-xr-x | keyboards/lily58/i2c.h | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/keyboards/lily58/i2c.h b/keyboards/lily58/i2c.h deleted file mode 100755 index 710662c7a..000000000 --- a/keyboards/lily58/i2c.h +++ /dev/null | |||
@@ -1,46 +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 | #define SLAVE_BUFFER_SIZE 0x10 | ||
16 | |||
17 | // i2c SCL clock frequency 400kHz | ||
18 | #define SCL_CLOCK 400000L | ||
19 | |||
20 | extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; | ||
21 | |||
22 | void i2c_master_init(void); | ||
23 | uint8_t i2c_master_start(uint8_t address); | ||
24 | void i2c_master_stop(void); | ||
25 | uint8_t i2c_master_write(uint8_t data); | ||
26 | uint8_t i2c_master_read(int); | ||
27 | void i2c_reset_state(void); | ||
28 | void i2c_slave_init(uint8_t address); | ||
29 | |||
30 | |||
31 | static inline unsigned char i2c_start_read(unsigned char addr) { | ||
32 | return i2c_master_start((addr << 1) | I2C_READ); | ||
33 | } | ||
34 | |||
35 | static inline unsigned char i2c_start_write(unsigned char addr) { | ||
36 | return i2c_master_start((addr << 1) | I2C_WRITE); | ||
37 | } | ||
38 | |||
39 | // from SSD1306 scrips | ||
40 | extern unsigned char i2c_rep_start(unsigned char addr); | ||
41 | extern void i2c_start_wait(unsigned char addr); | ||
42 | extern unsigned char i2c_readAck(void); | ||
43 | extern unsigned char i2c_readNak(void); | ||
44 | extern unsigned char i2c_read(unsigned char ack); | ||
45 | |||
46 | #define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); | ||