diff options
Diffstat (limited to 'keyboards/minidox/i2c.h')
-rw-r--r-- | keyboards/minidox/i2c.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/keyboards/minidox/i2c.h b/keyboards/minidox/i2c.h deleted file mode 100644 index c15b6bc50..000000000 --- a/keyboards/minidox/i2c.h +++ /dev/null | |||
@@ -1,49 +0,0 @@ | |||
1 | #ifndef I2C_H | ||
2 | #define I2C_H | ||
3 | |||
4 | #include <stdint.h> | ||
5 | |||
6 | #ifndef F_CPU | ||
7 | #define F_CPU 16000000UL | ||
8 | #endif | ||
9 | |||
10 | #define I2C_READ 1 | ||
11 | #define I2C_WRITE 0 | ||
12 | |||
13 | #define I2C_ACK 1 | ||
14 | #define I2C_NACK 0 | ||
15 | |||
16 | #define SLAVE_BUFFER_SIZE 0x10 | ||
17 | |||
18 | // i2c SCL clock frequency | ||
19 | #define SCL_CLOCK 400000L | ||
20 | |||
21 | extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE]; | ||
22 | |||
23 | void i2c_master_init(void); | ||
24 | uint8_t i2c_master_start(uint8_t address); | ||
25 | void i2c_master_stop(void); | ||
26 | uint8_t i2c_master_write(uint8_t data); | ||
27 | uint8_t i2c_master_read(int); | ||
28 | void i2c_reset_state(void); | ||
29 | void i2c_slave_init(uint8_t address); | ||
30 | |||
31 | |||
32 | static inline unsigned char i2c_start_read(unsigned char addr) { | ||
33 | return i2c_master_start((addr << 1) | I2C_READ); | ||
34 | } | ||
35 | |||
36 | static inline unsigned char i2c_start_write(unsigned char addr) { | ||
37 | return i2c_master_start((addr << 1) | I2C_WRITE); | ||
38 | } | ||
39 | |||
40 | // from SSD1306 scrips | ||
41 | extern unsigned char i2c_rep_start(unsigned char addr); | ||
42 | extern void i2c_start_wait(unsigned char addr); | ||
43 | extern unsigned char i2c_readAck(void); | ||
44 | extern unsigned char i2c_readNak(void); | ||
45 | extern unsigned char i2c_read(unsigned char ack); | ||
46 | |||
47 | #define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak(); | ||
48 | |||
49 | #endif | ||