diff options
Diffstat (limited to 'keyboards/zinc/i2c.h')
| -rw-r--r-- | keyboards/zinc/i2c.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/keyboards/zinc/i2c.h b/keyboards/zinc/i2c.h deleted file mode 100644 index 47cf6bd1b..000000000 --- a/keyboards/zinc/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 400kHz | ||
| 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 | ||
