6e27f6fbde
new file: keyboards/lets_splitv2/Makefile new file: keyboards/lets_splitv2/config.h new file: keyboards/lets_splitv2/i2c.c new file: keyboards/lets_splitv2/i2c.h new file: keyboards/lets_splitv2/imgs/split-keyboard-i2c-schematic.png new file: keyboards/lets_splitv2/imgs/split-keyboard-serial-schematic.png new file: keyboards/lets_splitv2/keymaps/default/keymap.c new file: keyboards/lets_splitv2/lets_split.c new file: keyboards/lets_splitv2/lets_split.h new file: keyboards/lets_splitv2/matrix.c new file: keyboards/lets_splitv2/pro_micro.h new file: keyboards/lets_splitv2/readme.md new file: keyboards/lets_splitv2/serial.c new file: keyboards/lets_splitv2/serial.h new file: keyboards/lets_splitv2/split_util.c new file: keyboards/lets_splitv2/split_util.h new file: keyboards/maxipad/Makefile new file: keyboards/maxipad/config.h new file: keyboards/maxipad/keymaps/default/Makefile new file: keyboards/maxipad/keymaps/default/config.h new file: keyboards/maxipad/keymaps/default/keymap.c new file: keyboards/maxipad/keymaps/default/readme.md new file: keyboards/maxipad/maxipad.c new file: keyboards/maxipad/maxipad.h new file: keyboards/maxipad/readme.md
32 lines
567 B
C
32 lines
567 B
C
#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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#ifndef F_CPU
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#define F_CPU 16000000UL
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#endif
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#define I2C_READ 1
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#define I2C_WRITE 0
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#define I2C_ACK 1
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#define I2C_NACK 0
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#define SLAVE_BUFFER_SIZE 0x10
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// i2c SCL clock frequency
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#define SCL_CLOCK 100000L
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extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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void i2c_master_init(void);
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uint8_t i2c_master_start(uint8_t address);
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void i2c_master_stop(void);
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uint8_t i2c_master_write(uint8_t data);
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uint8_t i2c_master_read(int);
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void i2c_reset_state(void);
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void i2c_slave_init(uint8_t address);
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#endif
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