mirror of
https://github.com/openstenoproject/qmk
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72fd49b146
* DC01 initial commit - Addition of directories - Left readme * Initial commit of left half * Initial files for right half * arrow * i2c adjustments * I2C slave and DC01 refractoring - Cleaned up state machine of I2C slave driver - Modified DC01 left to use already pressent I2C master driver - Modified DC01 matrixes * Fixed tabs to spaces * Addition of Numpad * Add keymaps - Orthopad keymap for numpad module - Numpad keymap for numpad module - ISO, ANSI and HHKB version of keymap for right module * Minor matrix.c fixes * Update Readmes
31 lines
No EOL
1.1 KiB
C
Executable file
31 lines
No EOL
1.1 KiB
C
Executable file
/* Library made by: g4lvanix
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* Github repository: https://github.com/g4lvanix/I2C-master-lib
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*/
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#ifndef I2C_MASTER_H
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#define I2C_MASTER_H
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#define I2C_READ 0x01
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#define I2C_WRITE 0x00
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typedef int16_t i2c_status_t;
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#define I2C_STATUS_SUCCESS (0)
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#define I2C_STATUS_ERROR (-1)
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#define I2C_STATUS_TIMEOUT (-2)
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#define I2C_TIMEOUT_IMMEDIATE (0)
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#define I2C_TIMEOUT_INFINITE (0xFFFF)
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void i2c_init(void);
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i2c_status_t i2c_start(uint8_t address, uint16_t timeout);
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i2c_status_t i2c_write(uint8_t data, uint16_t timeout);
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int16_t i2c_read_ack(uint16_t timeout);
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int16_t i2c_read_nack(uint16_t timeout);
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i2c_status_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
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i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout);
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i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
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i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout);
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i2c_status_t i2c_stop(uint16_t timeout);
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#endif // I2C_MASTER_H
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