handwired/dactyl - Refactor use of legacy i2c implementation (#14344)
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6 changed files with 52 additions and 442 deletions
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#include "quantum.h"
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#include <stdint.h>
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#include <stdbool.h>
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#include "i2cmaster.h"
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#include "i2c_master.h"
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#include <util/delay.h>
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#define I2C_ADDR 0b0100000
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#define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
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#define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
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#define I2C_TIMEOUT 100
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#define IODIRA 0x00 // i/o direction register
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#define IODIRB 0x01
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#define GPPUA 0x0C // GPIO pull-up resistor register
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