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3cd035d863
Reqrite bitbanging I2C implementation. New code improves stop/start condition handling, and gives more accurate input line level. Introduce intermediate abstraction layer for I2C bitbanging that is not connected via a GPIO port. Signed-off-by: Paul Brook <paul@codesourcery.com>
15 lines
310 B
C
15 lines
310 B
C
#ifndef BITBANG_I2C_H
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#define BITBANG_I2C_H
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#include "i2c.h"
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typedef struct bitbang_i2c_interface bitbang_i2c_interface;
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#define BITBANG_I2C_SDA 0
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#define BITBANG_I2C_SCL 1
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bitbang_i2c_interface *bitbang_i2c_init(i2c_bus *bus);
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int bitbang_i2c_set(bitbang_i2c_interface *i2c, int line, int level);
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#endif
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