qemu/hw/bitbang_i2c.h
Paul Brook 3cd035d863 GPIO I2C rework
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>
2009-11-22 21:27:40 +00:00

15 lines
310 B
C

#ifndef BITBANG_I2C_H
#define BITBANG_I2C_H
#include "i2c.h"
typedef struct bitbang_i2c_interface bitbang_i2c_interface;
#define BITBANG_I2C_SDA 0
#define BITBANG_I2C_SCL 1
bitbang_i2c_interface *bitbang_i2c_init(i2c_bus *bus);
int bitbang_i2c_set(bitbang_i2c_interface *i2c, int line, int level);
#endif