-int i2c_write_5(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len);
-int i2c_read_5(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len);
-
-int i2c_write_7(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
- const void *buf1, size_t len1);
-int i2c_read_7(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
- void *buf1, size_t len1);
-
-int i2c_write_9(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
- const void *buf1, size_t len1,
- const void *buf2, size_t len2);
-int i2c_read_9(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
- void *buf1, size_t len1,
- void *buf2, size_t len2);
-
-int i2c_write_11(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
- const void *buf1, size_t len1,
- const void *buf2, size_t len2
- const void *buf3, size_t len3);
-int i2c_read_11(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
- void *buf1, size_t len1,
- void *buf2, size_t len2
- void *buf3, size_t len3);
+void i2c_hw_init(I2c *i2c, int dev, uint32_t clock);
+void i2c_hw_bitbangInit(I2c *i2c, int dev);
+
+void i2c_genericWrite(I2c *i2c, const void *_buf, size_t count);
+void i2c_genericRead(I2c *i2c, void *_buf, size_t count);
+
+INLINE void i2c_start(I2c *i2c, uint16_t slave_addr, size_t size)
+{
+ ASSERT(i2c->vt);
+ ASSERT(i2c->vt->start);
+
+ if (!i2c->errors)
+ ASSERT(i2c->xfer_size == 0);
+
+ i2c->errors = 0;
+ i2c->xfer_size = size;