71 # ifndef I2C_SCL
72 #  define I2C_SCL(bit) \  macro
140 	I2C_SCL(1);  in send_reset()
147 		I2C_SCL(0);  in send_reset()
150 		I2C_SCL(1);  in send_reset()
170 	I2C_SCL(1);  in send_start()
183 	I2C_SCL(0);  in send_stop()
188 	I2C_SCL(1);  in send_stop()
202 	I2C_SCL(0);  in send_ack()
207 	I2C_SCL(1);  in send_ack()
210 	I2C_SCL(0);  in send_ack()
225 		I2C_SCL(0);  in write_byte()
229 		I2C_SCL(1);  in write_byte()
239 	I2C_SCL(0);  in write_byte()
244 	I2C_SCL(1);  in write_byte()
248 	I2C_SCL(0);  in write_byte()
272 		I2C_SCL(0);  in read_byte()
274 		I2C_SCL(1);  in read_byte()