Diff: hal/i2c_api.h

Revision:

0:38ccae254a29

diff -r 000000000000 -r 38ccae254a29 hal/i2c_api.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hal/i2c_api.h	Sat Oct 18 02:40:17 2014 +0000
@@ -0,0 +1,58 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_I2C_API_H
+#define MBED_I2C_API_H
+
+#include "device.h"
+
+#if DEVICE_I2C
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct i2c_s i2c_t;
+
+enum {
+  I2C_ERROR_NO_SLAVE = -1,
+  I2C_ERROR_BUS_BUSY = -2
+};
+
+void i2c_init         (i2c_t *obj, PinName sda, PinName scl);
+void i2c_frequency    (i2c_t *obj, int hz);
+int  i2c_start        (i2c_t *obj);
+int  i2c_stop         (i2c_t *obj);
+int  i2c_read         (i2c_t *obj, int address, char *data, int length, int stop);
+int  i2c_write        (i2c_t *obj, int address, const char *data, int length, int stop);
+void i2c_reset        (i2c_t *obj);
+int  i2c_byte_read    (i2c_t *obj, int last);
+int  i2c_byte_write   (i2c_t *obj, int data);
+
+#if DEVICE_I2CSLAVE
+void i2c_slave_mode   (i2c_t *obj, int enable_slave);
+int  i2c_slave_receive(i2c_t *obj);
+int  i2c_slave_read   (i2c_t *obj, char *data, int length);
+int  i2c_slave_write  (i2c_t *obj, const char *data, int length);
+void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif