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authorDamjan Marion <damarion@cisco.com>2016-12-19 23:05:39 +0100
committerDamjan Marion <damarion@cisco.com>2016-12-28 12:25:14 +0100
commit7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch)
tree5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /src/vlib/i2c.h
parent696f1adec0df3b8f161862566dd9c86174302658 (diff)
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vlib/i2c.h')
-rw-r--r--src/vlib/i2c.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/vlib/i2c.h b/src/vlib/i2c.h
new file mode 100644
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+++ b/src/vlib/i2c.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * 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 included_vlib_i2c_h
+#define included_vlib_i2c_h
+
+#include <vppinfra/types.h>
+
+
+#define I2C_MSG_FLAG_WRITE 0
+#define I2C_MSG_FLAG_READ 1
+
+typedef struct
+{
+ u8 addr;
+ u8 flags;
+ u16 len;
+ u8 *buffer;
+} i2c_msg_t;
+
+typedef struct i2c_bus_t
+{
+ void (*put_bits) (struct i2c_bus_t * b, int scl, int sda);
+ void (*get_bits) (struct i2c_bus_t * b, int *scl, int *sda);
+
+ int timeout;
+ u32 clock;
+ f64 hold_time;
+ f64 rise_fall_time;
+
+ /* Private data */
+ uword private_data;
+
+} i2c_bus_t;
+
+void vlib_i2c_init (i2c_bus_t * bus);
+void vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs);
+void vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr, u16 start_addr,
+ u16 length, u8 * data);
+
+static inline int
+vlib_i2c_bus_timed_out (i2c_bus_t * bus)
+{
+ return bus->timeout;
+}
+
+#endif /* included_vlib_i2c_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */