diff options
author | Damjan Marion <damarion@cisco.com> | 2016-12-19 23:05:39 +0100 |
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committer | Damjan Marion <damarion@cisco.com> | 2016-12-28 12:25:14 +0100 |
commit | 7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch) | |
tree | 5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /src/vlib/i2c.h | |
parent | 696f1adec0df3b8f161862566dd9c86174302658 (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.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/vlib/i2c.h b/src/vlib/i2c.h new file mode 100644 index 00000000000..b79bdc75b81 --- /dev/null +++ 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: + */ |