ce32770251
i2c follows its only use case - the original 82599 driver - into extras/deprecated. cj is/was an emergency debug tool unused in several years. Move to extras/deprecated/vlib Type: refactor Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Ib55b65373f62630db295c562974bd8f2456c3107
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/*
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* Copyright (c) 2016 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef included_vlib_i2c_h
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#define included_vlib_i2c_h
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#include <vppinfra/types.h>
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#define I2C_MSG_FLAG_WRITE 0
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#define I2C_MSG_FLAG_READ 1
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typedef struct
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{
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u8 addr;
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u8 flags;
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u16 len;
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u8 *buffer;
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} i2c_msg_t;
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typedef struct i2c_bus_t
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{
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void (*put_bits) (struct i2c_bus_t * b, int scl, int sda);
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void (*get_bits) (struct i2c_bus_t * b, int *scl, int *sda);
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int timeout;
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u32 clock;
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f64 hold_time;
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f64 rise_fall_time;
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/* Private data */
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uword private_data;
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} i2c_bus_t;
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void vlib_i2c_init (i2c_bus_t * bus);
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void vlib_i2c_xfer (i2c_bus_t * bus, i2c_msg_t * msgs);
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void vlib_i2c_read_eeprom (i2c_bus_t * bus, u8 i2c_addr, u16 start_addr,
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u16 length, u8 * data);
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static inline int
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vlib_i2c_bus_timed_out (i2c_bus_t * bus)
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{
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return bus->timeout;
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}
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#endif /* included_vlib_i2c_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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