56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
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/*
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* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <i2c_qup.h>
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#include <blsp_qup.h>
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#define EEPROM_HW_I2C_ADDRESS (0x52)
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void eeprom_read_test()
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{
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struct qup_i2c_dev *dev;
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char ret[100] = {'\0'};
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dev = qup_blsp_i2c_init(BLSP_ID_2, QUP_ID_4, 100000, 19200000);
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if (!dev) {
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dprintf(CRITICAL, "Failed initializing I2c\n");
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return;
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}
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/* Create a i2c_msg buffer, to read from eprom */
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struct i2c_msg msg_buf[] = {
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{EEPROM_HW_I2C_ADDRESS, I2C_M_RD, 100, ret}
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};
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qup_i2c_xfer(dev, msg_buf, 1);
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}
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