89 lines
2.7 KiB
C
Executable File
89 lines
2.7 KiB
C
Executable File
/**
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* @file bus_common.h
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* @author XRADIO IOT WLAN Team
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*/
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/*
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* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. 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
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
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* its 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __BUS_COMMON_H__
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#define __BUS_COMMON_H__
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#include "driver/chip/hal_i2c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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static int axp_i2cdev_read(I2C_ID i2cID, uint16_t i2caddr, uint8_t reg, uint8_t *data, int size)
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{
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int ret;
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ret = HAL_I2C_Master_Transmit_IT(i2cID, i2caddr, ®, size);
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if (ret != size) {
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printf("IIC transmit error %d\r\n", ret);
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HAL_I2C_Busy_Reset(i2cID);
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return -1;
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}
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ret = HAL_I2C_Master_Receive_IT(i2cID, i2caddr, data, size);
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if (ret != size) {
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printf("IIC receive error %d\r\n", ret);
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HAL_I2C_Busy_Reset(i2cID);
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return -1;
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}
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return 0;
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}
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static int axp_i2cdev_write(I2C_ID i2cID, uint16_t i2caddr, uint8_t reg, uint8_t *regdata, int bytenum)
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{
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int ret, i;
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int len = 2;
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uint8_t send_data[2];
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for (i = 0; i < bytenum; i++) {
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send_data[0] = reg + i;
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send_data[1] = *(regdata + i);
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ret = HAL_I2C_Master_Transmit_IT(i2cID, i2caddr, send_data, len);
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if (ret != len) {
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printf("IIC transmit error %d\r\n", ret);
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HAL_I2C_Busy_Reset(i2cID);
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return -1;
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}
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}
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BUS_COMMON_H__ */
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