forked from 0xha0/df_datalink
152 lines
5.0 KiB
C
152 lines
5.0 KiB
C
/***************************************************************************//**
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* @file ad9361_reg.c
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* @brief Implementation of AD9680 Driver.
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* @author DBogdan ([email protected])
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********************************************************************************
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* Copyright 2014-2016(c) Analog Devices, Inc.
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*
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* 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 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 copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Analog Devices, 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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* - The use of this software may or may not infringe the patent rights
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* of one or more patent holders. This license does not release you
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* from the requirement that you obtain separate licenses from these
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* patent holders to use this software.
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* - Use of the software either in source or binary form, must be run
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* on or directly connected to an Analog Devices Inc. component.
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*
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* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (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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/******************************************************************************/
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/***************************** Include Files **********************************/
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/******************************************************************************/
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#include "ad9361_reg.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include "../../../include/error.h"
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/***************************************************************************//**
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* @brief ad9361_reg_read
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*******************************************************************************/
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int32_t ad9361_reg_read(struct ad9361_reg_dev *dev,
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uint16_t reg_addr,
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uint8_t *reg_data)
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{
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uint8_t tx_buf[2];
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uint8_t rx_buf[1];
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int32_t ret;
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tx_buf[0] = reg_addr >> 8;
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tx_buf[1] = reg_addr & 0xFF;
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ret = spi_write_and_read_3wire(dev->spi_desc,
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tx_buf, rx_buf, 2, 1);
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*reg_data = rx_buf[0];
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return ret;
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}
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/***************************************************************************//**
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* @brief ad9361_reg_write
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*******************************************************************************/
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int32_t ad9361_reg_write(struct ad9361_reg_dev *dev,
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uint16_t reg_addr,
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uint8_t reg_data)
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{
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uint8_t buf[3];
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int32_t ret;
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buf[0] = 0x80 | reg_addr >> 8;
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buf[1] = reg_addr & 0xFF;
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buf[2] = reg_data;
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ret = spi_write_and_read_3wire(dev->spi_desc,
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buf, NULL, 3, 0);
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return ret;
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}
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/***************************************************************************//**
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* @brief ad9361_reg_init
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*******************************************************************************/
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int32_t ad9361_reg_init(struct ad9361_reg_dev **device,
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const struct ad9361_reg_init_param *init_param)
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{
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int ret = SUCCESS;
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struct ad9361_reg_dev *dev;
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dev = (struct ad9361_reg_dev *)malloc(sizeof(*dev));
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if (!dev)
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return FAILURE;
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/* SPI */
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ret = spi_init(&dev->spi_desc, init_param->spi_init);
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ret |= gpio_get(&dev->gpio_desc_resetb, init_param->gpio_resetb);
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gpio_direction_output(dev->gpio_desc_resetb, 0);
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ad9361_reg_reset(dev);
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*device = dev;
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return ret;
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}
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/**
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* AD9361 Device Reset
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* @param phy The AD9361 state structure.
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* @return 0 in case of success, negative error code otherwise.
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*/
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int32_t ad9361_reg_reset(struct ad9361_reg_dev *dev)
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{
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if (dev->gpio_desc_resetb) {
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gpio_set_value(dev->gpio_desc_resetb, 0);
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mdelay(10);
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gpio_set_value(dev->gpio_desc_resetb, 1);
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mdelay(10);
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return 0;
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}
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return 0;
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}
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/***************************************************************************//**
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* @brief Free the resources allocated by ad9361_reg_setup().
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*
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* @param dev - The device structure.
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*
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* @return SUCCESS in case of success, negative error code otherwise.
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*******************************************************************************/
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int32_t ad9361_reg_remove(struct ad9361_reg_dev *dev)
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{
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int32_t ret;
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ret = spi_remove(dev->spi_desc);
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free(dev);
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return ret;
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}
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