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Diffstat (limited to 'nuttx/drivers/analog/ad5410.c')
| -rw-r--r-- | nuttx/drivers/analog/ad5410.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/nuttx/drivers/analog/ad5410.c b/nuttx/drivers/analog/ad5410.c deleted file mode 100644 index 3e925a3a9..000000000 --- a/nuttx/drivers/analog/ad5410.c +++ /dev/null @@ -1,205 +0,0 @@ -/************************************************************************************ - * arch/drivers/analog/ad5410.c - * - * Copyright (C) 2011 Li Zhuoyi. All rights reserved. - * Author: Li Zhuoyi <lzyy.cn@gmail.com> - * History: 0.1 2011-08-05 initial version - * - * This file is a part of NuttX: - * - * Copyright (C) 2010 Gregory Nutt. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ************************************************************************************/ - -#include <nuttx/config.h> - -#include <stdio.h> -#include <sys/types.h> -#include <stdint.h> -#include <stdbool.h> -#include <semaphore.h> -#include <errno.h> -#include <debug.h> - -#include <arch/board/board.h> -#include <nuttx/arch.h> -#include <nuttx/analog/dac.h> -#include <nuttx/spi.h> - -#if defined(CONFIG_DAC_AD5410) - -#define AD5410_REG_NOP 0x00 -#define AD5410_REG_WR 0x01 -#define AD5410_REG_RD 0x02 -#define AD5410_REG_CMD 0x55 -#define AD5410_REG_RST 0x56 - -#define AD5410_CMD_REXT (1<<13) -#define AD5410_CMD_OUTEN (1<<12) -#define AD5410_CMD_SRCLK(x) (x<<8) -#define AD5410_CMD_SRSTEP(x) (x<<5) -#define AD5410_CMD_SREN (1<<4) -#define AD5410_CMD_DCEN (1<<3) -#define AD5410_CMD_420MA 0x05 -#define AD5410_CMD_020MA 0x06 -#define AD5410_CMD_024MA 0x07 - -/**************************************************************************** - * ad_private Types - ****************************************************************************/ -struct up_dev_s -{ - int devno; - FAR struct spi_dev_s *spi; /* Cached SPI device reference */ -}; - -/**************************************************************************** - * ad_private Function Prototypes - ****************************************************************************/ - -/* DAC methods */ - -static void dac_reset(FAR struct dac_dev_s *dev); -static int dac_setup(FAR struct dac_dev_s *dev); -static void dac_shutdown(FAR struct dac_dev_s *dev); -static void dac_txint(FAR struct dac_dev_s *dev, bool enable); -static int dac_send(FAR struct dac_dev_s *dev, FAR struct dac_msg_s *msg); -static int dac_ioctl(FAR struct dac_dev_s *dev, int cmd, unsigned long arg); -static int dac_interrupt(int irq, void *context); - -/**************************************************************************** - * ad_private Data - ****************************************************************************/ - -static const struct dac_ops_s g_dacops = -{ - .ao_reset =dac_reset, - .ao_setup = dac_setup, - .ao_shutdown = dac_shutdown, - .ao_txint = dac_txint, - .ao_send = dac_send, - .ao_ioctl = dac_ioctl, -}; - -static struct up_dev_s g_dacpriv; -static struct dac_dev_s g_dacdev = -{ - .ad_ops = &g_dacops, - .ad_priv= &g_dacpriv, -}; - -/**************************************************************************** - * ad_private Functions - ****************************************************************************/ - -/* Reset the DAC device. Called early to initialize the hardware. This -* is called, before ao_setup() and on error conditions. -*/ -static void dac_reset(FAR struct dac_dev_s *dev) -{ - -} - -/* Configure the DAC. This method is called the first time that the DAC -* device is opened. This will occur when the port is first opened. -* This setup includes configuring and attaching DAC interrupts. Interrupts -* are all disabled upon return. -*/ -static int dac_setup(FAR struct dac_dev_s *dev) -{ - FAR struct up_dev_s *priv = (FAR struct up_dev_s *)dev->ad_priv; - FAR struct spi_dev_s *spi = priv->spi; - SPI_SELECT(spi, priv->devno, true); - SPI_SEND(spi,AD5410_REG_CMD); - SPI_SEND(spi,(AD5410_CMD_OUTEN|AD5410_CMD_420MA)>>8); - SPI_SEND(spi,AD5410_CMD_OUTEN|AD5410_CMD_420MA); - SPI_SELECT(spi, priv->devno, false); - return OK; -} - -/* Disable the DAC. This method is called when the DAC device is closed. -* This method reverses the operation the setup method. -*/ -static void dac_shutdown(FAR struct dac_dev_s *dev) -{ -} - -/* Call to enable or disable TX interrupts */ -static void dac_txint(FAR struct dac_dev_s *dev, bool enable) -{ -} - -static int dac_send(FAR struct dac_dev_s *dev, FAR struct dac_msg_s *msg) -{ - FAR struct up_dev_s *priv = (FAR struct up_dev_s *)dev->ad_priv; - FAR struct spi_dev_s *spi = priv->spi; - SPI_SELECT(spi, priv->devno, true); - SPI_SEND(spi,AD5410_REG_WR); - SPI_SEND(spi,(uint8_t)(msg->am_data>>24)); - SPI_SEND(spi,(uint8_t)(msg->am_data>>16)); - SPI_SELECT(spi, priv->devno, false); - dac_txdone(&g_dacdev); - return 0; -} - -/* All ioctl calls will be routed through this method */ -static int dac_ioctl(FAR struct dac_dev_s *dev, int cmd, unsigned long arg) -{ - dbg("Fix me:Not Implemented\n"); - return 0; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: up_ad5410cinitialize - * - * Description: - * Initialize the selected DAC port - * - * Input Parameter: - * Port number (for hardware that has mutiple DAC interfaces) - * - * Returned Value: - * Valid ad5410 device structure reference on succcess; a NULL on failure - * - ****************************************************************************/ - -FAR struct dac_dev_s *up_ad5410initialize(FAR struct spi_dev_s *spi, unsigned int devno) -{ - FAR struct up_dev_s *priv = (FAR struct up_dev_s *)g_dacdev.ad_priv; - priv->spi=spi; - priv->devno=devno; - return &g_dacdev; -} -#endif - |