peripheral.c 文件参考

玄武设备栈：SPI：外设 更多...

#include <xwcd/ds/standard.h>
#include <xwcd/ds/spi/peripheral.h>

peripheral.c 的引用(Include)关系图:

浏览源代码.

函数
static xwer_t	xwds_spip_vop_probe (struct xwds_spip *spip)
	XWDS VOP：探测设备
static xwer_t	xwds_spip_vop_remove (struct xwds_spip *spip)
	XWDS VOP：删除设备
static xwer_t	xwds_spip_vop_start (struct xwds_spip *spip)
	XWDS VOP：启动设备
static xwer_t	xwds_spip_vop_stop (struct xwds_spip *spip)
	XWDS VOP：停止设备
static xwer_t	xwds_spip_vop_suspend (struct xwds_spip *spip)
	XWDS VOP：暂停设备
static xwer_t	xwds_spip_vop_resume (struct xwds_spip *spip)
	XWDS VOP：继续设备
void	xwds_spip_construct (struct xwds_spip *spip)
	XWDS API：SPI外设控制器对象的构造函数
void	xwds_spip_destruct (struct xwds_spip *spip)
	XWDS API：SPI外设控制器对象的析构函数
xwer_t	xwds_spip_grab (struct xwds_spip *spip)
	XWDS API：增加对象的引用计数
xwer_t	xwds_spip_put (struct xwds_spip *spip)
	XWDS API：减少对象的引用计数

变量
const struct xwds_virtual_operation	xwds_spip_vop

详细描述

玄武设备栈：SPI：外设

作者

• 隐星魂 (Roy Sun) xwos@.nosp@m.xwos.nosp@m..tech

版权所有

• Copyright © 2015 xwos.tech, All Rights Reserved.

  ‍Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0
  

  Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

在文件 peripheral.c 中定义.

函数说明

xwds_spip_vop_probe()

static xwer_t xwds_spip_vop_probe ( struct xwds_spip *  spip )

static

XWDS VOP：探测设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 87 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_probe(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_probe;
        }
        return XWOK;
 
err_dev_vop_probe:
        return rc;
}

函数调用图:

xwds_spip_vop_remove()

static xwer_t xwds_spip_vop_remove ( struct xwds_spip *  spip )

static

XWDS VOP：删除设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 106 行定义.

{
        xwer_t rc;
 
        XWDS_VALIDATE(spip->bus, "nullptr", -EHOSTUNREACH);
 
        rc = xwds_device_vop_remove(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_remove;
        }
        return XWOK;
 
err_dev_vop_remove:
        return rc;
}

函数调用图:

xwds_spip_vop_resume()

static xwer_t xwds_spip_vop_resume ( struct xwds_spip *  spip )

static

XWDS VOP：继续设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 202 行定义.

{
        xwer_t rc;
 
        if (spip->bus) {
                rc = xwds_spim_grab(spip->bus);
        } else {
                rc = -EHOSTUNREACH;
        }
        if (rc < 0) {
                goto err_spim_grab;
        }
        rc = xwds_device_vop_resume(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_resume;
        }
        return XWOK;
 
err_dev_vop_resume:
        xwds_spim_put(spip->bus);
err_spim_grab:
        return rc;
}

函数调用图:

xwds_spip_vop_start()

static xwer_t xwds_spip_vop_start ( struct xwds_spip *  spip )

static

XWDS VOP：启动设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 127 行定义.

{
        xwer_t rc;
 
        if (spip->bus) {
                rc = xwds_spim_grab(spip->bus);
        } else {
                rc = -EHOSTUNREACH;
        }
        if (rc < 0) {
                goto err_spim_grab;
        }
        rc = xwds_device_vop_start(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_start;
        }
        return XWOK;
 
err_dev_vop_start:
        xwds_spim_put(spip->bus);
err_spim_grab:
        return rc;
}

函数调用图:

xwds_spip_vop_stop()

static xwer_t xwds_spip_vop_stop ( struct xwds_spip *  spip )

static

XWDS VOP：停止设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 156 行定义.

{
        xwer_t rc;
 
        XWDS_VALIDATE(spip->bus, "nullptr", -EHOSTUNREACH);
 
        rc = xwds_device_vop_stop(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_stop;
        }
        xwds_spim_put(spip->bus);
        return XWOK;
 
err_dev_vop_stop:
        return rc;
}

函数调用图:

xwds_spip_vop_suspend()

static xwer_t xwds_spip_vop_suspend ( struct xwds_spip *  spip )

static

XWDS VOP：暂停设备

参数

[in]

spip

SPI外设控制器对象指针

<No error

在文件 peripheral.c 第 180 行定义.

{
        xwer_t rc;
 
        XWDS_VALIDATE(spip->bus, "nullptr", -EHOSTUNREACH);
 
        rc = xwds_device_vop_suspend(&spip->dev);
        if (rc < 0) {
                goto err_dev_vop_suspend;
        }
        xwds_spim_put(spip->bus);
        return XWOK;
 
err_dev_vop_suspend:
        return rc;
}

函数调用图:

变量说明

xwds_spip_vop

const struct xwds_virtual_operation xwds_spip_vop

初始值:

= {
        .probe = (void *)xwds_spip_vop_probe,
        .remove = (void *)xwds_spip_vop_remove,
        .start = (void *)xwds_spip_vop_start,
        .stop = (void *)xwds_spip_vop_stop,
 
        .suspend = (void *)xwds_spip_vop_suspend,
        .resume = (void *)xwds_spip_vop_resume,
 
}

在文件 peripheral.c 第 44 行定义.