玄武设备栈：SPI：主机模式控制器更多...

#include <xwcd/ds/standard.h>
#include <xwos/lib/xwlog.h>
#include <xwos/osal/lock/mtx.h>
#include <xwcd/ds/spi/master.h>

master.c 的引用(Include)关系图:

浏览源代码.

函数
static xwer_t	xwds_spim_vop_probe (struct xwds_spim *spim)
	XWDS VOP：探测设备

static xwer_t	xwds_spim_vop_remove (struct xwds_spim *spim)
	XWDS VOP：删除设备

static xwer_t	xwds_spim_vop_start (struct xwds_spim *spim)
	XWDS VOP：启动设备

static xwer_t	xwds_spim_vop_stop (struct xwds_spim *spim)
	XWDS VOP：停止设备

static xwer_t	xwds_spim_vop_suspend (struct xwds_spim *spim)
	XWDS VOP：暂停设备

static xwer_t	xwds_spim_vop_resume (struct xwds_spim *spim)
	XWDS VOP：继续设备

void	xwds_spim_construct (struct xwds_spim *spim)
	XWDS API：SPI主机模式控制器对象的构造函数

void	xwds_spim_destruct (struct xwds_spim *spim)
	XWDS API：SPI主机模式控制器对象的析构函数

xwer_t	xwds_spim_grab (struct xwds_spim *spim)
	XWDS API：增加对象的引用计数

xwer_t	xwds_spim_put (struct xwds_spim *spim)
	XWDS API：减少对象的引用计数

xwer_t	xwds_spim_xfer (struct xwds_spim spim, xwid_t cfgid, const xwu8_t txd[], xwu8_t rxb, xwsz_t *size, xwtm_t to)
	XWDS API：启动SPI总线传输

xwer_t	xwds_spim_abort (struct xwds_spim *spim, xwtm_t to)
	XWDS API：中止SPI总线传输

变量
const struct xwds_virtual_operation	xwds_spim_vop

详细描述

玄武设备栈：SPI：主机模式控制器

作者

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

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 master.c 中定义.

函数说明

◆ xwds_spim_vop_probe()

static xwer_t xwds_spim_vop_probe ( struct xwds_spim * spim )

static

XWDS VOP：探测设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

<No error

在文件 master.c 第 93 行定义.

{
        xwer_t rc;
 
        rc = xwos_mtx_init(&spim->xfer.apimtx, XWOS_SKD_PRIORITY_RT_MIN);
        if (rc < 0) {
                goto err_xfer_apimtx_init;
        }
        rc = xwds_device_vop_probe(&spim->dev);
        if (rc < 0) {
                goto err_dev_probe;
        }
        return XWOK;
 
err_dev_probe:
        xwos_mtx_fini(&spim->xfer.apimtx);
err_xfer_apimtx_init:
        return rc;
}

函数调用图:

◆ xwds_spim_vop_remove()

static xwer_t xwds_spim_vop_remove ( struct xwds_spim * spim )

static

XWDS VOP：删除设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

<No error

在文件 master.c 第 119 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_remove(&spim->dev);
        if (rc < 0) {
                goto err_dev_vop_remove;
        }
        xwos_mtx_fini(&spim->xfer.apimtx);
        return XWOK;
 
err_dev_vop_remove:
        return rc;
}

函数调用图:

◆ xwds_spim_vop_resume()

static xwer_t xwds_spim_vop_resume ( struct xwds_spim * spim )

static

XWDS VOP：继续设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

在文件 master.c 第 184 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_resume(&spim->dev);
        return rc;
}

函数调用图:

◆ xwds_spim_vop_start()

static xwer_t xwds_spim_vop_start ( struct xwds_spim * spim )

static

XWDS VOP：启动设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

在文件 master.c 第 140 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_start(&spim->dev);
        return rc;
}

函数调用图:

◆ xwds_spim_vop_stop()

static xwer_t xwds_spim_vop_stop ( struct xwds_spim * spim )

static

XWDS VOP：停止设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

在文件 master.c 第 154 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_stop(&spim->dev);
        return rc;
}

函数调用图:

◆ xwds_spim_vop_suspend()

static xwer_t xwds_spim_vop_suspend ( struct xwds_spim * spim )

static

XWDS VOP：暂停设备

参数

[in] spim SPI主机模式控制器对象指针

返回: 错误码

在文件 master.c 第 170 行定义.

{
        xwer_t rc;
 
        rc = xwds_device_vop_suspend(&spim->dev);
        return rc;
}

函数调用图:

变量说明

◆ xwds_spim_vop

const struct xwds_virtual_operation xwds_spim_vop

初始值:

= {
        .probe = (void *)xwds_spim_vop_probe,
        .remove = (void *)xwds_spim_vop_remove,
        .start = (void *)xwds_spim_vop_start,
        .stop = (void *)xwds_spim_vop_stop,
 
        .suspend = (void *)xwds_spim_vop_suspend,
        .resume = (void *)xwds_spim_vop_resume,
 
}

在文件 master.c 第 46 行定义.