driver.c 文件参考

玄武设备栈：CAN收发器：通用型104x/105x系列收发器：驱动 更多...

#include <xwos/standard.h>
#include <xwos/osal/irq.h>
#include <xwcd/ds/soc/gpio.h>
#include <xwcd/ds/soc/eirq.h>
#include <xwcd/ds/can/transceiver.h>
#include <xwcd/peripheral/can/transceiver/xxx10xx/driver.h>

driver.c 的引用(Include)关系图:

浏览源代码.

函数
static xwer_t	xwds_cantrcv_xxx10xx_check_desc (struct xwds_cantrcv_xxx10xx *xxx10xx)
xwer_t	xwds_cantrcv_xxx10xx_drv_probe (struct xwds_device *dev)
	XXX10XX基本驱动：探测设备
xwer_t	xwds_cantrcv_xxx10xx_drv_start (struct xwds_device *dev)
	XXX10XX基本驱动：启动设备
xwer_t	xwds_cantrcv_xxx10xx_drv_stop (struct xwds_device *dev)
	XXX10XX基本驱动：停止设备
xwer_t	xwds_cantrcv_xxx10xx_drv_suspend (struct xwds_device *dev)
	XXX10XX基本驱动：暂停设备
xwer_t	xwds_cantrcv_xxx10xx_drv_resume (struct xwds_device *dev)
	XXX10XX基本驱动：继续设备
xwer_t	xwds_cantrcv_xxx10xx_drv_set_opmode (struct xwds_cantrcv *cantrcv, xwsq_t opmode)
	XXX10XX CAN接收器驱动：设置CAN接收器的运行模式
xwer_t	xwds_cantrcv_xxx10xx_drv_enable_wkup (struct xwds_cantrcv *cantrcv)
	XXX10XX CAN接收器驱动：开启CAN接收器的唤醒
xwer_t	xwds_cantrcv_xxx10xx_drv_disable_wkup (struct xwds_cantrcv *cantrcv)
	XXX10XX CAN接收器驱动：关闭CAN接收器的唤醒
void	xwds_cantrcv_xxx10xx_eirq_wkup (struct xwds_soc *soc, xwid_t eiid, xwds_eirq_arg_t arg)
	XXX10XX中断函数

变量
const struct xwds_cantrcv_driver	xwds_cantrcv_xxx10xx_drv
	XXX10XX的驱动集合

详细描述

玄武设备栈：CAN收发器：通用型104x/105x系列收发器：驱动

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 driver.c 中定义.

函数说明

xwds_cantrcv_xxx10xx_check_desc()

static xwer_t xwds_cantrcv_xxx10xx_check_desc ( struct xwds_cantrcv_xxx10xx *  xxx10xx )

static

<No error

在文件 driver.c 第 49 行定义.

{
        const struct xwds_cantrcv_cfg * cfg;
        xwer_t rc;
 
        cfg = xxx10xx->cantrcv.cfg;
        if (cfg->init_opmode >= XWDS_CANTRCV_OPMODE_NUM) {
                rc = -EINVAL;
        } else {
                rc = XWOK;
        }
        return rc;
}

这是这个函数的调用关系图:

xwds_cantrcv_xxx10xx_drv_disable_wkup()

xwer_t xwds_cantrcv_xxx10xx_drv_disable_wkup

(

struct xwds_cantrcv *

cantrcv

)

XXX10XX CAN接收器驱动：关闭CAN接收器的唤醒

参数

[in]

cantrcv

CAN接收器对象指针

返回

错误码

返回值

XWOK	没有错误
-EFAULT	空指针
-EOPNOTSUPP	不支持此API

注解

• 上下文：中断、中断底半部、线程

在文件 driver.c 第 225 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
        xwsq_t eirq;
        xwer_t rc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, cantrcv);
        gpiorsc = xxx10xx->gpiorsc.eirq;
        eirq = xxx10xx->eirq;
        if (gpiorsc) {
                rc = xwds_eirq_rls(gpiorsc->soc,
                                   gpiorsc->port, gpiorsc->pinmask,
                                   eirq);
        } else {
                rc = -EOPNOTSUPP;
        }
        return rc;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_enable_wkup()

xwer_t xwds_cantrcv_xxx10xx_drv_enable_wkup

(

struct xwds_cantrcv *

cantrcv

)

XXX10XX CAN接收器驱动：开启CAN接收器的唤醒

参数

[in]

cantrcv

CAN接收器对象指针

返回

错误码

返回值

XWOK	没有错误
-EFAULT	空指针
-EOPNOTSUPP	不支持此API

注解

• 上下文：中断、中断底半部、线程

在文件 driver.c 第 202 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
        xwsq_t eirq;
        xwer_t rc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, cantrcv);
        gpiorsc = xxx10xx->gpiorsc.eirq;
        eirq = xxx10xx->eirq;
        if (gpiorsc) {
                rc = xwds_eirq_req(gpiorsc->soc,
                                   gpiorsc->port, gpiorsc->pinmask,
                                   eirq, XWDS_SOC_EIF_TM_FALLING | XWDS_SOC_EIF_WKUP,
                                   xwds_cantrcv_xxx10xx_eirq_wkup, xxx10xx);
        } else {
                rc = -EOPNOTSUPP;
        }
 
        return rc;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_resume()

xwer_t xwds_cantrcv_xxx10xx_drv_resume

(

struct xwds_device *

dev

)

XXX10XX基本驱动：继续设备

<No error

在文件 driver.c 第 148 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
        xwer_t rc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, dev);
        gpiorsc = xxx10xx->gpiorsc.stb;
        if (NULL != gpiorsc) {
                rc = xwds_gpio_req(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
                if (rc < 0) {
                        goto err_gpio_req_stb;
                }
        }
        return XWOK;
 
err_gpio_req_stb:
        return rc;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_set_opmode()

xwer_t xwds_cantrcv_xxx10xx_drv_set_opmode	(	struct xwds_cantrcv *	cantrcv,
		xwsq_t	opmode
	)

XXX10XX CAN接收器驱动：设置CAN接收器的运行模式

参数

[in]	cantrcv	CAN接收器对象指针
[in]	opmode	唤醒模式

返回

错误码

返回值

XWOK	没有错误
-EFAULT	空指针
-ERANGE	不支持的模式

注解

• 上下文：中断、中断底半部、线程

<No error

在文件 driver.c 第 170 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
        xwer_t rc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, cantrcv);
        gpiorsc = xxx10xx->gpiorsc.stb;
        switch (opmode) {
        case XWDS_CANTRCV_OPMODE_NORMAL:
                rc = xwds_gpio_reset(gpiorsc->soc,
                                     gpiorsc->port,
                                     gpiorsc->pinmask);
                if (XWOK == rc) {
                        xxx10xx->cantrcv.wkuprs = XWDS_CANTRCV_WKUPRS_BY_PIN;
                }
                break;
        case XWDS_CANTRCV_OPMODE_SLEEP:
        case XWDS_CANTRCV_OPMODE_STANDBY:
                rc = xwds_gpio_set(gpiorsc->soc,
                                   gpiorsc->port,
                                   gpiorsc->pinmask);
                break;
        default:
                rc = -ERANGE;
                break;
        }
        return rc;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_start()

xwer_t xwds_cantrcv_xxx10xx_drv_start

(

struct xwds_device *

dev

)

XXX10XX基本驱动：启动设备

<No error

在文件 driver.c 第 82 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
        xwer_t rc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, dev);
        gpiorsc = xxx10xx->gpiorsc.stb;
        if (NULL != gpiorsc) {
                rc = xwds_gpio_req(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
                if (rc < 0) {
                        goto err_gpio_req_stb;
                }
        }
        gpiorsc = xxx10xx->gpiorsc.eirq;
        if (NULL != gpiorsc) {
                rc = xwds_gpio_req(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
                if (rc < 0) {
                        goto err_gpio_req_eirq;
                }
        }
        return XWOK;
 
err_gpio_req_eirq:
        gpiorsc = xxx10xx->gpiorsc.stb;
        if (NULL != gpiorsc) {
                xwds_gpio_rls(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
        }
err_gpio_req_stb:
        return rc;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_stop()

xwer_t xwds_cantrcv_xxx10xx_drv_stop

(

struct xwds_device *

dev

)

XXX10XX基本驱动：停止设备

<No error

在文件 driver.c 第 115 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, dev);
        gpiorsc = xxx10xx->gpiorsc.eirq;
        if (NULL != gpiorsc) {
                xwds_gpio_rls(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
        }
        gpiorsc = xxx10xx->gpiorsc.stb;
        if (NULL != gpiorsc) {
                xwds_gpio_rls(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
        }
        return XWOK;
}

函数调用图:

xwds_cantrcv_xxx10xx_drv_suspend()

xwer_t xwds_cantrcv_xxx10xx_drv_suspend

(

struct xwds_device *

dev

)

XXX10XX基本驱动：暂停设备

<No error

在文件 driver.c 第 134 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
        const struct xwds_resource_gpio * gpiorsc;
 
        xxx10xx = xwds_cast(struct xwds_cantrcv_xxx10xx *, dev);
        gpiorsc = xxx10xx->gpiorsc.stb;
        if (NULL != gpiorsc) {
                xwds_gpio_rls(gpiorsc->soc, gpiorsc->port, gpiorsc->pinmask);
        }
        return XWOK;
}

函数调用图:

xwds_cantrcv_xxx10xx_eirq_wkup()

void xwds_cantrcv_xxx10xx_eirq_wkup	(	struct xwds_soc *	soc,
		xwid_t	eiid,
		xwds_eirq_arg_t	arg
	)

XXX10XX中断函数

< 去除未使用变量的警告

在文件 driver.c 第 246 行定义.

{
        struct xwds_cantrcv_xxx10xx * xxx10xx;
 
        XWOS_UNUSED(soc);
        xxx10xx = arg;
        if (eiid == xxx10xx->eirq) {
                xxx10xx->cantrcv.wkuprs = XWDS_CANTRCV_WKUPRS_BY_BUS;
                xwds_cantrcv_drvcb_wakeup_notification(&xxx10xx->cantrcv);
        }
}

函数调用图:

这是这个函数的调用关系图:

变量说明

xwds_cantrcv_xxx10xx_drv

const struct xwds_cantrcv_driver xwds_cantrcv_xxx10xx_drv

初始值:

= {
        .base = {
                .name = "can.transceiver.xxx10xx",
                .probe = xwds_cantrcv_xxx10xx_drv_probe,
                .remove =  ((void *)0) ,
                .start = xwds_cantrcv_xxx10xx_drv_start,
                .stop = xwds_cantrcv_xxx10xx_drv_stop,
 
                .suspend = xwds_cantrcv_xxx10xx_drv_suspend,
                .resume =  xwds_cantrcv_xxx10xx_drv_resume,
 
        },
        .set_opmode = xwds_cantrcv_xxx10xx_drv_set_opmode,
        .enable_wkup = xwds_cantrcv_xxx10xx_drv_enable_wkup,
        .disable_wkup = xwds_cantrcv_xxx10xx_drv_disable_wkup,
}

XXX10XX的驱动集合

在文件 driver.c 第 31 行定义.