You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.2 KiB
55 lines
1.2 KiB
5 months ago
|
/*
|
||
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2017-09-06 勤为本 first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
// 引脚功能(普通gpio，pwm，复用等)相关接口
|
||
|
|
|
||
|
|
#ifndef __LOONGSON_PIN_H
|
||
|
|
#define __LOONGSON_PIN_H
|
||
|
|
|
||
|
|
|
||
|
|
// 引脚用途
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
PIN_PURPOSE_GPIO = 0, // 引脚用作普通gpio
|
||
|
|
PIN_PURPOSE_OTHER, // 引脚用作其它功能(非gpio)
|
||
|
|
}pin_purpose_t;
|
||
|
|
|
||
|
|
|
||
|
|
// 引脚复用
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
PIN_REMAP_FIRST = 0, // 第一复用
|
||
|
|
PIN_REMAP_SECOND, // 第二复用
|
||
|
|
PIN_REMAP_THIRD, // 第三复用
|
||
|
|
PIN_REMAP_FOURTH, // 第四复用
|
||
|
|
PIN_REMAP_FIFTH, // 第五复用
|
||
|
|
PIN_REMAP_DEFAULT, //缺省复用
|
||
|
|
}pin_remap_t;
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 把指定pin设置为指定用途(普通gpio，非gpio)
|
||
|
|
* @gpio gpio引脚编号
|
||
|
|
* @purpose 用途
|
||
|
|
*/
|
||
|
|
void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose);
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 设置指定pin为第n复用
|
||
|
|
* @gpio gpio编号
|
||
|
|
* @remap 第n复用
|
||
|
|
*/
|
||
|
|
void pin_set_remap(unsigned int gpio, pin_remap_t remap);
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|