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144 lines
5.0 KiB
C
144 lines
5.0 KiB
C
/*
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* Copyright (c) 2022 OpenLuat & AirM2M
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef LUAT_GPIO_H
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#define LUAT_GPIO_H
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#include "luat_base.h"
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#include "luat_gpio_legacy.h"
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/**
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* @defgroup luatos_device 外设接口
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* @{
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*/
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/**
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* @defgroup luatos_device_gpio GPIO接口
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* @{
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*/
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#define LUAT_GPIO_LOW (Luat_GPIO_LOW) ///< GPIO配置为低电平
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#define LUAT_GPIO_HIGH (Luat_GPIO_HIGH) ///< GPIO配置为高电平
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#define LUAT_GPIO_OUTPUT (Luat_GPIO_OUTPUT) ///< GPIO配置为输出模式
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#define LUAT_GPIO_INPUT (Luat_GPIO_INPUT) ///< GPIO配置为输入模式
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#define LUAT_GPIO_IRQ (Luat_GPIO_IRQ) ///< GPIO配置为中断模式
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#define LUAT_GPIO_DEFAULT (Luat_GPIO_DEFAULT) ///< GPIO配置为默认模式,EC618平台，普通的GPIO配置为LUAT_GPIO_DEFAULT，表示完全关闭上下拉；AGPIO软件上不支持配置上下拉，即使配置了也无效，一直是硬件开机或者复位时的默认状态
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#define LUAT_GPIO_PULLUP (Luat_GPIO_PULLUP) ///< GPIO配置为上拉模式
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#define LUAT_GPIO_PULLDOWN (Luat_GPIO_PULLDOWN)///< GPIO配置为下拉模式
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#define LUAT_GPIO_RISING_IRQ (Luat_GPIO_RISING) ///<上升沿中断
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#define LUAT_GPIO_FALLING_IRQ (Luat_GPIO_FALLING)///< 下降沿中断
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#define LUAT_GPIO_BOTH_IRQ (Luat_GPIO_BOTH) ///< 上升沿 下降沿都中断
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#define LUAT_GPIO_HIGH_IRQ (Luat_GPIO_HIGH_IRQ) ///< GPIO配置为高电平中断模式
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#define LUAT_GPIO_LOW_IRQ (Luat_GPIO_LOW_IRQ) ///< GPIO配置为低电平模式
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#define LUAT_GPIO_NO_IRQ (0xff) ///< GPIO没有中断模式
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#define LUAT_GPIO_MAX_ID (Luat_GPIO_MAX_ID) ///< 最大GPIO序号
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/**
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* @brief GPIO控制参数
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*/
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typedef struct luat_gpio_cfg
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{
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int pin; /**<引脚*/
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uint8_t mode;/**<GPIO模式*/
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uint8_t pull;/**<GPIO上下拉模式*/
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uint8_t irq_type;/**<GPIO中断模式*/
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uint8_t output_level;/**<GPIO输出高低电平选择*/
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luat_gpio_irq_cb irq_cb;/**<GPIO中断回调函数*/
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void* irq_args;/**<GPIO中断回调时用户参数*/
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uint8_t alt_fun;/**<有些SOC的GPIO会在不同引脚上被复用，通过alt_fun来确定具体用哪个*/
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} luat_gpio_cfg_t;
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/**
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* @brief GPIO上下拉\中断设置参数
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*/
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typedef enum
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{
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LUAT_GPIO_CMD_SET_PULL_MODE,/**<上下拉模式*/
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LUAT_GPIO_CMD_SET_IRQ_MODE,/**<中断模式*/
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}LUAT_GPIO_CTRL_CMD_E;
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/**
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* @brief GPIO设置默认参数
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* @param luat_gpio_cfg_t
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*/
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void luat_gpio_set_default_cfg(luat_gpio_cfg_t* gpio);
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/**
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* @brief 打开GPIO
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* @param luat_gpio_cfg_t
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*/
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int luat_gpio_open(luat_gpio_cfg_t* gpio);
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/**
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* @brief GPIO输出电平
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* @param Pin Pin序号
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* @param Level 1高电平，0低电平
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*/
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int luat_gpio_set(int pin, int level);
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/**
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* @brief 读取GPIO输入电平
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* @param Pin Pin序号
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* @return 1高电平， 0低电平，其他无效
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*/
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int luat_gpio_get(int pin);
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/**
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* @brief 关闭GPIO
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* @param Pin Pin序号
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*/
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void luat_gpio_close(int pin);
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/**
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* @brief 设置GPIO中断回调函数
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* @param Pin Pin序号
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* @param cb 中断处理函数
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* @param args 中断函数参数
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* @return -1 失败 0 成功
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*/
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int luat_gpio_set_irq_cb(int pin, luat_gpio_irq_cb cb, void* args);
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/**
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* @brief GPIO模拟单线输出模式
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* @param Pin Pin序号
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* @param Data 输出电平序列
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* @param BitLen 输出电平序列中一共有几个bit
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* @param Delay 每个bit之间的delay
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* @return 无
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* @attention 在同一个GPIO输出一组脉冲, 注意, len的单位是bit, 高位在前.
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*/
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void luat_gpio_pulse(int pin, uint8_t *level, uint16_t len, uint16_t delay_ns);
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/**
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* @brief GPIO上下拉\中断单独设置函数
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* @param pin Pin序号
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* @param LUAT_GPIO_CTRL_CMD_E 设置命令 LUAT_GPIO_CMD_SET_PULL_MODE 设置上下拉命令 LUAT_GPIO_CMD_SET_IRQ_MODE
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* @param param 设置参数 参数取自上下拉、以及中断的宏定义
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* @return -1 失败 0 成功
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*/
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int luat_gpio_ctrl(int pin, LUAT_GPIO_CTRL_CMD_E cmd, int param);
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/** @}*/
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/** @}*/
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#endif
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