/**********************************************************************
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* Copyright: (C)2024 LingYun IoT System Studio
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* Author: GuoWenxue<guowenxue@gmail.com>
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* Description: ISKBoard Hardware Abstract Layer driver
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*
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* ChangeLog:
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* Version Date Author Description
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* V1.0.0 2024.08.29 GuoWenxue Release initial version
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***********************************************************************/
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#include "stm32l4xx_hal.h"
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#ifndef __MISCDEV_H
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#define __MISCDEV_H
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#include <stdio.h>
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/* 定义ON/OFF两个宏，这样在代码中使用比 1/0 更具有可读性 */
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#define OFF 0
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#define ON 1
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/* 定义一个gpio的结构体，用来描述这个引脚的相关信息 */
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typedef struct gpio_s
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{
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const char *name;
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GPIO_TypeDef *group;
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uint16_t pin;
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uint8_t status;
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} gpio_t;
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/*
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*+----------------------+
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*| GPIO Relay API |
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*+----------------------+
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*/
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typedef enum
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{
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Relay1,
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RelayMax,
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} relaynum_t;
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/* Initial relays GPIO port */
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extern int init_relay(void);
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/* Turn $which r to $status(ON/OFF) */
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extern void turn_relay(int which, int status);
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/* Get $which relay current status */
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extern int status_relay(int which);
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/*
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*+----------------------+
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*| GPIO Led API |
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*+----------------------+
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*/
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/* 定义了一个枚举，分别表示RGB三个灯的索引：
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* 枚举的第1个成员,如果没赋值则其值为0，后面的成员值永远是前面成员的值加1.
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*/
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typedef enum
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{
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Led_R, /* 其值为0 */
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Led_G, /* 其值为1 */
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Led_B, /* 其值为2 */
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LedMax,/* 其值为3，刚好是Led的总数 */
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} lednum_t;
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#define BITMASK_ALLLED ((1<<LedMax)-1)
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/* Initial leds GPIO port */
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extern int init_led(void);
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/* Turn $which led to $status(ON/OFF) */
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extern void turn_led(int which, int status);
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/* Toggle $which led status */
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extern void toggle_led(int which);
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/* Blink $which led */
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extern void blink_led(int which, uint32_t interval);
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/* Get $which led current status */
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extern int status_led(int which);
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/*
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*+----------------------------+
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*| ADC noisy & lux sensor API |
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*+----------------------------+
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*/
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enum
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{
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ADCCHN_NOISY,
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ADCCHN_LUX,
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ADCCHN_MAX,
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};
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extern int adc_sample_lux_noisy(uint32_t *lux, uint32_t *noisy);
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/*
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*+----------------------------+
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*| Timer Buzzer/delay API |
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*+----------------------------+
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*/
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/* Max to 60000 us */
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extern void udelay(uint16_t us);
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/* Turn buzzer on for $times */
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extern void beep_start(uint16_t times, uint16_t interval);
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#endif /* __MISCDEV_H */
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