#include "key.h"
#include "main.h"
#include "tmc5160.h"
//#include "oled.h"
#include "delay.h"
#include "app.h"

unsigned char key_i = 0;
unsigned int key_cnt[3] = {0};		//延时用计数
unsigned char key_msg[3] = {0};		//按键事件
unsigned char key_val[3] = {0};		//按键值

#define KEY_CNT 50

void Key_Scan(void) // 扫描K1-K3的状态
{
	key_val[0] = HAL_GPIO_ReadPin(KEY1_GPIO_Port, KEY1_Pin);
	key_val[1] = HAL_GPIO_ReadPin(KEY2_GPIO_Port, KEY2_Pin);	
	key_val[2] = HAL_GPIO_ReadPin(KEY3_GPIO_Port, KEY3_Pin);		
	
	//检测按键
	if(key_i >= 3) key_i = 0;
	if (key_val[key_i] == 0 && key_msg[key_i] == 0)		//按键按下
	{

		key_cnt[key_i]++;		
		if(key_cnt[key_i] > KEY_CNT)
		{
		key_cnt[key_i] = 0;
		key_msg[key_i] = 1;														//按键按下，触发事件1
		}
	}
  
	if (key_val[key_i] == 1 && key_msg[key_i] == 2)		//按键抬起
	{
		key_msg[key_i] = 0;														//完成抬起动作后，再清空事件
		
	}
	
	//按键按顺序增加		
	key_i++;
	if(key_i >= 3) key_i = 0;	
}

void msg_clr()
{
	key_msg[0] = 0;
	key_msg[1] = 0;
	key_msg[2] = 0;
}
//按键功能

void key_act(void)
{
	if(key_msg[0] == 1)					//K1完成按下后
	{
//		tmc5160_sw = 3*(tmc5160_sw != 3);
		
		oled_en = 1;
		
		key_msg[0] = 2;
	}
	
	if(key_msg[1] == 1)					//K2完成按下后
	{
//		tmc5160_sw = 2*(tmc5160_sw == 0)+2*(tmc5160_sw == 3);
		
		if(oled_p == 2)
		{
			oled_s[0] = oled_s[1];
			oled_s[1] = oled_s[1] + (oled_s[1] < 2) - (oled_s[1] == 2);
		}
		
		if(oled_p == 4)//步长调节
		{
			Run_mm = Run_mm - (Run_mm > 1) + 14*(Run_mm == 1);
		}
		
		key_msg[1] = 2;	
	}
	
	if(key_msg[2] == 1)//K3完成按下后
	{
//		tmc5160_sw = (tmc5160_sw == 0);//+(tmc5160_sw == 3);
		if(oled_p == 2)//主界面菜单
		{
			oled_s[0] = oled_s[1];
			oled_s[1] = oled_s[1] -(oled_s[1] >1) + (oled_s[1] == 1);
		}
		
		if(oled_p == 4)//步长调节
		{
			Run_mm = Run_mm + (Run_mm < 15) - 14*(Run_mm == 15);
		}
		
		key_msg[2] = 2;	
	}

}