#include "key.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 5

uint8_t com_flag = 0;	//组合键状态，用于描述功能是否已经完成过一次
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_msg[key_i] == 2  &&  key_val[key_i] == 1 )	
	{
		key_msg[key_i] = 0;								//完成对应功能后，再清空事件
	}

	if( (key_val[1] == 1) && (key_val[2] == 1) )
	{
		com_flag = 0;
	}
	
	//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
uint8_t old2new_flag = 0;
int tick_current = -1; 	//当前时刻
int tick_previous = -1;	//计时开始的时刻
void key_act(void)
{
	if(key_val[1] == 1 || key_val[2] == 1) 	//组合键是否按下
	{										//未按下组合键时，执行旧版程序
		if(key_msg[0] == 1)					//K1完成按下后
		{
			oled_en = 1;					//确认标志
			
			key_msg[0] = 2;
		}
		
		if(key_msg[1] == 1)					//K2完成按下后
		{
			switch(oled_p)
			{
				case 2:	//菜单选择
				{
					if( oled_s[0] < 3 )		//0-1-2-3循环
					{
						oled_s[0]++;
					}else
					{
						oled_s[0] = 0;
					}
				}
				break;
				case 4:	//运行模式切换 0-1-2循环
				{
					run_mode_temp[0] = (run_mode_temp[0] - 1) * (run_mode_temp[0] > 0 ) + 2 * (run_mode_temp[0] == 0);
				}
				break;
				case 5:	//运行步长调节，仅限点动模式
				{
					if(run_mode_temp[0] == 0)										//0-15之间循环
					{
						if(step_temp[0] > 1)
						{
							step_temp[0]--;
						}else
						{
							step_temp[0] = 15;
						}
					}
				}
				break;
				case 6:
				{
					direc_temp[0] = 2*(direc_temp[0] == 1) + 1*(direc_temp[0] == 2);//1-2之间循环
				}
				break;
				case 7:	//Cancel & OK 切换
				{
					oled_s_motorok[0] = !oled_s_motorok[0];							//0-1
				}
				break;
				case 9:
				{
					if(smp_intr_temp[0] > 5)										//5-10
					{
						smp_intr_temp[0]--;
					}else
					{
						smp_intr_temp[0] = 10;
					}
				}
				break;
				case 10:
				{
					if(smp_dpth_temp[0] > 10)										//10-20
					{
						smp_dpth_temp[0]--;
					}else
					{
						smp_dpth_temp[0] = 20;
					}
				}
				break;
				case 11:
				{
					oled_s_magnetok[0] = !oled_s_magnetok[0];
				}
				break;
				case 12:
				{
					magnet_select[0] = (magnet_select[0] - 1)*(magnet_select[0] > 0) + 2*(magnet_select[0] == 0);//0-1-2
				}
				break;
				case 13:
				{
					if(magnet_motor_sw != 0)						//无论时1正转还是2反转，按下后都停
					{
						magnet_motor_sw = 0;
					}
					else
					{
						magnet_motor_sw = 2;						//停止状态下切换至反转
					}
				}
				break;
				case 14:
				{
					magnet_s_ok[0] = !magnet_s_ok[0];
				}
				break;
			}

			
			key_msg[1] = 2;	
		}
		
		if(key_msg[2] == 1)//K3完成按下后
		{
			
			switch(oled_p)
			{
				case 2:	//菜单选择
				{
					if( oled_s[0] > 0 )
					{
						oled_s[0]--;
					}else
					{
						oled_s[0] = 3;
					}
				}
				break;
				case 4:	//运行模式切换
				{
					run_mode_temp[0] = (run_mode_temp[0] + 1) * (run_mode_temp[0] < 2);
				}
				break;
				case 5:	//运行步长调节，仅限点动模式
				{
					if(run_mode_temp[0] == 0)
					{
						if(step_temp[0] < 15)
						{
							step_temp[0]++;
						}else
						{
							step_temp[0] = 1;
						}
					}
				}
				break;
				case 6:
				{
					direc_temp[0] = 2*(direc_temp[0] == 1) + 1*(direc_temp[0] == 2);
				}
				break;
				case 7:	//Cancel & OK 切换
				{
					oled_s_motorok[0] = !oled_s_motorok[0];
				}
				break;
				case 9:
				{
					if(smp_intr_temp[0] <10 )
					{
						smp_intr_temp[0]++;
					}else
					{
						smp_intr_temp[0] = 5;
					}
				}
				break;
				case 10:
				{
					if(smp_dpth_temp[0] < 20)
					{
						smp_dpth_temp[0]++;
					}else
					{
						smp_dpth_temp[0] = 10;
					}
				}
				break;
				case 11:
				{
					oled_s_magnetok[0] = !oled_s_magnetok[0];
				}
				break;
				case 12:
				{
					magnet_select[0] = (magnet_select[0] + 1)*(magnet_select[0] < 2);
				}
				break;
				case 13:
				{
					if(magnet_motor_sw != 0)
					{
						magnet_motor_sw = 0;
					}
					else
					{
						magnet_motor_sw = 1;
					}
				}
				break;
				case 14:
				{
					magnet_s_ok[0] = !magnet_s_ok[0];
				}
				break;
			}

			
			key_msg[2] = 2;	
		}
	}else if ( (old2new_flag == 0)&&(com_flag == 0) )						//按下组合键后，执行新版程序
	{
		if(tick_previous == -1)							//开始计时
		{
			tick_previous = tick_500ms;
		}
		tick_current = tick_500ms;
		if( (tick_current - tick_previous) >= 2*3 )		//计时达到 N*500ms后执行功能
		{
		//计时结束，开始执行功能
			if( (key_val[1] == 0) && (key_val[2] == 0) )
			{
				old2new_flag = 1;							//0->1 切换至新版
				disp_new = 0;
				com_flag = 1;
			}else											//计时中途松开
			{
			}
		//功能执行结束
			tick_previous = -1;
			tick_current = -1;
		}else if( (tick_current - tick_previous) < 0 )	//溢出判断，溢出后重新开始下次计时
		{
			tick_previous = -1;
			tick_current = -1;
		}
	}

}

void key_act_new(void)
{
	if(key_val[1] == 1 || key_val[2] == 1) 	//组合键是否按下
	{										//未按下组合键时，执行新版程序
		if(key_msg[0] == 1)		//确认，用于切换运动和停止
		{
			speed_ensure = 1;
			key_msg[0] = 2;
		}
		if(key_msg[1] == 1)		//移动方向切换
		{
			direc_select = !direc_select;
			key_msg[1] = 2;
		}
		if(key_msg[2] == 1)		//速度档位切换
		{
			speed_select = (speed_select >= 4)?(0):(speed_select + 1);
			key_msg[2] = 2;
		}

	}else if ( (old2new_flag == 1)&&(com_flag == 0) )						//按下组合键后，执行旧版程序
	{	
		if(tick_previous == -1)							//开始计时
		{
			tick_previous = tick_500ms;
		}
		tick_current = tick_500ms;
		if( (tick_current - tick_previous) >= 2*3 )		//计时达到 N*500ms后执行功能
		{
		//计时结束，开始执行功能
			if( (key_val[1] == 0) && (key_val[2] == 0) )
			{
				old2new_flag = 0;							//0->1 切换至旧版
				oled_p = 1;
				com_flag = 1;
			}else											//计时中途松开
			{
			}
		//功能执行结束
			tick_previous = -1;
			tick_current = -1;
		}else if( (tick_current - tick_previous) < 0 )	//溢出判断，溢出后重新开始下次计时
		{
			tick_previous = -1;
			tick_current = -1;
		}
	}
}