237 lines
6.2 KiB
C
237 lines
6.2 KiB
C
/********************************************************/
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// CPU需要：STM32F103--RAM内存不小于64K Flash内存不小于128K
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// 本代码已在STM32F103RDT6、VET6测试通过
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// 编辑日期：20150909
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// editor by 小小晟
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// 网店：shop182385147.taobao.com
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/********************************************************/
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#include "stm32f10x_it.h"
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#include "stm32f10x_tim.h"
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#include <stdio.h>
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#include "PLC_Dialogue.h"
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#include "PLC_CONF.H"
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extern void filter(void); //AD转换滤波
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extern u16 PLC_16BIT[12100]; //
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extern u8 p_PLC_16BIT[]; //
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extern u16 After_filter[],phase; //ad转换数据缓冲器
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extern void X_filter(void); //输入X信号滤波1MS一次
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extern void DAC_data(void);
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u16 PLC_RUN_TIME; //扫描时间
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u16 temp[5];
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u16 *p_data_given,*p_value;
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extern bool receive_flag;
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extern u8 Rx_header;
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/*******************************************************************************
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* 函数名 : Delay
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* 描述 : 延时函数(ms)
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* 输入 : d:延时系数，单位为毫秒
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* 输出 : 无
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* 返回 : 无
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* 说明 : 延时是利用Timer2定时器产生的1毫秒的计数来实现的
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*******************************************************************************/
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void Delay(u16 time)
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{
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u16 i=0;
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while(time--)
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{i=12000; while(i--) ; }
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}
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void timer_enable(u16 timer_number)
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{
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p_data_given=PLC_16BIT+0x0900+timer_number; //计数器值地址
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p_value=PLC_16BIT+0x0800+timer_number; //
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if(*p_value<*p_data_given)
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{
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if(PLC_BIT_TEST(0x600+timer_number))
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PLC_BIT_ON(0x3800+timer_number); //复位线圈
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else
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{
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PLC_BIT_OFF(0x600+timer_number); //值小于设定值时OFF
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if(PLC_BIT_TEST(0x3800+timer_number))
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{
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*p_value=0;PLC_BIT_OFF(0x3800+timer_number);
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}
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}
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}
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else
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PLC_BIT_ON(0x600+timer_number); //值到达设定值时ON
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}
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void timer_disble(u16 timer_number)
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{
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p_data_given=PLC_16BIT+0x0900+timer_number; //计数器值地址
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p_value=PLC_16BIT+0x0800+timer_number; //
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PLC_BIT_OFF(0x600+timer_number); //溢出线圈
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PLC_BIT_OFF(0x1600+timer_number); //使能线圈
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PLC_BIT_OFF(0x3800+timer_number); //复位线圈
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*p_data_given=0;
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*p_value=0;
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}
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void T_100MS(void)
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{
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u16 timer_count;
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for(timer_count=0;timer_count<200;timer_count++)
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{
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p_data_given=PLC_16BIT+0x0900+timer_count;
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p_value=PLC_16BIT+0x0800+timer_count;
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if(PLC_BIT_TEST(0x1600+timer_count))//线圈状态
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{
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if(*p_value<*p_data_given) //值状态
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{
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if(PLC_BIT_TEST(0x600+timer_count)) ;
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else *p_value+=1;
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}
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}
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}
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}
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void T_10MS(void)
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{
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u16 timer_count;
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for(timer_count=200;timer_count<246;timer_count++)
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{
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p_data_given=PLC_16BIT+0x0900+timer_count;
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p_value=PLC_16BIT+0x0800+timer_count;
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if(PLC_BIT_TEST(0x1600+timer_count)) //线圈状态
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{
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if(*p_value<*p_data_given) //值状态
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{
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if(PLC_BIT_TEST(0x600+timer_count)) ;
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else *p_value+=1;
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}
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}
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}
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}
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void T_1MS(void)
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{
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u16 timer_count;
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for(timer_count=246;timer_count<250;timer_count++)
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{
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p_data_given=PLC_16BIT+0x0900+timer_count;
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p_value=PLC_16BIT+0x0800+timer_count;
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if(PLC_BIT_TEST(0x1600+timer_count))//线圈状态
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{
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if(*p_value<*p_data_given) //值状态
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{
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if(PLC_BIT_TEST(0x600+timer_count)) ;
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else *p_value+=1;
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}
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}
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}
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}
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void T_H100MS(void)
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{
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u16 timer_count;
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for(timer_count=250;timer_count<256;timer_count++)
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{
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p_data_given=PLC_16BIT+0x0900+timer_count;
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p_value=PLC_16BIT+0x0800+timer_count;
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if(PLC_BIT_TEST(0x1600+timer_count)) //线圈状态
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{
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if(*p_value<*p_data_given) //值状态
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{
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if(PLC_BIT_TEST(0x600+timer_count)) ;
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else *p_value+=1;
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}
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}
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}
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}
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void TIM2_IRQHandler(void)//1ms产生一次中断信号
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{
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static u8 all_clock;
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static u16 minute;
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TIM2->SR=0;
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PLC_RUN_TIME+=10;
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all_clock++;
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X_filter(); //检查X输入状态值
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if(all_clock>99) //m8011 10MS m8012 100MS m8013 1SEC m8014 1minute
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{
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all_clock=0,PLC_BIT_ON(M8012);T_1MS();
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}
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if((all_clock%10)==7) //10ms定时器设计每计五次刷新一次
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{
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T_10MS(),PLC_BIT_OFF(M8011);
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}
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if((all_clock%10)==2)
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{
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PLC_BIT_ON(M8011);
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}
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if(all_clock==50) //两种100MS定时器分开刷新
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T_100MS(),PLC_BIT_OFF(M8012);
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if(all_clock==90) //每100ms秒钟分钟定时器
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{
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T_H100MS(),minute++;
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receive_flag=FALSE; //ADD
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Rx_header=FALSE;
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}
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if((all_clock%0x10)==0x02) //更新一次DAC数据
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{
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DAC_data();
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filter(); //ADC十个毫秒传送更新一次
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}
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if(minute%10==5) //刷新秒钟8013
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PLC_BIT_OFF(M8013);
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if(minute%10==0)
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PLC_BIT_ON(M8013);
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if(minute==300) //刷新分钟8014
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PLC_BIT_OFF(M8014);
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if(minute==0)
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PLC_BIT_ON(M8014);
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if(minute>599)
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minute=0;
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}
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void PLC_Timer(void)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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/* TIM2 clock enable */
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/* ---------------------------------------------------------------
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TIM2配置:输出比较时间模式:
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TIM2CLK = 36 MHz,预定标器= 7200,TIM5计数器时钟= 7.2 MHz
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--------------------------------------------------------------- */
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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/* Time base configuration */
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//这个就是自动装载的计数值，由于计数是从0开始的，计数72次后为71
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TIM_TimeBaseStructure.TIM_Period = 36000;
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// 这个就是预分频系数，当由于为0时表示不分频所以要减1
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TIM_TimeBaseStructure.TIM_Prescaler = 1;
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// 使用的采样频率之间的分频比例
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TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
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//向上计数
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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//初始化定时器2
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
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/* Clear TIM2 update pending flag[清除TIM5溢出中断标志] */
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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/* TIM IT enable */ //打开溢出中断
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
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/* TIM2 enable counter */
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TIM_Cmd(TIM2, ENABLE); //计数器使能，开始工作
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}
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