249 lines
5.7 KiB
C
249 lines
5.7 KiB
C
#include "heater.h"
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#include <stdio.h>
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#include "public.h"
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#include "adc_anychannel_continuousscan_interrupt.h"
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#include "sim_eeprom.h"
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volatile u32 heat_on_delay = 0;
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volatile u32 keep_temp_time = 0;
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volatile u32 temp_time_clok = 0;
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void TIM2_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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RCC_AHBPeriphClockCmd(RCC_AHBENR_GPIOA, ENABLE);
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GPIO_PinAFConfig(GPIOA, GPIO_PinSource2, GPIO_AF_2);
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GPIO_InitStruct.GPIO_Pin = GPIO_Pin_2;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIOA, &GPIO_InitStruct);
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}
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void TIM2_PWM_Init(u16 arr, u16 psc)
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{
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStruct;
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TIM_OCInitTypeDef TIM_OCInitStruct;
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NVIC_InitTypeDef NVIC_StructInit;
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RCC_APB1PeriphClockCmd(RCC_APB1ENR_TIM2, ENABLE);
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TIM_TimeBaseStructInit(&TIM_TimeBaseStruct);
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TIM_TimeBaseStruct.TIM_Period = arr;
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TIM_TimeBaseStruct.TIM_Prescaler = psc;
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TIM_TimeBaseStruct.TIM_ClockDivision = TIM_CKD_DIV1;
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TIM_TimeBaseStruct.TIM_RepetitionCounter = 0;
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TIM_TimeBaseStruct.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStruct);
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//使能TIM2 NVIC中断优先级通道
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NVIC_StructInit.NVIC_IRQChannel = TIM2_IRQn;
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//配置TIM2 NVIC中断优先级
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NVIC_StructInit.NVIC_IRQChannelPriority = 2;
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//使能NVIC中断优先级
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NVIC_StructInit.NVIC_IRQChannelCmd = ENABLE;
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//根据配置的中断优先级参数初始化TIM2中断优先级
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NVIC_Init(&NVIC_StructInit);
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TIM_ClearFlag(TIM2, TIM_FLAG_CC3);
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//使能TIM2向上计时中断
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TIM_ITConfig(TIM2, TIM_IT_CC3, ENABLE);
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TIM_OCStructInit(&TIM_OCInitStruct);
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TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1;
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TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable;
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TIM_OCInitStruct.TIM_Pulse = 0;
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TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High;
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TIM_OC3Init(TIM2, &TIM_OCInitStruct);
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TIM_OC3PreloadConfig(TIM2, TIM_OCPreload_Enable);
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TIM_ForcedOC3Config(TIM2, TIM_ForcedAction_InActive);
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TIM_ARRPreloadConfig(TIM2, ENABLE);
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TIM_CtrlPWMOutputs(TIM2, ENABLE);
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TIM_Cmd(TIM2, ENABLE);
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}
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void Heater_Init(void)
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{
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TIM2_GPIO_Init();
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TIM2_PWM_Init(999,359); //20KHZ 防止异响 200hz 占空比可以调节到999
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}
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void TIM2_IRQHandler(void)
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{
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if(TIM_GetITStatus(TIM2, TIM_IT_CC3) != RESET)
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{
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TIM_ClearITPendingBit(TIM2, TIM_IT_CC3);
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}
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}
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void duty(u8 mode, u16 pwm) // mode : 0 关断 1 开 pwm :占空比（0-1000）
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{
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static unsigned char PWM_1 = 0;
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if(pwm>999)
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pwm = 999;
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switch( mode )
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{
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case 0: // 全关断
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TIM_ForcedOC3Config(TIM2, TIM_OCMode_PWM1);
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TIM_SetCompare3(TIM2, 0);
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PWM_1 = pwm;
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break;
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case 1:
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if( PWM_1 != pwm)
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{
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TIM_ForcedOC3Config(TIM2, TIM_OCMode_PWM1);
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TIM_SetCompare3(TIM2, pwm);
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}
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PWM_1 = pwm;
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break;
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}
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}
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/****************************************
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根据时间找出设定温度 work_temp_up(u32 sleep_time)
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参数：sleep_time ： 运行时间
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*****************************************/
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u16 work_temp_up(u32 sleep_time) // ms
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{
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int i = 0;
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int time_s = sleep_time/1000;
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u8 find_tmep_flag = 0;
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u16 temp = 0;
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//0 350 20 350
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for( i = 0; i < g_work.m_set_other_hot.set_up_num; i ++ )
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{
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if( time_s >= g_work.m_set_other_hot.m_set_up[i]._time)
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{
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temp = g_work.m_set_other_hot.m_set_up[i]._temp;
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find_tmep_flag = 1;
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}
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}
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if( find_tmep_flag == 0 )
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{
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temp = g_work.m_set_other_hot.m_set_up[0]._temp;
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}
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#ifdef _debug_
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//printf(" temp target = %d \n",temp);
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#endif
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return temp;
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}
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void temp_control_new(u16 temp,u8 mod)
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{
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static u32 pwm_buffer = 0;
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static u8 over_heat =0;
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static float last_temp = 0.0;
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if( mod == 0)
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{
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over_heat = 0;
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pwm_buffer = 0;
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last_temp = 0.0;
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duty(0,0);
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temp_time_clok = 0;
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}
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else
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{
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bat_v_delay = 50;
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////////////////////////调试动画使用
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// if(heat_on_delay == 0 && heat_stage == 1)
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// {
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// heat_stage = 2;
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// keep_temp_time = 20000; //抽吸时间二十秒
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// }
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// else if(keep_temp_time==0 && heat_stage == 2 )
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// {
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// heat_stage = 3;
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// }
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// printf("CCR3 = %d \n",TIM_GetCapture3(TIM2));
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if(temp_all<temp && over_heat == 0)
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{
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last_temp = temp_all;
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pwm_buffer = (temp-temp_all)/temp*690+300;//第一次升温需要高PWM，采用pid中比例调整pwm,避免过热
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duty(1,pwm_buffer);
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}
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else if(temp_all<temp && over_heat == 1)
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{
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if(temp_all<= last_temp)
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{
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pwm_buffer = TIM_GetCapture3(TIM2);
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if(pwm_buffer<990)
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{
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duty(1,++pwm_buffer);
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}
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last_temp = temp_all;
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}
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}
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else if(temp_all == temp)
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{
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last_temp = temp_all;
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pwm_buffer = TIM_GetCapture3(TIM2);
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over_heat =1;
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}
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else if(temp_all>temp )
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{
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if(temp_all>=last_temp)
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{
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pwm_buffer = TIM_GetCapture3(TIM2);
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over_heat =1;
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if(pwm_buffer > 50 )
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{
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duty(1,--pwm_buffer);
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}
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last_temp = temp_all;
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}
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}
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if(heat_on_delay == 0 && heat_stage == 1)
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{
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heat_stage = 2;
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keep_temp_time =(g_work.m_set_other_hot.set_all_time - g_work.m_set_other_hot.set_order_time)*1000;
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}
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}
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}
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void heat_control(void)
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{
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u16 temp_buffer;
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if(heat_stage == 0)//没开始升温前初始化需要用到的参数
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{
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heat_on_delay = g_work.m_set_other_hot.set_order_time*1000;//预加热时间设置
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temp_time_clok = 0;
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heat_stage = 1;
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}
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else if(heat_stage == 1)
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{
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temp_buffer = work_temp_up(temp_time_clok);
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temp_control_new(temp_buffer,1);
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}
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else if(heat_stage == 2)
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{
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if(keep_temp_time>10000)//最后十秒进呼吸效果
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{
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temp_buffer = work_temp_up(temp_time_clok);
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temp_control_new(temp_buffer,1);
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}
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else
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{
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heat_stage = 3;
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}
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}
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else if(heat_stage ==3)
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{
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if(keep_temp_time>0)//最后十秒进呼吸效果
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{
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temp_buffer = work_temp_up(temp_time_clok);
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temp_control_new(temp_buffer,1);
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}
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else
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{
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temp_control_new(0,0);
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}
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}
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}
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