Diff: peltier/peltier.cpp

Revision:

7:1d691f81d455

Child:

14:72176f1e4907

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/peltier/peltier.cpp	Fri Apr 11 03:50:38 2014 +0000
@@ -0,0 +1,179 @@
+#include "mbed.h"
+
+#include "TextLCD.h"
+#include "DS18B20.h"
+#include "peltier.h"
+//Serial pc(USBTX, USBRX); // tx, rx
+
+unsigned int peltier_hot_pulsewidth=1000;
+unsigned int peltier_cold_pulsewidth=1000;
+unsigned int peltier_period =1000;
+unsigned int peltier_pulsewidth = 0;
+unsigned int peltier_step = 10;
+
+bool alarm_hi_temp_in=false;
+bool alarm_lo_temp_in=false;
+bool alarm_hi_temp_out=false;
+bool alarm_lo_temp_out=false;
+
+//TextLCD lcd(PTE29, PTE30, PTC12, PTD0, PTD5, PTA13, TextLCD::LCD20x2);   // rs, e, d4-d7 ok
+
+//unsigned int peltier_hot_pulsewidth=1000;
+//unsigned int peltier_cold_pulsewidth=1000;
+//unsigned int peltier_period =1000;
+//unsigned int peltier_pulsewidth = 0;
+//unsigned int peltier_step = 10;
+//bool alarm_hi_temp_in=false;
+//bool alarm_lo_temp_in=false;
+//bool alarm_hi_temp_out=false;
+//bool alarm_lo_temp_out=false;
+float dsen_temp;
+
+unsigned int pwm_cold_peltier(int brightness )
+{
+    if (brightness==1) {
+        peltier_cold_pulsewidth=peltier_cold_pulsewidth+peltier_step;
+        peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
+    };
+    if (brightness==0) {
+        peltier_cold_pulsewidth=peltier_cold_pulsewidth-peltier_step;
+        peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
+    };
+    return peltier_cold_pulsewidth;
+}
+unsigned int pwm_hot_peltier(int brightness)
+{
+    if (brightness==1) {
+        peltier_hot_pulsewidth=peltier_hot_pulsewidth+peltier_step;
+        peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
+    }
+    if (brightness==0) {
+        peltier_hot_pulsewidth=peltier_hot_pulsewidth-peltier_step;
+        peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
+    }
+    return peltier_hot_pulsewidth;
+}
+void peltier(bool fan_in,bool fan_out,bool cold,bool hot,int pwm_procent)
+{
+    sensor.mode(PullUp);
+    dsen_temp=mytemp();
+    //  ROM_Code_t ROM_Code = ReadROM();
+    //  lcd.setCursor(TextLCD::CurOff_BlkOn);
+    //  lcd.locate(0,0);
+    //  lcd.printf("Family code: 0x%X\n\r", ROM_Code.BYTES.familyCode);
+    //  wait(5.0);
+
+    en_drv1=0;//disable
+    en_drv2=0;//disable
+    fan_in_peltier=0;//disable
+    fan_out_peltier=0;//disable
+
+
+    if(fan_in==true) {
+        fan_in_peltier=1;//enable
+    }
+    if(fan_out==true) {
+        fan_out_peltier=1;//enable
+    }
+    if ((cold==true)||(hot==true)) {
+        en_drv1=1;
+        en_drv2=1;
+    }
+
+    if ((cold==true)&&(hot==false)) {
+
+        peltier_cold.period_us(peltier_period);
+        peltier_cold_pulsewidth=pwm_procent*10;
+        peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
+    }
+    if ((hot==true)&&(cold==false)) {
+
+        peltier_hot.period_us(peltier_period);
+        peltier_hot_pulsewidth=pwm_procent*10;
+        peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
+    }
+    //pc.printf("Temp is %2.1fC,dsen temp= %d \n\r", dsen_temp,10);
+
+}
+void pel_c(int pwm)
+{
+    peltier_cold.period_us(peltier_period);
+    peltier_cold_pulsewidth=pwm*10;
+    peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
+
+}
+void pel_h(int pwm)
+{
+    peltier_hot.period_us(peltier_period);
+    peltier_hot_pulsewidth=pwm*10;
+    peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
+}
+void peltier_auto(int degree)
+{
+    sensor.mode(PullUp);
+    en_drv1=1;
+    en_drv2=1;
+    fan_in_peltier=1;//enable
+    fan_out_peltier=1;//enable
+    while(1) {
+
+        dsen_temp=mytemp();
+
+        if (degree>dsen_temp) {
+            pel_h(0);
+            pel_c(100);
+        }
+        if (degree<dsen_temp) {
+            pel_c(0);
+            pel_h(100);
+
+        }
+        if (degree==dsen_temp) {
+            pel_c(0);
+            pel_h(0);
+
+        }
+
+        /*lcd.cls();
+        lcd.locate(0,1);
+        pc.printf("Temp is %2.1fC,dsen temp= %d \n\r", dsen_temp,degree);
+        lcd.printf("Temp is %2.1fC\n\r", dsen_temp);*/
+
+
+
+        //peltier_hot.period_us(peltier_period);
+        //peltier_hot_pulsewidth=1000;//at 50%
+        //pwm_hot_peltier(1);
+        // wait(1.0);
+
+
+
+        /* peltier_cold.period_us(peltier_period);
+         peltier_cold_pulsewidth=peltier_pulsewidth;
+         for (int i=1; i<=100; i++) {
+             pwm_cold_peltier(1);
+             wait (0.1);
+         }
+         for (int i=1; i<=100; i++) {
+             pwm_cold_peltier(0);
+             wait (0.1);
+         }
+         peltier_cold_pulsewidth=10;    // set to 0
+         pwm_cold_peltier(0);           // set to 0
+
+         peltier_hot.period_us(peltier_period);
+         peltier_hot_pulsewidth=peltier_pulsewidth;
+         for (int i=1; i<=100; i++) {
+             pwm_hot_peltier(1);
+             wait (0.1);
+         }
+         for (int i=1; i<=100; i++) {
+             pwm_hot_peltier(0);
+             wait (0.1);
+         }
+         peltier_hot_pulsewidth=10;    // set to 0
+         pwm_hot_peltier(0);           // set to 0
+         */
+    }
+
+}