Plamen Totev / Mbed 2 deprecated peltier

peltier with 2 fans

Dependencies:   mbed TextLCD

peltier/peltier.cpp@4:5213bee8158e, 2014-04-14 (annotated)

Committer:
redplam
Date:
Mon Apr 14 02:15:32 2014 +0000
Revision:
4:5213bee8158e
Parent:
3:0ef2ced1f02d 
myproject;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
redplam 1:3aec489c7366 1 #include "mbed.h"
redplam 1:3aec489c7366 2
redplam 1:3aec489c7366 3 #include "TextLCD.h"
redplam 4:5213bee8158e 4 //#include "DS18B20.h"
redplam 1:3aec489c7366 5 #include "peltier.h"
redplam 4:5213bee8158e 6 //----------------------------------
redplam 4:5213bee8158e 7 #include "DS18B20.h"
redplam 4:5213bee8158e 8 #include "OneWireDefs.h"
redplam 4:5213bee8158e 9
redplam 4:5213bee8158e 10 #define THERMOMETER DS18B20
redplam 4:5213bee8158e 11
redplam 4:5213bee8158e 12 float temp;
redplam 4:5213bee8158e 13 float dsen_temp_in;
redplam 4:5213bee8158e 14 float dsen_temp_out;
redplam 4:5213bee8158e 15 // device( mbed pin )
redplam 4:5213bee8158e 16 THERMOMETER device(PTE0);
redplam 4:5213bee8158e 17
redplam 4:5213bee8158e 18
redplam 4:5213bee8158e 19 //-----------------------------------
redplam 4:5213bee8158e 20 Serial pc(USBTX, USBRX); // tx, rx
redplam 1:3aec489c7366 21
redplam 1:3aec489c7366 22 unsigned int peltier_hot_pulsewidth=1000;
redplam 1:3aec489c7366 23 unsigned int peltier_cold_pulsewidth=1000;
redplam 1:3aec489c7366 24 unsigned int peltier_period =1000;
redplam 1:3aec489c7366 25 unsigned int peltier_pulsewidth = 0;
redplam 1:3aec489c7366 26 unsigned int peltier_step = 10;
redplam 1:3aec489c7366 27
redplam 1:3aec489c7366 28 bool alarm_hi_temp_in=false;
redplam 1:3aec489c7366 29 bool alarm_lo_temp_in=false;
redplam 1:3aec489c7366 30 bool alarm_hi_temp_out=false;
redplam 1:3aec489c7366 31 bool alarm_lo_temp_out=false;
redplam 1:3aec489c7366 32
redplam 1:3aec489c7366 33 TextLCD lcd(PTE29, PTE30, PTC12, PTD0, PTD5, PTA13, TextLCD::LCD20x2); // rs, e, d4-d7 ok
redplam 4:5213bee8158e 34 //DigitalOut backlight(PTD6);
redplam 1:3aec489c7366 35 //unsigned int peltier_hot_pulsewidth=1000;
redplam 1:3aec489c7366 36 //unsigned int peltier_cold_pulsewidth=1000;
redplam 1:3aec489c7366 37 //unsigned int peltier_period =1000;
redplam 1:3aec489c7366 38 //unsigned int peltier_pulsewidth = 0;
redplam 1:3aec489c7366 39 //unsigned int peltier_step = 10;
redplam 1:3aec489c7366 40 //bool alarm_hi_temp_in=false;
redplam 1:3aec489c7366 41 //bool alarm_lo_temp_in=false;
redplam 1:3aec489c7366 42 //bool alarm_hi_temp_out=false;
redplam 1:3aec489c7366 43 //bool alarm_lo_temp_out=false;
redplam 1:3aec489c7366 44 float dsen_temp;
redplam 1:3aec489c7366 45
redplam 4:5213bee8158e 46 void readTemp(int deviceNum)
redplam 4:5213bee8158e 47 {
redplam 4:5213bee8158e 48 temp = device.readTemperature(deviceNum);
redplam 4:5213bee8158e 49 // pc.printf("Device %d is %f\n\r",deviceNum, temp);
redplam 4:5213bee8158e 50 wait(0.5);
redplam 4:5213bee8158e 51 }
redplam 4:5213bee8158e 52 void tempinit(void)
redplam 4:5213bee8158e 53 {
redplam 4:5213bee8158e 54 while (!device.initialize()); // keep calling until it works
redplam 4:5213bee8158e 55
redplam 4:5213bee8158e 56 int deviceCount = device.getDeviceCount();
redplam 4:5213bee8158e 57 pc.printf("Found %d sensors\n\r",deviceCount);
redplam 4:5213bee8158e 58
redplam 4:5213bee8158e 59 device.setResolution(twelveBit);
redplam 4:5213bee8158e 60 }
redplam 1:3aec489c7366 61 unsigned int pwm_cold_peltier(int brightness )
redplam 1:3aec489c7366 62 {
redplam 1:3aec489c7366 63 if (brightness==1) {
redplam 1:3aec489c7366 64 peltier_cold_pulsewidth=peltier_cold_pulsewidth+peltier_step;
redplam 1:3aec489c7366 65 peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
redplam 1:3aec489c7366 66 };
redplam 1:3aec489c7366 67 if (brightness==0) {
redplam 1:3aec489c7366 68 peltier_cold_pulsewidth=peltier_cold_pulsewidth-peltier_step;
redplam 1:3aec489c7366 69 peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
redplam 1:3aec489c7366 70 };
redplam 1:3aec489c7366 71 return peltier_cold_pulsewidth;
redplam 1:3aec489c7366 72 }
redplam 1:3aec489c7366 73 unsigned int pwm_hot_peltier(int brightness)
redplam 1:3aec489c7366 74 {
redplam 1:3aec489c7366 75 if (brightness==1) {
redplam 1:3aec489c7366 76 peltier_hot_pulsewidth=peltier_hot_pulsewidth+peltier_step;
redplam 1:3aec489c7366 77 peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
redplam 1:3aec489c7366 78 }
redplam 1:3aec489c7366 79 if (brightness==0) {
redplam 1:3aec489c7366 80 peltier_hot_pulsewidth=peltier_hot_pulsewidth-peltier_step;
redplam 1:3aec489c7366 81 peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
redplam 1:3aec489c7366 82 }
redplam 1:3aec489c7366 83 return peltier_hot_pulsewidth;
redplam 1:3aec489c7366 84 }
redplam 1:3aec489c7366 85 void peltier(bool fan_in,bool fan_out,bool cold,bool hot,int pwm_procent)
redplam 1:3aec489c7366 86 {
redplam 4:5213bee8158e 87 //tempinit();
redplam 4:5213bee8158e 88 //sensor.mode(PullUp);
redplam 4:5213bee8158e 89 // readTemp(1);
redplam 4:5213bee8158e 90 // dsen_temp_in=temp;
redplam 1:3aec489c7366 91 // ROM_Code_t ROM_Code = ReadROM();
redplam 1:3aec489c7366 92 // lcd.setCursor(TextLCD::CurOff_BlkOn);
redplam 1:3aec489c7366 93 // lcd.locate(0,0);
redplam 1:3aec489c7366 94 // lcd.printf("Family code: 0x%X\n\r", ROM_Code.BYTES.familyCode);
redplam 1:3aec489c7366 95 // wait(5.0);
redplam 1:3aec489c7366 96
redplam 1:3aec489c7366 97 en_drv1=0;//disable
redplam 1:3aec489c7366 98 en_drv2=0;//disable
redplam 1:3aec489c7366 99 fan_in_peltier=0;//disable
redplam 1:3aec489c7366 100 fan_out_peltier=0;//disable
redplam 1:3aec489c7366 101
redplam 1:3aec489c7366 102
redplam 1:3aec489c7366 103 if(fan_in==true) {
redplam 1:3aec489c7366 104 fan_in_peltier=1;//enable
redplam 1:3aec489c7366 105 }
redplam 1:3aec489c7366 106 if(fan_out==true) {
redplam 1:3aec489c7366 107 fan_out_peltier=1;//enable
redplam 1:3aec489c7366 108 }
redplam 1:3aec489c7366 109 if ((cold==true)||(hot==true)) {
redplam 1:3aec489c7366 110 en_drv1=1;
redplam 1:3aec489c7366 111 en_drv2=1;
redplam 1:3aec489c7366 112 }
redplam 1:3aec489c7366 113
redplam 1:3aec489c7366 114 if ((cold==true)&&(hot==false)) {
redplam 1:3aec489c7366 115
redplam 1:3aec489c7366 116 peltier_cold.period_us(peltier_period);
redplam 1:3aec489c7366 117 peltier_cold_pulsewidth=pwm_procent*10;
redplam 1:3aec489c7366 118 peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
redplam 1:3aec489c7366 119 }
redplam 1:3aec489c7366 120 if ((hot==true)&&(cold==false)) {
redplam 1:3aec489c7366 121
redplam 1:3aec489c7366 122 peltier_hot.period_us(peltier_period);
redplam 1:3aec489c7366 123 peltier_hot_pulsewidth=pwm_procent*10;
redplam 1:3aec489c7366 124 peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
redplam 1:3aec489c7366 125 }
redplam 4:5213bee8158e 126
redplam 4:5213bee8158e 127 readTemp(1);
redplam 4:5213bee8158e 128 dsen_temp_in=temp;
redplam 4:5213bee8158e 129 readTemp(0);
redplam 4:5213bee8158e 130 dsen_temp_out=temp;
redplam 4:5213bee8158e 131 pc.printf("inside Temp is %2.1fC, outside temp plate is %2.1fC\n\r", dsen_temp_in,dsen_temp_out);
redplam 4:5213bee8158e 132 lcd.cls();
redplam 4:5213bee8158e 133 lcd.locate(0,1);
redplam 4:5213bee8158e 134 lcd.printf("Temp is %2.1fC\n\r", dsen_temp_in);
redplam 1:3aec489c7366 135
redplam 1:3aec489c7366 136 }
redplam 1:3aec489c7366 137 void pel_c(int pwm)
redplam 1:3aec489c7366 138 {
redplam 1:3aec489c7366 139 peltier_cold.period_us(peltier_period);
redplam 1:3aec489c7366 140 peltier_cold_pulsewidth=pwm*10;
redplam 1:3aec489c7366 141 peltier_cold.pulsewidth_us(peltier_cold_pulsewidth);
redplam 1:3aec489c7366 142
redplam 1:3aec489c7366 143 }
redplam 1:3aec489c7366 144 void pel_h(int pwm)
redplam 1:3aec489c7366 145 {
redplam 1:3aec489c7366 146 peltier_hot.period_us(peltier_period);
redplam 1:3aec489c7366 147 peltier_hot_pulsewidth=pwm*10;
redplam 1:3aec489c7366 148 peltier_hot.pulsewidth_us(peltier_hot_pulsewidth);
redplam 1:3aec489c7366 149 }
redplam 4:5213bee8158e 150 void peltier_auto(float degree){
redplam 4:5213bee8158e 151 //tempinit();
redplam 4:5213bee8158e 152
redplam 4:5213bee8158e 153 // backlight=1;
redplam 4:5213bee8158e 154
redplam 1:3aec489c7366 155 en_drv1=1;
redplam 1:3aec489c7366 156 en_drv2=1;
redplam 1:3aec489c7366 157 fan_in_peltier=1;//enable
redplam 1:3aec489c7366 158 fan_out_peltier=1;//enable
redplam 1:3aec489c7366 159 while(1) {
redplam 1:3aec489c7366 160
redplam 4:5213bee8158e 161 readTemp(1);
redplam 4:5213bee8158e 162 dsen_temp_in=temp;
redplam 1:3aec489c7366 163
redplam 4:5213bee8158e 164 /* (degree>dsen_temp) {
redplam 1:3aec489c7366 165 pel_h(0);
redplam 4:5213bee8158e 166 pel_c(90);
redplam 4:5213bee8158e 167 }*/
redplam 4:5213bee8158e 168 if (degree<dsen_temp_in) {
redplam 1:3aec489c7366 169 pel_c(0);
redplam 4:5213bee8158e 170 pel_h(90);
redplam 1:3aec489c7366 171
redplam 1:3aec489c7366 172 }
redplam 4:5213bee8158e 173 if (degree==dsen_temp_in) {
redplam 1:3aec489c7366 174 pel_c(0);
redplam 1:3aec489c7366 175 pel_h(0);
redplam 1:3aec489c7366 176
redplam 1:3aec489c7366 177 }
redplam 1:3aec489c7366 178
redplam 1:3aec489c7366 179 lcd.cls();
redplam 1:3aec489c7366 180 lcd.locate(0,1);
redplam 4:5213bee8158e 181
redplam 4:5213bee8158e 182 readTemp(1);
redplam 4:5213bee8158e 183 dsen_temp_in=temp;
redplam 4:5213bee8158e 184 readTemp(0);
redplam 4:5213bee8158e 185 dsen_temp_out=temp;
redplam 4:5213bee8158e 186 pc.printf("Temp is %2.1fC,dsen temp= %2.1f , outchamber plate temp =%2.1fC\n\r", dsen_temp_in,degree,dsen_temp_out);
redplam 4:5213bee8158e 187 // lcd.printf("Temp is %2.1fC\n\r", dsen_temp);
redplam 1:3aec489c7366 188
redplam 1:3aec489c7366 189
redplam 1:3aec489c7366 190
redplam 1:3aec489c7366 191 //peltier_hot.period_us(peltier_period);
redplam 1:3aec489c7366 192 //peltier_hot_pulsewidth=1000;//at 50%
redplam 1:3aec489c7366 193 //pwm_hot_peltier(1);
redplam 1:3aec489c7366 194 // wait(1.0);
redplam 1:3aec489c7366 195
redplam 1:3aec489c7366 196
redplam 1:3aec489c7366 197
redplam 1:3aec489c7366 198 /* peltier_cold.period_us(peltier_period);
redplam 1:3aec489c7366 199 peltier_cold_pulsewidth=peltier_pulsewidth;
redplam 1:3aec489c7366 200 for (int i=1; i<=100; i++) {
redplam 1:3aec489c7366 201 pwm_cold_peltier(1);
redplam 1:3aec489c7366 202 wait (0.1);
redplam 1:3aec489c7366 203 }
redplam 1:3aec489c7366 204 for (int i=1; i<=100; i++) {
redplam 1:3aec489c7366 205 pwm_cold_peltier(0);
redplam 1:3aec489c7366 206 wait (0.1);
redplam 1:3aec489c7366 207 }
redplam 1:3aec489c7366 208 peltier_cold_pulsewidth=10; // set to 0
redplam 1:3aec489c7366 209 pwm_cold_peltier(0); // set to 0
redplam 1:3aec489c7366 210
redplam 1:3aec489c7366 211 peltier_hot.period_us(peltier_period);
redplam 1:3aec489c7366 212 peltier_hot_pulsewidth=peltier_pulsewidth;
redplam 1:3aec489c7366 213 for (int i=1; i<=100; i++) {
redplam 1:3aec489c7366 214 pwm_hot_peltier(1);
redplam 1:3aec489c7366 215 wait (0.1);
redplam 1:3aec489c7366 216 }
redplam 1:3aec489c7366 217 for (int i=1; i<=100; i++) {
redplam 1:3aec489c7366 218 pwm_hot_peltier(0);
redplam 1:3aec489c7366 219 wait (0.1);
redplam 1:3aec489c7366 220 }
redplam 1:3aec489c7366 221 peltier_hot_pulsewidth=10; // set to 0
redplam 1:3aec489c7366 222 pwm_hot_peltier(0); // set to 0
redplam 1:3aec489c7366 223 */
redplam 1:3aec489c7366 224 }
redplam 1:3aec489c7366 225
redplam 1:3aec489c7366 226 }