Jacques Pelletier / Mbed 2 deprecated Reflow_oven_controller

This is a Reflow Oven Controller ported to the mbed platform Original article: http://www.circuitcellar.com/renesas/winners/Abstracts/H3323%20abstract.pdf

Dependencies:   mbed

main.cpp@0:9526e71a200f, 2012-01-15 (annotated)

Committer:
jpelletier
Date:
Sun Jan 15 06:13:50 2012 +0000
Revision:
0:9526e71a200f
This port compiles but I haven\t tested it on hardware yet. There may be some adjustments to the LCD commands to be done.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jpelletier 0:9526e71a200f 1 //-----------------------------------------------------------------------
jpelletier 0:9526e71a200f 2 // reflow oven controller
jpelletier 0:9526e71a200f 3 //
jpelletier 0:9526e71a200f 4 // Version 1.0 - December 2003
jpelletier 0:9526e71a200f 5 //
jpelletier 0:9526e71a200f 6 // ATOM-Pro basic for Renesas '3687
jpelletier 0:9526e71a200f 7 //
jpelletier 0:9526e71a200f 8 // Copyright (name deleted)
jpelletier 0:9526e71a200f 9
jpelletier 0:9526e71a200f 10 // This project is a port from the original basic code for the Basic Micro EVB87
jpelletier 0:9526e71a200f 11 // Renesas evaluation board to the mbed in C.
jpelletier 0:9526e71a200f 12 //
jpelletier 0:9526e71a200f 13 // We use the same setup as the original project:
jpelletier 0:9526e71a200f 14 // For the thermocouple, a AD595 cnnected to one of the analog input of the mbed.
jpelletier 0:9526e71a200f 15 // For the buttons, 3 push buttons connected to ground and pullups.
jpelletier 0:9526e71a200f 16 // For the heater, any driver configuration.
jpelletier 0:9526e71a200f 17 //
jpelletier 0:9526e71a200f 18 // http://www.circuitcellar.com/renesas/winners/Abstracts/H3323%20abstract.pdf
jpelletier 0:9526e71a200f 19 //-----------------------------------------------------------------------
jpelletier 0:9526e71a200f 20
jpelletier 0:9526e71a200f 21 #include "mbed.h"
jpelletier 0:9526e71a200f 22 #include "TextLCD.h"
jpelletier 0:9526e71a200f 23
jpelletier 0:9526e71a200f 24 //TextLCD lcd(p6, p7, p8, p13, p14, p15, p16); // rs, rw, e, d4, d5, d6, d7
jpelletier 0:9526e71a200f 25 TextLCD lcd(p6, p8, p13, p14, p15, p16); // rs, e, d4, d5, d6, d7
jpelletier 0:9526e71a200f 26
jpelletier 0:9526e71a200f 27 // 0 button pressed, 1 button released
jpelletier 0:9526e71a200f 28 DigitalIn IN8(p30);
jpelletier 0:9526e71a200f 29 DigitalIn IN9(p29);
jpelletier 0:9526e71a200f 30 DigitalIn IN10(p28);
jpelletier 0:9526e71a200f 31
jpelletier 0:9526e71a200f 32 // 0 off, 1 on
jpelletier 0:9526e71a200f 33 DigitalOut HeaterOutput(p27);
jpelletier 0:9526e71a200f 34
jpelletier 0:9526e71a200f 35 // Use the USB link as serial port
jpelletier 0:9526e71a200f 36 Serial pc(USBTX, USBRX); // tx, rx
jpelletier 0:9526e71a200f 37
jpelletier 0:9526e71a200f 38 // The 0.0v to 3.3v range of the AnalogIn is represented in software
jpelletier 0:9526e71a200f 39 // as a normalised floating point number from 0.0 to 1.0.
jpelletier 0:9526e71a200f 40 AnalogIn ain(p15);
jpelletier 0:9526e71a200f 41
jpelletier 0:9526e71a200f 42 // AD595 10mv/'C at 3.3V -> 330'C
jpelletier 0:9526e71a200f 43
jpelletier 0:9526e71a200f 44 //=======================================================================
jpelletier 0:9526e71a200f 45 // variables
jpelletier 0:9526e71a200f 46 //=======================================================================
jpelletier 0:9526e71a200f 47
jpelletier 0:9526e71a200f 48 int PreheatSlope; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 49 int DryingTemp; // 20 to 250, °C
jpelletier 0:9526e71a200f 50 int Hysteresis; // 1 to 20, °C
jpelletier 0:9526e71a200f 51 int DryingTime; // 1 to 255, seconds
jpelletier 0:9526e71a200f 52 int HeatingSlope; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 53 int ReflowTemp; // 150 to 255, °C
jpelletier 0:9526e71a200f 54 int ReflowTime; // 1 to 255, seconds
jpelletier 0:9526e71a200f 55 int CoolingSlope; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 56 int Kd; // kd muliplier for pid, in 1/10
jpelletier 0:9526e71a200f 57
jpelletier 0:9526e71a200f 58 char status; // state machine status
jpelletier 0:9526e71a200f 59 int t; // current temperature
jpelletier 0:9526e71a200f 60 int tini; // initial temperature
jpelletier 0:9526e71a200f 61 int tset10; // set temperature times 10
jpelletier 0:9526e71a200f 62 int tset; // set temperature
jpelletier 0:9526e71a200f 63 int remaining_time; // remaining time in s
jpelletier 0:9526e71a200f 64 char heater; // heater on/off
jpelletier 0:9526e71a200f 65 int tprec; // previous temperature
jpelletier 0:9526e71a200f 66 int testim; // estimated future temperature
jpelletier 0:9526e71a200f 67
jpelletier 0:9526e71a200f 68 // Used to toggle between 2 display screens
jpelletier 0:9526e71a200f 69 char dispcycle; // display cycle (0/1/0/1...)
jpelletier 0:9526e71a200f 70
jpelletier 0:9526e71a200f 71 int alow;
jpelletier 0:9526e71a200f 72 int ahigh;
jpelletier 0:9526e71a200f 73
jpelletier 0:9526e71a200f 74 char *lcd_status[] = {
jpelletier 0:9526e71a200f 75 "UpDry ","WtDry ","Drying ","UpFlow ","WtFlow ","Reflow ","Coolng "
jpelletier 0:9526e71a200f 76 };
jpelletier 0:9526e71a200f 77
jpelletier 0:9526e71a200f 78 #define PREHEAT 1
jpelletier 0:9526e71a200f 79 #define WAIT_DRYING 2
jpelletier 0:9526e71a200f 80 #define DRYING 3
jpelletier 0:9526e71a200f 81 #define HEAT 4
jpelletier 0:9526e71a200f 82 #define WAIT_REFLOW 5
jpelletier 0:9526e71a200f 83 #define REFLOW 6
jpelletier 0:9526e71a200f 84 #define COOLING 7
jpelletier 0:9526e71a200f 85
jpelletier 0:9526e71a200f 86 void heater_off(void) {
jpelletier 0:9526e71a200f 87 HeaterOutput = 0;
jpelletier 0:9526e71a200f 88 }
jpelletier 0:9526e71a200f 89
jpelletier 0:9526e71a200f 90 void heater_on(void) {
jpelletier 0:9526e71a200f 91 HeaterOutput = 1;
jpelletier 0:9526e71a200f 92 }
jpelletier 0:9526e71a200f 93
jpelletier 0:9526e71a200f 94 //=======================================================================
jpelletier 0:9526e71a200f 95 // Subroutines
jpelletier 0:9526e71a200f 96 //=======================================================================
jpelletier 0:9526e71a200f 97
jpelletier 0:9526e71a200f 98 // Initialisation
jpelletier 0:9526e71a200f 99 void Init(void) {
jpelletier 0:9526e71a200f 100 // Welcome screen
jpelletier 0:9526e71a200f 101 lcd.cls();
jpelletier 0:9526e71a200f 102 lcd.printf(" REFLOW CONTROL ");
jpelletier 0:9526e71a200f 103 lcd.locate(0,1);
jpelletier 0:9526e71a200f 104 lcd.printf(" V1.0 ");
jpelletier 0:9526e71a200f 105
jpelletier 0:9526e71a200f 106 wait_ms(10);
jpelletier 0:9526e71a200f 107
jpelletier 0:9526e71a200f 108 // Initialize variables to default values
jpelletier 0:9526e71a200f 109 PreheatSlope = 10; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 110 DryingTemp = 100; // 20 to 250, °C
jpelletier 0:9526e71a200f 111 Hysteresis = 5; // 1 to 20, °C
jpelletier 0:9526e71a200f 112 DryingTime = 120; // 1 to 255, seconds
jpelletier 0:9526e71a200f 113 HeatingSlope = 40; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 114 ReflowTemp = 250; // 150 to 255, °C
jpelletier 0:9526e71a200f 115 ReflowTime = 45; // 1 to 255, seconds
jpelletier 0:9526e71a200f 116 CoolingSlope = 20; // 1 to 255, 1/10° per sec
jpelletier 0:9526e71a200f 117 Kd = 10; // 0 to 100, kd multiplier in 1/10
jpelletier 0:9526e71a200f 118 }
jpelletier 0:9526e71a200f 119
jpelletier 0:9526e71a200f 120 void editnum(int *value,int minval,int maxval) {
jpelletier 0:9526e71a200f 121 int v;
jpelletier 0:9526e71a200f 122
jpelletier 0:9526e71a200f 123 v = *value;
jpelletier 0:9526e71a200f 124
jpelletier 0:9526e71a200f 125 do {
jpelletier 0:9526e71a200f 126 wait_ms(200);
jpelletier 0:9526e71a200f 127 lcd.locate(10,0);
jpelletier 0:9526e71a200f 128 lcd.printf("%d ",v);
jpelletier 0:9526e71a200f 129 lcd.locate(0,1);
jpelletier 0:9526e71a200f 130 lcd.printf("[2+][1-] [0:end]");
jpelletier 0:9526e71a200f 131
jpelletier 0:9526e71a200f 132 if (IN9 == 0) {
jpelletier 0:9526e71a200f 133 v--;
jpelletier 0:9526e71a200f 134 if (v < minval) v = minval;
jpelletier 0:9526e71a200f 135 }
jpelletier 0:9526e71a200f 136
jpelletier 0:9526e71a200f 137 if (IN10 == 0) {
jpelletier 0:9526e71a200f 138 v++;
jpelletier 0:9526e71a200f 139 if (v > maxval) v = maxval;
jpelletier 0:9526e71a200f 140 }
jpelletier 0:9526e71a200f 141
jpelletier 0:9526e71a200f 142 } while (IN8 != 0);
jpelletier 0:9526e71a200f 143
jpelletier 0:9526e71a200f 144 *value = v;
jpelletier 0:9526e71a200f 145 }
jpelletier 0:9526e71a200f 146
jpelletier 0:9526e71a200f 147 void UpdateStateMachine(void) {
jpelletier 0:9526e71a200f 148 if (status == 0) return;
jpelletier 0:9526e71a200f 149
jpelletier 0:9526e71a200f 150 switch (status - 1) {
jpelletier 0:9526e71a200f 151 case PREHEAT:
jpelletier 0:9526e71a200f 152 tset10 = tset10 + PreheatSlope;
jpelletier 0:9526e71a200f 153 tset = tset10/10;
jpelletier 0:9526e71a200f 154
jpelletier 0:9526e71a200f 155 if (tset > DryingTemp) {
jpelletier 0:9526e71a200f 156 tset10 = DryingTemp * 10;
jpelletier 0:9526e71a200f 157 status = WAIT_DRYING;
jpelletier 0:9526e71a200f 158 dispcycle = 1;
jpelletier 0:9526e71a200f 159 }
jpelletier 0:9526e71a200f 160 break;
jpelletier 0:9526e71a200f 161
jpelletier 0:9526e71a200f 162 case WAIT_DRYING:
jpelletier 0:9526e71a200f 163 if ((t + Hysteresis) > DryingTemp) {
jpelletier 0:9526e71a200f 164 remaining_time = DryingTime;
jpelletier 0:9526e71a200f 165 status = DRYING;
jpelletier 0:9526e71a200f 166 dispcycle = 1;
jpelletier 0:9526e71a200f 167 }
jpelletier 0:9526e71a200f 168 break;
jpelletier 0:9526e71a200f 169
jpelletier 0:9526e71a200f 170 case DRYING:
jpelletier 0:9526e71a200f 171 if (remaining_time == 0) {
jpelletier 0:9526e71a200f 172 remaining_time = (10 * (ReflowTemp - DryingTemp))/HeatingSlope;
jpelletier 0:9526e71a200f 173 status = HEAT;
jpelletier 0:9526e71a200f 174 dispcycle = 1;
jpelletier 0:9526e71a200f 175 }
jpelletier 0:9526e71a200f 176 break;
jpelletier 0:9526e71a200f 177
jpelletier 0:9526e71a200f 178 case HEAT:
jpelletier 0:9526e71a200f 179 tset10 = tset10 + HeatingSlope;
jpelletier 0:9526e71a200f 180 tset = tset10/10;
jpelletier 0:9526e71a200f 181 if (tset > ReflowTemp) {
jpelletier 0:9526e71a200f 182 tset10 = 10 * ReflowTemp;
jpelletier 0:9526e71a200f 183 status = WAIT_REFLOW;
jpelletier 0:9526e71a200f 184 dispcycle = 1;
jpelletier 0:9526e71a200f 185 }
jpelletier 0:9526e71a200f 186 break;
jpelletier 0:9526e71a200f 187
jpelletier 0:9526e71a200f 188 case WAIT_REFLOW:
jpelletier 0:9526e71a200f 189 if ((t + Hysteresis) > ReflowTemp) {
jpelletier 0:9526e71a200f 190 remaining_time = ReflowTime;
jpelletier 0:9526e71a200f 191 status = REFLOW;
jpelletier 0:9526e71a200f 192 dispcycle = 1;
jpelletier 0:9526e71a200f 193 }
jpelletier 0:9526e71a200f 194 break;
jpelletier 0:9526e71a200f 195
jpelletier 0:9526e71a200f 196 case REFLOW:
jpelletier 0:9526e71a200f 197 if (remaining_time == 0) {
jpelletier 0:9526e71a200f 198 remaining_time = (10 * (ReflowTemp - tini))/CoolingSlope;
jpelletier 0:9526e71a200f 199 status = COOLING;
jpelletier 0:9526e71a200f 200 dispcycle = 1;
jpelletier 0:9526e71a200f 201 }
jpelletier 0:9526e71a200f 202 break;
jpelletier 0:9526e71a200f 203
jpelletier 0:9526e71a200f 204 case COOLING:
jpelletier 0:9526e71a200f 205 tset10 = tset10 - CoolingSlope;
jpelletier 0:9526e71a200f 206 tset = tset10/10;
jpelletier 0:9526e71a200f 207 if (tset < tini) {
jpelletier 0:9526e71a200f 208 tset10 = 10 * tini;
jpelletier 0:9526e71a200f 209 status = 0;
jpelletier 0:9526e71a200f 210 dispcycle = 1;
jpelletier 0:9526e71a200f 211 }
jpelletier 0:9526e71a200f 212 break;
jpelletier 0:9526e71a200f 213
jpelletier 0:9526e71a200f 214 default:
jpelletier 0:9526e71a200f 215 status = 0;
jpelletier 0:9526e71a200f 216 }
jpelletier 0:9526e71a200f 217 }
jpelletier 0:9526e71a200f 218
jpelletier 0:9526e71a200f 219 // Read current temperature
jpelletier 0:9526e71a200f 220 // return temperature in ahigh (degrees) and alow (tens of a degree)
jpelletier 0:9526e71a200f 221 void readtemperature(void) {
jpelletier 0:9526e71a200f 222 long int atemp;
jpelletier 0:9526e71a200f 223 long int a; // temporary
jpelletier 0:9526e71a200f 224 int i;
jpelletier 0:9526e71a200f 225
jpelletier 0:9526e71a200f 226 a = 0;
jpelletier 0:9526e71a200f 227
jpelletier 0:9526e71a200f 228 /* 1000 readings */
jpelletier 0:9526e71a200f 229 for (i=1; i <= 1000; i++) {
jpelletier 0:9526e71a200f 230 atemp = ain * 330; // 3.3V from an AD595 at 10mV/'C -> 330'C
jpelletier 0:9526e71a200f 231 a += atemp;
jpelletier 0:9526e71a200f 232 }
jpelletier 0:9526e71a200f 233 /* a = 1000 * avg temp */
jpelletier 0:9526e71a200f 234 // ex: 300.2 a = 300200
jpelletier 0:9526e71a200f 235
jpelletier 0:9526e71a200f 236 a = a/100; // a = 3002
jpelletier 0:9526e71a200f 237
jpelletier 0:9526e71a200f 238 /* ahigh = */
jpelletier 0:9526e71a200f 239 ahigh = a/10; // ahigh = 300
jpelletier 0:9526e71a200f 240 alow = a - ahigh*10; // alow = 3002 - 3000 = 2
jpelletier 0:9526e71a200f 241 }
jpelletier 0:9526e71a200f 242
jpelletier 0:9526e71a200f 243 void RunMode() {
jpelletier 0:9526e71a200f 244 // initialise run mode
jpelletier 0:9526e71a200f 245 status = 1;
jpelletier 0:9526e71a200f 246 dispcycle = 0;
jpelletier 0:9526e71a200f 247 t = 0;
jpelletier 0:9526e71a200f 248 readtemperature();
jpelletier 0:9526e71a200f 249
jpelletier 0:9526e71a200f 250 t = ahigh;
jpelletier 0:9526e71a200f 251 tini = t;
jpelletier 0:9526e71a200f 252 tset10 = 10*t;
jpelletier 0:9526e71a200f 253 remaining_time = (10*(DryingTemp - t))/PreheatSlope;
jpelletier 0:9526e71a200f 254 heater = 0;
jpelletier 0:9526e71a200f 255
jpelletier 0:9526e71a200f 256 // wait for run button released
jpelletier 0:9526e71a200f 257 while (IN8 == 0);
jpelletier 0:9526e71a200f 258 wait_ms(10);
jpelletier 0:9526e71a200f 259
jpelletier 0:9526e71a200f 260 do {
jpelletier 0:9526e71a200f 261 tprec = t;
jpelletier 0:9526e71a200f 262
jpelletier 0:9526e71a200f 263 // read new temperature
jpelletier 0:9526e71a200f 264 readtemperature();
jpelletier 0:9526e71a200f 265 t = ahigh;
jpelletier 0:9526e71a200f 266
jpelletier 0:9526e71a200f 267 // estimate future temperature using kd
jpelletier 0:9526e71a200f 268 testim = ((10*t) + (t-tprec) * Kd)/10;
jpelletier 0:9526e71a200f 269
jpelletier 0:9526e71a200f 270 tset = tset10/10;
jpelletier 0:9526e71a200f 271
jpelletier 0:9526e71a200f 272 // display screen
jpelletier 0:9526e71a200f 273 lcd.cls();
jpelletier 0:9526e71a200f 274 lcd.printf("Temp:%dC ", ahigh);
jpelletier 0:9526e71a200f 275 lcd.locate(10,0);
jpelletier 0:9526e71a200f 276
jpelletier 0:9526e71a200f 277 if (dispcycle == 1) {
jpelletier 0:9526e71a200f 278 lcd.printf("%d/7",status);
jpelletier 0:9526e71a200f 279 } else {
jpelletier 0:9526e71a200f 280 lcd.puts(lcd_status[status-1]);
jpelletier 0:9526e71a200f 281 }
jpelletier 0:9526e71a200f 282
jpelletier 0:9526e71a200f 283 lcd.locate(0,1);
jpelletier 0:9526e71a200f 284 lcd.printf("Tset:%dC ", tset);
jpelletier 0:9526e71a200f 285 lcd.locate(10,1);
jpelletier 0:9526e71a200f 286 lcd.printf("sec %d", remaining_time);
jpelletier 0:9526e71a200f 287
jpelletier 0:9526e71a200f 288 // decrement time (in seconds, due to the 1 second pause)
jpelletier 0:9526e71a200f 289 if (remaining_time != 0) remaining_time--;
jpelletier 0:9526e71a200f 290
jpelletier 0:9526e71a200f 291 // check if abort requested
jpelletier 0:9526e71a200f 292 if (IN8 == 0) {
jpelletier 0:9526e71a200f 293 status = 0;
jpelletier 0:9526e71a200f 294 heater_off();
jpelletier 0:9526e71a200f 295
jpelletier 0:9526e71a200f 296 // wait for run button released
jpelletier 0:9526e71a200f 297 while (IN8 == 0);
jpelletier 0:9526e71a200f 298 wait_ms(10);
jpelletier 0:9526e71a200f 299 }
jpelletier 0:9526e71a200f 300
jpelletier 0:9526e71a200f 301 UpdateStateMachine();
jpelletier 0:9526e71a200f 302
jpelletier 0:9526e71a200f 303 tset = tset10/10;
jpelletier 0:9526e71a200f 304
jpelletier 0:9526e71a200f 305 // control heater
jpelletier 0:9526e71a200f 306 if (heater == 0) {
jpelletier 0:9526e71a200f 307 if (testim < (tset - Hysteresis)) heater = 1;
jpelletier 0:9526e71a200f 308 }
jpelletier 0:9526e71a200f 309
jpelletier 0:9526e71a200f 310 if (heater == 1) {
jpelletier 0:9526e71a200f 311 if (testim > (tset + Hysteresis)) heater = 0;
jpelletier 0:9526e71a200f 312 }
jpelletier 0:9526e71a200f 313
jpelletier 0:9526e71a200f 314 if (heater == 0)
jpelletier 0:9526e71a200f 315 heater_off();
jpelletier 0:9526e71a200f 316 else
jpelletier 0:9526e71a200f 317 heater_on();
jpelletier 0:9526e71a200f 318
jpelletier 0:9526e71a200f 319 // send current values to uart
jpelletier 0:9526e71a200f 320 pc.printf("S%d,%d,%d,%d\n",tset, t, status, heater);
jpelletier 0:9526e71a200f 321
jpelletier 0:9526e71a200f 322 // wait for 1 second
jpelletier 0:9526e71a200f 323 wait(1);
jpelletier 0:9526e71a200f 324
jpelletier 0:9526e71a200f 325 // next dispcycle
jpelletier 0:9526e71a200f 326 dispcycle = 1 - dispcycle;
jpelletier 0:9526e71a200f 327 } while (status != 0);
jpelletier 0:9526e71a200f 328 }
jpelletier 0:9526e71a200f 329
jpelletier 0:9526e71a200f 330 void ConfigurationMode(void) {
jpelletier 0:9526e71a200f 331 int i;
jpelletier 0:9526e71a200f 332
jpelletier 0:9526e71a200f 333 for (i = 1; i <= 9; i++) {
jpelletier 0:9526e71a200f 334 lcd.cls();
jpelletier 0:9526e71a200f 335 lcd.locate(0,0);
jpelletier 0:9526e71a200f 336
jpelletier 0:9526e71a200f 337 switch (i) {
jpelletier 0:9526e71a200f 338 case 1:
jpelletier 0:9526e71a200f 339 lcd.printf("DrySlope");
jpelletier 0:9526e71a200f 340 editnum(&PreheatSlope,1,255);
jpelletier 0:9526e71a200f 341 break;
jpelletier 0:9526e71a200f 342 case 2:
jpelletier 0:9526e71a200f 343 lcd.printf("DryTemp ");
jpelletier 0:9526e71a200f 344 editnum(&DryingTemp,40,150);
jpelletier 0:9526e71a200f 345 break;
jpelletier 0:9526e71a200f 346 case 3:
jpelletier 0:9526e71a200f 347 lcd.printf("Hysteres");
jpelletier 0:9526e71a200f 348 editnum(&Hysteresis,1,40);
jpelletier 0:9526e71a200f 349 break;
jpelletier 0:9526e71a200f 350 case 4:
jpelletier 0:9526e71a200f 351 lcd.printf("DryTime ");
jpelletier 0:9526e71a200f 352 editnum(&DryingTime,1,255);
jpelletier 0:9526e71a200f 353 break;
jpelletier 0:9526e71a200f 354 case 5:
jpelletier 0:9526e71a200f 355 lcd.printf("HeatSlpe");
jpelletier 0:9526e71a200f 356 editnum(&HeatingSlope,1,255);
jpelletier 0:9526e71a200f 357 break;
jpelletier 0:9526e71a200f 358 case 6:
jpelletier 0:9526e71a200f 359 lcd.printf("FlowTemp");
jpelletier 0:9526e71a200f 360 editnum(&ReflowTemp,120,255);
jpelletier 0:9526e71a200f 361 break;
jpelletier 0:9526e71a200f 362 case 7:
jpelletier 0:9526e71a200f 363 lcd.printf("Flowtime");
jpelletier 0:9526e71a200f 364 editnum(&ReflowTime,1,255);
jpelletier 0:9526e71a200f 365 break;
jpelletier 0:9526e71a200f 366 case 8:
jpelletier 0:9526e71a200f 367 lcd.printf("Coolslop");
jpelletier 0:9526e71a200f 368 editnum(&CoolingSlope,1,255);
jpelletier 0:9526e71a200f 369 break;
jpelletier 0:9526e71a200f 370 case 9:
jpelletier 0:9526e71a200f 371 lcd.printf("Kd ");
jpelletier 0:9526e71a200f 372 editnum(&Kd,0,200);
jpelletier 0:9526e71a200f 373 break;
jpelletier 0:9526e71a200f 374 }
jpelletier 0:9526e71a200f 375 }
jpelletier 0:9526e71a200f 376 }
jpelletier 0:9526e71a200f 377
jpelletier 0:9526e71a200f 378 //=======================================================================
jpelletier 0:9526e71a200f 379 // Main program
jpelletier 0:9526e71a200f 380 //=======================================================================
jpelletier 0:9526e71a200f 381
jpelletier 0:9526e71a200f 382 int main(void) {
jpelletier 0:9526e71a200f 383 // Initialisations
jpelletier 0:9526e71a200f 384 Init();
jpelletier 0:9526e71a200f 385
jpelletier 0:9526e71a200f 386 lcd.cls();
jpelletier 0:9526e71a200f 387
jpelletier 0:9526e71a200f 388 // Main loop
jpelletier 0:9526e71a200f 389 while (1) {
jpelletier 0:9526e71a200f 390 // heater off
jpelletier 0:9526e71a200f 391 heater_off();
jpelletier 0:9526e71a200f 392
jpelletier 0:9526e71a200f 393 // Display current temperature
jpelletier 0:9526e71a200f 394 lcd.locate(0,0);
jpelletier 0:9526e71a200f 395 readtemperature();
jpelletier 0:9526e71a200f 396 lcd.printf("Temp : %d.%dC ", ahigh, alow);
jpelletier 0:9526e71a200f 397 lcd.locate(0,1);
jpelletier 0:9526e71a200f 398
jpelletier 0:9526e71a200f 399 // Display menu
jpelletier 0:9526e71a200f 400 lcd.printf("[1:CONF] [0:RUN]");
jpelletier 0:9526e71a200f 401
jpelletier 0:9526e71a200f 402 wait_ms(10);
jpelletier 0:9526e71a200f 403
jpelletier 0:9526e71a200f 404 // Run button ?
jpelletier 0:9526e71a200f 405 if (IN8 == 0)
jpelletier 0:9526e71a200f 406 RunMode();
jpelletier 0:9526e71a200f 407 else if (IN9 == 0) ConfigurationMode();
jpelletier 0:9526e71a200f 408 }
jpelletier 0:9526e71a200f 409 }