Kazu Zamasu / Mbed 2 deprecated PreHeater-Rev2

PreHeater firmware product version rev0 include QEI pull up mode include LM26 analog input temperature sensor

Dependencies:   PID QEI SB1602E mbed-rtos mbed

PreHeater product. Final PCB version Rev0 firmware.

Files at this revision

API Documentation at this revision

Revision 0:b2cea429ec0b, committed 2015-07-24

Comitter:
kazu_zamasu
Date:
Fri Jul 24 18:08:18 2015 +0000
Commit message:
ProductPreHeater-Rev0

Changed in this revision

PID.lib Show annotated file Show diff for this revision Revisions of this file
QEI.lib Show annotated file Show diff for this revision Revisions of this file
SB1602E.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed-rtos.lib Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
diff -r 000000000000 -r b2cea429ec0b PID.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PID.lib	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/aberk/code/PID/#6e12a3e5af19

diff -r 000000000000 -r b2cea429ec0b QEI.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QEI.lib	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/kazu_zamasu/code/QEI/#e13e5767d46e

diff -r 000000000000 -r b2cea429ec0b SB1602E.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SB1602E.lib	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/okano/code/SB1602E/#baf578069dfc

diff -r 000000000000 -r b2cea429ec0b main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,156 @@
+/*The MIT License (MIT)
+
+Copyright (c) <2015> <Kazumichi Aoki>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+
+
+#include "mbed.h"
+#include "PID.h"
+#include "math.h"
+#include "SB1602E.h"
+#include "QEI.h"
+#include "rtos.h"
+//GPIO initilaize
+AnalogIn THAI(dp4);
+PwmOut   out(dp18);
+DigitalOut ledR(dp17),ledG(dp25),ledB(dp27);
+InterruptIn RunPB(dp10);
+Serial pc(dp16, dp15); // tx, rx
+
+
+/* PID constant initialize Kc, Ti, Td, interval */
+#define P 0.1 //propotional band
+#define I 1.5 //Integral
+#define D 1.0 //Devide
+#define RATE 0.1 //update time sec
+#define InitialSP 30.0 // Boot Setpoint initial temeprature
+PID TIC(P, I, D, RATE);
+
+/*LCD I2C pin initialize */
+char *init_massage = "Hello!";
+SB1602E lcd(dp5, dp27, init_massage);  //  SDA, SCL
+/*QEI initialize */
+#define ROTATE_PER_REVOLUTIONS  24
+QEI wheel(dp13, dp11, NC, ROTATE_PER_REVOLUTIONS, QEI::X2_ENCODING);
+
+//Initial
+float temp_sv_input = InitialSP, waittime,OV_LL,ticout,qei,Bias;
+bool Run(false);
+double temp_pv,temp_cal;
+int rtostime;
+
+/*PB control*/
+void runmode()
+{
+    Run = !Run;
+}
+
+void cal_temp(void const *argument)
+{
+    while(1) {
+        /*input for change to 0 to 100% range by 30C to 120C */
+        /*Temperature setpoint low high range */
+#define RangeSPL 30.0 //Celcius low side temperature 
+        temp_sv_input = wheel.getPulses() / 20.0 + RangeSPL;
+        if (temp_sv_input <= RangeSPL) {
+            temp_sv_input = RangeSPL;
+#define RangeSPH 100.0 //Celcius high side temperature
+        } else if (temp_sv_input >= RangeSPH) {
+            temp_sv_input = RangeSPH;
+        }
+
+        /*six order polynomial calculation value
+        Thermister pull up resiter 560R
+        Thermister B value 3380K
+        Thermister Resistance 10K ohm at 25C
+        This NTC is NCP18XH103F03RB muRata
+        */
+        temp_cal = THAI.read() * 3.3;
+        temp_pv =-0.7964*pow(temp_cal,6.0) - 2.5431*pow(temp_cal,5.0) +63.605*pow(temp_cal,4.0) - 274.1*pow(temp_cal,3.0) + 522.57*pow(temp_cal,2.0) - 539.26*temp_cal + 405.76;
+
+        /*LCD Display section */
+        /*LCD Display section */
+        lcd.printf(0, "SP %.1f", temp_sv_input);
+        lcd.printf(0, "PV %.1f\n", temp_pv);
+        lcd.printf(1, "OUT %.2f", out.read() * 100);
+        lcd.printf(1, "PB %s\n", Run);
+        /*Tenperature indicater */
+        /* 1.5C high temperature */
+        if (Run == true) {
+            if ((temp_pv - temp_sv_input) >= 1.5) {
+                ledR = 0;
+                ledG = 1;
+                ledB = 1;
+                /* 1.5C low temperature */
+            } else if ((temp_sv_input - temp_pv ) >= 1.5 ) {
+                ledR = 1;
+                ledG = 1;
+                ledB = 0;
+            } else {
+                /* control green */
+                ledR = 1;
+                ledG = 0;
+                ledB = 1;
+            }
+        } else {
+            ledR = 1;
+            ledG = 1;
+            ledB = 1;
+        }
+        Thread::wait(rtostime * 2);
+    }
+}
+
+
+int main()
+{
+    RunPB.mode(PullDown);
+#define LCDCont 0x32 //LCD contrast set from 00 to 3f 64resolution defult set is 32step
+    lcd.contrast(LCDCont);
+    out.period(0.02);
+    RunPB.rise(&runmode);
+    Thread thread(cal_temp);
+    rtostime = RATE * 1000;
+    while (1) {
+        /*PID control*/
+#define SV_LL 0.0 //PID setpoint % value for lo limit
+#define SV_HL 100.0 //PID setpoint % value for high limit
+        TIC.setInputLimits(SV_LL, SV_HL);
+#define OV_LL 0.0 //PID calcurate output value 0.0 = 0%
+#define OV_HL 100.0 //PID calcurate output value 1.0 = 100%
+        if (Run == true) {
+            TIC.setOutputLimits(OV_LL, OV_HL);
+            TIC.setSetPoint(temp_sv_input);
+            TIC.setProcessValue(temp_pv);
+            TIC.setBias(Bias); //control output bias
+            TIC.setMode(1);
+            out = TIC.compute() /100;
+            TIC.setInterval(RATE);
+        } else if (Run == false) {
+            TIC.setMode(0);
+            TIC.reset();
+            out = 0.0;
+        }
+        Thread::wait(rtostime);
+
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r b2cea429ec0b mbed-rtos.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#ef0a22cdf839

diff -r 000000000000 -r b2cea429ec0b mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Fri Jul 24 18:08:18 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/7cff1c4259d7
\ No newline at end of file