Tianhang Ren
ECE4180 Final Project
Dependencies: 4DGL-uLCD-SE DS1820 PinDetect Speaker mbed
Fork of
SousVide
by 
Minsuk Chun
Revision 1:2d86c674a78b, committed 2016-12-04
- Comitter:
- Mcplokqaws
- Date:
- Sun Dec 04 23:10:56 2016 +0000
- Parent:
- 0:03ec282c2908
- Commit message:
- Sous Vide
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/4DGL-uLCD-SE.lib Sun Dec 04 23:10:56 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/4180_1/code/4DGL-uLCD-SE/#2cb1845d7681
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DS1820.lib Sun Dec 04 23:10:56 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Sissors/code/DS1820/#196e9e54b033
--- a/DS18B20.cpp Fri Jan 29 19:01:56 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,86 +0,0 @@
-#include "DS18B20.h"
-#include "DS1Wire.h"
-#include "mbed.h"
-#include <stdint.h>
-
-// Device byte commands over 1-wire serial
-enum COMMANDS { READ_ROM = 0x33, CONVERT = 0x44, READ_SCRATCHPAD = 0xBE, SKIP_ROM = 0xCC };
-
-// device onboard register layout
-typedef struct {
- uint8_t LSB;
- uint8_t MSB;
- uint8_t Th;
- uint8_t Tl;
- uint8_t config;
- uint8_t reserved0xFF;
- uint8_t reserved0xCH;
- uint8_t reserved0x10;
- uint8_t CRC;
-} ScratchPad_t;
-
-
-DigitalOut conversionInProgress(LED4); // conversion in progress
-DigitalOut resetFailure(LED1); // for error reporting
-extern DigitalInOut sensor; // sensor pin
-
-static void inError() {
- while (1) {
- resetFailure = !resetFailure;
- wait(0.2);
- }
-}
-
-void DoConversion() {
- if (Reset(sensor) != 0) {
- inError();
- } else {
- conversionInProgress = 1; // led on
- WriteByte(sensor, SKIP_ROM); // Skip ROM
- WriteByte(sensor, CONVERT); // Convert
- while (ReadBit(sensor) == 0) {
- // wait for conversion to complete
- }
- conversionInProgress = 0; // led off
- }
-}
-
-uint32_t GetTemperature() {
- uint32_t result = 0;
- if (Reset(sensor) != 0) {
- inError();
- } else {
- ScratchPad_t scratchpad;
- WriteByte(sensor, SKIP_ROM); // Skip ROM
- WriteByte(sensor, READ_SCRATCHPAD); // Read Scrachpad
- scratchpad.LSB = ReadByte(sensor);
- scratchpad.MSB = ReadByte(sensor);
- Reset(sensor); // terminate read as we only want temperature
- result = ((scratchpad.MSB << 8) | scratchpad.LSB);
- }
- return result;
-}
-
-ROM_Code_t ReadROM() {
- ROM_Code_t ROM_Code;
- if (Reset(sensor) != 0) {
- inError();
- } else {
-
- WriteByte(sensor, READ_ROM); // Read ROM
- for (uint32_t i = 0; i < 8; ++i) {
- ROM_Code.rom[i] = ReadByte(sensor);
- }
- }
- return ROM_Code;
-}
-
-// temperature is store as 7.4 fixed point format (assuming 12 bit conversion)
-void displayTemperature(Serial& s) {
- DoConversion();
- uint32_t temp = GetTemperature();
- float f = (temp & 0x0F) * 0.0625; // calculate .4 part
- f += (temp >> 4); // add 7.0 part to it
- s.printf("Temp is %2.1fC\n\r", f); // display in 2.1 format
-}
-
--- a/DS18B20.h Fri Jan 29 19:01:56 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,22 +0,0 @@
-#ifndef _DS18B20_
-#define _DS18B20_
-
-#include <stdint.h>
-#include "mbed.h"
-
-// Device Faimly ID and Setial number information
-typedef union {
- uint8_t rom[8];
- struct {
- uint8_t familyCode;
- uint8_t serialNo[6];
- uint8_t CRC;
- } BYTES;
-} ROM_Code_t;
-
-ROM_Code_t ReadROM() ;
-
-// temperature is store as 7.4 fixed point format (assuming 12 bit conversion)
-void displayTemperature(Serial& s) ;
-
-#endif
\ No newline at end of file
--- a/DS1Wire.cpp Fri Jan 29 19:01:56 2010 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-#include "DS1Wire.h"
-#include "mbed.h"
-#include <stdint.h>
-
-// Timing delay for 1-wire serial standard option
-enum DELAY { A = 6, B = 64, C = 60, D = 10, E = 9, F = 55, G = 0, H = 480, I = 70, J = 410 };
-
-
-int Reset(DigitalInOut& pin) {
- pin.output();
- pin = 0; // drive bus low
- wait_us(H);
- pin.input(); // release bus
- wait_us(I);
- uint32_t result = pin; // read bus value
- wait_us(J);
- return result;
-}
-
-void WriteBit(DigitalInOut& pin, uint32_t bit) {
- pin.output();
- if (bit) {
- pin = 0; // drive bus low
- wait_us(A); // delay A
- pin.input(); // release bus
- wait_us(B); // delay B
- } else {
- pin = 0; // drive bus low
- wait_us(C); // delay C
- pin.input(); // release bus
- wait_us(D); // delay D
- }
-}
-
-uint32_t ReadBit(DigitalInOut& pin) {
- uint32_t bit_value;
- pin.output();
- pin = 0; // drive bus low
- wait_us(A); // delay A
- pin.input(); // release bus
- wait_us(E); // delay E
- bit_value = pin; // master sample bus
- wait_us(F);
- return bit_value;
-}
-
-void WriteByte(DigitalInOut& pin, uint32_t byte) {
- for (uint32_t bit = 0; bit < 8; ++bit) {
- WriteBit(pin, byte & 0x01); // lsb to msb
- byte >>= 1; // right shift by 1-bit
- }
-}
-
-uint32_t ReadByte(DigitalInOut& pin) {
- uint32_t byte = 0;
- for (uint32_t bit = 0; bit < 8; ++bit) {
- byte |= (ReadBit(pin) << bit); // Reads lsb to msb
- }
- return byte;
-}
\ No newline at end of file
--- a/DS1Wire.h Fri Jan 29 19:01:56 2010 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,15 +0,0 @@ -#ifndef __DS_1_WIRE__ -#define __DS_1_WIRE__ -#include <stdint.h> -#include "mbed.h" - -int Reset(DigitalInOut& pin); - -void WriteBit(DigitalInOut& pin, uint32_t bit); -uint32_t ReadBit(DigitalInOut& pin); - -void WriteByte(DigitalInOut& pin, uint32_t byte); -uint32_t ReadByte(DigitalInOut& pin); - - -#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/PinDetect.lib Sun Dec 04 23:10:56 2016 +0000 @@ -0,0 +1,1 @@ +http://developer.mbed.org/users/AjK/code/PinDetect/#cb3afc45028b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Speaker.lib Sun Dec 04 23:10:56 2016 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/zchen311/code/Speaker/#41292907c9cb
--- a/main.cpp Fri Jan 29 19:01:56 2010 +0000
+++ b/main.cpp Sun Dec 04 23:10:56 2016 +0000
@@ -1,29 +1,207 @@
#include "mbed.h"
-#include <stdint.h>
-#include "DS18B20.h"
+#include "uLCD_4DGL.h"
+#include "Speaker.h"
+#include "DS1820.h"
+#include "PinDetect.h"
+#include <time.h>
+
+//Program by: Tianhang Ren, Minsuk Chun, Richard Lee
+
+////////////////////////////////////////////////////////
+//Initialize
+///////////////////////////////////////////////////////
-DigitalInOut sensor(p5); // sensor connected to pin 5
+DS1820 probe(p5);
+PinDetect pbUp(p18); // Buttons to raise/lower/enter temperature
+PinDetect pbDown(p19);
+PinDetect pbEnter (p20);
+Serial pc(USBTX, USBRX); // serial comms over usb back to console
+//Timer T;
+DigitalOut myled1(LED1); // On when relay is engaged
+DigitalOut myled2(LED2);
+DigitalOut myled3(LED3);
+DigitalOut myled4(LED4);
+uLCD_4DGL uLCD(p28, p27, p29); // create a global uLCD object
-Ticker timer; // used for our microsec timing
-Serial pc(USBTX, USBRX); // serial comms over usb back to console
+DigitalOut ctrl(p8); //relay control
+
+// setup instance of new Speaker class, mySpeaker using pin 21
+// the pin must be a PWM output pin
+Speaker mySpeaker(p26);
+
+float userTemp = 0; //user desired temperature of device
+int check = 0; //indicates whether enter key is pressed
+float timeCook = 0;
+
-int main() {
- pc.printf("\n\r=====================================================\n\r");
- pc.printf("DS18B20 Configuration\n\r");
- sensor.mode(PullUp);
-
- ROM_Code_t ROM_Code = ReadROM();
- pc.printf("Family code: 0x%X\n\r", ROM_Code.BYTES.familyCode);
- pc.printf("Serial Number: ");
- for (uint32_t i = 6; i != 0; --i) {
- pc.printf("%02X%s", ROM_Code.BYTES.serialNo[i-1], (i != 1)?":":"\r\n");
+////////////////////////////////////////////////////////
+// Initialize pushbuttons
+///////////////////////////////////////////////////////
+
+
+// Callback routine is interrupt activated by a debounced pb1 hit
+void pbUp_hit_callback (void)
+{
+ // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+ myled1 = !myled1;
+ mySpeaker.PlayNote(200.0,0.25,0.1);
+ userTemp++;
+ timeCook +=5; //TODO CHANGE TIME BACK TO 10 INTERVALS
+}
+
+// Callback routine is interrupt activated by a debounced pb2 hit
+void pbDown_hit_callback (void)
+{
+ // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+ myled2 = !myled2;
+ mySpeaker.PlayNote(400.0,0.25,0.1);
+ userTemp--;
+ if (userTemp <=0) {
+ userTemp = 0;
}
- pc.printf("CRC: 0x%X\r\n", ROM_Code.BYTES.CRC);
-
- pc.printf("\n\rRunning temperature conversion...\n\r");
- while (1) {
- displayTemperature(pc);
- wait(10);
- }
+ timeCook-=5;
+ if (timeCook <=0)
+ timeCook=0;
+}
+// Callback routine is interrupt activated by a debounced pb3 hit
+void pbEnter_hit_callback (void)
+{
+ // CODE HERE WILL RUN WHEN INTERUPT IS GENERATED
+ myled3 = !myled3;
+ mySpeaker.PlayNote(800.0,0.10,0.1);
+ mySpeaker.PlayNote(1000.0,0.10,0.1);
+ mySpeaker.PlayNote(1200.0,0.10,0.1);
+ check++;
}
+////////////////////////////////////////////////////////
+// Main method starts here
+////////////////////////////////////////////////////////
+
+int main()
+{
+//setup three SPST push buttons
+ pbUp.mode(PullUp); //add internal pullup resistor
+ pbDown.mode(PullUp);
+ pbEnter.mode(PullUp);
+
+// Delay for initial pullup to take effect
+ wait(.01);
+
+// Setup Interrupt callback functions for a pb hit
+ pbUp.attach_deasserted(&pbUp_hit_callback);
+ pbDown.attach_deasserted(&pbDown_hit_callback);
+ pbEnter.attach_deasserted(&pbEnter_hit_callback);
+
+// Start sampling pb inputs using interrupts
+ pbUp.setSampleFrequency();
+ pbDown.setSampleFrequency();
+ pbEnter.setSampleFrequency();
+
+// pushbuttons now setup and running
+
+////////////////////////////////////////////////////////
+// Ask for temperature and time desired
+////////////////////////////////////////////////////////
+
+ uLCD.printf("Enter desired temperature"); //Ask for desired temperature
+ while(check ==0) { //if check flag is 0, means enter has not been pushed
+ if (pbUp) {
+ uLCD.locate(0,3);
+ uLCD.printf("%4.0f", userTemp);
+ }
+ if (pbDown) {
+ uLCD.locate(0,3);
+ uLCD.printf("%4.0f", userTemp);
+ }
+ }
+
+ float finalTemp = userTemp; //reassign to final temp
+ check = 0;
+ uLCD.cls();
+ uLCD.locate(0,0);
+ timeCook = 0; //reset timeCook
+ uLCD.printf("Enter cooking time"); //Cooking time in minutes
+ while (check == 0) {
+ if (pbUp) {
+ uLCD.locate(0,3);
+ uLCD.printf("%4.0f", timeCook);
+ }
+ if (pbDown) {
+ uLCD.locate(0,3);
+ uLCD.printf("%4.0f", timeCook);
+ }
+ }
+ float finalTime = timeCook *60; //reassign to final time
+ ctrl = 1; // Turn on relay
+ float tempLimit = 0; //intitialize variable to track temperature
+ uLCD.locate(0,0);
+ uLCD.printf("Set Temp (C)", finalTemp); //print set temperature
+ while (tempLimit < (finalTemp + 1)) { //Loop while temperature is 1 degrees over destination
+ probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready
+ tempLimit = probe.temperature();
+ uLCD.locate(0,3);
+ uLCD.printf("It is %3.1foC\r", probe.temperature());
+ wait(1);
+ }
+////////////////////////////////////////////////////////
+// Start cooking with finalized temperatures and time
+////////////////////////////////////////////////////////
+
+ //PLAY SOUND FROM SPEAKER
+ /* T.start(); //Timer start (s)*/
+ float time_remaining = 1;
+ ctrl = 0;
+ uLCD.cls();
+ uLCD.locate(0,0);
+ uLCD.printf("Set Temperature %4.0foC\r", finalTemp);
+ set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37
+ // time_t seconds = time(NULL);
+
+ while(time_remaining > 0) { //Loop while timer has not reached desired time
+ if (tempLimit < (finalTemp - 1)) { //If temperature is 2 degrees C lower than desired, turn relay on
+ ctrl = 1;
+ } else if (tempLimit >= finalTemp) {
+ ctrl = 0;
+ }
+ tempLimit = probe.temperature();
+ probe.convertTemperature(true, DS1820::all_devices); //Start temperature conversion, wait until ready
+ uLCD.locate(0,3);
+ uLCD.printf("It is %3.1foC\r", probe.temperature());
+ uLCD.locate(0,5);
+ time_t seconds = time(NULL); //Cycle RTC
+ time_remaining = finalTime - (seconds - 1256729737);
+
+ if ((time_remaining/3600) >= 1 )
+ uLCD.printf("Time remaining: \n%4.0f hours", time_remaining/3600);
+ else if ((time_remaining/60) >= 1)
+ uLCD.printf("Time remaining: %4.0f minutes", time_remaining/60);
+ else
+ uLCD.printf("Time remaining: %4.0f seconds", time_remaining);
+ }
+
+ ctrl = 0;
+
+ //PLAY SOUND FROM SPEAKER
+ mySpeaker.PlayNote(1567.98,0.25,0.1);
+ mySpeaker.PlayNote(1046.50,0.25,0.1);
+ mySpeaker.PlayNote(1174.66,0.25,0.1);
+ mySpeaker.PlayNote(1318.51,0.25,0.1);
+ mySpeaker.PlayNote(1396.91,0.25,0.1);
+ mySpeaker.PlayNote(1567.98,0.25,0.1);
+ mySpeaker.PlayNote(1046.50,0.25,0.1);
+ mySpeaker.PlayNote(1046.50,0.25,0.1);
+ mySpeaker.PlayNote(1760.00,0.25,0.1);
+ mySpeaker.PlayNote(1396.91,0.25,0.1);
+ mySpeaker.PlayNote(1567.98,0.25,0.1);
+ mySpeaker.PlayNote(1760.00,0.25,0.1);
+ mySpeaker.PlayNote(1975.53,0.25,0.1);
+ mySpeaker.PlayNote(2093.00,0.25,0.1);
+ mySpeaker.PlayNote(1046.50,0.25,0.1);
+ mySpeaker.PlayNote(1046.50,0.25,0.1);
+
+ uLCD.cls();
+ uLCD.locate(0,0);
+ uLCD.printf("Food is ready");
+}
+