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ECE4180 Final Project
Dependencies: 4DGL-uLCD-SE DS1820 PinDetect Speaker mbed
Fork of SousVide by
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"); +} +