(DA) Internet of Things and Smart Electronics- ELE3006M2122
Addition of FSM to try and set initial starting temperature for use throughout project. Additional menu option. Joystick input 'bouncing' during FSM use - to be debugged
Dependencies: mbed N5110v02 TMP102 JoystickIoT
Diff: main.cpp
- Revision:
- 8:07323fcab6d1
- Parent:
- 7:d77e95505e43
- Child:
- 9:d71b92c916f8
diff -r d77e95505e43 -r 07323fcab6d1 main.cpp
--- a/main.cpp Fri Jan 14 15:27:19 2022 +0000
+++ b/main.cpp Sun Jan 16 22:46:29 2022 +0000
@@ -31,12 +31,14 @@
DigitalOut g_led(LED_GREEN); // K64F on-board LEDs
DigitalOut b_led(LED_BLUE); // K64F on-board LEDs
-DigitalOut LED01 (PTA1); // PCB Surface Mounted LED's - LED1
-DigitalOut LED02 (PTA2); // PCB Surface Mounted LED's - LED2
-DigitalOut LED03 (PTC2); // PCB Surface Mounted LED's - LED3
-DigitalOut LED04 (PTC3); // PCB Surface Mounted LED's - LED4
-DigitalOut LED05 (PTC4); // PCB Surface Mounted LED's - LED5
-DigitalOut LED06 (PTD3); // PCB Surface Mounted LED's - LED6
+PwmOut LED01 (PTA1); // PCB Surface Mounted LED's - LED1
+PwmOut LED02 (PTA2); // PCB Surface Mounted LED's - LED2
+PwmOut LED03 (PTC2); // PCB Surface Mounted LED's - LED3
+PwmOut LED04 (PTC3); // PCB Surface Mounted LED's - LED4
+PwmOut LED05 (PTC4); // PCB Surface Mounted LED's - LED5
+PwmOut LED06 (PTD3); // PCB Surface Mounted LED's - LED6
+
+PwmOut Buzzer (PTC10); // PCB Surface Mounted Piezo Buzzer
InterruptIn sw2(SW2); // K64F on-board switches
InterruptIn sw3(SW3); // K64F on-board switches
@@ -148,16 +150,18 @@
lcd.printString(" Smart Cold",0,1); // Just a welcome message before auto moving to main menu
lcd.printString(" Storage",0,2); //
lcd.printString(" Monitoring",0,3); //
- lcd.printString("V07 - Jan 2022",0,4); //
+ lcd.printString("V09 - Jan 2022",0,4); //
lcd.printString("--------------",0,5); //
lcd.refresh(); // need to refresh display after setting pixels or writing strings
wait(5.0); // leave welcome screen on for designated amount of time
lcd.clear(); // clear buffer at start of every loop
lcd.refresh(); // need to refresh display after setting pixels or writing strings
- lcd.printString(" Use Joystick",0,0); // Instruction for use of menu
- lcd.printString(" To Navigate",0,1); //
- lcd.printString("",0,2); // Blank Line
- lcd.printString(" A = Select",0,3); //
+ lcd.printString("--------------",0,0); //
+ lcd.printString(" Use Joystick",0,1); // Instruction for use of menu
+ lcd.printString(" To Navigate",0,2); //
+ lcd.printString("",0,3); // Blank Line
+ lcd.printString(" A = Select",0,4); //
+ lcd.printString("--------------",0,5); //
lcd.refresh(); // need to refresh display after setting pixels or writing strings
wait(5.0); //
}
@@ -213,20 +217,20 @@
if(bAButtonWasPressed) // If A was pressed then we transition to the selected screen.
{
- if(SelectedItem == 0)
- {
+ if(SelectedItem == 0) // If 0 line is selected, move to detailed menu
+ { // Actually 0 line + 1, see circle draw and selection below
NewMenuState = MENUSTATE_Monitor;
}
- else if(SelectedItem == 1)
- {
+ else if(SelectedItem == 1) // If 1 line is selected, move to detailed menu
+ { // Actually 1 line + 1, see circle draw and selection below
NewMenuState = MENUSTATE_OneOff;
}
- else if(SelectedItem == 2)
- {
+ else if(SelectedItem == 2) // If 2 line is selected, move to detailed menu
+ { // Actually 2 line + 1, see circle draw and selection below
NewMenuState = MENUSTATE_About;
}
- else if(SelectedItem == 3)
- {
+ else if(SelectedItem == 3) // If 3 line is selected, move to detailed menu
+ { // Actually 3 line + 1, see circle draw and selection below
NewMenuState = MENUSTATE_Author;
}
}
@@ -235,7 +239,7 @@
case MENUSTATE_Monitor:
{
- NumMenuItems = 1; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc.
+ NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
if(SelectedItem >= NumMenuItems)
{
@@ -250,7 +254,19 @@
lcd.printString(buffer,0,3); // display on screen
lcd.printString(" 'A' to Menu",0,5);
lcd.refresh(); // need to refresh display after setting pixels or writing strings
- wait(0.5);
+ wait(0.5);
+
+ float high_temp = tmp102.get_temperature(); // read temperature
+ if (high_temp >= 22) { // High temp alarm condition - in real world would be lot lower!!
+ LED01 = 0; // Light LED01 if temperature is over specified
+ LED02 = 0; // Light LED02 if temperature is over specified
+ LED03 = 0; // Light LED03 if temperature is over specified
+ }
+ else {
+ LED01 = 1; // LED01 off if temperature is below specified
+ LED02 = 1; // LED01 off if temperature is below specified
+ LED03 = 1; // LED01 off if temperature is below specified
+ }
if(bAButtonWasPressed)
{
@@ -264,22 +280,25 @@
case MENUSTATE_OneOff:
{
- NumMenuItems = 1; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc.
+ NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
if(SelectedItem >= NumMenuItems)
{
NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
}
- lcd.printString("-- One-off --",0,0);
- lcd.printString("Back",0,1);
-
- //TODO: Whatever the One-off screen should display...
+ float T = tmp102.get_temperature(); // read temperature and print to lcd
+ int length = sprintf(buffer," T = %.2f C",T); // print formatted data to buffer - it is important the format specifier ensures the length will fit in the buffer
+ if (length <= 14) // if string will fit on display (assuming printing at x=0)
+ lcd.printString("-- One-Off --",0,0);
+ lcd.printString("-- Measure --",0,1);
+ lcd.printString(buffer,0,3); // display on screen
+ lcd.printString(" 'A' to Menu",0,5);
if(bAButtonWasPressed)
{
if(SelectedItem == 0)
{
- NewMenuState = MENUSTATE_Main;
+ NewMenuState = MENUSTATE_Main; // Take us back to top menu
}
}
@@ -288,7 +307,7 @@
case MENUSTATE_About:
{
- NumMenuItems = 1; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc.
+ NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
if(SelectedItem >= NumMenuItems)
{
NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
@@ -298,9 +317,8 @@
lcd.printString("ELE3006M - IoT",0,1);
lcd.printString(" Project",0,2);
lcd.printString("Uni of Lincoln",0,3);
- lcd.printString(" 'A' to Menu",0,5);
-
- //TODO: Whatever the about screen should display...
+ lcd.printString(" 'A' to Menu",0,5);
+ lcd.refresh();
if(bAButtonWasPressed)
{
@@ -314,25 +332,23 @@
case MENUSTATE_Author:
{
- NumMenuItems = 1; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc.
+ NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
if(SelectedItem >= NumMenuItems)
{
NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
}
lcd.printString("--- Author ---",0,0);
- lcd.printString(" ",0,1);
- lcd.printString(" ",0,2);
- lcd.printString("",0,3);
+ lcd.printString("David Leaming ",0,1);
+ lcd.printString(" 25574043 ",0,2);
+ lcd.printString(" VolkerRail",0,3);
lcd.printString(" 'A' to Menu",0,5);
-
- //TODO: Whatever the about screen should display...
if(bAButtonWasPressed)
{
if(SelectedItem == 0)
{
- NewMenuState = MENUSTATE_Main;
+ NewMenuState = MENUSTATE_Main; // Take us back to top menu
}
}
}
@@ -346,7 +362,7 @@
if(NewMenuState != MENUSTATTE_Num) // If we have requested a new menu state.
{
- printf("Transitioning to MenuState: %i\n", NewMenuState); //
+ printf("Transitioning to MenuState: %i\n", NewMenuState); // Observe on serial port - ensure transition to correct screen
MenuState = NewMenuState; // We want to transition the menu to a new state.
@@ -361,7 +377,7 @@
// If we have not selected to move to a new menu.
unsigned int SelectionMarkerRadius = 4 ; // Draw a marker circle at end of line to show which is the currently selected item.
unsigned int SelectionMarkerX = WIDTH - (2 * SelectionMarkerRadius);
- unsigned int SelectionMarkerY = (HEIGHT / 5) * (SelectedItem + 1); //+1 because of the menu title.
+ unsigned int SelectionMarkerY = (HEIGHT / 5) * (SelectedItem + 1); // +1 because of the menu title being on first row
lcd.drawCircle(SelectionMarkerX, SelectionMarkerY, SelectionMarkerRadius, FILL_BLACK);
// Handle Joystick Input
@@ -391,49 +407,3 @@
}
-void ConstantMonitoring()
-{
- char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
- while (1) {
-
- lcd.normalMode(); // normal colour mode
- lcd.setBrightness(0.5); // put LED backlight on 50%
- lcd.clear(); // clear buffer at start of every loop
- lcd.refresh(); // need to refresh display after setting pixels or writing strings
-
- float T = tmp102.get_temperature(); // read temperature and print to lcd
- int length = sprintf(buffer," T = %.2f C",T); // print formatted data to buffer - it is important the format specifier ensures the length will fit in the buffer
- if (length <= 14) // if string will fit on display (assuming printing at x=0)
- lcd.printString("-- Constant --",0,0);
- lcd.printString("- Monitoring -",0,1);
- lcd.printString(buffer,0,3); // display on screen
- lcd.printString(" 'B' to Menu",0,5);
- lcd.refresh(); // need to refresh display after setting pixels or writing strings
- wait(5.0);
-
- if (g_ButtonA_flag) { // check if flag i.e. interrupt has occured
- g_ButtonA_flag = 0; // if it has, clear the flag
-
- printf("Button A Press \n"); // send message over serial port - can observe in CoolTerm etc.
- LED01=0;
- wait(5.0);
- LED01=1;
- }
-
- if (g_ButtonB_flag) { // check if flag i.e. interrupt has occured
- g_ButtonB_flag = 0; // if it has, clear the flag
-
- printf("Button B Press \n"); // send message over serial port - can observe in CoolTerm etc.
- Run();
- }
-
- if (g_ButtonBack_flag) { // check if flag i.e. interrupt has occured
- g_ButtonBack_flag = 0; // if it has, clear the flag
-
- printf("Button Back Press \n"); // send message over serial port - can observe in CoolTerm etc.
- LED02=0;
- wait(5.0);
- LED02=1;
- }
-}
-}
\ No newline at end of file