(DA) Internet of Things and Smart Electronics- ELE3006M2122
/
Final_Project_V18_DLeaming_25574043
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Dependencies: mbed
Diff: main.cpp
- Revision:
- 6:ebf4784ce92b
- Parent:
- 5:eebd36a47049
- Child:
- 7:d77e95505e43
diff -r eebd36a47049 -r ebf4784ce92b main.cpp
--- a/main.cpp Fri Jan 07 23:14:23 2022 +0000
+++ b/main.cpp Fri Jan 14 10:41:46 2022 +0000
@@ -57,6 +57,9 @@
void ButtonB_isr(); //
void sw2_isr(); //
void menu_timer_isr(); //
+void OnStartup(); //
+void Run(); //
+void ConstantMonitoring(); //
int main()
{
@@ -76,27 +79,8 @@
lcd.setContrast(0.5); // change set contrast in range 0.0 to 1.0
- char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
-
- lcd.clear(); // clear buffer at start of every loop
- lcd.printString("Smart Cold",0,0); // can directly print strings at specified co-ordinates (must be less than 84 pixels to fit on display)
- lcd.printString("Storage",0,1); // Just a welcome message before auto moving to main menu
- lcd.printString("Monitoring",0,2);
- lcd.printString("",0,2); // Blank Line
- lcd.printString("V1.0 - 2021",0,4);
- lcd.printString("David Leaming",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.refresh(); // need to refresh display after setting pixels or writing strings
- wait(5.0);
-
- MainMenu(); //
+ OnStartup(); //
+ Run(); //
}
@@ -146,54 +130,220 @@
void menu_timer_isr()
{
- g_menu_timer_flag = 1; // set flag in ISR
+ g_menu_timer_flag = 1; // set flag in ISR
+}
+
+void OnStartup() //Run some start up display
+{
+ lcd.clear(); // clear buffer at start of every loop
+ lcd.printString("Smart Cold",0,0); // can directly print strings at specified co-ordinates (must be less than 84 pixels to fit on display)
+ lcd.printString("Storage",0,1); // Just a welcome message before auto moving to main menu
+ lcd.printString("Monitoring",0,2);
+ lcd.printString("",0,2); // Blank Line
+ lcd.printString("V1.0 - 2021",0,4);
+ lcd.printString("David Leaming",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.refresh(); // need to refresh display after setting pixels or writing strings
+ wait(5.0);
}
-void MainMenu()
+enum EMenuState //An enum controlling the current state of the display.
+{
+ MENUSTATE_Main,
+ MENUSTATE_Monitor,
+ MENUSTATE_OneOff,
+ MENUSTATE_About,
+
+ MENUSTATTE_Num, // This is a special enum value that just gives is a way to get the number of elements in the enum.
+};
+
+void Run()
{
- while(1) {
- if (g_menu_timer_flag){
+ int MenuState;
+ int SelectedItem = 0;
+ int NumMenuItems = 1;
+
+ while(1){
+ if (g_menu_timer_flag){
g_menu_timer_flag = 0;
+ bool bAButtonWasPressed = g_ButtonA_flag; // Get the value of the input flags and reset them
+ bool bBButtonWasPressed = g_ButtonB_flag;
+ g_ButtonA_flag = 0;
+ g_ButtonB_flag = 0;
+
lcd.clear(); // clear buffer at start of every loop
- joystick.init(); // initialise joystick
-
- lcd.printString("---- MENU ----",0,0); // can directly print strings at specified co-ordinates (must be less than 84 pixels to fit on display)
- lcd.printString("M1 - Monitor",0,1); //
- lcd.printString("M2 - One-off",0,2); //
- lcd.printString("About",0,3); //
- lcd.refresh(); //
+
+ int NewMenuState = MENUSTATTE_Num; // The new menu we want to transition to, if any.
+
+ switch(MenuState) // Update and Draw whichever menu we're on.
+ {
+ case MENUSTATE_Main:
+ {
+
+ NumMenuItems = 3; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc.
+ if(SelectedItem >= NumMenuItems)
+ {
+
+ SelectedItem = 0; // Something has gone wrong, reset selected item.
+ }
+ lcd.printString("---- MENU ----",0,0);
+ lcd.printString("M1 - Monitor",0,1);
+ lcd.printString("M2 - One-off",0,2);
+ lcd.printString("About",0,3);
+
+ if(bAButtonWasPressed) // If A was pressed then we transition to the selected screen.
+ {
+ if(SelectedItem == 0)
+ {
+ NewMenuState = MENUSTATE_Monitor;
+ }
+ else if(SelectedItem == 1)
+ {
+ NewMenuState = MENUSTATE_OneOff;
+ }
+ else if(SelectedItem == 2)
+ {
+ NewMenuState = MENUSTATE_About;
+ }
+ }
+ }
+ break;
+ 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.
+
+ if(SelectedItem >= NumMenuItems)
+ {
+ NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
+ }
+
+ lcd.printString("-- Monitor --",0,0);
+ lcd.printString("Back",0,1);
+
+ //TODO: Whatever the monitor screen should display...
+
+ if(bAButtonWasPressed)
+ {
+ if(SelectedItem == 0)
+ {
+ NewMenuState = MENUSTATE_Main;
+ }
+ }
+ }
+ break;
+ case MENUSTATE_OneOff:
+ {
+
+ NumMenuItems = 1; //TOVEY: Dont for get to set this when changing number of items in the menu. We 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...
+
+ if(bAButtonWasPressed)
+ {
+ if(SelectedItem == 0)
+ {
+ NewMenuState = MENUSTATE_Main;
+ }
+ }
+
+ }
+ break;
+ 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.
+ if(SelectedItem >= NumMenuItems)
+ {
+ NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
+ }
+
+ lcd.printString("-- About --",0,0);
+ lcd.printString("Back",0,1);
+
+ //TODO: Whatever the about screen should display...
+
+ if(bAButtonWasPressed)
+ {
+ if(SelectedItem == 0)
+ {
+ NewMenuState = MENUSTATE_Main;
+ }
+ }
+ }
+ break;
+ default:
+ {
+ NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
+ }
+ };
- switch (joystick.get_direction()) { // Call to check direction joystick is pointing
- printf("Direction = %i\n"); //
- case N: //
- option--; //
- break; //
- case S: //
- option++; //
- break; //
- }
- if (option < 0) { // If last/bottom menu item is selcted and user presses joystick down
- option = 2; // Selection circle to move to first/top menu option
- }
- if (option < 2) { // If first/top menu item is selcted and user presses joystick up
- option = 0; // Selection circle to move to last/bottom menu option
+ if(NewMenuState != MENUSTATTE_Num) // If we have requested a new menu state.
+ {
+ printf("Transitioning to MenuState: %i\n", NewMenuState); //
+
+ MenuState = NewMenuState; // We want to transition the menu to a new state.
+
+ // Do any bookkeeping needed when moving to new state.
+ SelectedItem = 0; // Reset the selected item.
+
+ lcd.clear(); // Clear the display for one frame on state transition.
+ } // Could do something else like invert colour etc here.
+ else
+ {
+
+ // 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.
+ lcd.drawCircle(SelectionMarkerX, SelectionMarkerY, SelectionMarkerRadius, FILL_BLACK);
+
+ // Handle Joystick Input
+ switch (joystick.get_direction()) { // Call to check direction joystick is pointing
+ printf("Direction = %i\n"); //
+ case N: //
+ SelectedItem--; //
+ break; //
+ case S: //
+ SelectedItem++; //
+ break; //
+ }
+
+ if(SelectedItem < 0) //Wrap the selection around to the start/end of the menu if it goes below 0 or above NumMenuItems.
+ {
+ SelectedItem = NumMenuItems - 1;
+ }
+ else if(SelectedItem >= NumMenuItems)
+ {
+ SelectedItem = 0;
+ }
}
- if (option == 1) { //
- lcd.drawCircle (55,20,2,0); //
- }
- if (option == 2) { //
- lcd.drawCircle (35,35,2,0); //
- }
- if (option == 3) { //
- lcd.drawCircle (20,50,2,0); //
- }
-
+ lcd.refresh(); //Finally update the display.
+ }
+ }
}
+
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
@@ -225,5 +375,5 @@
wait(5.0);
LED02=1;
}
- }
-}
\ No newline at end of file
+}
+}
\ No newline at end of file