(DA) Internet of Things and Smart Electronics- ELE3006M2122
Update to menu, selection process, insertion of Temp monitoring into correct menu
Dependencies: mbed N5110v02 TMP102 JoystickIoT
Diff: main.cpp
- Revision:
- 5:eebd36a47049
- Parent:
- 4:0090145b3286
- Child:
- 6:ebf4784ce92b
diff -r 0090145b3286 -r eebd36a47049 main.cpp
--- a/main.cpp Tue Dec 21 17:22:42 2021 +0000
+++ b/main.cpp Fri Jan 07 23:14:23 2022 +0000
@@ -25,6 +25,8 @@
Serial pc(USBTX,USBRX); // UART connection for PC
+Ticker ticker_menu; // Create Menu ticker object
+
DigitalOut r_led(LED_RED); // K64F on-board LEDs
DigitalOut g_led(LED_GREEN); // K64F on-board LEDs
DigitalOut b_led(LED_BLUE); // K64F on-board LEDs
@@ -41,17 +43,20 @@
InterruptIn ButtonA (PTB9); // PCB Button - A
InterruptIn ButtonB (PTD0); // PCB Button - B
-volatile int g_ButtonA_flag=0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
-volatile int g_ButtonB_flag=0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
-volatile int g_sw2_flag=0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
+volatile int g_ButtonA_flag = 0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
+volatile int g_ButtonB_flag = 0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
+volatile int g_sw2_flag = 0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
+volatile int g_menu_timer_flag = 0; // flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
+volatile int option = 0; // Menu option selection based on joystick direction
void error(); // error function hangs flashing an LED
void init_serial(); // setup serial port
void init_K64F(); // set-up the on-board LEDs and switches
void init_PCB(); // set-up the PCB LEDs and buttons
-void ButtonA_isr();
-void ButtonB_isr();
-void sw2_isr();
+void ButtonA_isr(); //
+void ButtonB_isr(); //
+void sw2_isr(); //
+void menu_timer_isr(); //
int main()
{
@@ -63,6 +68,8 @@
lcd.init(); // initialise display
joystick.init(); // initialise joystick
+ ticker_menu.attach(&menu_timer_isr,0.2); // Attach ticker for the Joystick
+
sw2.fall(&sw2_isr); // SW2 has a pull-up resistor, so the pin will be at 3.3 V by default and fall to 0 V when pressed. We therefore need to look for a falling edge on the pin to fire the interrupt
ButtonA.rise(&ButtonA_isr); // External push button, pin set to 0V by pull down command, means a rising edge is looked for
ButtonB.rise(&ButtonB_isr); // External push button, pin set to 0V by pull down command, means a rising edge is looked for
@@ -86,50 +93,12 @@
lcd.printString("To Navigate",0,1);
lcd.printString("",0,2); // Blank Line
lcd.printString("A = Select",0,3);
- lcd.printString("B = Back",0,4);
lcd.refresh(); // need to refresh display after setting pixels or writing strings
wait(5.0);
-
- MainMenu: // Initial Main Menu Creation to allow mode to be selected
-
-
-
- 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(buffer,0,2); // display on screen
- lcd.refresh(); // need to refresh display after setting pixels or writing strings
- wait(2.0);
-
- 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.
- LED02=0;
- wait(5.0);
- LED02=1;
-
- }
-
- }
-
-}
+ MainMenu(); //
+
+}
void init_serial() {
pc.baud(115200); // set to highest baud - ensure terminal software matches
@@ -173,4 +142,88 @@
void sw2_isr() // SW2 event-triggered interrupt
{
g_sw2_flag = 1; // set flag in ISR
-}
\ No newline at end of file
+}
+
+void menu_timer_isr()
+{
+ g_menu_timer_flag = 1; // set flag in ISR
+}
+
+void MainMenu()
+{
+ while(1) {
+ if (g_menu_timer_flag){
+ g_menu_timer_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(); //
+
+ 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 (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); //
+ }
+
+}
+
+void ConstantMonitoring()
+{
+ 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(buffer,0,2); // display on screen
+ lcd.refresh(); // need to refresh display after setting pixels or writing strings
+ wait(2.0);
+
+ 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.
+ LED02=0;
+ wait(5.0);
+ LED02=1;
+ }
+ }
+}
\ No newline at end of file