(DA) Internet of Things and Smart Electronics- ELE3006M2122 / Mbed 2 deprecated Final_Project_V19_DLeaming_25574043

Final tidy of code following installation of new sensor, more comments added prior to submission

Dependencies:   mbed

main.cpp@16:c63a5d084db0, 2022-01-27 (annotated)

Committer:
legstar85
Date:
Thu Jan 27 08:00:52 2022 +0000
Revision:
16:c63a5d084db0
Parent:
15:0cd78b44ea83
Child:
17:793f819e1df6
V17 - Working FSM for selectable temperature, facility to print results to SD card working, comments added

Who changed what in which revision?

UserRevisionLine numberNew contents of line
legstar85 4:0090145b3286 1 /*
legstar85 13:5ad65a688f3f 2 * Prints a string of characters to the screen buffer, string is cut off after the 83rd pixel.
legstar85 13:5ad65a688f3f 3 * @param x - the column number (0 to 83)
legstar85 13:5ad65a688f3f 4 * @param y - the row number (0-5) - the display is split into 6 banks - each bank can be considered a row
legstar85 13:5ad65a688f3f 5 *
legstar85 2:e0091b5311f1 6 * @ File main.cpp
legstar85 4:0090145b3286 7 * @ Author - David Leaming - 25574043
legstar85 9:d71b92c916f8 8 * @ Date - January 2022
legstar85 13:5ad65a688f3f 9 *
legstar85 2:e0091b5311f1 10 * Acknowledgements
legstar85 14:3e9991fe64e5 11 * Craig A. Evans, University of Leeds, TMP102 Library, Feb 2016
legstar85 14:3e9991fe64e5 12 * Dr Edmond Nurellari, University of Lincoln, Joystick, N5110 Libraries & SD Card Libraries
legstar85 13:5ad65a688f3f 13 * Paul Staron, Piezo Buzzer utility, April 2019
eencae 0:21a200b880d7 14 */
eencae 0:21a200b880d7 15
legstar85 16:c63a5d084db0 16 #include "mbed.h" // Include the library header, ensure the library has been imported into the project
legstar85 16:c63a5d084db0 17 #include "TMP102.h" //
legstar85 16:c63a5d084db0 18 #include "N5110.h" //
legstar85 16:c63a5d084db0 19 #include "Joystick.h" //
legstar85 16:c63a5d084db0 20 #include "Bitmap.h" //
legstar85 16:c63a5d084db0 21 #include "SDFileSystem.h" //
legstar85 16:c63a5d084db0 22 //
legstar85 2:e0091b5311f1 23 TMP102 tmp102(I2C_SDA,I2C_SCL); // Create TMP102 object
legstar85 16:c63a5d084db0 24 //
legstar85 16:c63a5d084db0 25 // VCC,SCE,RST,D/C,MOSI,SCLK,LED //
legstar85 2:e0091b5311f1 26 N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); // Create Screen Object - K64F - pwr from 3V3, GND Pin also needs connecting
legstar85 16:c63a5d084db0 27 //
legstar85 16:c63a5d084db0 28 // y x button //
legstar85 3:80c1eba78f9b 29 Joystick joystick(PTB10,PTB11,PTC16); // Define Joystick Object
legstar85 16:c63a5d084db0 30 //
legstar85 14:3e9991fe64e5 31 SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS - Connections to SD card holder on K64F (SPI interface)
legstar85 16:c63a5d084db0 32 //
legstar85 2:e0091b5311f1 33 Serial pc(USBTX,USBRX); // UART connection for PC
legstar85 16:c63a5d084db0 34 //
legstar85 11:a6eec09b546e 35 struct State { // Struct for state
legstar85 11:a6eec09b546e 36 int output; // output value
legstar85 11:a6eec09b546e 37 float time; // time in state
legstar85 11:a6eec09b546e 38 int nextState[9]; // array of next states
legstar85 16:c63a5d084db0 39 }; //
legstar85 16:c63a5d084db0 40 //
legstar85 16:c63a5d084db0 41 State fsm[11] = { //
legstar85 12:5046b7515d5c 42 {15,0.5,{0,1,0,0,0,10,0,0,0}}, // State 0 - 15 Degrees
legstar85 12:5046b7515d5c 43 {16,0.5,{1,2,1,1,1,0,1,1,1}}, // State 1 - 16 Degrees
legstar85 12:5046b7515d5c 44 {17,0.5,{2,3,2,2,2,1,2,2,2}}, // State 2 - 17 Degrees
legstar85 12:5046b7515d5c 45 {18,0.5,{3,4,3,3,3,2,3,3,3}}, // State 3 - 18 Degrees
legstar85 12:5046b7515d5c 46 {19,0.5,{4,5,4,4,4,3,4,4,4}}, // State 4 - 19 Degrees
legstar85 12:5046b7515d5c 47 {20,0.5,{5,6,5,5,5,4,5,5,5}}, // State 5 - 20 Degrees
legstar85 12:5046b7515d5c 48 {21,0.5,{6,7,6,6,6,5,6,6,6}}, // State 6 - 21 Degrees
legstar85 12:5046b7515d5c 49 {22,0.5,{7,8,7,7,7,6,7,7,7}}, // State 7 - 22 Degrees
legstar85 12:5046b7515d5c 50 {23,0.5,{8,9,8,8,8,7,8,8,8}}, // State 8 - 23 Degrees
legstar85 12:5046b7515d5c 51 {24,0.5,{9,10,9,9,9,8,9,9,9}}, // State 9 - 24 Degrees
legstar85 13:5ad65a688f3f 52 {25,0.5,{10,1,10,10,10,9,10,10,10}} // State 10 - 25 Degrees
legstar85 16:c63a5d084db0 53 }; //
legstar85 16:c63a5d084db0 54 //
legstar85 5:eebd36a47049 55 Ticker ticker_menu; // Create Menu ticker object
legstar85 16:c63a5d084db0 56 //
legstar85 2:e0091b5311f1 57 DigitalOut r_led(LED_RED); // K64F on-board LEDs
legstar85 2:e0091b5311f1 58 DigitalOut g_led(LED_GREEN); // K64F on-board LEDs
legstar85 2:e0091b5311f1 59 DigitalOut b_led(LED_BLUE); // K64F on-board LEDs
legstar85 16:c63a5d084db0 60 //
legstar85 8:07323fcab6d1 61 PwmOut LED01 (PTA1); // PCB Surface Mounted LED's - LED1
legstar85 8:07323fcab6d1 62 PwmOut LED02 (PTA2); // PCB Surface Mounted LED's - LED2
legstar85 8:07323fcab6d1 63 PwmOut LED03 (PTC2); // PCB Surface Mounted LED's - LED3
legstar85 8:07323fcab6d1 64 PwmOut LED04 (PTC3); // PCB Surface Mounted LED's - LED4
legstar85 8:07323fcab6d1 65 PwmOut LED05 (PTC4); // PCB Surface Mounted LED's - LED5
legstar85 8:07323fcab6d1 66 PwmOut LED06 (PTD3); // PCB Surface Mounted LED's - LED6
legstar85 16:c63a5d084db0 67 //
legstar85 8:07323fcab6d1 68 PwmOut Buzzer (PTC10); // PCB Surface Mounted Piezo Buzzer
legstar85 16:c63a5d084db0 69 //
legstar85 2:e0091b5311f1 70 InterruptIn sw2(SW2); // K64F on-board switches
legstar85 2:e0091b5311f1 71 InterruptIn sw3(SW3); // K64F on-board switches
legstar85 3:80c1eba78f9b 72 InterruptIn ButtonA (PTB9); // PCB Button - A
legstar85 3:80c1eba78f9b 73 InterruptIn ButtonB (PTD0); // PCB Button - B
legstar85 7:d77e95505e43 74 InterruptIn ButtonBack (PTB10); // PCB Button - Back
legstar85 16:c63a5d084db0 75 //
legstar85 12:5046b7515d5c 76 volatile int g_ButtonA_flag = 0; // Flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
legstar85 12:5046b7515d5c 77 volatile int g_ButtonB_flag = 0; // Flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
legstar85 12:5046b7515d5c 78 volatile int g_ButtonBack_flag = 0; // Flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
legstar85 12:5046b7515d5c 79 volatile int g_sw2_flag = 0; // Flag - must be volatile as changes within ISR - g_ prefix makes it easier to distinguish it as global
legstar85 12:5046b7515d5c 80 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
legstar85 5:eebd36a47049 81 volatile int option = 0; // Menu option selection based on joystick direction
legstar85 11:a6eec09b546e 82 volatile int g_state = 0; //
legstar85 11:a6eec09b546e 83 volatile int g_StartTemp = 0; //
legstar85 16:c63a5d084db0 84 volatile float g_TempReading = 0.0f; //
legstar85 16:c63a5d084db0 85 //
legstar85 2:e0091b5311f1 86 void error(); // error function hangs flashing an LED
legstar85 2:e0091b5311f1 87 void init_serial(); // setup serial port
legstar85 2:e0091b5311f1 88 void init_K64F(); // set-up the on-board LEDs and switches
legstar85 3:80c1eba78f9b 89 void init_PCB(); // set-up the PCB LEDs and buttons
legstar85 9:d71b92c916f8 90 void ButtonA_isr(); //
legstar85 9:d71b92c916f8 91 void ButtonB_isr(); //
legstar85 9:d71b92c916f8 92 void ButtonBack_isr(); //
legstar85 9:d71b92c916f8 93 void sw2_isr(); //
legstar85 9:d71b92c916f8 94 void menu_timer_isr(); //
legstar85 6:ebf4784ce92b 95 void OnStartup(); //
legstar85 6:ebf4784ce92b 96 void Run(); //
legstar85 11:a6eec09b546e 97 void StartTemp(); //
legstar85 14:3e9991fe64e5 98 void delete_file(char filename[]); //
legstar85 16:c63a5d084db0 99 //
legstar85 16:c63a5d084db0 100 //
legstar85 16:c63a5d084db0 101 int main() //
legstar85 16:c63a5d084db0 102 { //
legstar85 16:c63a5d084db0 103 init_K64F(); // Initialise the board
legstar85 2:e0091b5311f1 104 init_serial(); // initialise the serial port
legstar85 16:c63a5d084db0 105 init_PCB(); // Initialise the PCB
legstar85 16:c63a5d084db0 106 //
legstar85 16:c63a5d084db0 107 tmp102.init(); // Call the sensor init method using dot syntax
legstar85 16:c63a5d084db0 108 lcd.init(); // Initialise display
legstar85 16:c63a5d084db0 109 joystick.init(); // Initialise joystick
legstar85 16:c63a5d084db0 110 //
legstar85 5:eebd36a47049 111 ticker_menu.attach(&menu_timer_isr,0.2); // Attach ticker for the Joystick
legstar85 16:c63a5d084db0 112 //
legstar85 3:80c1eba78f9b 113 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
legstar85 3:80c1eba78f9b 114 ButtonA.rise(&ButtonA_isr); // External push button, pin set to 0V by pull down command, means a rising edge is looked for
legstar85 3:80c1eba78f9b 115 ButtonB.rise(&ButtonB_isr); // External push button, pin set to 0V by pull down command, means a rising edge is looked for
legstar85 16:c63a5d084db0 116 //
legstar85 2:e0091b5311f1 117 lcd.setContrast(0.5); // change set contrast in range 0.0 to 1.0
legstar85 16:c63a5d084db0 118 //
legstar85 11:a6eec09b546e 119 OnStartup(); // Call intro screen
legstar85 9:d71b92c916f8 120 Run(); // Call main-menu and functions
legstar85 16:c63a5d084db0 121 } //
legstar85 16:c63a5d084db0 122 //
legstar85 16:c63a5d084db0 123 void init_serial() { //
legstar85 2:e0091b5311f1 124 pc.baud(115200); // set to highest baud - ensure terminal software matches
legstar85 16:c63a5d084db0 125 } //
legstar85 16:c63a5d084db0 126 //
legstar85 16:c63a5d084db0 127 void init_K64F() //
legstar85 16:c63a5d084db0 128 { //
legstar85 2:e0091b5311f1 129 r_led = 1; // on-board LEDs are active-low, so set pin high to turn them off.
legstar85 2:e0091b5311f1 130 g_led = 1; // on-board LEDs are active-low, so set pin high to turn them off.
legstar85 2:e0091b5311f1 131 b_led = 1; // on-board LEDs are active-low, so set pin high to turn them off.
legstar85 16:c63a5d084db0 132 //
legstar85 2:e0091b5311f1 133 sw2.mode(PullNone); // since the on-board switches have external pull-ups, we should disable the internal pull-down
legstar85 2:e0091b5311f1 134 sw3.mode(PullNone); // resistors that are enabled by default using InterruptIn
legstar85 16:c63a5d084db0 135 } //
legstar85 16:c63a5d084db0 136 //
legstar85 16:c63a5d084db0 137 void init_PCB () //
legstar85 16:c63a5d084db0 138 { //
legstar85 3:80c1eba78f9b 139 LED01 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 9:d71b92c916f8 140 LED02 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 9:d71b92c916f8 141 LED03 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 9:d71b92c916f8 142 LED04 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 9:d71b92c916f8 143 LED05 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 9:d71b92c916f8 144 LED06 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly
legstar85 16:c63a5d084db0 145 //
legstar85 9:d71b92c916f8 146 Buzzer = 0; // Ensure Piezo Buzzer is off
legstar85 16:c63a5d084db0 147 //
legstar85 3:80c1eba78f9b 148 ButtonA.mode(PullDown); // Set pin to Pull Down to OV, meaning that a rising edge is looked for when button is pressed
legstar85 3:80c1eba78f9b 149 ButtonB.mode(PullDown); // Set pin to Pull Down to OV, meaning that a rising edge is looked for when button is pressed
legstar85 16:c63a5d084db0 150 } //
legstar85 16:c63a5d084db0 151 //
legstar85 3:80c1eba78f9b 152 void ButtonA_isr() // ButtonA event-triggered interrupt
legstar85 16:c63a5d084db0 153 { //
legstar85 3:80c1eba78f9b 154 g_ButtonA_flag = 1; // set flag in ISR
legstar85 16:c63a5d084db0 155 } //
legstar85 16:c63a5d084db0 156 //
legstar85 3:80c1eba78f9b 157 void ButtonB_isr() // ButtonB event-triggered interrupt
legstar85 16:c63a5d084db0 158 { //
legstar85 3:80c1eba78f9b 159 g_ButtonB_flag = 1; // set flag in ISR
legstar85 16:c63a5d084db0 160 } //
legstar85 16:c63a5d084db0 161 //
legstar85 7:d77e95505e43 162 void ButtonBack_isr() // ButtonB event-triggered interrupt
legstar85 16:c63a5d084db0 163 { //
legstar85 7:d77e95505e43 164 g_ButtonBack_flag = 1; // set flag in ISR
legstar85 16:c63a5d084db0 165 } //
legstar85 16:c63a5d084db0 166 //
legstar85 3:80c1eba78f9b 167 void sw2_isr() // SW2 event-triggered interrupt
legstar85 16:c63a5d084db0 168 { //
legstar85 3:80c1eba78f9b 169 g_sw2_flag = 1; // set flag in ISR
legstar85 16:c63a5d084db0 170 } //
legstar85 16:c63a5d084db0 171 //
legstar85 16:c63a5d084db0 172 void menu_timer_isr() //
legstar85 16:c63a5d084db0 173 { //
legstar85 6:ebf4784ce92b 174 g_menu_timer_flag = 1; // set flag in ISR
legstar85 16:c63a5d084db0 175 } //
legstar85 16:c63a5d084db0 176 //
legstar85 9:d71b92c916f8 177 void OnStartup() // Run some start up display
legstar85 16:c63a5d084db0 178 { //
legstar85 12:5046b7515d5c 179 Buzzer.period(1.0/659.0); // Welcome sounds from Piezo
legstar85 12:5046b7515d5c 180 Buzzer = 0.5; //
legstar85 12:5046b7515d5c 181 wait(0.5); //
legstar85 12:5046b7515d5c 182 Buzzer.period(1.0/494.0); //
legstar85 12:5046b7515d5c 183 Buzzer = 0.5; //
legstar85 12:5046b7515d5c 184 wait(0.5); //
legstar85 12:5046b7515d5c 185 Buzzer.period(1.0/554.0); //
legstar85 12:5046b7515d5c 186 Buzzer = 0.5; //
legstar85 12:5046b7515d5c 187 wait(0.5); //
legstar85 12:5046b7515d5c 188 Buzzer = 0; // Turn off welcome sounds
legstar85 9:d71b92c916f8 189 lcd.clear(); // Clear buffer at start of every loop
legstar85 9:d71b92c916f8 190 lcd.printString("--------------",0,0); // Can directly print strings at specified co-ordinates (must be less than 84 pixels to fit on display)
legstar85 7:d77e95505e43 191 lcd.printString(" Smart Cold",0,1); // Just a welcome message before auto moving to main menu
legstar85 7:d77e95505e43 192 lcd.printString(" Storage",0,2); //
legstar85 7:d77e95505e43 193 lcd.printString(" Monitoring",0,3); //
legstar85 16:c63a5d084db0 194 lcd.printString("V17 - Jan 2022",0,4); //
legstar85 7:d77e95505e43 195 lcd.printString("--------------",0,5); //
legstar85 9:d71b92c916f8 196 lcd.refresh(); // Need to refresh display after setting pixels or writing strings
legstar85 9:d71b92c916f8 197 wait(5.0); // Leave welcome screen on for designated amount of time
legstar85 9:d71b92c916f8 198 lcd.clear(); // Clear buffer at start of every loop
legstar85 9:d71b92c916f8 199 lcd.refresh(); // Need to refresh display after setting pixels or writing strings
legstar85 8:07323fcab6d1 200 lcd.printString("--------------",0,0); //
legstar85 8:07323fcab6d1 201 lcd.printString(" Use Joystick",0,1); // Instruction for use of menu
legstar85 8:07323fcab6d1 202 lcd.printString(" To Navigate",0,2); //
legstar85 8:07323fcab6d1 203 lcd.printString("",0,3); // Blank Line
legstar85 8:07323fcab6d1 204 lcd.printString(" A = Select",0,4); //
legstar85 8:07323fcab6d1 205 lcd.printString("--------------",0,5); //
legstar85 9:d71b92c916f8 206 lcd.refresh(); // Need to refresh display after setting pixels or writing strings
legstar85 7:d77e95505e43 207 wait(5.0); //
legstar85 9:d71b92c916f8 208 init_PCB(); // Ran again to ensure all LED's etc are turned off
legstar85 13:5ad65a688f3f 209 printf("Transition to Temp Selection %i\n",StartTemp); // Observe on serial port - ensure transition to correct screen
legstar85 16:c63a5d084db0 210 } //
legstar85 16:c63a5d084db0 211 //
legstar85 9:d71b92c916f8 212 enum EMenuState // An enum controlling the current state of the display.
legstar85 16:c63a5d084db0 213 { //
legstar85 16:c63a5d084db0 214 MENUSTATE_StartTemp, // Defining each menu state to be called upon later (Integer Value of 0)
legstar85 16:c63a5d084db0 215 MENUSTATE_Main, // Defining each menu state to be called upon later (Integer Value of 1)
legstar85 16:c63a5d084db0 216 MENUSTATE_Monitor, // Defining each menu state to be called upon later (Integer Value of 2)
legstar85 16:c63a5d084db0 217 MENUSTATE_OneOff, // Defining each menu state to be called upon later (Integer Value of 3)
legstar85 16:c63a5d084db0 218 MENUSTATE_Results, // Defining each menu state to be called upon later (Integer Value of 4)
legstar85 16:c63a5d084db0 219 MENUSTATE_About, // Defining each menu state to be called upon later (Integer Value of 5)
legstar85 16:c63a5d084db0 220 MENUSTATE_Author, // Defining each menu state to be called upon later (Integer Value of 6)
legstar85 16:c63a5d084db0 221 //
legstar85 16:c63a5d084db0 222 MENUSTATTE_Num, // This is a special enum value that allows us to check and see how many menus we have, +1 of menu integer value
legstar85 16:c63a5d084db0 223 }; //
legstar85 16:c63a5d084db0 224 //
legstar85 16:c63a5d084db0 225 void Run() //
legstar85 16:c63a5d084db0 226 { //
legstar85 15:0cd78b44ea83 227 int MenuState = MENUSTATE_StartTemp; // Ensuring that the first Menu State to be brought up is the Temperature Selection Page
legstar85 9:d71b92c916f8 228 int SelectedItem = 0; //
legstar85 9:d71b92c916f8 229 int NumMenuItems = 1; //
legstar85 16:c63a5d084db0 230 int NumFramesInState = 0; // How many frames have we been in the current menu state.
legstar85 16:c63a5d084db0 231 //
legstar85 15:0cd78b44ea83 232 char buffer[14]; // Each character is 6 pixels wide, screen is 84 pixels (84/6 = 14)
legstar85 16:c63a5d084db0 233 //
legstar85 16:c63a5d084db0 234 FILE *fp = NULL; // This is our file pointer
legstar85 16:c63a5d084db0 235 //
legstar85 16:c63a5d084db0 236 while(1){ // Project infinite while loop
legstar85 9:d71b92c916f8 237 if (g_menu_timer_flag){ //
legstar85 9:d71b92c916f8 238 g_menu_timer_flag = 0; //
legstar85 16:c63a5d084db0 239 //
legstar85 6:ebf4784ce92b 240 bool bAButtonWasPressed = g_ButtonA_flag; // Get the value of the input flags and reset them
legstar85 9:d71b92c916f8 241 bool bBButtonWasPressed = g_ButtonB_flag; // Get the value of the input flags and reset them
legstar85 9:d71b92c916f8 242 g_ButtonA_flag = 0; //
legstar85 9:d71b92c916f8 243 g_ButtonB_flag = 0; //
legstar85 16:c63a5d084db0 244 //
legstar85 16:c63a5d084db0 245 lcd.clear(); // Clear buffer at start of every loop
legstar85 16:c63a5d084db0 246 //
legstar85 6:ebf4784ce92b 247 int NewMenuState = MENUSTATTE_Num; // The new menu we want to transition to, if any.
legstar85 16:c63a5d084db0 248 //
legstar85 6:ebf4784ce92b 249 switch(MenuState) // Update and Draw whichever menu we're on.
legstar85 16:c63a5d084db0 250 { //
legstar85 12:5046b7515d5c 251 case MENUSTATE_StartTemp: //
legstar85 16:c63a5d084db0 252 { //
legstar85 15:0cd78b44ea83 253 NumMenuItems = 1; // Details number of items in the menu. We need this to wrap the selection around properly etc.
legstar85 11:a6eec09b546e 254 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 255 { //
legstar85 11:a6eec09b546e 256 SelectedItem = 0; // Something has gone wrong, reset selected item.
legstar85 16:c63a5d084db0 257 } //
legstar85 16:c63a5d084db0 258 Direction d = joystick.get_direction(); //
legstar85 16:c63a5d084db0 259 //
legstar85 16:c63a5d084db0 260 StartTemp(); //
legstar85 16:c63a5d084db0 261 //
legstar85 16:c63a5d084db0 262 float g_StartTemp = fsm[g_state].output; // Read temperature from FSM and print selection to LCD
legstar85 12:5046b7515d5c 263 pc.printf("T = %f C\n",g_StartTemp); // Print to serial - allows testing without device attached
legstar85 11:a6eec09b546e 264 printf ("Joystick Direction Points = %i\n",d); //
legstar85 12:5046b7515d5c 265 printf ("State selected = %i\n", g_state); //
legstar85 16:c63a5d084db0 266 int length = sprintf(buffer," T = %.2f C",g_StartTemp); // Print formatted data to buffer - it is important the format specifier ensures the length will fit in the buffer
legstar85 16:c63a5d084db0 267 if (length <= 14){ // If string will fit on display (assuming printing at x=0)
legstar85 13:5ad65a688f3f 268 lcd.printString("- Set Target -",0,0); //
legstar85 13:5ad65a688f3f 269 lcd.printString("---- Temp ----",0,1); //
legstar85 16:c63a5d084db0 270 lcd.printString(buffer,0,3); // Display on screen
legstar85 13:5ad65a688f3f 271 lcd.printString("'A' to Select",0,5); //
legstar85 16:c63a5d084db0 272 lcd.refresh(); //
legstar85 13:5ad65a688f3f 273 } // need to refresh display after setting pixels or writing strings
legstar85 16:c63a5d084db0 274 //
legstar85 11:a6eec09b546e 275 if(bAButtonWasPressed) // If A was pressed then we transition to the selected screen.
legstar85 16:c63a5d084db0 276 { //
legstar85 11:a6eec09b546e 277 if(SelectedItem == 0) // If 0 line is selected, move to detailed menu
legstar85 11:a6eec09b546e 278 { // Actually 0 line + 1, see circle draw and selection below
legstar85 11:a6eec09b546e 279 NewMenuState = MENUSTATE_Main; //
legstar85 16:c63a5d084db0 280 } //
legstar85 16:c63a5d084db0 281 } //
legstar85 16:c63a5d084db0 282 } //
legstar85 11:a6eec09b546e 283 break; //
legstar85 9:d71b92c916f8 284 case MENUSTATE_Main: //
legstar85 16:c63a5d084db0 285 { //
legstar85 15:0cd78b44ea83 286 NumMenuItems = 5; // Details number of items in the menu. We need this to wrap the selection around properly etc.
legstar85 9:d71b92c916f8 287 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 288 { //
legstar85 6:ebf4784ce92b 289 SelectedItem = 0; // Something has gone wrong, reset selected item.
legstar85 16:c63a5d084db0 290 } //
legstar85 9:d71b92c916f8 291 lcd.printString("---- MENU ----",0,0); // Menu title and selectable options
legstar85 9:d71b92c916f8 292 lcd.printString("M1 - Monitor",0,1); // Printed to the LCD screen
legstar85 9:d71b92c916f8 293 lcd.printString("M2 - One-off",0,2); //
legstar85 14:3e9991fe64e5 294 lcd.printString("Results",0,3); //
legstar85 14:3e9991fe64e5 295 lcd.printString("About",0,4); //
legstar85 14:3e9991fe64e5 296 lcd.printString("Author",0,5); //
legstar85 16:c63a5d084db0 297 //
legstar85 6:ebf4784ce92b 298 if(bAButtonWasPressed) // If A was pressed then we transition to the selected screen.
legstar85 16:c63a5d084db0 299 { //
legstar85 8:07323fcab6d1 300 if(SelectedItem == 0) // If 0 line is selected, move to detailed menu
legstar85 8:07323fcab6d1 301 { // Actually 0 line + 1, see circle draw and selection below
legstar85 9:d71b92c916f8 302 NewMenuState = MENUSTATE_Monitor; //
legstar85 16:c63a5d084db0 303 } //
legstar85 8:07323fcab6d1 304 else if(SelectedItem == 1) // If 1 line is selected, move to detailed menu
legstar85 8:07323fcab6d1 305 { // Actually 1 line + 1, see circle draw and selection below
legstar85 9:d71b92c916f8 306 NewMenuState = MENUSTATE_OneOff; //
legstar85 16:c63a5d084db0 307 } //
legstar85 8:07323fcab6d1 308 else if(SelectedItem == 2) // If 2 line is selected, move to detailed menu
legstar85 8:07323fcab6d1 309 { // Actually 2 line + 1, see circle draw and selection below
legstar85 14:3e9991fe64e5 310 NewMenuState = MENUSTATE_Results; //
legstar85 16:c63a5d084db0 311 } //
legstar85 15:0cd78b44ea83 312 else if(SelectedItem == 3) // If 3 line is selected, move to detailed menu
legstar85 15:0cd78b44ea83 313 { // Actually 3 line + 1, see circle draw and selection below
legstar85 9:d71b92c916f8 314 NewMenuState = MENUSTATE_About; //
legstar85 16:c63a5d084db0 315 } //
legstar85 15:0cd78b44ea83 316 else if(SelectedItem == 4) // If 4 line is selected, move to detailed menu
legstar85 15:0cd78b44ea83 317 { // Actually 4 line + 1, see circle draw and selection below
legstar85 9:d71b92c916f8 318 NewMenuState = MENUSTATE_Author; //
legstar85 16:c63a5d084db0 319 } //
legstar85 16:c63a5d084db0 320 } //
legstar85 16:c63a5d084db0 321 } //
legstar85 9:d71b92c916f8 322 break; //
legstar85 9:d71b92c916f8 323 case MENUSTATE_Monitor: // Call constant measurement menu following top menu selection
legstar85 16:c63a5d084db0 324 { //
legstar85 8:07323fcab6d1 325 NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
legstar85 16:c63a5d084db0 326 //
legstar85 9:d71b92c916f8 327 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 328 { //
legstar85 6:ebf4784ce92b 329 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 330 } //
legstar85 16:c63a5d084db0 331 //
legstar85 7:d77e95505e43 332 float T = tmp102.get_temperature(); // read temperature and print to lcd
legstar85 9:d71b92c916f8 333 pc.printf("T = %f K\n",T); // Print to serial - allows testing without device attached
legstar85 7:d77e95505e43 334 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
legstar85 7:d77e95505e43 335 if (length <= 14) // if string will fit on display (assuming printing at x=0)
legstar85 9:d71b92c916f8 336 lcd.printString("-- Constant --",0,0); //
legstar85 9:d71b92c916f8 337 lcd.printString("- Monitoring -",0,1); //
legstar85 7:d77e95505e43 338 lcd.printString(buffer,0,3); // display on screen
legstar85 9:d71b92c916f8 339 lcd.printString(" 'A' to Menu",0,5); //
legstar85 7:d77e95505e43 340 lcd.refresh(); // need to refresh display after setting pixels or writing strings
legstar85 9:d71b92c916f8 341 wait(0.5); //
legstar85 16:c63a5d084db0 342 //
legstar85 13:5ad65a688f3f 343 if (T >= g_StartTemp + 2) { // High temp alarm condition - in real world would be lot lower!!
legstar85 13:5ad65a688f3f 344 LED01 = !LED01; // Flash LED01 if temperature is over specified - Simulated starting of cold blowers
legstar85 13:5ad65a688f3f 345 LED02 = !LED02; // Flash LED02 if temperature is over specified - Simulated starting of cold blowers
legstar85 13:5ad65a688f3f 346 LED03 = !LED03; // Flash LED03 if temperature is over specified - Simulated starting of cold blowers
legstar85 13:5ad65a688f3f 347 printf("WARNING - High Temp!! \n"); //
legstar85 13:5ad65a688f3f 348 Buzzer.period(1.0/554.0); // Warning Buzzer to extremely high
legstar85 13:5ad65a688f3f 349 Buzzer = 0.5; //
legstar85 13:5ad65a688f3f 350 wait(0.5); //
legstar85 13:5ad65a688f3f 351 Buzzer = 0; //
legstar85 16:c63a5d084db0 352 } //
legstar85 16:c63a5d084db0 353 else { //
legstar85 9:d71b92c916f8 354 LED01 = 1; // LED01 off if temperature is below specified - Simulated stopping of cold blowers
legstar85 9:d71b92c916f8 355 LED02 = 1; // LED01 off if temperature is below specified - Simulated stopping of cold blowers
legstar85 9:d71b92c916f8 356 LED03 = 1; // LED01 off if temperature is below specified - Simulated stopping of cold blowers
legstar85 13:5ad65a688f3f 357 Buzzer = 0; // Buzzer off if temperature is below specified - Simulated stopping of cold blowers
legstar85 16:c63a5d084db0 358 } //
legstar85 16:c63a5d084db0 359 //
legstar85 13:5ad65a688f3f 360 if (T <= g_StartTemp - 2) { // High temp alarm condition - in real world would be lot lower!!
legstar85 14:3e9991fe64e5 361 LED04 = !LED04; // Flash LED01 if temperature is over specified - Simulated starting of heaters
legstar85 14:3e9991fe64e5 362 LED05 = !LED05; // Flash LED02 if temperature is over specified - Simulated starting of heaters
legstar85 14:3e9991fe64e5 363 LED06 = !LED06; // Flash LED03 if temperature is over specified - Simulated starting of heaters
legstar85 13:5ad65a688f3f 364 printf("WARNING - Low Temp!! \n"); //
legstar85 16:c63a5d084db0 365 Buzzer.period(1.0/554.0); // Warning Buzzer to extremely low
legstar85 13:5ad65a688f3f 366 wait(0.5); //
legstar85 13:5ad65a688f3f 367 Buzzer = 0; //
legstar85 16:c63a5d084db0 368 } //
legstar85 16:c63a5d084db0 369 else { //
legstar85 14:3e9991fe64e5 370 LED04 = 1; // LED01 off if temperature is below specified - Simulated stopping of heaters
legstar85 14:3e9991fe64e5 371 LED05 = 1; // LED01 off if temperature is below specified - Simulated stopping of heaters
legstar85 14:3e9991fe64e5 372 LED06 = 1; // LED01 off if temperature is below specified - Simulated stopping of heaters
legstar85 14:3e9991fe64e5 373 Buzzer = 0; // Buzzer off if temperature is below specified - Simulated stopping of heaters
legstar85 16:c63a5d084db0 374 } //
legstar85 9:d71b92c916f8 375 if(bAButtonWasPressed) // Check if button was pressed
legstar85 16:c63a5d084db0 376 { //
legstar85 9:d71b92c916f8 377 if(SelectedItem == 0) //
legstar85 16:c63a5d084db0 378 { //
legstar85 9:d71b92c916f8 379 NewMenuState = MENUSTATE_Main; // Transition back to the main menu
legstar85 9:d71b92c916f8 380 LED01 = 1; // Turn off LED upon transition back to main menu
legstar85 9:d71b92c916f8 381 LED02 = 1; // Turn off LED upon transition back to main menu
legstar85 9:d71b92c916f8 382 LED03 = 1; // Turn off LED upon transition back to main menu
legstar85 9:d71b92c916f8 383 LED04 = 1; // Turn off LED upon transition back to main menu
legstar85 9:d71b92c916f8 384 LED05 = 1; // Turn off LED upon transition back to main menu
legstar85 9:d71b92c916f8 385 LED06 = 1; // Turn off LED upon transition back to main menu
legstar85 16:c63a5d084db0 386 } //
legstar85 16:c63a5d084db0 387 } //
legstar85 16:c63a5d084db0 388 } //
legstar85 16:c63a5d084db0 389 break; //
legstar85 11:a6eec09b546e 390 case MENUSTATE_OneOff: // Call a one off measurement menu following top menu selection
legstar85 16:c63a5d084db0 391 { //
legstar85 8:07323fcab6d1 392 NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
legstar85 9:d71b92c916f8 393 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 394 { //
legstar85 7:d77e95505e43 395 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 396 } //
legstar85 16:c63a5d084db0 397 //
legstar85 16:c63a5d084db0 398 if(NumFramesInState == 0) //
legstar85 16:c63a5d084db0 399 { //
legstar85 16:c63a5d084db0 400 g_TempReading = tmp102.get_temperature(); // Gather the temp readings only on the frame we enter this state and keep printing this same temp, not to refresh and read new temp.
legstar85 16:c63a5d084db0 401 } //
legstar85 16:c63a5d084db0 402 //
legstar85 16:c63a5d084db0 403 pc.printf("T = %f K\n",g_TempReading); // Print to serial - allows testing without device attached
legstar85 16:c63a5d084db0 404 int length = sprintf(buffer," T = %.2f C",g_TempReading); // print formatted data to buffer - it is important the format specifier ensures the length will fit in the buffer
legstar85 16:c63a5d084db0 405 if (length <= 14){ // if string will fit on display (assuming printing at x=0)
legstar85 16:c63a5d084db0 406 lcd.printString("-- One-Off --",0,0); //
legstar85 16:c63a5d084db0 407 lcd.printString("-- Measure --",0,1); //
legstar85 16:c63a5d084db0 408 lcd.printString(buffer,0,3); // display on screen
legstar85 16:c63a5d084db0 409 lcd.printString(" 'A' to Menu",0,5); //
legstar85 16:c63a5d084db0 410 } //
legstar85 16:c63a5d084db0 411 //
legstar85 9:d71b92c916f8 412 if(bAButtonWasPressed) // Check if button was pressed
legstar85 16:c63a5d084db0 413 { //
legstar85 9:d71b92c916f8 414 if(SelectedItem == 0) //
legstar85 16:c63a5d084db0 415 { //
legstar85 8:07323fcab6d1 416 NewMenuState = MENUSTATE_Main; // Take us back to top menu
legstar85 16:c63a5d084db0 417 } //
legstar85 16:c63a5d084db0 418 } //
legstar85 16:c63a5d084db0 419 } //
legstar85 16:c63a5d084db0 420 break; //
legstar85 15:0cd78b44ea83 421 case MENUSTATE_Results: // Call results menu following top menu selection
legstar85 16:c63a5d084db0 422 { //
legstar85 14:3e9991fe64e5 423 NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
legstar85 14:3e9991fe64e5 424 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 425 { //
legstar85 16:c63a5d084db0 426 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 427 } //
legstar85 16:c63a5d084db0 428 //
legstar85 16:c63a5d084db0 429 if(NumFramesInState == 0) //
legstar85 16:c63a5d084db0 430 { //
legstar85 16:c63a5d084db0 431 if(fp != NULL){ //
legstar85 16:c63a5d084db0 432 printf("Error! File already open!\n"); //
legstar85 16:c63a5d084db0 433 fclose(fp); //
legstar85 16:c63a5d084db0 434 } //
legstar85 16:c63a5d084db0 435 //
legstar85 16:c63a5d084db0 436 fp = fopen("/sd/overnighttemp.csv", "w"); // Open our file handle on the first frame.
legstar85 16:c63a5d084db0 437 } //
legstar85 16:c63a5d084db0 438 //
legstar85 16:c63a5d084db0 439 if (fp == NULL) { // if it can't open the file then print error message
legstar85 16:c63a5d084db0 440 printf("Error! Unable to open file! Returning to main menu.\n"); //
legstar85 14:3e9991fe64e5 441 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 442 } //
legstar85 16:c63a5d084db0 443 else //
legstar85 16:c63a5d084db0 444 { //
legstar85 16:c63a5d084db0 445 float T = tmp102.get_temperature(); // Read temperature and print to lcd
legstar85 16:c63a5d084db0 446 pc.printf("T = %f K\n",T); // Print to serial - allows testing without device attached
legstar85 16:c63a5d084db0 447 fprintf(fp, "%d,%f\n",NumFramesInState,T); // Print formatted string to file (CSV)
legstar85 16:c63a5d084db0 448 //
legstar85 16:c63a5d084db0 449 lcd.printString("-- Results --",0,0); //
legstar85 16:c63a5d084db0 450 lcd.printString(" Writing",0,1); //
legstar85 16:c63a5d084db0 451 lcd.printString(" results to ",0,2); //
legstar85 16:c63a5d084db0 452 lcd.printString(" file...",0,3); //
legstar85 16:c63a5d084db0 453 lcd.printString(" ",0,4); //
legstar85 16:c63a5d084db0 454 lcd.printString(" 'A' to Menu",0,5); //
legstar85 16:c63a5d084db0 455 } //
legstar85 16:c63a5d084db0 456 //
legstar85 14:3e9991fe64e5 457 if(bAButtonWasPressed) // Check if button was pressed
legstar85 16:c63a5d084db0 458 { //
legstar85 14:3e9991fe64e5 459 if(SelectedItem == 0) //
legstar85 16:c63a5d084db0 460 { //
legstar85 14:3e9991fe64e5 461 NewMenuState = MENUSTATE_Main; // Take us back to top menu
legstar85 16:c63a5d084db0 462 } //
legstar85 16:c63a5d084db0 463 } //
legstar85 16:c63a5d084db0 464 } //
legstar85 16:c63a5d084db0 465 break; //
legstar85 9:d71b92c916f8 466 case MENUSTATE_About: // Call About menu following top menu selection
legstar85 16:c63a5d084db0 467 { //
legstar85 8:07323fcab6d1 468 NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
legstar85 9:d71b92c916f8 469 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 470 { //
legstar85 6:ebf4784ce92b 471 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 472 } //
legstar85 16:c63a5d084db0 473 //
legstar85 9:d71b92c916f8 474 lcd.printString("--- About ---",0,0); //
legstar85 9:d71b92c916f8 475 lcd.printString("ELE3006M - IoT",0,1); //
legstar85 9:d71b92c916f8 476 lcd.printString(" Project",0,2); //
legstar85 9:d71b92c916f8 477 lcd.printString("Uni of Lincoln",0,3); //
legstar85 9:d71b92c916f8 478 lcd.printString(" 'A' to Menu",0,5); //
legstar85 9:d71b92c916f8 479 lcd.refresh(); //
legstar85 16:c63a5d084db0 480 //
legstar85 9:d71b92c916f8 481 if(bAButtonWasPressed) // Check if button was pressed
legstar85 16:c63a5d084db0 482 { //
legstar85 9:d71b92c916f8 483 if(SelectedItem == 0) //
legstar85 16:c63a5d084db0 484 { //
legstar85 9:d71b92c916f8 485 NewMenuState = MENUSTATE_Main; // Transition back to Main Menu
legstar85 16:c63a5d084db0 486 } //
legstar85 16:c63a5d084db0 487 } //
legstar85 16:c63a5d084db0 488 } //
legstar85 16:c63a5d084db0 489 break; //
legstar85 9:d71b92c916f8 490 case MENUSTATE_Author: // Call Author menu following top menu selection
legstar85 16:c63a5d084db0 491 { //
legstar85 8:07323fcab6d1 492 NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc.
legstar85 9:d71b92c916f8 493 if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 494 { //
legstar85 7:d77e95505e43 495 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 496 } //
legstar85 16:c63a5d084db0 497 //
legstar85 9:d71b92c916f8 498 lcd.printString("--- Author ---",0,0); //
legstar85 9:d71b92c916f8 499 lcd.printString("David Leaming ",0,1); //
legstar85 9:d71b92c916f8 500 lcd.printString(" 25574043 ",0,2); //
legstar85 9:d71b92c916f8 501 lcd.printString(" VolkerRail",0,3); //
legstar85 9:d71b92c916f8 502 lcd.printString(" 'A' to Menu",0,5); //
legstar85 16:c63a5d084db0 503 //
legstar85 9:d71b92c916f8 504 if(bAButtonWasPressed) // Check if button was pressed
legstar85 16:c63a5d084db0 505 { //
legstar85 9:d71b92c916f8 506 if(SelectedItem == 0) //
legstar85 16:c63a5d084db0 507 { //
legstar85 8:07323fcab6d1 508 NewMenuState = MENUSTATE_Main; // Take us back to top menu
legstar85 16:c63a5d084db0 509 } //
legstar85 16:c63a5d084db0 510 } //
legstar85 16:c63a5d084db0 511 } //
legstar85 16:c63a5d084db0 512 break; //
legstar85 16:c63a5d084db0 513 default: //
legstar85 16:c63a5d084db0 514 { //
legstar85 6:ebf4784ce92b 515 NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu.
legstar85 16:c63a5d084db0 516 } //
legstar85 16:c63a5d084db0 517 }; //
legstar85 16:c63a5d084db0 518 //
legstar85 6:ebf4784ce92b 519 if(NewMenuState != MENUSTATTE_Num) // If we have requested a new menu state.
legstar85 16:c63a5d084db0 520 { //
legstar85 8:07323fcab6d1 521 printf("Transitioning to MenuState: %i\n", NewMenuState); // Observe on serial port - ensure transition to correct screen
legstar85 16:c63a5d084db0 522 //
legstar85 6:ebf4784ce92b 523 MenuState = NewMenuState; // We want to transition the menu to a new state.
legstar85 16:c63a5d084db0 524 //
legstar85 6:ebf4784ce92b 525 // Do any bookkeeping needed when moving to new state.
legstar85 16:c63a5d084db0 526 SelectedItem = 0; // Reset the selected item.
legstar85 16:c63a5d084db0 527 NumFramesInState = 0; // Reset the frames in current state count.
legstar85 16:c63a5d084db0 528 //
legstar85 16:c63a5d084db0 529 if(fp){ //
legstar85 16:c63a5d084db0 530 fclose(fp); // Ensure we close the file if the current state had one open.
legstar85 16:c63a5d084db0 531 fp = NULL; //
legstar85 16:c63a5d084db0 532 } //
legstar85 6:ebf4784ce92b 533 lcd.clear(); // Clear the display for one frame on state transition.
legstar85 16:c63a5d084db0 534 } //
legstar85 16:c63a5d084db0 535 else //
legstar85 16:c63a5d084db0 536 { //
legstar85 16:c63a5d084db0 537 ++NumFramesInState; //
legstar85 16:c63a5d084db0 538
legstar85 13:5ad65a688f3f 539 unsigned int SelectionMarkerRadius = 4; // If we have not selected to move to a new menu.
legstar85 13:5ad65a688f3f 540 unsigned int SelectionMarkerX = WIDTH - (2 * SelectionMarkerRadius); // Draw a marker circle at end of line to show which is the currently selected item.
legstar85 13:5ad65a688f3f 541 unsigned int SelectionMarkerY = (HEIGHT / 5) * (SelectedItem + 1); // +1 because of the menu title being on first row
legstar85 13:5ad65a688f3f 542 lcd.drawCircle(SelectionMarkerX, SelectionMarkerY, SelectionMarkerRadius, FILL_BLACK); // Fill the circle black so it can be seen easily
legstar85 6:ebf4784ce92b 543
legstar85 6:ebf4784ce92b 544 // Handle Joystick Input
legstar85 16:c63a5d084db0 545 Direction d = joystick.get_direction(); //
legstar85 16:c63a5d084db0 546 printf("Direction = %i\n", d); //
legstar85 13:5ad65a688f3f 547 switch (joystick.get_direction()) { // Call to check direction joystick is pointing
legstar85 16:c63a5d084db0 548 case N: //
legstar85 16:c63a5d084db0 549 { //
legstar85 16:c63a5d084db0 550 SelectedItem--; //
legstar85 16:c63a5d084db0 551 printf("Selection decremented to %i\n", SelectedItem); //
legstar85 16:c63a5d084db0 552 } //
legstar85 6:ebf4784ce92b 553 break; //
legstar85 16:c63a5d084db0 554 case S: //
legstar85 16:c63a5d084db0 555 { //
legstar85 16:c63a5d084db0 556 SelectedItem++; //
legstar85 16:c63a5d084db0 557 printf("Selection incremented to %i\n", SelectedItem); //
legstar85 16:c63a5d084db0 558 } //
legstar85 6:ebf4784ce92b 559 break; //
legstar85 16:c63a5d084db0 560 } //
legstar85 9:d71b92c916f8 561 if(SelectedItem < 0) // Wrap the selection around to the start/end of the menu if it goes below 0 or above NumMenuItems.
legstar85 16:c63a5d084db0 562 { //
legstar85 9:d71b92c916f8 563 SelectedItem = NumMenuItems - 1; //
legstar85 16:c63a5d084db0 564 } //
legstar85 9:d71b92c916f8 565 else if(SelectedItem >= NumMenuItems) //
legstar85 16:c63a5d084db0 566 { //
legstar85 9:d71b92c916f8 567 SelectedItem = 0; //
legstar85 16:c63a5d084db0 568 } //
legstar85 16:c63a5d084db0 569 } //
legstar85 15:0cd78b44ea83 570 lcd.refresh(); // Finally update the display.
legstar85 16:c63a5d084db0 571 } //
legstar85 16:c63a5d084db0 572 } //
legstar85 16:c63a5d084db0 573 } //
legstar85 16:c63a5d084db0 574 //
legstar85 11:a6eec09b546e 575 void StartTemp() //
legstar85 16:c63a5d084db0 576 { //
legstar85 11:a6eec09b546e 577 Direction d = joystick.get_direction(); //
legstar85 16:c63a5d084db0 578 //
legstar85 11:a6eec09b546e 579 g_StartTemp = fsm[g_state].output; // set ouput depending on current state
legstar85 11:a6eec09b546e 580 wait(fsm[g_state].time); // wait in that state for desired time
legstar85 11:a6eec09b546e 581 g_state = fsm[g_state].nextState[d]; // read input and update curent state
legstar85 16:c63a5d084db0 582 } //