![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
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?
User | Revision | Line number | New 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 | } // |