![](/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@8:07323fcab6d1, 2022-01-16 (annotated)
- Committer:
- legstar85
- Date:
- Sun Jan 16 22:46:29 2022 +0000
- Revision:
- 8:07323fcab6d1
- Parent:
- 7:d77e95505e43
- Child:
- 9:d71b92c916f8
New version - adding of lights/controls to temperature monitoring
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
legstar85 | 4:0090145b3286 | 1 | /* |
legstar85 | 2:e0091b5311f1 | 2 | * @ File main.cpp |
legstar85 | 4:0090145b3286 | 3 | * @ Author - David Leaming - 25574043 |
legstar85 | 2:e0091b5311f1 | 4 | * @ Date - December 2021 |
legstar85 | 2:e0091b5311f1 | 5 | * |
legstar85 | 2:e0091b5311f1 | 6 | * Acknowledgements |
legstar85 | 2:e0091b5311f1 | 7 | * Craig A. Evans, University of Leeds, TMP102 Library ,Feb 2016 |
legstar85 | 2:e0091b5311f1 | 8 | * Dr Edmond Nurellari, University of Lincoln, Joystick & N5110 Libraries |
legstar85 | 2:e0091b5311f1 | 9 | * |
eencae | 0:21a200b880d7 | 10 | */ |
eencae | 0:21a200b880d7 | 11 | |
legstar85 | 2:e0091b5311f1 | 12 | #include "mbed.h" // include the library header, ensure the library has been imported into the project |
eencae | 1:dd5fb735acf1 | 13 | #include "TMP102.h" |
legstar85 | 2:e0091b5311f1 | 14 | #include "N5110.h" |
legstar85 | 2:e0091b5311f1 | 15 | #include "Joystick.h" |
legstar85 | 2:e0091b5311f1 | 16 | #include "Bitmap.h" |
eencae | 0:21a200b880d7 | 17 | |
legstar85 | 2:e0091b5311f1 | 18 | TMP102 tmp102(I2C_SDA,I2C_SCL); // Create TMP102 object |
legstar85 | 2:e0091b5311f1 | 19 | |
legstar85 | 2:e0091b5311f1 | 20 | // VCC,SCE,RST,D/C,MOSI,SCLK,LED |
legstar85 | 2:e0091b5311f1 | 21 | N5110 lcd(PTC9,PTC0,PTC7,PTD2,PTD1,PTC11); // Create Screen Object - K64F - pwr from 3V3, GND Pin also needs connecting |
legstar85 | 2:e0091b5311f1 | 22 | |
legstar85 | 3:80c1eba78f9b | 23 | // y x button |
legstar85 | 3:80c1eba78f9b | 24 | Joystick joystick(PTB10,PTB11,PTC16); // Define Joystick Object |
eencae | 0:21a200b880d7 | 25 | |
legstar85 | 2:e0091b5311f1 | 26 | Serial pc(USBTX,USBRX); // UART connection for PC |
legstar85 | 2:e0091b5311f1 | 27 | |
legstar85 | 5:eebd36a47049 | 28 | Ticker ticker_menu; // Create Menu ticker object |
legstar85 | 5:eebd36a47049 | 29 | |
legstar85 | 2:e0091b5311f1 | 30 | DigitalOut r_led(LED_RED); // K64F on-board LEDs |
legstar85 | 2:e0091b5311f1 | 31 | DigitalOut g_led(LED_GREEN); // K64F on-board LEDs |
legstar85 | 2:e0091b5311f1 | 32 | DigitalOut b_led(LED_BLUE); // K64F on-board LEDs |
eencae | 0:21a200b880d7 | 33 | |
legstar85 | 8:07323fcab6d1 | 34 | PwmOut LED01 (PTA1); // PCB Surface Mounted LED's - LED1 |
legstar85 | 8:07323fcab6d1 | 35 | PwmOut LED02 (PTA2); // PCB Surface Mounted LED's - LED2 |
legstar85 | 8:07323fcab6d1 | 36 | PwmOut LED03 (PTC2); // PCB Surface Mounted LED's - LED3 |
legstar85 | 8:07323fcab6d1 | 37 | PwmOut LED04 (PTC3); // PCB Surface Mounted LED's - LED4 |
legstar85 | 8:07323fcab6d1 | 38 | PwmOut LED05 (PTC4); // PCB Surface Mounted LED's - LED5 |
legstar85 | 8:07323fcab6d1 | 39 | PwmOut LED06 (PTD3); // PCB Surface Mounted LED's - LED6 |
legstar85 | 8:07323fcab6d1 | 40 | |
legstar85 | 8:07323fcab6d1 | 41 | PwmOut Buzzer (PTC10); // PCB Surface Mounted Piezo Buzzer |
legstar85 | 3:80c1eba78f9b | 42 | |
legstar85 | 2:e0091b5311f1 | 43 | InterruptIn sw2(SW2); // K64F on-board switches |
legstar85 | 2:e0091b5311f1 | 44 | InterruptIn sw3(SW3); // K64F on-board switches |
legstar85 | 3:80c1eba78f9b | 45 | InterruptIn ButtonA (PTB9); // PCB Button - A |
legstar85 | 3:80c1eba78f9b | 46 | InterruptIn ButtonB (PTD0); // PCB Button - B |
legstar85 | 7:d77e95505e43 | 47 | InterruptIn ButtonBack (PTB10); // PCB Button - Back |
legstar85 | 3:80c1eba78f9b | 48 | |
legstar85 | 5:eebd36a47049 | 49 | 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 | 5:eebd36a47049 | 50 | 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 | 7:d77e95505e43 | 51 | 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 | 5:eebd36a47049 | 52 | 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 | 5:eebd36a47049 | 53 | 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 | 54 | volatile int option = 0; // Menu option selection based on joystick direction |
legstar85 | 2:e0091b5311f1 | 55 | |
legstar85 | 2:e0091b5311f1 | 56 | void error(); // error function hangs flashing an LED |
legstar85 | 2:e0091b5311f1 | 57 | void init_serial(); // setup serial port |
legstar85 | 2:e0091b5311f1 | 58 | void init_K64F(); // set-up the on-board LEDs and switches |
legstar85 | 3:80c1eba78f9b | 59 | void init_PCB(); // set-up the PCB LEDs and buttons |
legstar85 | 5:eebd36a47049 | 60 | void ButtonA_isr(); // |
legstar85 | 5:eebd36a47049 | 61 | void ButtonB_isr(); // |
legstar85 | 7:d77e95505e43 | 62 | void ButtonBack_isr(); // |
legstar85 | 5:eebd36a47049 | 63 | void sw2_isr(); // |
legstar85 | 5:eebd36a47049 | 64 | void menu_timer_isr(); // |
legstar85 | 6:ebf4784ce92b | 65 | void OnStartup(); // |
legstar85 | 6:ebf4784ce92b | 66 | void Run(); // |
legstar85 | 6:ebf4784ce92b | 67 | void ConstantMonitoring(); // |
eencae | 0:21a200b880d7 | 68 | |
eencae | 0:21a200b880d7 | 69 | int main() |
eencae | 0:21a200b880d7 | 70 | { |
legstar85 | 2:e0091b5311f1 | 71 | init_K64F(); // initialise the board |
legstar85 | 2:e0091b5311f1 | 72 | init_serial(); // initialise the serial port |
legstar85 | 3:80c1eba78f9b | 73 | init_PCB(); // initialise the PCB |
legstar85 | 3:80c1eba78f9b | 74 | |
legstar85 | 2:e0091b5311f1 | 75 | tmp102.init(); // call the sensor init method using dot syntax |
legstar85 | 2:e0091b5311f1 | 76 | lcd.init(); // initialise display |
legstar85 | 3:80c1eba78f9b | 77 | joystick.init(); // initialise joystick |
legstar85 | 3:80c1eba78f9b | 78 | |
legstar85 | 5:eebd36a47049 | 79 | ticker_menu.attach(&menu_timer_isr,0.2); // Attach ticker for the Joystick |
legstar85 | 5:eebd36a47049 | 80 | |
legstar85 | 3:80c1eba78f9b | 81 | 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 | 82 | 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 | 83 | ButtonB.rise(&ButtonB_isr); // External push button, pin set to 0V by pull down command, means a rising edge is looked for |
legstar85 | 2:e0091b5311f1 | 84 | |
legstar85 | 2:e0091b5311f1 | 85 | lcd.setContrast(0.5); // change set contrast in range 0.0 to 1.0 |
eencae | 0:21a200b880d7 | 86 | |
legstar85 | 6:ebf4784ce92b | 87 | OnStartup(); // |
legstar85 | 6:ebf4784ce92b | 88 | Run(); // |
legstar85 | 5:eebd36a47049 | 89 | |
legstar85 | 5:eebd36a47049 | 90 | } |
eencae | 0:21a200b880d7 | 91 | |
eencae | 0:21a200b880d7 | 92 | void init_serial() { |
legstar85 | 2:e0091b5311f1 | 93 | pc.baud(115200); // set to highest baud - ensure terminal software matches |
eencae | 0:21a200b880d7 | 94 | } |
eencae | 0:21a200b880d7 | 95 | |
eencae | 0:21a200b880d7 | 96 | void init_K64F() |
eencae | 0:21a200b880d7 | 97 | { |
legstar85 | 2:e0091b5311f1 | 98 | r_led = 1; // on-board LEDs are active-low, so set pin high to turn them off. |
legstar85 | 2:e0091b5311f1 | 99 | g_led = 1; // on-board LEDs are active-low, so set pin high to turn them off. |
legstar85 | 2:e0091b5311f1 | 100 | b_led = 1; // on-board LEDs are active-low, so set pin high to turn them off. |
eencae | 0:21a200b880d7 | 101 | |
legstar85 | 2:e0091b5311f1 | 102 | sw2.mode(PullNone); // since the on-board switches have external pull-ups, we should disable the internal pull-down |
legstar85 | 2:e0091b5311f1 | 103 | sw3.mode(PullNone); // resistors that are enabled by default using InterruptIn |
eencae | 0:21a200b880d7 | 104 | |
eencae | 0:21a200b880d7 | 105 | } |
legstar85 | 3:80c1eba78f9b | 106 | |
legstar85 | 3:80c1eba78f9b | 107 | void init_PCB () |
legstar85 | 3:80c1eba78f9b | 108 | { |
legstar85 | 3:80c1eba78f9b | 109 | LED01 = 1; // PCB surface mounted LED's are active low - write a 1 to turn them off initiallly |
legstar85 | 3:80c1eba78f9b | 110 | LED02 = 1; |
legstar85 | 3:80c1eba78f9b | 111 | LED03 = 1; |
legstar85 | 3:80c1eba78f9b | 112 | LED04 = 1; |
legstar85 | 3:80c1eba78f9b | 113 | LED05 = 1; |
legstar85 | 3:80c1eba78f9b | 114 | LED06 = 1; |
legstar85 | 3:80c1eba78f9b | 115 | |
legstar85 | 3:80c1eba78f9b | 116 | 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 | 117 | ButtonB.mode(PullDown); // Set pin to Pull Down to OV, meaning that a rising edge is looked for when button is pressed |
legstar85 | 3:80c1eba78f9b | 118 | |
legstar85 | 3:80c1eba78f9b | 119 | } |
legstar85 | 3:80c1eba78f9b | 120 | |
legstar85 | 3:80c1eba78f9b | 121 | void ButtonA_isr() // ButtonA event-triggered interrupt |
legstar85 | 3:80c1eba78f9b | 122 | { |
legstar85 | 3:80c1eba78f9b | 123 | g_ButtonA_flag = 1; // set flag in ISR |
legstar85 | 3:80c1eba78f9b | 124 | } |
legstar85 | 3:80c1eba78f9b | 125 | |
legstar85 | 3:80c1eba78f9b | 126 | void ButtonB_isr() // ButtonB event-triggered interrupt |
legstar85 | 3:80c1eba78f9b | 127 | { |
legstar85 | 3:80c1eba78f9b | 128 | g_ButtonB_flag = 1; // set flag in ISR |
legstar85 | 3:80c1eba78f9b | 129 | } |
legstar85 | 3:80c1eba78f9b | 130 | |
legstar85 | 7:d77e95505e43 | 131 | void ButtonBack_isr() // ButtonB event-triggered interrupt |
legstar85 | 7:d77e95505e43 | 132 | { |
legstar85 | 7:d77e95505e43 | 133 | g_ButtonBack_flag = 1; // set flag in ISR |
legstar85 | 7:d77e95505e43 | 134 | } |
legstar85 | 7:d77e95505e43 | 135 | |
legstar85 | 3:80c1eba78f9b | 136 | void sw2_isr() // SW2 event-triggered interrupt |
legstar85 | 3:80c1eba78f9b | 137 | { |
legstar85 | 3:80c1eba78f9b | 138 | g_sw2_flag = 1; // set flag in ISR |
legstar85 | 5:eebd36a47049 | 139 | } |
legstar85 | 5:eebd36a47049 | 140 | |
legstar85 | 5:eebd36a47049 | 141 | void menu_timer_isr() |
legstar85 | 5:eebd36a47049 | 142 | { |
legstar85 | 6:ebf4784ce92b | 143 | g_menu_timer_flag = 1; // set flag in ISR |
legstar85 | 6:ebf4784ce92b | 144 | } |
legstar85 | 6:ebf4784ce92b | 145 | |
legstar85 | 6:ebf4784ce92b | 146 | void OnStartup() //Run some start up display |
legstar85 | 6:ebf4784ce92b | 147 | { |
legstar85 | 6:ebf4784ce92b | 148 | lcd.clear(); // clear buffer at start of every loop |
legstar85 | 7:d77e95505e43 | 149 | 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 | 150 | lcd.printString(" Smart Cold",0,1); // Just a welcome message before auto moving to main menu |
legstar85 | 7:d77e95505e43 | 151 | lcd.printString(" Storage",0,2); // |
legstar85 | 7:d77e95505e43 | 152 | lcd.printString(" Monitoring",0,3); // |
legstar85 | 8:07323fcab6d1 | 153 | lcd.printString("V09 - Jan 2022",0,4); // |
legstar85 | 7:d77e95505e43 | 154 | lcd.printString("--------------",0,5); // |
legstar85 | 6:ebf4784ce92b | 155 | lcd.refresh(); // need to refresh display after setting pixels or writing strings |
legstar85 | 6:ebf4784ce92b | 156 | wait(5.0); // leave welcome screen on for designated amount of time |
legstar85 | 6:ebf4784ce92b | 157 | lcd.clear(); // clear buffer at start of every loop |
legstar85 | 6:ebf4784ce92b | 158 | lcd.refresh(); // need to refresh display after setting pixels or writing strings |
legstar85 | 8:07323fcab6d1 | 159 | lcd.printString("--------------",0,0); // |
legstar85 | 8:07323fcab6d1 | 160 | lcd.printString(" Use Joystick",0,1); // Instruction for use of menu |
legstar85 | 8:07323fcab6d1 | 161 | lcd.printString(" To Navigate",0,2); // |
legstar85 | 8:07323fcab6d1 | 162 | lcd.printString("",0,3); // Blank Line |
legstar85 | 8:07323fcab6d1 | 163 | lcd.printString(" A = Select",0,4); // |
legstar85 | 8:07323fcab6d1 | 164 | lcd.printString("--------------",0,5); // |
legstar85 | 6:ebf4784ce92b | 165 | lcd.refresh(); // need to refresh display after setting pixels or writing strings |
legstar85 | 7:d77e95505e43 | 166 | wait(5.0); // |
legstar85 | 5:eebd36a47049 | 167 | } |
legstar85 | 5:eebd36a47049 | 168 | |
legstar85 | 6:ebf4784ce92b | 169 | enum EMenuState //An enum controlling the current state of the display. |
legstar85 | 6:ebf4784ce92b | 170 | { |
legstar85 | 6:ebf4784ce92b | 171 | MENUSTATE_Main, |
legstar85 | 6:ebf4784ce92b | 172 | MENUSTATE_Monitor, |
legstar85 | 6:ebf4784ce92b | 173 | MENUSTATE_OneOff, |
legstar85 | 6:ebf4784ce92b | 174 | MENUSTATE_About, |
legstar85 | 7:d77e95505e43 | 175 | MENUSTATE_Author, |
legstar85 | 6:ebf4784ce92b | 176 | |
legstar85 | 6:ebf4784ce92b | 177 | MENUSTATTE_Num, // This is a special enum value that just gives is a way to get the number of elements in the enum. |
legstar85 | 6:ebf4784ce92b | 178 | }; |
legstar85 | 6:ebf4784ce92b | 179 | |
legstar85 | 6:ebf4784ce92b | 180 | void Run() |
legstar85 | 5:eebd36a47049 | 181 | { |
legstar85 | 6:ebf4784ce92b | 182 | int MenuState; |
legstar85 | 6:ebf4784ce92b | 183 | int SelectedItem = 0; |
legstar85 | 6:ebf4784ce92b | 184 | int NumMenuItems = 1; |
legstar85 | 6:ebf4784ce92b | 185 | |
legstar85 | 7:d77e95505e43 | 186 | char buffer[14]; // each character is 6 pixels wide, screen is 84 pixels (84/6 = 14) |
legstar85 | 7:d77e95505e43 | 187 | |
legstar85 | 6:ebf4784ce92b | 188 | while(1){ |
legstar85 | 6:ebf4784ce92b | 189 | if (g_menu_timer_flag){ |
legstar85 | 5:eebd36a47049 | 190 | g_menu_timer_flag = 0; |
legstar85 | 5:eebd36a47049 | 191 | |
legstar85 | 6:ebf4784ce92b | 192 | bool bAButtonWasPressed = g_ButtonA_flag; // Get the value of the input flags and reset them |
legstar85 | 6:ebf4784ce92b | 193 | bool bBButtonWasPressed = g_ButtonB_flag; |
legstar85 | 6:ebf4784ce92b | 194 | g_ButtonA_flag = 0; |
legstar85 | 6:ebf4784ce92b | 195 | g_ButtonB_flag = 0; |
legstar85 | 6:ebf4784ce92b | 196 | |
legstar85 | 5:eebd36a47049 | 197 | lcd.clear(); // clear buffer at start of every loop |
legstar85 | 6:ebf4784ce92b | 198 | |
legstar85 | 6:ebf4784ce92b | 199 | int NewMenuState = MENUSTATTE_Num; // The new menu we want to transition to, if any. |
legstar85 | 6:ebf4784ce92b | 200 | |
legstar85 | 6:ebf4784ce92b | 201 | switch(MenuState) // Update and Draw whichever menu we're on. |
legstar85 | 6:ebf4784ce92b | 202 | { |
legstar85 | 6:ebf4784ce92b | 203 | case MENUSTATE_Main: |
legstar85 | 6:ebf4784ce92b | 204 | { |
legstar85 | 6:ebf4784ce92b | 205 | |
legstar85 | 7:d77e95505e43 | 206 | NumMenuItems = 4; // Dont for get to set this when changing number of items in the menu. We need this to wrap the selection around properly etc. |
legstar85 | 6:ebf4784ce92b | 207 | if(SelectedItem >= NumMenuItems) |
legstar85 | 6:ebf4784ce92b | 208 | { |
legstar85 | 6:ebf4784ce92b | 209 | |
legstar85 | 6:ebf4784ce92b | 210 | SelectedItem = 0; // Something has gone wrong, reset selected item. |
legstar85 | 6:ebf4784ce92b | 211 | } |
legstar85 | 6:ebf4784ce92b | 212 | lcd.printString("---- MENU ----",0,0); |
legstar85 | 6:ebf4784ce92b | 213 | lcd.printString("M1 - Monitor",0,1); |
legstar85 | 6:ebf4784ce92b | 214 | lcd.printString("M2 - One-off",0,2); |
legstar85 | 6:ebf4784ce92b | 215 | lcd.printString("About",0,3); |
legstar85 | 7:d77e95505e43 | 216 | lcd.printString("Author",0,4); |
legstar85 | 6:ebf4784ce92b | 217 | |
legstar85 | 6:ebf4784ce92b | 218 | if(bAButtonWasPressed) // If A was pressed then we transition to the selected screen. |
legstar85 | 6:ebf4784ce92b | 219 | { |
legstar85 | 8:07323fcab6d1 | 220 | if(SelectedItem == 0) // If 0 line is selected, move to detailed menu |
legstar85 | 8:07323fcab6d1 | 221 | { // Actually 0 line + 1, see circle draw and selection below |
legstar85 | 6:ebf4784ce92b | 222 | NewMenuState = MENUSTATE_Monitor; |
legstar85 | 6:ebf4784ce92b | 223 | } |
legstar85 | 8:07323fcab6d1 | 224 | else if(SelectedItem == 1) // If 1 line is selected, move to detailed menu |
legstar85 | 8:07323fcab6d1 | 225 | { // Actually 1 line + 1, see circle draw and selection below |
legstar85 | 6:ebf4784ce92b | 226 | NewMenuState = MENUSTATE_OneOff; |
legstar85 | 6:ebf4784ce92b | 227 | } |
legstar85 | 8:07323fcab6d1 | 228 | else if(SelectedItem == 2) // If 2 line is selected, move to detailed menu |
legstar85 | 8:07323fcab6d1 | 229 | { // Actually 2 line + 1, see circle draw and selection below |
legstar85 | 6:ebf4784ce92b | 230 | NewMenuState = MENUSTATE_About; |
legstar85 | 6:ebf4784ce92b | 231 | } |
legstar85 | 8:07323fcab6d1 | 232 | else if(SelectedItem == 3) // If 3 line is selected, move to detailed menu |
legstar85 | 8:07323fcab6d1 | 233 | { // Actually 3 line + 1, see circle draw and selection below |
legstar85 | 7:d77e95505e43 | 234 | NewMenuState = MENUSTATE_Author; |
legstar85 | 7:d77e95505e43 | 235 | } |
legstar85 | 6:ebf4784ce92b | 236 | } |
legstar85 | 6:ebf4784ce92b | 237 | } |
legstar85 | 6:ebf4784ce92b | 238 | break; |
legstar85 | 6:ebf4784ce92b | 239 | case MENUSTATE_Monitor: |
legstar85 | 6:ebf4784ce92b | 240 | { |
legstar85 | 6:ebf4784ce92b | 241 | |
legstar85 | 8:07323fcab6d1 | 242 | NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc. |
legstar85 | 6:ebf4784ce92b | 243 | |
legstar85 | 6:ebf4784ce92b | 244 | if(SelectedItem >= NumMenuItems) |
legstar85 | 6:ebf4784ce92b | 245 | { |
legstar85 | 6:ebf4784ce92b | 246 | NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu. |
legstar85 | 6:ebf4784ce92b | 247 | } |
legstar85 | 6:ebf4784ce92b | 248 | |
legstar85 | 7:d77e95505e43 | 249 | float T = tmp102.get_temperature(); // read temperature and print to lcd |
legstar85 | 7:d77e95505e43 | 250 | 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 | 251 | if (length <= 14) // if string will fit on display (assuming printing at x=0) |
legstar85 | 7:d77e95505e43 | 252 | lcd.printString("-- Constant --",0,0); |
legstar85 | 7:d77e95505e43 | 253 | lcd.printString("- Monitoring -",0,1); |
legstar85 | 7:d77e95505e43 | 254 | lcd.printString(buffer,0,3); // display on screen |
legstar85 | 7:d77e95505e43 | 255 | lcd.printString(" 'A' to Menu",0,5); |
legstar85 | 7:d77e95505e43 | 256 | lcd.refresh(); // need to refresh display after setting pixels or writing strings |
legstar85 | 8:07323fcab6d1 | 257 | wait(0.5); |
legstar85 | 8:07323fcab6d1 | 258 | |
legstar85 | 8:07323fcab6d1 | 259 | float high_temp = tmp102.get_temperature(); // read temperature |
legstar85 | 8:07323fcab6d1 | 260 | if (high_temp >= 22) { // High temp alarm condition - in real world would be lot lower!! |
legstar85 | 8:07323fcab6d1 | 261 | LED01 = 0; // Light LED01 if temperature is over specified |
legstar85 | 8:07323fcab6d1 | 262 | LED02 = 0; // Light LED02 if temperature is over specified |
legstar85 | 8:07323fcab6d1 | 263 | LED03 = 0; // Light LED03 if temperature is over specified |
legstar85 | 8:07323fcab6d1 | 264 | } |
legstar85 | 8:07323fcab6d1 | 265 | else { |
legstar85 | 8:07323fcab6d1 | 266 | LED01 = 1; // LED01 off if temperature is below specified |
legstar85 | 8:07323fcab6d1 | 267 | LED02 = 1; // LED01 off if temperature is below specified |
legstar85 | 8:07323fcab6d1 | 268 | LED03 = 1; // LED01 off if temperature is below specified |
legstar85 | 8:07323fcab6d1 | 269 | } |
legstar85 | 7:d77e95505e43 | 270 | |
legstar85 | 6:ebf4784ce92b | 271 | if(bAButtonWasPressed) |
legstar85 | 6:ebf4784ce92b | 272 | { |
legstar85 | 6:ebf4784ce92b | 273 | if(SelectedItem == 0) |
legstar85 | 6:ebf4784ce92b | 274 | { |
legstar85 | 6:ebf4784ce92b | 275 | NewMenuState = MENUSTATE_Main; |
legstar85 | 6:ebf4784ce92b | 276 | } |
legstar85 | 6:ebf4784ce92b | 277 | } |
legstar85 | 6:ebf4784ce92b | 278 | } |
legstar85 | 6:ebf4784ce92b | 279 | break; |
legstar85 | 6:ebf4784ce92b | 280 | case MENUSTATE_OneOff: |
legstar85 | 6:ebf4784ce92b | 281 | { |
legstar85 | 6:ebf4784ce92b | 282 | |
legstar85 | 8:07323fcab6d1 | 283 | NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc. |
legstar85 | 6:ebf4784ce92b | 284 | if(SelectedItem >= NumMenuItems) |
legstar85 | 6:ebf4784ce92b | 285 | { |
legstar85 | 7:d77e95505e43 | 286 | NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu. |
legstar85 | 6:ebf4784ce92b | 287 | } |
legstar85 | 6:ebf4784ce92b | 288 | |
legstar85 | 8:07323fcab6d1 | 289 | float T = tmp102.get_temperature(); // read temperature and print to lcd |
legstar85 | 8:07323fcab6d1 | 290 | 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 | 8:07323fcab6d1 | 291 | if (length <= 14) // if string will fit on display (assuming printing at x=0) |
legstar85 | 8:07323fcab6d1 | 292 | lcd.printString("-- One-Off --",0,0); |
legstar85 | 8:07323fcab6d1 | 293 | lcd.printString("-- Measure --",0,1); |
legstar85 | 8:07323fcab6d1 | 294 | lcd.printString(buffer,0,3); // display on screen |
legstar85 | 8:07323fcab6d1 | 295 | lcd.printString(" 'A' to Menu",0,5); |
legstar85 | 6:ebf4784ce92b | 296 | |
legstar85 | 6:ebf4784ce92b | 297 | if(bAButtonWasPressed) |
legstar85 | 6:ebf4784ce92b | 298 | { |
legstar85 | 6:ebf4784ce92b | 299 | if(SelectedItem == 0) |
legstar85 | 6:ebf4784ce92b | 300 | { |
legstar85 | 8:07323fcab6d1 | 301 | NewMenuState = MENUSTATE_Main; // Take us back to top menu |
legstar85 | 6:ebf4784ce92b | 302 | } |
legstar85 | 6:ebf4784ce92b | 303 | } |
legstar85 | 6:ebf4784ce92b | 304 | |
legstar85 | 6:ebf4784ce92b | 305 | } |
legstar85 | 6:ebf4784ce92b | 306 | break; |
legstar85 | 6:ebf4784ce92b | 307 | case MENUSTATE_About: |
legstar85 | 6:ebf4784ce92b | 308 | { |
legstar85 | 6:ebf4784ce92b | 309 | |
legstar85 | 8:07323fcab6d1 | 310 | NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc. |
legstar85 | 6:ebf4784ce92b | 311 | if(SelectedItem >= NumMenuItems) |
legstar85 | 6:ebf4784ce92b | 312 | { |
legstar85 | 6:ebf4784ce92b | 313 | NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu. |
legstar85 | 6:ebf4784ce92b | 314 | } |
legstar85 | 6:ebf4784ce92b | 315 | |
legstar85 | 7:d77e95505e43 | 316 | lcd.printString("--- About ---",0,0); |
legstar85 | 7:d77e95505e43 | 317 | lcd.printString("ELE3006M - IoT",0,1); |
legstar85 | 7:d77e95505e43 | 318 | lcd.printString(" Project",0,2); |
legstar85 | 7:d77e95505e43 | 319 | lcd.printString("Uni of Lincoln",0,3); |
legstar85 | 8:07323fcab6d1 | 320 | lcd.printString(" 'A' to Menu",0,5); |
legstar85 | 8:07323fcab6d1 | 321 | lcd.refresh(); |
legstar85 | 6:ebf4784ce92b | 322 | |
legstar85 | 6:ebf4784ce92b | 323 | if(bAButtonWasPressed) |
legstar85 | 6:ebf4784ce92b | 324 | { |
legstar85 | 6:ebf4784ce92b | 325 | if(SelectedItem == 0) |
legstar85 | 6:ebf4784ce92b | 326 | { |
legstar85 | 6:ebf4784ce92b | 327 | NewMenuState = MENUSTATE_Main; |
legstar85 | 6:ebf4784ce92b | 328 | } |
legstar85 | 6:ebf4784ce92b | 329 | } |
legstar85 | 6:ebf4784ce92b | 330 | } |
legstar85 | 6:ebf4784ce92b | 331 | break; |
legstar85 | 7:d77e95505e43 | 332 | case MENUSTATE_Author: |
legstar85 | 7:d77e95505e43 | 333 | { |
legstar85 | 7:d77e95505e43 | 334 | |
legstar85 | 8:07323fcab6d1 | 335 | NumMenuItems = 1; // Detail the number of items in Menu - need this to wrap the selection around properly etc. |
legstar85 | 7:d77e95505e43 | 336 | if(SelectedItem >= NumMenuItems) |
legstar85 | 7:d77e95505e43 | 337 | { |
legstar85 | 7:d77e95505e43 | 338 | NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu. |
legstar85 | 7:d77e95505e43 | 339 | } |
legstar85 | 7:d77e95505e43 | 340 | |
legstar85 | 7:d77e95505e43 | 341 | lcd.printString("--- Author ---",0,0); |
legstar85 | 8:07323fcab6d1 | 342 | lcd.printString("David Leaming ",0,1); |
legstar85 | 8:07323fcab6d1 | 343 | lcd.printString(" 25574043 ",0,2); |
legstar85 | 8:07323fcab6d1 | 344 | lcd.printString(" VolkerRail",0,3); |
legstar85 | 7:d77e95505e43 | 345 | lcd.printString(" 'A' to Menu",0,5); |
legstar85 | 7:d77e95505e43 | 346 | |
legstar85 | 7:d77e95505e43 | 347 | if(bAButtonWasPressed) |
legstar85 | 7:d77e95505e43 | 348 | { |
legstar85 | 7:d77e95505e43 | 349 | if(SelectedItem == 0) |
legstar85 | 7:d77e95505e43 | 350 | { |
legstar85 | 8:07323fcab6d1 | 351 | NewMenuState = MENUSTATE_Main; // Take us back to top menu |
legstar85 | 7:d77e95505e43 | 352 | } |
legstar85 | 7:d77e95505e43 | 353 | } |
legstar85 | 7:d77e95505e43 | 354 | } |
legstar85 | 7:d77e95505e43 | 355 | break; |
legstar85 | 7:d77e95505e43 | 356 | |
legstar85 | 6:ebf4784ce92b | 357 | default: |
legstar85 | 6:ebf4784ce92b | 358 | { |
legstar85 | 6:ebf4784ce92b | 359 | NewMenuState = MENUSTATE_Main; // Something has gone wrong, drop back to the main menu. |
legstar85 | 6:ebf4784ce92b | 360 | } |
legstar85 | 6:ebf4784ce92b | 361 | }; |
legstar85 | 5:eebd36a47049 | 362 | |
legstar85 | 6:ebf4784ce92b | 363 | if(NewMenuState != MENUSTATTE_Num) // If we have requested a new menu state. |
legstar85 | 6:ebf4784ce92b | 364 | { |
legstar85 | 8:07323fcab6d1 | 365 | printf("Transitioning to MenuState: %i\n", NewMenuState); // Observe on serial port - ensure transition to correct screen |
legstar85 | 6:ebf4784ce92b | 366 | |
legstar85 | 6:ebf4784ce92b | 367 | MenuState = NewMenuState; // We want to transition the menu to a new state. |
legstar85 | 6:ebf4784ce92b | 368 | |
legstar85 | 6:ebf4784ce92b | 369 | // Do any bookkeeping needed when moving to new state. |
legstar85 | 6:ebf4784ce92b | 370 | SelectedItem = 0; // Reset the selected item. |
legstar85 | 6:ebf4784ce92b | 371 | |
legstar85 | 6:ebf4784ce92b | 372 | lcd.clear(); // Clear the display for one frame on state transition. |
legstar85 | 6:ebf4784ce92b | 373 | } // Could do something else like invert colour etc here. |
legstar85 | 6:ebf4784ce92b | 374 | else |
legstar85 | 6:ebf4784ce92b | 375 | { |
legstar85 | 6:ebf4784ce92b | 376 | |
legstar85 | 7:d77e95505e43 | 377 | // If we have not selected to move to a new menu. |
legstar85 | 7:d77e95505e43 | 378 | unsigned int SelectionMarkerRadius = 4 ; // Draw a marker circle at end of line to show which is the currently selected item. |
legstar85 | 7:d77e95505e43 | 379 | unsigned int SelectionMarkerX = WIDTH - (2 * SelectionMarkerRadius); |
legstar85 | 8:07323fcab6d1 | 380 | unsigned int SelectionMarkerY = (HEIGHT / 5) * (SelectedItem + 1); // +1 because of the menu title being on first row |
legstar85 | 7:d77e95505e43 | 381 | lcd.drawCircle(SelectionMarkerX, SelectionMarkerY, SelectionMarkerRadius, FILL_BLACK); |
legstar85 | 6:ebf4784ce92b | 382 | |
legstar85 | 6:ebf4784ce92b | 383 | // Handle Joystick Input |
legstar85 | 6:ebf4784ce92b | 384 | switch (joystick.get_direction()) { // Call to check direction joystick is pointing |
legstar85 | 6:ebf4784ce92b | 385 | printf("Direction = %i\n"); // |
legstar85 | 6:ebf4784ce92b | 386 | case N: // |
legstar85 | 6:ebf4784ce92b | 387 | SelectedItem--; // |
legstar85 | 6:ebf4784ce92b | 388 | break; // |
legstar85 | 6:ebf4784ce92b | 389 | case S: // |
legstar85 | 6:ebf4784ce92b | 390 | SelectedItem++; // |
legstar85 | 6:ebf4784ce92b | 391 | break; // |
legstar85 | 6:ebf4784ce92b | 392 | } |
legstar85 | 6:ebf4784ce92b | 393 | |
legstar85 | 6:ebf4784ce92b | 394 | if(SelectedItem < 0) //Wrap the selection around to the start/end of the menu if it goes below 0 or above NumMenuItems. |
legstar85 | 6:ebf4784ce92b | 395 | { |
legstar85 | 6:ebf4784ce92b | 396 | SelectedItem = NumMenuItems - 1; |
legstar85 | 6:ebf4784ce92b | 397 | } |
legstar85 | 6:ebf4784ce92b | 398 | else if(SelectedItem >= NumMenuItems) |
legstar85 | 6:ebf4784ce92b | 399 | { |
legstar85 | 6:ebf4784ce92b | 400 | SelectedItem = 0; |
legstar85 | 6:ebf4784ce92b | 401 | } |
legstar85 | 5:eebd36a47049 | 402 | } |
legstar85 | 5:eebd36a47049 | 403 | |
legstar85 | 6:ebf4784ce92b | 404 | lcd.refresh(); //Finally update the display. |
legstar85 | 6:ebf4784ce92b | 405 | } |
legstar85 | 6:ebf4784ce92b | 406 | } |
legstar85 | 5:eebd36a47049 | 407 | } |
legstar85 | 6:ebf4784ce92b | 408 | |
legstar85 | 5:eebd36a47049 | 409 |