Alex Song / Mbed OS Hexiwear_Example

Example of using Hexiwear buttons and declaring screens.

Dependencies:   FXOS8700 FXAS21002 Hexi_KW40Z Hexi_OLED_SSD1351

main.cpp@3:53c096a80151, 2018-11-21 (annotated)

Committer:
asong
Date:
Wed Nov 21 17:56:31 2018 +0000
Revision:
3:53c096a80151
Parent:
2:824ed4ae8d52 
Example created

Who changed what in which revision?

UserRevisionLine numberNew contents of line
asong 1:e4b38d6918ba 1 /**********************************************************************
asong 1:e4b38d6918ba 2 Texas State University Senior Project - HexiHeart
nbaker 0:d1d36a3da39b 3 Team Zeta: Alex Song, Jasmine Rounsaville, Issam Hichami, Neil Baker
nbaker 0:d1d36a3da39b 4 Version: HexiHeart_1st 11/12/17
nbaker 0:d1d36a3da39b 5 This version has basic menu layout and screen timeout feature. The menu
asong 1:e4b38d6918ba 6 are just placeholders (for the most part) and will be either adjusted or
nbaker 0:d1d36a3da39b 7 replaced with graphic images.
nbaker 0:d1d36a3da39b 8
nbaker 0:d1d36a3da39b 9 ***********************************************************************/
nbaker 0:d1d36a3da39b 10
nbaker 0:d1d36a3da39b 11 #include "mbed.h"
nbaker 0:d1d36a3da39b 12 #include "Hexi_KW40Z.h" // Button and BLE fuctions
nbaker 0:d1d36a3da39b 13 #include "FXOS8700.h" // 3D Accelorometer & Mag
nbaker 0:d1d36a3da39b 14 #include "FXAS21002.h" // 3-Axis Gyroscope
nbaker 0:d1d36a3da39b 15 #include "Hexi_OLED_SSD1351.h" // OLED fuctions
nbaker 0:d1d36a3da39b 16 #include "OLED_types.h" // Text attributs
nbaker 0:d1d36a3da39b 17 #include "string.h"
nbaker 0:d1d36a3da39b 18 #include "OpenSans_Font.h"
asong 1:e4b38d6918ba 19
asong 2:824ed4ae8d52 20
asong 1:e4b38d6918ba 21 /* We need to confirm whether it's better to include and
asong 1:e4b38d6918ba 22 configure every module for lowest power, or whether it's
nbaker 0:d1d36a3da39b 23 better to save memory by not doing that
nbaker 0:d1d36a3da39b 24 */
nbaker 0:d1d36a3da39b 25
nbaker 0:d1d36a3da39b 26 // Definitions
asong 2:824ed4ae8d52 27 #define LED_ON 0
asong 2:824ed4ae8d52 28 #define LED_OFF 1
asong 3:53c096a80151 29 #define SCRN_TIME 60.0
asong 2:824ed4ae8d52 30
asong 1:e4b38d6918ba 31
nbaker 0:d1d36a3da39b 32 void StartHaptic(void);
asong 1:e4b38d6918ba 33 void StartHaptic(int x);
nbaker 0:d1d36a3da39b 34 void StopHaptic(void const *n);
nbaker 0:d1d36a3da39b 35 void error_screen(void);
nbaker 0:d1d36a3da39b 36 void update_display(void);
nbaker 0:d1d36a3da39b 37
asong 1:e4b38d6918ba 38
nbaker 0:d1d36a3da39b 39 // ***************** Global variables ***********************
nbaker 0:d1d36a3da39b 40 char text_1[20]; // Text buffer - Do we need more?
asong 2:824ed4ae8d52 41 char display_buff[30]; //Buffer for conversion to char to display
asong 3:53c096a80151 42 bool OLED_ON = 1;
nbaker 0:d1d36a3da39b 43 uint8_t Screen_Num = 0; // Initialize to main screen
asong 3:53c096a80151 44 uint8_t variableExample = 0;
asong 3:53c096a80151 45
asong 3:53c096a80151 46
nbaker 0:d1d36a3da39b 47 // ***************** Define pins *****************************
asong 3:53c096a80151 48 DigitalOut chips(PTB12);
asong 3:53c096a80151 49
nbaker 0:d1d36a3da39b 50 FXAS21002 gyro(PTC11,PTC10); // Gyroscope
nbaker 0:d1d36a3da39b 51 SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); // SSD1351 OLED Driver (MOSI,SCLK,POWER,CS,RST,DC)
nbaker 0:d1d36a3da39b 52 FXOS8700 accel(PTC11, PTC10); // Accelorometer
nbaker 0:d1d36a3da39b 53 FXOS8700 mag(PTC11, PTC10); // Mag (same chip as Accel)
asong 3:53c096a80151 54
nbaker 0:d1d36a3da39b 55
nbaker 0:d1d36a3da39b 56 DigitalOut RED_Led(LED1);
nbaker 0:d1d36a3da39b 57 DigitalOut GRN_Led(LED2);
nbaker 0:d1d36a3da39b 58 DigitalOut BLU_Led(LED3);
nbaker 0:d1d36a3da39b 59 DigitalOut haptic(PTB9);
nbaker 0:d1d36a3da39b 60
asong 1:e4b38d6918ba 61 /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */
nbaker 0:d1d36a3da39b 62 KW40Z kw40z_device(PTE24, PTE25);
nbaker 0:d1d36a3da39b 63
nbaker 0:d1d36a3da39b 64 /* Define timer for haptic feedback */
nbaker 0:d1d36a3da39b 65 RtosTimer hapticTimer(StopHaptic, osTimerOnce);
nbaker 0:d1d36a3da39b 66
nbaker 0:d1d36a3da39b 67 //***************** Tickers and Timers *****************
nbaker 0:d1d36a3da39b 68 Ticker Screen_Timer;// use ticker to turn off OLED
nbaker 0:d1d36a3da39b 69
asong 1:e4b38d6918ba 70 void timout_timer() // turn off display mode
asong 1:e4b38d6918ba 71 {
asong 1:e4b38d6918ba 72 oled.FillScreen(COLOR_BLACK); // Clear screen.. is there a better command for this?
asong 1:e4b38d6918ba 73 OLED_ON = 0; // set flag to off
asong 1:e4b38d6918ba 74 Screen_Timer.detach();
asong 1:e4b38d6918ba 75 }//end routine
asong 1:e4b38d6918ba 76
nbaker 0:d1d36a3da39b 77 void ButtonUp(void)
nbaker 0:d1d36a3da39b 78 {
asong 1:e4b38d6918ba 79 Screen_Timer.attach(&timout_timer,(SCRN_TIME));//Is this sufficient to reset/restart ticker timer for OLED?
asong 1:e4b38d6918ba 80 if (OLED_ON == 0) {
asong 1:e4b38d6918ba 81 OLED_ON = 1; // Scree was off, set to On
asong 1:e4b38d6918ba 82 update_display();
asong 1:e4b38d6918ba 83 } else {
asong 1:e4b38d6918ba 84 switch(Screen_Num) {
asong 1:e4b38d6918ba 85 case 0: {// We're in Main Screen
asong 1:e4b38d6918ba 86 StartHaptic();
asong 1:e4b38d6918ba 87 update_display();
asong 1:e4b38d6918ba 88 break;
asong 1:e4b38d6918ba 89 }
asong 3:53c096a80151 90 case 1: {// Second Screen
asong 3:53c096a80151 91
asong 1:e4b38d6918ba 92 update_display();
asong 1:e4b38d6918ba 93 StartHaptic();
asong 3:53c096a80151 94
asong 1:e4b38d6918ba 95 }
asong 1:e4b38d6918ba 96 default: {
asong 1:e4b38d6918ba 97 break;
asong 1:e4b38d6918ba 98 }
asong 1:e4b38d6918ba 99 }
nbaker 0:d1d36a3da39b 100 }
asong 1:e4b38d6918ba 101
nbaker 0:d1d36a3da39b 102 }
nbaker 0:d1d36a3da39b 103
nbaker 0:d1d36a3da39b 104 void ButtonDown(void)
nbaker 0:d1d36a3da39b 105 {
asong 1:e4b38d6918ba 106 Screen_Timer.attach(&timout_timer,(SCRN_TIME));//Is this sufficient to reset/restart ticker timer for OLED?
asong 1:e4b38d6918ba 107 if (OLED_ON == 0) {
asong 1:e4b38d6918ba 108 OLED_ON = 1; // Screen was off, set to On
asong 1:e4b38d6918ba 109 update_display();
asong 1:e4b38d6918ba 110 } else {
nbaker 0:d1d36a3da39b 111
asong 1:e4b38d6918ba 112 switch(Screen_Num) {
asong 1:e4b38d6918ba 113 case 0: {// We're in Main Screen
asong 3:53c096a80151 114 StartHaptic();
asong 1:e4b38d6918ba 115 update_display();
asong 1:e4b38d6918ba 116 break;
asong 1:e4b38d6918ba 117 }
asong 3:53c096a80151 118 case 1: {// Second Screen
asong 1:e4b38d6918ba 119 StartHaptic();
asong 1:e4b38d6918ba 120 break;
asong 1:e4b38d6918ba 121 }
asong 1:e4b38d6918ba 122 default: {
asong 1:e4b38d6918ba 123 break;
asong 1:e4b38d6918ba 124 }
asong 1:e4b38d6918ba 125 }
nbaker 0:d1d36a3da39b 126 }
nbaker 0:d1d36a3da39b 127 }
nbaker 0:d1d36a3da39b 128
nbaker 0:d1d36a3da39b 129 void ButtonRight(void)
nbaker 0:d1d36a3da39b 130 {
asong 1:e4b38d6918ba 131 Screen_Timer.attach(&timout_timer,(SCRN_TIME));//Is this sufficient to reset/restart ticker timer for OLED?
asong 1:e4b38d6918ba 132 if (OLED_ON == 0) {
asong 1:e4b38d6918ba 133 OLED_ON = 1; // Screen was off, set to On
asong 1:e4b38d6918ba 134 update_display();
asong 1:e4b38d6918ba 135 } else {
asong 3:53c096a80151 136 switch(Screen_Num)
asong 3:53c096a80151 137 {
asong 1:e4b38d6918ba 138 case 0: {// We're in Main Screen
asong 1:e4b38d6918ba 139 StartHaptic();
asong 3:53c096a80151 140 variableExample++;
asong 2:824ed4ae8d52 141 update_display();
asong 1:e4b38d6918ba 142 break;
asong 1:e4b38d6918ba 143 }
asong 3:53c096a80151 144 default:{
asong 1:e4b38d6918ba 145 break;
asong 1:e4b38d6918ba 146 }
asong 1:e4b38d6918ba 147 }
nbaker 0:d1d36a3da39b 148 }
nbaker 0:d1d36a3da39b 149 }
nbaker 0:d1d36a3da39b 150 void ButtonLeft(void)
nbaker 0:d1d36a3da39b 151 {
asong 1:e4b38d6918ba 152 Screen_Timer.attach(&timout_timer,(SCRN_TIME));//Is this sufficient to reset/restart ticker timer for OLED?
asong 1:e4b38d6918ba 153 if (OLED_ON == 0) {
asong 1:e4b38d6918ba 154 OLED_ON = 1; // Screen was off, set to On
asong 1:e4b38d6918ba 155 update_display();
asong 1:e4b38d6918ba 156 } else {
asong 1:e4b38d6918ba 157 switch(Screen_Num) {
asong 1:e4b38d6918ba 158 case 0: {// We're in Main Screen
asong 3:53c096a80151 159 StartHaptic();
asong 3:53c096a80151 160 variableExample--;
asong 1:e4b38d6918ba 161 update_display();
asong 1:e4b38d6918ba 162 break;
asong 1:e4b38d6918ba 163 }
asong 3:53c096a80151 164 case 1:{
asong 1:e4b38d6918ba 165 Screen_Num = 0;
asong 1:e4b38d6918ba 166 update_display();
asong 3:53c096a80151 167 break;
asong 1:e4b38d6918ba 168 }
asong 1:e4b38d6918ba 169 }
nbaker 0:d1d36a3da39b 170 }
nbaker 0:d1d36a3da39b 171 }
nbaker 0:d1d36a3da39b 172
nbaker 0:d1d36a3da39b 173
nbaker 0:d1d36a3da39b 174 int main()
nbaker 0:d1d36a3da39b 175 {
nbaker 0:d1d36a3da39b 176 oled.FillScreen(COLOR_BLACK); // Clear screen
asong 1:e4b38d6918ba 177 // ***************** Local variables ***********************
asong 1:e4b38d6918ba 178 // float accel_data[3]; float accel_rms=0.0;
asong 1:e4b38d6918ba 179
nbaker 0:d1d36a3da39b 180 // ************** configure sensor modules ******************
nbaker 0:d1d36a3da39b 181 accel.accel_config();
nbaker 0:d1d36a3da39b 182 mag.mag_config();
nbaker 0:d1d36a3da39b 183 // gyro.gyro_config();
asong 3:53c096a80151 184 // maxim = 1;
asong 3:53c096a80151 185 chips = 1;
asong 1:e4b38d6918ba 186
nbaker 0:d1d36a3da39b 187 RED_Led = LED_OFF;
nbaker 0:d1d36a3da39b 188 GRN_Led = LED_OFF;
nbaker 0:d1d36a3da39b 189 BLU_Led = LED_OFF;
nbaker 0:d1d36a3da39b 190 // ***** Register callbacks/interupts to application functions *********
nbaker 0:d1d36a3da39b 191 kw40z_device.attach_buttonUp(&ButtonUp);
nbaker 0:d1d36a3da39b 192 kw40z_device.attach_buttonDown(&ButtonDown);
nbaker 0:d1d36a3da39b 193 kw40z_device.attach_buttonLeft(&ButtonLeft);
nbaker 0:d1d36a3da39b 194 kw40z_device.attach_buttonRight(&ButtonRight);
nbaker 0:d1d36a3da39b 195
nbaker 0:d1d36a3da39b 196 // **** Get OLED Class Default Text Properties ****************
asong 1:e4b38d6918ba 197 oled_text_properties_t textProperties = {0};
asong 1:e4b38d6918ba 198 oled.GetTextProperties(&textProperties);
asong 1:e4b38d6918ba 199
nbaker 0:d1d36a3da39b 200 // *********Set text color and screen alignment **************
asong 1:e4b38d6918ba 201 textProperties.fontColor = COLOR_WHITE;
asong 1:e4b38d6918ba 202 textProperties.alignParam = OLED_TEXT_ALIGN_LEFT;
asong 1:e4b38d6918ba 203 oled.SetTextProperties(&textProperties);
asong 1:e4b38d6918ba 204
nbaker 0:d1d36a3da39b 205 // ************** Display spash screen **********************
nbaker 0:d1d36a3da39b 206 textProperties.fontColor = COLOR_RED;
asong 1:e4b38d6918ba 207 oled.SetTextProperties(&textProperties);
asong 3:53c096a80151 208 oled.Label((uint8_t *)"Example",20,5); // Display red "Heart" at x,y
nbaker 0:d1d36a3da39b 209
nbaker 0:d1d36a3da39b 210 textProperties.fontColor = COLOR_WHITE;
nbaker 0:d1d36a3da39b 211 oled.SetTextProperties(&textProperties);
nbaker 0:d1d36a3da39b 212 wait(3); // wait 3 seconds
asong 1:e4b38d6918ba 213 update_display(); // Displays current screen (screen 0)
nbaker 0:d1d36a3da39b 214 Screen_Timer.attach(&timout_timer,(SCRN_TIME));//start ticker timer for turning off LCD
asong 1:e4b38d6918ba 215 // ******************* Main Loop *************************
nbaker 0:d1d36a3da39b 216 while (true) {
nbaker 0:d1d36a3da39b 217
asong 1:e4b38d6918ba 218 Thread::wait(500); // wait half a sec in each loop
nbaker 0:d1d36a3da39b 219 }
nbaker 0:d1d36a3da39b 220 }
nbaker 0:d1d36a3da39b 221 // ************** end of main()
nbaker 0:d1d36a3da39b 222
nbaker 0:d1d36a3da39b 223 void update_display(void)
nbaker 0:d1d36a3da39b 224 {
asong 1:e4b38d6918ba 225 oled_text_properties_t textProperties = {0}; // Need these to change font color
asong 1:e4b38d6918ba 226 oled.GetTextProperties(&textProperties); // Need these to change font color
asong 1:e4b38d6918ba 227 switch(Screen_Num) {
asong 1:e4b38d6918ba 228 case 0: {// Main Screen
asong 1:e4b38d6918ba 229 oled.FillScreen(COLOR_BLACK); // Clear screen
asong 3:53c096a80151 230 oled.Label((uint8_t *)"Test Screen",15,10); // Display "" at x,y
asong 3:53c096a80151 231 oled.Label((uint8_t *)"*",85,15); // "*" at x,y
asong 3:53c096a80151 232 oled.Label((uint8_t *)"*",85,60); // "*" at x,y
asong 3:53c096a80151 233 oled.Label((uint8_t *)"-1",10,80); // Display "Back" at x,y
asong 3:53c096a80151 234 oled.Label((uint8_t *)"+1",60,80); //Display "enter" at x,y
asong 3:53c096a80151 235 sprintf(display_buff, "%u", variableExample);
asong 3:53c096a80151 236 oled.Label((uint8_t *)display_buff,15,40); //Display "enter" at x,y
asong 1:e4b38d6918ba 237 break;
asong 1:e4b38d6918ba 238 }
asong 1:e4b38d6918ba 239 case 1: {// Panic Alert option
asong 1:e4b38d6918ba 240 oled.FillScreen(COLOR_BLACK); // Clear screen
asong 3:53c096a80151 241 oled.Label((uint8_t *)"Second Screen",20,5); // Display at x,y
asong 1:e4b38d6918ba 242 oled.Label((uint8_t *)"Back",10,80); // Display "Back" at x,y
asong 2:824ed4ae8d52 243 }
nbaker 0:d1d36a3da39b 244 }
asong 3:53c096a80151 245
asong 3:53c096a80151 246
nbaker 0:d1d36a3da39b 247 }
asong 2:824ed4ae8d52 248
asong 2:824ed4ae8d52 249 /*****************************************************************************
asong 2:824ed4ae8d52 250 Name: StartHaptic
asong 2:824ed4ae8d52 251 Purpose: Cause the HexiHeart device to vibrate for a predetermined amount of
asong 2:824ed4ae8d52 252 time
asong 2:824ed4ae8d52 253 Inputs: None
asong 2:824ed4ae8d52 254 Returns: None
asong 2:824ed4ae8d52 255 ******************************************************************************/
nbaker 0:d1d36a3da39b 256 void StartHaptic(void)
nbaker 0:d1d36a3da39b 257 {
nbaker 0:d1d36a3da39b 258 hapticTimer.start(30); // was originaly 50
nbaker 0:d1d36a3da39b 259 haptic = 1;
nbaker 0:d1d36a3da39b 260 }
nbaker 0:d1d36a3da39b 261
asong 2:824ed4ae8d52 262 /*****************************************************************************
asong 2:824ed4ae8d52 263 Name: StartHaptic
asong 2:824ed4ae8d52 264 Purpose: Cause the HexiHeart device to vibrate for x amount of time
asong 2:824ed4ae8d52 265 Inputs: An int representing the duration of the vibration
asong 2:824ed4ae8d52 266 Returns: None
asong 2:824ed4ae8d52 267 ******************************************************************************/
asong 3:53c096a80151 268
asong 1:e4b38d6918ba 269 void StartHaptic(int x)
asong 1:e4b38d6918ba 270 {
asong 1:e4b38d6918ba 271 hapticTimer.start(x);
asong 2:824ed4ae8d52 272 haptic = 1;
asong 1:e4b38d6918ba 273 }
asong 1:e4b38d6918ba 274
asong 1:e4b38d6918ba 275 void StopHaptic(void const *n)
asong 1:e4b38d6918ba 276 {
nbaker 0:d1d36a3da39b 277 haptic = 0;
nbaker 0:d1d36a3da39b 278 hapticTimer.stop();
nbaker 0:d1d36a3da39b 279 }
asong 2:824ed4ae8d52 280
asong 2:824ed4ae8d52 281
asong 2:824ed4ae8d52 282
asong 3:53c096a80151 283