Natasha Sarkar / Mbed OS Hexi_BLE_Example_ModifiedPOTATO

POTATO

Dependencies:   Hexi_KW40Z Hexi_OLED_SSD1351

main.cpp@9:fe52fbcc6187, 2019-05-06 (annotated)

Committer:
natasha41575
Date:
Mon May 06 05:29:48 2019 +0000
Revision:
9:fe52fbcc6187
Parent:
8:de0336411ac1 
POTATO; ;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
khuang 0:c80666325948 1 #include "mbed.h"
khuang 0:c80666325948 2 #include "Hexi_KW40Z.h"
khuang 0:c80666325948 3 #include "Hexi_OLED_SSD1351.h"
khuang 0:c80666325948 4 #include "OLED_types.h"
khuang 0:c80666325948 5 #include "OpenSans_Font.h"
khuang 0:c80666325948 6 #include "string.h"
khuang 0:c80666325948 7
khuang 0:c80666325948 8 #define LED_ON 0
khuang 0:c80666325948 9 #define LED_OFF 1
cotigac 3:c2ab3a0de448 10
cotigac 3:c2ab3a0de448 11 void UpdateSensorData(void);
khuang 0:c80666325948 12 void StartHaptic(void);
khuang 0:c80666325948 13 void StopHaptic(void const *n);
khuang 1:a0d9eeedb771 14 void txTask(void);
khuang 0:c80666325948 15
xihan94 5:8b1ff723682d 16 static Serial pc(USBTX, USBRX);
xihan94 4:20d4eebfa986 17
khuang 0:c80666325948 18 DigitalOut redLed(LED1,1);
khuang 0:c80666325948 19 DigitalOut greenLed(LED2,1);
khuang 0:c80666325948 20 DigitalOut blueLed(LED3,1);
khuang 0:c80666325948 21 DigitalOut haptic(PTB9);
khuang 0:c80666325948 22
khuang 0:c80666325948 23 /* Define timer for haptic feedback */
khuang 0:c80666325948 24 RtosTimer hapticTimer(StopHaptic, osTimerOnce);
khuang 0:c80666325948 25
khuang 0:c80666325948 26 /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */
khuang 0:c80666325948 27 KW40Z kw40z_device(PTE24, PTE25);
khuang 0:c80666325948 28
khuang 0:c80666325948 29 /* Instantiate the SSD1351 OLED Driver */
khuang 0:c80666325948 30 SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); /* (MOSI,SCLK,POWER,CS,RST,DC) */
khuang 0:c80666325948 31
khuang 1:a0d9eeedb771 32 /*Create a Thread to handle sending BLE Sensor Data */
khuang 1:a0d9eeedb771 33 Thread txThread;
khuang 0:c80666325948 34
khuang 1:a0d9eeedb771 35 /* Text Buffer */
khuang 1:a0d9eeedb771 36 char text[20];
khuang 1:a0d9eeedb771 37
cotigac 3:c2ab3a0de448 38 uint8_t battery = 100;
cotigac 3:c2ab3a0de448 39 uint8_t light = 0;
cotigac 3:c2ab3a0de448 40 uint16_t humidity = 4500;
cotigac 3:c2ab3a0de448 41 uint16_t temperature = 2000;
cotigac 3:c2ab3a0de448 42 uint16_t pressure = 9000;
cotigac 3:c2ab3a0de448 43 uint16_t x = 0;
cotigac 3:c2ab3a0de448 44 uint16_t y = 5000;
cotigac 3:c2ab3a0de448 45 uint16_t z = 10000;
natasha41575 8:de0336411ac1 46 char seconds = 0;
natasha41575 8:de0336411ac1 47 DigitalOut output(PTA10);
cotigac 3:c2ab3a0de448 48
khuang 1:a0d9eeedb771 49 /****************************Call Back Functions*******************************/
khuang 0:c80666325948 50 void ButtonRight(void)
khuang 0:c80666325948 51 {
natasha41575 7:3afe21b24e58 52 pc.printf("Right\r\n");
khuang 0:c80666325948 53 StartHaptic();
natasha41575 8:de0336411ac1 54
natasha41575 8:de0336411ac1 55 uint8_t buf[6] = "Right";
natasha41575 8:de0336411ac1 56 kw40z_device.SendMessage(buf, 5);
natasha41575 8:de0336411ac1 57
khuang 0:c80666325948 58 }
khuang 0:c80666325948 59
khuang 0:c80666325948 60 void ButtonLeft(void)
khuang 0:c80666325948 61 {
natasha41575 7:3afe21b24e58 62 pc.printf("Left\r\n");
khuang 0:c80666325948 63 StartHaptic();
natasha41575 9:fe52fbcc6187 64
natasha41575 8:de0336411ac1 65 uint8_t buf[6] = "Left";
natasha41575 8:de0336411ac1 66 kw40z_device.SendMessage(buf, 5);
natasha41575 8:de0336411ac1 67
khuang 0:c80666325948 68 }
khuang 0:c80666325948 69
khuang 0:c80666325948 70 void PassKey(void)
khuang 0:c80666325948 71 {
natasha41575 7:3afe21b24e58 72 pc.printf("passkey\n");
natasha41575 8:de0336411ac1 73 //StartHaptic();
khuang 0:c80666325948 74 strcpy((char *) text,"PAIR CODE");
khuang 1:a0d9eeedb771 75 oled.TextBox((uint8_t *)text,0,25,95,18);
khuang 0:c80666325948 76
khuang 0:c80666325948 77 /* Display Bond Pass Key in a 95px by 18px textbox at x=0,y=40 */
khuang 0:c80666325948 78 sprintf(text,"%d", kw40z_device.GetPassKey());
khuang 0:c80666325948 79 oled.TextBox((uint8_t *)text,0,40,95,18);
khuang 0:c80666325948 80 }
khuang 1:a0d9eeedb771 81
xihan94 4:20d4eebfa986 82 // Key modification: use the alert functionality enabled by the host-ble interface
xihan94 4:20d4eebfa986 83 // to define our own command.
natasha41575 7:3afe21b24e58 84 void alertReceived(uint8_t *data, uint8_t length)
xihan94 4:20d4eebfa986 85 {
xihan94 4:20d4eebfa986 86 StartHaptic();
xihan94 5:8b1ff723682d 87 data[length] = 0;
xihan94 5:8b1ff723682d 88 printf("%s\n\r", data);
natasha41575 8:de0336411ac1 89 oled.TextBox((uint8_t *)data,0,40,95,18);
natasha41575 8:de0336411ac1 90 seconds = data[7];
natasha41575 8:de0336411ac1 91 if ((seconds - '0')%2 == 0) {
natasha41575 8:de0336411ac1 92 output.write(0);
natasha41575 8:de0336411ac1 93 } else {
natasha41575 8:de0336411ac1 94 output.write(1);
natasha41575 8:de0336411ac1 95 }
xihan94 4:20d4eebfa986 96
natasha41575 7:3afe21b24e58 97 // data (our command) must 20 bytes long.
natasha41575 7:3afe21b24e58 98 // CMD for turning on: 'ledonledonledonledon'
natasha41575 8:de0336411ac1 99 // if (data[4] == 'n') {
natasha41575 8:de0336411ac1 100 // greenLed = LED_ON;
natasha41575 8:de0336411ac1 101 // redLed = LED_ON;
natasha41575 8:de0336411ac1 102 // blueLed = LED_ON;
natasha41575 8:de0336411ac1 103 // pc.printf("on\n\r", data);
natasha41575 8:de0336411ac1 104 //
natasha41575 8:de0336411ac1 105 // //CMD for turning off: 'ledoffledoffledoffled'
natasha41575 8:de0336411ac1 106 // } else if (data[4] == 'f') {
natasha41575 8:de0336411ac1 107 // greenLed = LED_OFF;
natasha41575 8:de0336411ac1 108 // redLed = LED_OFF;
natasha41575 8:de0336411ac1 109 // blueLed = LED_OFF;
natasha41575 8:de0336411ac1 110 // pc.printf("off\n\r", data);
natasha41575 8:de0336411ac1 111 // }
xihan94 4:20d4eebfa986 112 }
khuang 1:a0d9eeedb771 113 /***********************End of Call Back Functions*****************************/
khuang 1:a0d9eeedb771 114
khuang 1:a0d9eeedb771 115 /********************************Main******************************************/
khuang 1:a0d9eeedb771 116
khuang 0:c80666325948 117 int main()
khuang 0:c80666325948 118 {
natasha41575 8:de0336411ac1 119 pc.baud(9600);
natasha41575 8:de0336411ac1 120 pc.printf("hello\n\r");
natasha41575 8:de0336411ac1 121
cotigac 3:c2ab3a0de448 122 /* Register callbacks to application functions */
cotigac 3:c2ab3a0de448 123 kw40z_device.attach_buttonLeft(&ButtonLeft);
cotigac 3:c2ab3a0de448 124 kw40z_device.attach_buttonRight(&ButtonRight);
cotigac 3:c2ab3a0de448 125 kw40z_device.attach_passkey(&PassKey);
natasha41575 7:3afe21b24e58 126 kw40z_device.attach_alert(&alertReceived);
natasha41575 8:de0336411ac1 127
natasha41575 9:fe52fbcc6187 128 while (kw40z_device.GetAdvertisementMode() != 0) {
natasha41575 9:fe52fbcc6187 129 kw40z_device.ToggleAdvertisementMode();
natasha41575 9:fe52fbcc6187 130 }
natasha41575 9:fe52fbcc6187 131
natasha41575 9:fe52fbcc6187 132
natasha41575 8:de0336411ac1 133 memset(text, 0, sizeof(char)*20);
khuang 0:c80666325948 134
xihan94 4:20d4eebfa986 135
khuang 0:c80666325948 136 /* Turn on the backlight of the OLED Display */
khuang 0:c80666325948 137 oled.DimScreenON();
khuang 0:c80666325948 138
khuang 0:c80666325948 139 /* Fills the screen with solid black */
khuang 0:c80666325948 140 oled.FillScreen(COLOR_BLACK);
cotigac 3:c2ab3a0de448 141
cotigac 3:c2ab3a0de448 142 /* Get OLED Class Default Text Properties */
cotigac 3:c2ab3a0de448 143 oled_text_properties_t textProperties = {0};
cotigac 3:c2ab3a0de448 144 oled.GetTextProperties(&textProperties);
khuang 0:c80666325948 145
khuang 0:c80666325948 146 /* Change font color to Blue */
khuang 0:c80666325948 147 textProperties.fontColor = COLOR_BLUE;
khuang 0:c80666325948 148 oled.SetTextProperties(&textProperties);
khuang 0:c80666325948 149
khuang 0:c80666325948 150 /* Display Bluetooth Label at x=17,y=65 */
khuang 0:c80666325948 151 strcpy((char *) text,"BLUETOOTH");
khuang 0:c80666325948 152 oled.Label((uint8_t *)text,17,65);
khuang 0:c80666325948 153
khuang 0:c80666325948 154 /* Change font color to white */
khuang 0:c80666325948 155 textProperties.fontColor = COLOR_WHITE;
khuang 0:c80666325948 156 textProperties.alignParam = OLED_TEXT_ALIGN_CENTER;
khuang 0:c80666325948 157 oled.SetTextProperties(&textProperties);
khuang 0:c80666325948 158
khuang 1:a0d9eeedb771 159 /* Display Label at x=22,y=80 */
khuang 0:c80666325948 160 strcpy((char *) text,"Tap Below");
khuang 0:c80666325948 161 oled.Label((uint8_t *)text,22,80);
khuang 0:c80666325948 162
khuang 1:a0d9eeedb771 163 uint8_t prevLinkState = 0;
cotigac 3:c2ab3a0de448 164 uint8_t currLinkState = 0;
cotigac 3:c2ab3a0de448 165
khuang 1:a0d9eeedb771 166 txThread.start(txTask); /*Start transmitting Sensor Tag Data */
khuang 0:c80666325948 167
natasha41575 7:3afe21b24e58 168 int i = 0;
khuang 1:a0d9eeedb771 169 while (true)
khuang 1:a0d9eeedb771 170 {
natasha41575 8:de0336411ac1 171 if (i % 20 == 0)
natasha41575 8:de0336411ac1 172 // strcpy((char *) text,"potato");
natasha41575 8:de0336411ac1 173 // text[0] = 'a' + (i%26);
natasha41575 8:de0336411ac1 174 // oled.Label((uint8_t *)text,17,65);
natasha41575 7:3afe21b24e58 175 pc.printf("still here, %d\n\r", i);
natasha41575 8:de0336411ac1 176 // }
natasha41575 8:de0336411ac1 177 i = (i + 1);
xihan94 4:20d4eebfa986 178 // blueLed = !kw40z_device.GetAdvertisementMode(); /*Indicate BLE Advertisment Mode*/
khuang 1:a0d9eeedb771 179 Thread::wait(50);
khuang 1:a0d9eeedb771 180 }
khuang 1:a0d9eeedb771 181 }
khuang 1:a0d9eeedb771 182
khuang 1:a0d9eeedb771 183 /******************************End of Main*************************************/
khuang 1:a0d9eeedb771 184
khuang 1:a0d9eeedb771 185
khuang 1:a0d9eeedb771 186 /* txTask() transmits the sensor data */
natasha41575 8:de0336411ac1 187 void txTask(void) {
khuang 1:a0d9eeedb771 188
khuang 1:a0d9eeedb771 189 while (true)
khuang 1:a0d9eeedb771 190 {
cotigac 3:c2ab3a0de448 191 UpdateSensorData();
khuang 0:c80666325948 192
khuang 1:a0d9eeedb771 193 /*Notify Hexiwear App that it is running Sensor Tag mode*/
khuang 0:c80666325948 194 kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG);
khuang 0:c80666325948 195
khuang 1:a0d9eeedb771 196 /*The following is sending dummy data over BLE. Replace with real data*/
khuang 1:a0d9eeedb771 197
khuang 0:c80666325948 198 /*Send Battery Level for 20% */
cotigac 3:c2ab3a0de448 199 kw40z_device.SendBatteryLevel(battery);
khuang 0:c80666325948 200
khuang 0:c80666325948 201 /*Send Ambient Light Level at 50% */
cotigac 3:c2ab3a0de448 202 kw40z_device.SendAmbientLight(light);
khuang 0:c80666325948 203
khuang 0:c80666325948 204 /*Send Humidity at 90% */
cotigac 3:c2ab3a0de448 205 kw40z_device.SendHumidity(humidity);
khuang 0:c80666325948 206
khuang 0:c80666325948 207 /*Send Temperature at 25 degrees Celsius */
cotigac 3:c2ab3a0de448 208 kw40z_device.SendTemperature(temperature);
khuang 0:c80666325948 209
khuang 0:c80666325948 210 /*Send Pressure at 100kPA */
cotigac 3:c2ab3a0de448 211 kw40z_device.SendPressure(pressure);
khuang 0:c80666325948 212
khuang 1:a0d9eeedb771 213 /*Send Mag,Accel,Gyro Data. */
cotigac 3:c2ab3a0de448 214 kw40z_device.SendGyro(x,y,z);
cotigac 3:c2ab3a0de448 215 kw40z_device.SendAccel(z,x,y);
cotigac 3:c2ab3a0de448 216 kw40z_device.SendMag(y,z,x);
xihan94 5:8b1ff723682d 217
natasha41575 8:de0336411ac1 218
xihan94 5:8b1ff723682d 219 uint8_t buf[6] = "Hello";
xihan94 5:8b1ff723682d 220 kw40z_device.SendMessage(buf, 5);
cotigac 3:c2ab3a0de448 221
khuang 1:a0d9eeedb771 222 Thread::wait(1000);
khuang 0:c80666325948 223 }
khuang 0:c80666325948 224 }
khuang 0:c80666325948 225
cotigac 3:c2ab3a0de448 226 void UpdateSensorData(void)
cotigac 3:c2ab3a0de448 227 {
cotigac 3:c2ab3a0de448 228 battery -= 5;
cotigac 3:c2ab3a0de448 229 if(battery < 5) battery = 100;
cotigac 3:c2ab3a0de448 230
cotigac 3:c2ab3a0de448 231 light += 20;
cotigac 3:c2ab3a0de448 232 if(light > 100) light = 0;
cotigac 3:c2ab3a0de448 233
cotigac 3:c2ab3a0de448 234 humidity += 500;
cotigac 3:c2ab3a0de448 235 if(humidity > 8000) humidity = 2000;
cotigac 3:c2ab3a0de448 236
cotigac 3:c2ab3a0de448 237 temperature -= 200;
cotigac 3:c2ab3a0de448 238 if(temperature < 200) temperature = 4200;
cotigac 3:c2ab3a0de448 239
cotigac 3:c2ab3a0de448 240 pressure += 300;
cotigac 3:c2ab3a0de448 241 if(pressure > 10300) pressure = 7500;
cotigac 3:c2ab3a0de448 242
cotigac 3:c2ab3a0de448 243 x += 1400;
cotigac 3:c2ab3a0de448 244 y -= 2300;
cotigac 3:c2ab3a0de448 245 z += 1700;
cotigac 3:c2ab3a0de448 246 }
cotigac 3:c2ab3a0de448 247
khuang 1:a0d9eeedb771 248 void StartHaptic(void) {
khuang 0:c80666325948 249 hapticTimer.start(50);
khuang 0:c80666325948 250 haptic = 1;
khuang 0:c80666325948 251 }
khuang 0:c80666325948 252
khuang 0:c80666325948 253 void StopHaptic(void const *n) {
khuang 0:c80666325948 254 haptic = 0;
khuang 0:c80666325948 255 hapticTimer.stop();
khuang 0:c80666325948 256 }
khuang 1:a0d9eeedb771 257