Natasha Sarkar / Mbed OS Hexi_BLE_Example_ModifiedPOTATO

POTATO

Dependencies:   Hexi_KW40Z Hexi_OLED_SSD1351

main.cpp@7:3afe21b24e58, 2019-05-03 (annotated)

Committer:
natasha41575
Date:
Fri May 03 17:20:07 2019 +0000
Revision:
7:3afe21b24e58
Parent:
5:8b1ff723682d
Child:
8:de0336411ac1
ljk

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;
cotigac 3:c2ab3a0de448 46
khuang 1:a0d9eeedb771 47 /****************************Call Back Functions*******************************/
khuang 0:c80666325948 48 void ButtonRight(void)
khuang 0:c80666325948 49 {
natasha41575 7:3afe21b24e58 50 pc.printf("Right\r\n");
khuang 0:c80666325948 51 StartHaptic();
natasha41575 7:3afe21b24e58 52 //kw40z_device.ToggleAdvertisementMode();
khuang 0:c80666325948 53 }
khuang 0:c80666325948 54
khuang 0:c80666325948 55 void ButtonLeft(void)
khuang 0:c80666325948 56 {
natasha41575 7:3afe21b24e58 57 pc.printf("Left\r\n");
khuang 0:c80666325948 58 StartHaptic();
natasha41575 7:3afe21b24e58 59 //kw40z_device.ToggleAdvertisementMode();
khuang 0:c80666325948 60 }
khuang 0:c80666325948 61
khuang 0:c80666325948 62 void PassKey(void)
khuang 0:c80666325948 63 {
natasha41575 7:3afe21b24e58 64 pc.printf("passkey\n");
khuang 0:c80666325948 65 StartHaptic();
khuang 0:c80666325948 66 strcpy((char *) text,"PAIR CODE");
khuang 1:a0d9eeedb771 67 oled.TextBox((uint8_t *)text,0,25,95,18);
khuang 0:c80666325948 68
khuang 0:c80666325948 69 /* Display Bond Pass Key in a 95px by 18px textbox at x=0,y=40 */
khuang 0:c80666325948 70 sprintf(text,"%d", kw40z_device.GetPassKey());
khuang 0:c80666325948 71 oled.TextBox((uint8_t *)text,0,40,95,18);
khuang 0:c80666325948 72 }
khuang 1:a0d9eeedb771 73
xihan94 4:20d4eebfa986 74 // Key modification: use the alert functionality enabled by the host-ble interface
xihan94 4:20d4eebfa986 75 // to define our own command.
natasha41575 7:3afe21b24e58 76 void alertReceived(uint8_t *data, uint8_t length)
xihan94 4:20d4eebfa986 77 {
xihan94 4:20d4eebfa986 78 StartHaptic();
xihan94 5:8b1ff723682d 79 data[length] = 0;
xihan94 5:8b1ff723682d 80 printf("%s\n\r", data);
xihan94 4:20d4eebfa986 81
natasha41575 7:3afe21b24e58 82 // data (our command) must 20 bytes long.
natasha41575 7:3afe21b24e58 83 // CMD for turning on: 'ledonledonledonledon'
natasha41575 7:3afe21b24e58 84 if (data[4] == 'n') {
natasha41575 7:3afe21b24e58 85 greenLed = LED_ON;
natasha41575 7:3afe21b24e58 86 redLed = LED_ON;
natasha41575 7:3afe21b24e58 87 blueLed = LED_ON;
natasha41575 7:3afe21b24e58 88 pc.printf("on\n\r", data);
xihan94 4:20d4eebfa986 89
natasha41575 7:3afe21b24e58 90 //CMD for turning off: 'ledoffledoffledoffled'
natasha41575 7:3afe21b24e58 91 } else if (data[4] == 'f') {
natasha41575 7:3afe21b24e58 92 greenLed = LED_OFF;
natasha41575 7:3afe21b24e58 93 redLed = LED_OFF;
natasha41575 7:3afe21b24e58 94 blueLed = LED_OFF;
natasha41575 7:3afe21b24e58 95 pc.printf("off\n\r", data);
natasha41575 7:3afe21b24e58 96 }
xihan94 4:20d4eebfa986 97 }
khuang 1:a0d9eeedb771 98 /***********************End of Call Back Functions*****************************/
khuang 1:a0d9eeedb771 99
khuang 1:a0d9eeedb771 100 /********************************Main******************************************/
khuang 1:a0d9eeedb771 101
khuang 0:c80666325948 102 int main()
khuang 0:c80666325948 103 {
cotigac 3:c2ab3a0de448 104 /* Register callbacks to application functions */
cotigac 3:c2ab3a0de448 105 kw40z_device.attach_buttonLeft(&ButtonLeft);
cotigac 3:c2ab3a0de448 106 kw40z_device.attach_buttonRight(&ButtonRight);
cotigac 3:c2ab3a0de448 107 kw40z_device.attach_passkey(&PassKey);
natasha41575 7:3afe21b24e58 108 kw40z_device.attach_alert(&alertReceived);
khuang 0:c80666325948 109
xihan94 5:8b1ff723682d 110 pc.baud(115200);
xihan94 4:20d4eebfa986 111 pc.printf("hello\n\r");
xihan94 4:20d4eebfa986 112
khuang 0:c80666325948 113 /* Turn on the backlight of the OLED Display */
khuang 0:c80666325948 114 oled.DimScreenON();
khuang 0:c80666325948 115
khuang 0:c80666325948 116 /* Fills the screen with solid black */
khuang 0:c80666325948 117 oled.FillScreen(COLOR_BLACK);
cotigac 3:c2ab3a0de448 118
cotigac 3:c2ab3a0de448 119 /* Get OLED Class Default Text Properties */
cotigac 3:c2ab3a0de448 120 oled_text_properties_t textProperties = {0};
cotigac 3:c2ab3a0de448 121 oled.GetTextProperties(&textProperties);
khuang 0:c80666325948 122
khuang 0:c80666325948 123 /* Change font color to Blue */
khuang 0:c80666325948 124 textProperties.fontColor = COLOR_BLUE;
khuang 0:c80666325948 125 oled.SetTextProperties(&textProperties);
khuang 0:c80666325948 126
khuang 0:c80666325948 127 /* Display Bluetooth Label at x=17,y=65 */
khuang 0:c80666325948 128 strcpy((char *) text,"BLUETOOTH");
khuang 0:c80666325948 129 oled.Label((uint8_t *)text,17,65);
khuang 0:c80666325948 130
khuang 0:c80666325948 131 /* Change font color to white */
khuang 0:c80666325948 132 textProperties.fontColor = COLOR_WHITE;
khuang 0:c80666325948 133 textProperties.alignParam = OLED_TEXT_ALIGN_CENTER;
khuang 0:c80666325948 134 oled.SetTextProperties(&textProperties);
khuang 0:c80666325948 135
khuang 1:a0d9eeedb771 136 /* Display Label at x=22,y=80 */
khuang 0:c80666325948 137 strcpy((char *) text,"Tap Below");
khuang 0:c80666325948 138 oled.Label((uint8_t *)text,22,80);
khuang 0:c80666325948 139
khuang 1:a0d9eeedb771 140 uint8_t prevLinkState = 0;
cotigac 3:c2ab3a0de448 141 uint8_t currLinkState = 0;
cotigac 3:c2ab3a0de448 142
khuang 1:a0d9eeedb771 143 txThread.start(txTask); /*Start transmitting Sensor Tag Data */
khuang 0:c80666325948 144
natasha41575 7:3afe21b24e58 145 int i = 0;
khuang 1:a0d9eeedb771 146 while (true)
khuang 1:a0d9eeedb771 147 {
natasha41575 7:3afe21b24e58 148 if (i % 20 == 0)
natasha41575 7:3afe21b24e58 149 pc.printf("still here, %d\n\r", i);
natasha41575 7:3afe21b24e58 150 i = i + 1;
xihan94 4:20d4eebfa986 151 // blueLed = !kw40z_device.GetAdvertisementMode(); /*Indicate BLE Advertisment Mode*/
khuang 1:a0d9eeedb771 152 Thread::wait(50);
khuang 1:a0d9eeedb771 153 }
khuang 1:a0d9eeedb771 154 }
khuang 1:a0d9eeedb771 155
khuang 1:a0d9eeedb771 156 /******************************End of Main*************************************/
khuang 1:a0d9eeedb771 157
khuang 1:a0d9eeedb771 158
khuang 1:a0d9eeedb771 159 /* txTask() transmits the sensor data */
khuang 1:a0d9eeedb771 160 void txTask(void){
khuang 1:a0d9eeedb771 161
khuang 1:a0d9eeedb771 162 while (true)
khuang 1:a0d9eeedb771 163 {
cotigac 3:c2ab3a0de448 164 UpdateSensorData();
khuang 0:c80666325948 165
khuang 1:a0d9eeedb771 166 /*Notify Hexiwear App that it is running Sensor Tag mode*/
khuang 0:c80666325948 167 kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG);
khuang 0:c80666325948 168
khuang 1:a0d9eeedb771 169 /*The following is sending dummy data over BLE. Replace with real data*/
khuang 1:a0d9eeedb771 170
khuang 0:c80666325948 171 /*Send Battery Level for 20% */
cotigac 3:c2ab3a0de448 172 kw40z_device.SendBatteryLevel(battery);
khuang 0:c80666325948 173
khuang 0:c80666325948 174 /*Send Ambient Light Level at 50% */
cotigac 3:c2ab3a0de448 175 kw40z_device.SendAmbientLight(light);
khuang 0:c80666325948 176
khuang 0:c80666325948 177 /*Send Humidity at 90% */
cotigac 3:c2ab3a0de448 178 kw40z_device.SendHumidity(humidity);
khuang 0:c80666325948 179
khuang 0:c80666325948 180 /*Send Temperature at 25 degrees Celsius */
cotigac 3:c2ab3a0de448 181 kw40z_device.SendTemperature(temperature);
khuang 0:c80666325948 182
khuang 0:c80666325948 183 /*Send Pressure at 100kPA */
cotigac 3:c2ab3a0de448 184 kw40z_device.SendPressure(pressure);
khuang 0:c80666325948 185
khuang 1:a0d9eeedb771 186 /*Send Mag,Accel,Gyro Data. */
cotigac 3:c2ab3a0de448 187 kw40z_device.SendGyro(x,y,z);
cotigac 3:c2ab3a0de448 188 kw40z_device.SendAccel(z,x,y);
cotigac 3:c2ab3a0de448 189 kw40z_device.SendMag(y,z,x);
xihan94 5:8b1ff723682d 190
xihan94 5:8b1ff723682d 191 uint8_t buf[6] = "Hello";
xihan94 5:8b1ff723682d 192 kw40z_device.SendMessage(buf, 5);
cotigac 3:c2ab3a0de448 193
khuang 1:a0d9eeedb771 194 Thread::wait(1000);
khuang 0:c80666325948 195 }
khuang 0:c80666325948 196 }
khuang 0:c80666325948 197
cotigac 3:c2ab3a0de448 198 void UpdateSensorData(void)
cotigac 3:c2ab3a0de448 199 {
cotigac 3:c2ab3a0de448 200 battery -= 5;
cotigac 3:c2ab3a0de448 201 if(battery < 5) battery = 100;
cotigac 3:c2ab3a0de448 202
cotigac 3:c2ab3a0de448 203 light += 20;
cotigac 3:c2ab3a0de448 204 if(light > 100) light = 0;
cotigac 3:c2ab3a0de448 205
cotigac 3:c2ab3a0de448 206 humidity += 500;
cotigac 3:c2ab3a0de448 207 if(humidity > 8000) humidity = 2000;
cotigac 3:c2ab3a0de448 208
cotigac 3:c2ab3a0de448 209 temperature -= 200;
cotigac 3:c2ab3a0de448 210 if(temperature < 200) temperature = 4200;
cotigac 3:c2ab3a0de448 211
cotigac 3:c2ab3a0de448 212 pressure += 300;
cotigac 3:c2ab3a0de448 213 if(pressure > 10300) pressure = 7500;
cotigac 3:c2ab3a0de448 214
cotigac 3:c2ab3a0de448 215 x += 1400;
cotigac 3:c2ab3a0de448 216 y -= 2300;
cotigac 3:c2ab3a0de448 217 z += 1700;
cotigac 3:c2ab3a0de448 218 }
cotigac 3:c2ab3a0de448 219
khuang 1:a0d9eeedb771 220 void StartHaptic(void) {
khuang 0:c80666325948 221 hapticTimer.start(50);
khuang 0:c80666325948 222 haptic = 1;
khuang 0:c80666325948 223 }
khuang 0:c80666325948 224
khuang 0:c80666325948 225 void StopHaptic(void const *n) {
khuang 0:c80666325948 226 haptic = 0;
khuang 0:c80666325948 227 hapticTimer.stop();
khuang 0:c80666325948 228 }
khuang 1:a0d9eeedb771 229