ECE119 BLE Project Exploration
Dependencies: Hexi_KW40Z Hexi_OLED_SSD1351
Fork of Hexi_BLE_Example by
main.cpp@5:8b1ff723682d, 2018-08-09 (annotated)
- Committer:
- xihan94
- Date:
- Thu Aug 09 22:45:09 2018 +0000
- Revision:
- 5:8b1ff723682d
- Parent:
- 4:20d4eebfa986
dev
Who changed what in which revision?
User | Revision | Line number | New 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 | { |
xihan94 | 5:8b1ff723682d | 50 | printf("Right\r\n"); |
khuang | 0:c80666325948 | 51 | StartHaptic(); |
khuang | 0:c80666325948 | 52 | kw40z_device.ToggleAdvertisementMode(); |
khuang | 0:c80666325948 | 53 | } |
khuang | 0:c80666325948 | 54 | |
khuang | 0:c80666325948 | 55 | void ButtonLeft(void) |
khuang | 0:c80666325948 | 56 | { |
xihan94 | 5:8b1ff723682d | 57 | printf("Left\r\n"); |
khuang | 0:c80666325948 | 58 | StartHaptic(); |
khuang | 0:c80666325948 | 59 | kw40z_device.ToggleAdvertisementMode(); |
khuang | 0:c80666325948 | 60 | } |
khuang | 0:c80666325948 | 61 | |
khuang | 0:c80666325948 | 62 | void PassKey(void) |
khuang | 0:c80666325948 | 63 | { |
khuang | 0:c80666325948 | 64 | StartHaptic(); |
khuang | 0:c80666325948 | 65 | strcpy((char *) text,"PAIR CODE"); |
khuang | 1:a0d9eeedb771 | 66 | oled.TextBox((uint8_t *)text,0,25,95,18); |
khuang | 0:c80666325948 | 67 | |
khuang | 0:c80666325948 | 68 | /* Display Bond Pass Key in a 95px by 18px textbox at x=0,y=40 */ |
khuang | 0:c80666325948 | 69 | sprintf(text,"%d", kw40z_device.GetPassKey()); |
khuang | 0:c80666325948 | 70 | oled.TextBox((uint8_t *)text,0,40,95,18); |
khuang | 0:c80666325948 | 71 | } |
khuang | 1:a0d9eeedb771 | 72 | |
xihan94 | 4:20d4eebfa986 | 73 | // Key modification: use the alert functionality enabled by the host-ble interface |
xihan94 | 4:20d4eebfa986 | 74 | // to define our own command. |
xihan94 | 5:8b1ff723682d | 75 | void MessageReceived(uint8_t *data, uint8_t length) |
xihan94 | 4:20d4eebfa986 | 76 | { |
xihan94 | 4:20d4eebfa986 | 77 | StartHaptic(); |
xihan94 | 5:8b1ff723682d | 78 | data[length] = 0; |
xihan94 | 5:8b1ff723682d | 79 | printf("%s\n\r", data); |
xihan94 | 4:20d4eebfa986 | 80 | |
xihan94 | 4:20d4eebfa986 | 81 | // data (our command) must 20 bytes long. |
xihan94 | 4:20d4eebfa986 | 82 | // CMD for turning on: 'ledonledonledonledon' |
xihan94 | 5:8b1ff723682d | 83 | //if (data[4] == 'n') { |
xihan94 | 5:8b1ff723682d | 84 | // greenLed = LED_ON; |
xihan94 | 5:8b1ff723682d | 85 | // redLed = LED_ON; |
xihan94 | 5:8b1ff723682d | 86 | // blueLed = LED_ON; |
xihan94 | 5:8b1ff723682d | 87 | // pc.printf("on\n\r", data); |
xihan94 | 4:20d4eebfa986 | 88 | |
xihan94 | 4:20d4eebfa986 | 89 | // CMD for turning off: 'ledoffledoffledoffled' |
xihan94 | 5:8b1ff723682d | 90 | // } else if (data[4] == 'f') { |
xihan94 | 5:8b1ff723682d | 91 | // greenLed = LED_OFF; |
xihan94 | 5:8b1ff723682d | 92 | // redLed = LED_OFF; |
xihan94 | 5:8b1ff723682d | 93 | // blueLed = LED_OFF; |
xihan94 | 5:8b1ff723682d | 94 | // pc.printf("off\n\r", data); |
xihan94 | 5:8b1ff723682d | 95 | // } |
xihan94 | 4:20d4eebfa986 | 96 | } |
khuang | 1:a0d9eeedb771 | 97 | /***********************End of Call Back Functions*****************************/ |
khuang | 1:a0d9eeedb771 | 98 | |
khuang | 1:a0d9eeedb771 | 99 | /********************************Main******************************************/ |
khuang | 1:a0d9eeedb771 | 100 | |
khuang | 0:c80666325948 | 101 | int main() |
khuang | 0:c80666325948 | 102 | { |
cotigac | 3:c2ab3a0de448 | 103 | /* Register callbacks to application functions */ |
cotigac | 3:c2ab3a0de448 | 104 | kw40z_device.attach_buttonLeft(&ButtonLeft); |
cotigac | 3:c2ab3a0de448 | 105 | kw40z_device.attach_buttonRight(&ButtonRight); |
cotigac | 3:c2ab3a0de448 | 106 | kw40z_device.attach_passkey(&PassKey); |
xihan94 | 5:8b1ff723682d | 107 | kw40z_device.attach_message(&MessageReceived); |
khuang | 0:c80666325948 | 108 | |
xihan94 | 5:8b1ff723682d | 109 | pc.baud(115200); |
xihan94 | 4:20d4eebfa986 | 110 | pc.printf("hello\n\r"); |
xihan94 | 4:20d4eebfa986 | 111 | |
khuang | 0:c80666325948 | 112 | /* Turn on the backlight of the OLED Display */ |
khuang | 0:c80666325948 | 113 | oled.DimScreenON(); |
khuang | 0:c80666325948 | 114 | |
khuang | 0:c80666325948 | 115 | /* Fills the screen with solid black */ |
khuang | 0:c80666325948 | 116 | oled.FillScreen(COLOR_BLACK); |
cotigac | 3:c2ab3a0de448 | 117 | |
cotigac | 3:c2ab3a0de448 | 118 | /* Get OLED Class Default Text Properties */ |
cotigac | 3:c2ab3a0de448 | 119 | oled_text_properties_t textProperties = {0}; |
cotigac | 3:c2ab3a0de448 | 120 | oled.GetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 121 | |
khuang | 0:c80666325948 | 122 | /* Change font color to Blue */ |
khuang | 0:c80666325948 | 123 | textProperties.fontColor = COLOR_BLUE; |
khuang | 0:c80666325948 | 124 | oled.SetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 125 | |
khuang | 0:c80666325948 | 126 | /* Display Bluetooth Label at x=17,y=65 */ |
khuang | 0:c80666325948 | 127 | strcpy((char *) text,"BLUETOOTH"); |
khuang | 0:c80666325948 | 128 | oled.Label((uint8_t *)text,17,65); |
khuang | 0:c80666325948 | 129 | |
khuang | 0:c80666325948 | 130 | /* Change font color to white */ |
khuang | 0:c80666325948 | 131 | textProperties.fontColor = COLOR_WHITE; |
khuang | 0:c80666325948 | 132 | textProperties.alignParam = OLED_TEXT_ALIGN_CENTER; |
khuang | 0:c80666325948 | 133 | oled.SetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 134 | |
khuang | 1:a0d9eeedb771 | 135 | /* Display Label at x=22,y=80 */ |
khuang | 0:c80666325948 | 136 | strcpy((char *) text,"Tap Below"); |
khuang | 0:c80666325948 | 137 | oled.Label((uint8_t *)text,22,80); |
khuang | 0:c80666325948 | 138 | |
khuang | 1:a0d9eeedb771 | 139 | uint8_t prevLinkState = 0; |
cotigac | 3:c2ab3a0de448 | 140 | uint8_t currLinkState = 0; |
cotigac | 3:c2ab3a0de448 | 141 | |
khuang | 1:a0d9eeedb771 | 142 | txThread.start(txTask); /*Start transmitting Sensor Tag Data */ |
khuang | 0:c80666325948 | 143 | |
khuang | 1:a0d9eeedb771 | 144 | while (true) |
khuang | 1:a0d9eeedb771 | 145 | { |
xihan94 | 4:20d4eebfa986 | 146 | // blueLed = !kw40z_device.GetAdvertisementMode(); /*Indicate BLE Advertisment Mode*/ |
khuang | 1:a0d9eeedb771 | 147 | Thread::wait(50); |
khuang | 1:a0d9eeedb771 | 148 | } |
khuang | 1:a0d9eeedb771 | 149 | } |
khuang | 1:a0d9eeedb771 | 150 | |
khuang | 1:a0d9eeedb771 | 151 | /******************************End of Main*************************************/ |
khuang | 1:a0d9eeedb771 | 152 | |
khuang | 1:a0d9eeedb771 | 153 | |
khuang | 1:a0d9eeedb771 | 154 | /* txTask() transmits the sensor data */ |
khuang | 1:a0d9eeedb771 | 155 | void txTask(void){ |
khuang | 1:a0d9eeedb771 | 156 | |
khuang | 1:a0d9eeedb771 | 157 | while (true) |
khuang | 1:a0d9eeedb771 | 158 | { |
cotigac | 3:c2ab3a0de448 | 159 | UpdateSensorData(); |
khuang | 0:c80666325948 | 160 | |
khuang | 1:a0d9eeedb771 | 161 | /*Notify Hexiwear App that it is running Sensor Tag mode*/ |
khuang | 0:c80666325948 | 162 | kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG); |
khuang | 0:c80666325948 | 163 | |
khuang | 1:a0d9eeedb771 | 164 | /*The following is sending dummy data over BLE. Replace with real data*/ |
khuang | 1:a0d9eeedb771 | 165 | |
khuang | 0:c80666325948 | 166 | /*Send Battery Level for 20% */ |
cotigac | 3:c2ab3a0de448 | 167 | kw40z_device.SendBatteryLevel(battery); |
khuang | 0:c80666325948 | 168 | |
khuang | 0:c80666325948 | 169 | /*Send Ambient Light Level at 50% */ |
cotigac | 3:c2ab3a0de448 | 170 | kw40z_device.SendAmbientLight(light); |
khuang | 0:c80666325948 | 171 | |
khuang | 0:c80666325948 | 172 | /*Send Humidity at 90% */ |
cotigac | 3:c2ab3a0de448 | 173 | kw40z_device.SendHumidity(humidity); |
khuang | 0:c80666325948 | 174 | |
khuang | 0:c80666325948 | 175 | /*Send Temperature at 25 degrees Celsius */ |
cotigac | 3:c2ab3a0de448 | 176 | kw40z_device.SendTemperature(temperature); |
khuang | 0:c80666325948 | 177 | |
khuang | 0:c80666325948 | 178 | /*Send Pressure at 100kPA */ |
cotigac | 3:c2ab3a0de448 | 179 | kw40z_device.SendPressure(pressure); |
khuang | 0:c80666325948 | 180 | |
khuang | 1:a0d9eeedb771 | 181 | /*Send Mag,Accel,Gyro Data. */ |
cotigac | 3:c2ab3a0de448 | 182 | kw40z_device.SendGyro(x,y,z); |
cotigac | 3:c2ab3a0de448 | 183 | kw40z_device.SendAccel(z,x,y); |
cotigac | 3:c2ab3a0de448 | 184 | kw40z_device.SendMag(y,z,x); |
xihan94 | 5:8b1ff723682d | 185 | |
xihan94 | 5:8b1ff723682d | 186 | uint8_t buf[6] = "Hello"; |
xihan94 | 5:8b1ff723682d | 187 | kw40z_device.SendMessage(buf, 5); |
cotigac | 3:c2ab3a0de448 | 188 | |
khuang | 1:a0d9eeedb771 | 189 | Thread::wait(1000); |
khuang | 0:c80666325948 | 190 | } |
khuang | 0:c80666325948 | 191 | } |
khuang | 0:c80666325948 | 192 | |
cotigac | 3:c2ab3a0de448 | 193 | void UpdateSensorData(void) |
cotigac | 3:c2ab3a0de448 | 194 | { |
cotigac | 3:c2ab3a0de448 | 195 | battery -= 5; |
cotigac | 3:c2ab3a0de448 | 196 | if(battery < 5) battery = 100; |
cotigac | 3:c2ab3a0de448 | 197 | |
cotigac | 3:c2ab3a0de448 | 198 | light += 20; |
cotigac | 3:c2ab3a0de448 | 199 | if(light > 100) light = 0; |
cotigac | 3:c2ab3a0de448 | 200 | |
cotigac | 3:c2ab3a0de448 | 201 | humidity += 500; |
cotigac | 3:c2ab3a0de448 | 202 | if(humidity > 8000) humidity = 2000; |
cotigac | 3:c2ab3a0de448 | 203 | |
cotigac | 3:c2ab3a0de448 | 204 | temperature -= 200; |
cotigac | 3:c2ab3a0de448 | 205 | if(temperature < 200) temperature = 4200; |
cotigac | 3:c2ab3a0de448 | 206 | |
cotigac | 3:c2ab3a0de448 | 207 | pressure += 300; |
cotigac | 3:c2ab3a0de448 | 208 | if(pressure > 10300) pressure = 7500; |
cotigac | 3:c2ab3a0de448 | 209 | |
cotigac | 3:c2ab3a0de448 | 210 | x += 1400; |
cotigac | 3:c2ab3a0de448 | 211 | y -= 2300; |
cotigac | 3:c2ab3a0de448 | 212 | z += 1700; |
cotigac | 3:c2ab3a0de448 | 213 | } |
cotigac | 3:c2ab3a0de448 | 214 | |
khuang | 1:a0d9eeedb771 | 215 | void StartHaptic(void) { |
khuang | 0:c80666325948 | 216 | hapticTimer.start(50); |
khuang | 0:c80666325948 | 217 | haptic = 1; |
khuang | 0:c80666325948 | 218 | } |
khuang | 0:c80666325948 | 219 | |
khuang | 0:c80666325948 | 220 | void StopHaptic(void const *n) { |
khuang | 0:c80666325948 | 221 | haptic = 0; |
khuang | 0:c80666325948 | 222 | hapticTimer.stop(); |
khuang | 0:c80666325948 | 223 | } |
khuang | 1:a0d9eeedb771 | 224 |