Hexiwear Code for Game Controls
Dependencies: FXAS21002 FXOS8700 Hexi_KW40Z Hexi_OLED_SSD1351
Fork of Hexi_Final_Project by
main.cpp@6:8a9b0eb4835d, 2018-06-12 (annotated)
- Committer:
- adrayv
- Date:
- Tue Jun 12 03:39:57 2018 +0000
- Revision:
- 6:8a9b0eb4835d
- Parent:
- 5:b479668a7373
- Child:
- 7:bf37cb7bbffc
cleaned up code
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" |
adrayv | 5:b479668a7373 | 7 | #include "FXAS21002.h" |
adrayv | 5:b479668a7373 | 8 | #include "FXOS8700.h" |
adrayv | 5:b479668a7373 | 9 | #include <cmath> |
khuang | 0:c80666325948 | 10 | |
khuang | 0:c80666325948 | 11 | #define LED_ON 0 |
khuang | 0:c80666325948 | 12 | #define LED_OFF 1 |
cotigac | 3:c2ab3a0de448 | 13 | |
cotigac | 3:c2ab3a0de448 | 14 | void UpdateSensorData(void); |
adrayv | 5:b479668a7373 | 15 | void GetSensorData(void); |
khuang | 0:c80666325948 | 16 | void StartHaptic(void); |
khuang | 0:c80666325948 | 17 | void StopHaptic(void const *n); |
khuang | 1:a0d9eeedb771 | 18 | void txTask(void); |
adrayv | 5:b479668a7373 | 19 | FXOS8700 accel(PTC11, PTC10); |
khuang | 0:c80666325948 | 20 | |
xihan94 | 4:20d4eebfa986 | 21 | Serial pc(USBTX, USBRX); |
xihan94 | 4:20d4eebfa986 | 22 | |
khuang | 0:c80666325948 | 23 | DigitalOut redLed(LED1,1); |
khuang | 0:c80666325948 | 24 | DigitalOut greenLed(LED2,1); |
khuang | 0:c80666325948 | 25 | DigitalOut blueLed(LED3,1); |
khuang | 0:c80666325948 | 26 | DigitalOut haptic(PTB9); |
khuang | 0:c80666325948 | 27 | |
khuang | 0:c80666325948 | 28 | /* Define timer for haptic feedback */ |
khuang | 0:c80666325948 | 29 | RtosTimer hapticTimer(StopHaptic, osTimerOnce); |
khuang | 0:c80666325948 | 30 | |
khuang | 0:c80666325948 | 31 | /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */ |
khuang | 0:c80666325948 | 32 | KW40Z kw40z_device(PTE24, PTE25); |
khuang | 0:c80666325948 | 33 | |
khuang | 0:c80666325948 | 34 | /* Instantiate the SSD1351 OLED Driver */ |
khuang | 0:c80666325948 | 35 | SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); /* (MOSI,SCLK,POWER,CS,RST,DC) */ |
khuang | 0:c80666325948 | 36 | |
khuang | 1:a0d9eeedb771 | 37 | /*Create a Thread to handle sending BLE Sensor Data */ |
khuang | 1:a0d9eeedb771 | 38 | Thread txThread; |
khuang | 0:c80666325948 | 39 | |
khuang | 1:a0d9eeedb771 | 40 | /* Text Buffer */ |
khuang | 1:a0d9eeedb771 | 41 | char text[20]; |
khuang | 1:a0d9eeedb771 | 42 | |
cotigac | 3:c2ab3a0de448 | 43 | uint8_t battery = 100; |
adrayv | 5:b479668a7373 | 44 | int16_t x = 0; |
adrayv | 5:b479668a7373 | 45 | int16_t y = 0; |
adrayv | 5:b479668a7373 | 46 | int16_t z = 0; |
adrayv | 5:b479668a7373 | 47 | |
adrayv | 5:b479668a7373 | 48 | uint8_t abs_x = 0; |
adrayv | 5:b479668a7373 | 49 | uint8_t abs_y = 0; |
adrayv | 5:b479668a7373 | 50 | uint8_t abs_z = 0; |
adrayv | 5:b479668a7373 | 51 | float accel_data[3]; |
cotigac | 3:c2ab3a0de448 | 52 | |
khuang | 1:a0d9eeedb771 | 53 | /****************************Call Back Functions*******************************/ |
khuang | 0:c80666325948 | 54 | void ButtonRight(void) |
khuang | 0:c80666325948 | 55 | { |
khuang | 0:c80666325948 | 56 | StartHaptic(); |
adrayv | 6:8a9b0eb4835d | 57 | kw40z_device.ToggleAdvertisementMode(); |
khuang | 0:c80666325948 | 58 | } |
khuang | 0:c80666325948 | 59 | |
khuang | 0:c80666325948 | 60 | void ButtonLeft(void) |
khuang | 0:c80666325948 | 61 | { |
khuang | 0:c80666325948 | 62 | StartHaptic(); |
adrayv | 6:8a9b0eb4835d | 63 | kw40z_device.ToggleAdvertisementMode(); |
khuang | 0:c80666325948 | 64 | } |
khuang | 0:c80666325948 | 65 | |
khuang | 0:c80666325948 | 66 | void PassKey(void) |
khuang | 0:c80666325948 | 67 | { |
khuang | 0:c80666325948 | 68 | StartHaptic(); |
khuang | 0:c80666325948 | 69 | strcpy((char *) text,"PAIR CODE"); |
khuang | 1:a0d9eeedb771 | 70 | oled.TextBox((uint8_t *)text,0,25,95,18); |
khuang | 0:c80666325948 | 71 | |
khuang | 0:c80666325948 | 72 | /* Display Bond Pass Key in a 95px by 18px textbox at x=0,y=40 */ |
khuang | 0:c80666325948 | 73 | sprintf(text,"%d", kw40z_device.GetPassKey()); |
khuang | 0:c80666325948 | 74 | oled.TextBox((uint8_t *)text,0,40,95,18); |
khuang | 0:c80666325948 | 75 | } |
khuang | 1:a0d9eeedb771 | 76 | |
xihan94 | 4:20d4eebfa986 | 77 | // Key modification: use the alert functionality enabled by the host-ble interface |
xihan94 | 4:20d4eebfa986 | 78 | // to define our own command. |
xihan94 | 4:20d4eebfa986 | 79 | void AlertReceived(uint8_t *data, uint8_t length) |
xihan94 | 4:20d4eebfa986 | 80 | { |
xihan94 | 4:20d4eebfa986 | 81 | StartHaptic(); |
xihan94 | 4:20d4eebfa986 | 82 | data[19] = 0; |
xihan94 | 4:20d4eebfa986 | 83 | pc.printf("%s\n\r", data); |
xihan94 | 4:20d4eebfa986 | 84 | |
xihan94 | 4:20d4eebfa986 | 85 | // data (our command) must 20 bytes long. |
xihan94 | 4:20d4eebfa986 | 86 | // CMD for turning on: 'ledonledonledonledon' |
xihan94 | 4:20d4eebfa986 | 87 | if (data[4] == 'n') { |
xihan94 | 4:20d4eebfa986 | 88 | greenLed = LED_ON; |
xihan94 | 4:20d4eebfa986 | 89 | redLed = LED_ON; |
xihan94 | 4:20d4eebfa986 | 90 | blueLed = LED_ON; |
xihan94 | 4:20d4eebfa986 | 91 | pc.printf("on\n\r", data); |
xihan94 | 4:20d4eebfa986 | 92 | |
xihan94 | 4:20d4eebfa986 | 93 | // CMD for turning off: 'ledoffledoffledoffled' |
xihan94 | 4:20d4eebfa986 | 94 | } else if (data[4] == 'f') { |
xihan94 | 4:20d4eebfa986 | 95 | greenLed = LED_OFF; |
xihan94 | 4:20d4eebfa986 | 96 | redLed = LED_OFF; |
xihan94 | 4:20d4eebfa986 | 97 | blueLed = LED_OFF; |
xihan94 | 4:20d4eebfa986 | 98 | pc.printf("off\n\r", data); |
xihan94 | 4:20d4eebfa986 | 99 | } |
xihan94 | 4:20d4eebfa986 | 100 | } |
khuang | 1:a0d9eeedb771 | 101 | /***********************End of Call Back Functions*****************************/ |
khuang | 1:a0d9eeedb771 | 102 | |
khuang | 1:a0d9eeedb771 | 103 | /********************************Main******************************************/ |
khuang | 1:a0d9eeedb771 | 104 | |
khuang | 0:c80666325948 | 105 | int main() |
khuang | 0:c80666325948 | 106 | { |
cotigac | 3:c2ab3a0de448 | 107 | /* Register callbacks to application functions */ |
cotigac | 3:c2ab3a0de448 | 108 | kw40z_device.attach_buttonLeft(&ButtonLeft); |
cotigac | 3:c2ab3a0de448 | 109 | kw40z_device.attach_buttonRight(&ButtonRight); |
cotigac | 3:c2ab3a0de448 | 110 | kw40z_device.attach_passkey(&PassKey); |
xihan94 | 4:20d4eebfa986 | 111 | kw40z_device.attach_alert(&AlertReceived); |
adrayv | 5:b479668a7373 | 112 | |
adrayv | 5:b479668a7373 | 113 | accel.accel_config(); |
khuang | 0:c80666325948 | 114 | |
xihan94 | 4:20d4eebfa986 | 115 | pc.printf("hello\n\r"); |
xihan94 | 4:20d4eebfa986 | 116 | |
khuang | 0:c80666325948 | 117 | /* Turn on the backlight of the OLED Display */ |
khuang | 0:c80666325948 | 118 | oled.DimScreenON(); |
khuang | 0:c80666325948 | 119 | |
khuang | 0:c80666325948 | 120 | /* Fills the screen with solid black */ |
khuang | 0:c80666325948 | 121 | oled.FillScreen(COLOR_BLACK); |
cotigac | 3:c2ab3a0de448 | 122 | |
cotigac | 3:c2ab3a0de448 | 123 | /* Get OLED Class Default Text Properties */ |
cotigac | 3:c2ab3a0de448 | 124 | oled_text_properties_t textProperties = {0}; |
cotigac | 3:c2ab3a0de448 | 125 | oled.GetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 126 | |
khuang | 0:c80666325948 | 127 | /* Change font color to Blue */ |
khuang | 0:c80666325948 | 128 | textProperties.fontColor = COLOR_BLUE; |
khuang | 0:c80666325948 | 129 | oled.SetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 130 | |
khuang | 0:c80666325948 | 131 | /* Display Bluetooth Label at x=17,y=65 */ |
khuang | 0:c80666325948 | 132 | strcpy((char *) text,"BLUETOOTH"); |
khuang | 0:c80666325948 | 133 | oled.Label((uint8_t *)text,17,65); |
khuang | 0:c80666325948 | 134 | |
khuang | 0:c80666325948 | 135 | /* Change font color to white */ |
khuang | 0:c80666325948 | 136 | textProperties.fontColor = COLOR_WHITE; |
khuang | 0:c80666325948 | 137 | textProperties.alignParam = OLED_TEXT_ALIGN_CENTER; |
khuang | 0:c80666325948 | 138 | oled.SetTextProperties(&textProperties); |
khuang | 0:c80666325948 | 139 | |
khuang | 1:a0d9eeedb771 | 140 | /* Display Label at x=22,y=80 */ |
khuang | 0:c80666325948 | 141 | strcpy((char *) text,"Tap Below"); |
khuang | 0:c80666325948 | 142 | oled.Label((uint8_t *)text,22,80); |
khuang | 0:c80666325948 | 143 | |
khuang | 1:a0d9eeedb771 | 144 | uint8_t prevLinkState = 0; |
cotigac | 3:c2ab3a0de448 | 145 | uint8_t currLinkState = 0; |
cotigac | 3:c2ab3a0de448 | 146 | |
khuang | 1:a0d9eeedb771 | 147 | txThread.start(txTask); /*Start transmitting Sensor Tag Data */ |
khuang | 0:c80666325948 | 148 | |
khuang | 1:a0d9eeedb771 | 149 | while (true) |
khuang | 1:a0d9eeedb771 | 150 | { |
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 | /* txTask() transmits the sensor data */ |
khuang | 1:a0d9eeedb771 | 159 | void txTask(void){ |
khuang | 1:a0d9eeedb771 | 160 | |
khuang | 1:a0d9eeedb771 | 161 | while (true) |
khuang | 1:a0d9eeedb771 | 162 | { |
adrayv | 5:b479668a7373 | 163 | GetSensorData(); |
khuang | 0:c80666325948 | 164 | |
khuang | 1:a0d9eeedb771 | 165 | /*Notify Hexiwear App that it is running Sensor Tag mode*/ |
khuang | 0:c80666325948 | 166 | kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG); |
khuang | 0:c80666325948 | 167 | |
khuang | 1:a0d9eeedb771 | 168 | /*The following is sending dummy data over BLE. Replace with real data*/ |
khuang | 1:a0d9eeedb771 | 169 | |
khuang | 0:c80666325948 | 170 | /*Send Battery Level for 20% */ |
adrayv | 6:8a9b0eb4835d | 171 | // SendAccel does not work and is not stable over bluetooth |
adrayv | 6:8a9b0eb4835d | 172 | // So we will use SendBattery |
adrayv | 6:8a9b0eb4835d | 173 | // But since SendBattery cannot send multiple values at a time |
adrayv | 6:8a9b0eb4835d | 174 | // We will have to advertise to Pi what value it should expect next |
adrayv | 5:b479668a7373 | 175 | kw40z_device.SendBatteryLevel('x'); |
adrayv | 5:b479668a7373 | 176 | kw40z_device.SendBatteryLevel(abs_x); |
adrayv | 5:b479668a7373 | 177 | kw40z_device.SendBatteryLevel('y'); |
adrayv | 5:b479668a7373 | 178 | kw40z_device.SendBatteryLevel(abs_y); |
adrayv | 5:b479668a7373 | 179 | kw40z_device.SendBatteryLevel('z'); |
adrayv | 5:b479668a7373 | 180 | kw40z_device.SendBatteryLevel(abs_z); |
cotigac | 3:c2ab3a0de448 | 181 | |
khuang | 1:a0d9eeedb771 | 182 | Thread::wait(1000); |
khuang | 0:c80666325948 | 183 | } |
khuang | 0:c80666325948 | 184 | } |
khuang | 0:c80666325948 | 185 | |
adrayv | 5:b479668a7373 | 186 | void GetSensorData(void) { |
adrayv | 5:b479668a7373 | 187 | accel.acquire_accel_data_g(accel_data); |
adrayv | 6:8a9b0eb4835d | 188 | |
adrayv | 6:8a9b0eb4835d | 189 | // get x,y,z data and amplify them by 100 |
adrayv | 6:8a9b0eb4835d | 190 | // convert x,y,z data to positive numbers since SendBattery only supports unsigned ints |
adrayv | 5:b479668a7373 | 191 | x = (int16_t)(accel_data[0] * 100); |
adrayv | 5:b479668a7373 | 192 | y = (int16_t)(accel_data[1] * 100); |
adrayv | 5:b479668a7373 | 193 | z = (int16_t)(accel_data[2] * 100); |
adrayv | 5:b479668a7373 | 194 | abs_x = abs(x); |
adrayv | 5:b479668a7373 | 195 | abs_y = abs(y); |
adrayv | 5:b479668a7373 | 196 | abs_z = abs(z); |
adrayv | 5:b479668a7373 | 197 | printf("ACCEL (x100)(ABS): X:%d Y:%d Z:%d\n",abs_x,abs_y,abs_z); |
cotigac | 3:c2ab3a0de448 | 198 | } |
cotigac | 3:c2ab3a0de448 | 199 | |
khuang | 1:a0d9eeedb771 | 200 | void StartHaptic(void) { |
khuang | 0:c80666325948 | 201 | hapticTimer.start(50); |
khuang | 0:c80666325948 | 202 | haptic = 1; |
khuang | 0:c80666325948 | 203 | } |
khuang | 0:c80666325948 | 204 | |
khuang | 0:c80666325948 | 205 | void StopHaptic(void const *n) { |
khuang | 0:c80666325948 | 206 | haptic = 0; |
khuang | 0:c80666325948 | 207 | hapticTimer.stop(); |
khuang | 0:c80666325948 | 208 | } |
khuang | 1:a0d9eeedb771 | 209 |