Code to be run for the project Group Fitness
Dependencies: FXOS8700 Hexi_KW40Z Hexi_OLED_SSD1351 MAX30101
Fork of final_project_ee119 by
main.cpp@6:328ef7a29083, 2018-06-15 (annotated)
- Committer:
- angelasnail
- Date:
- Fri Jun 15 03:38:32 2018 +0000
- Revision:
- 6:328ef7a29083
- Parent:
- 5:a2f68bbb5400
- Child:
- 7:e5fcb30509ea
work in progress
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
xihan94 | 0:33686dd26bf9 | 1 | #include "mbed.h" |
xihan94 | 0:33686dd26bf9 | 2 | #include "mbed_events.h" |
catchvibes95 | 4:eb89733b8642 | 3 | #include "Hexi_KW40Z.h" |
catchvibes95 | 4:eb89733b8642 | 4 | #include "Hexi_OLED_SSD1351.h" |
catchvibes95 | 4:eb89733b8642 | 5 | #include "OLED_types.h" |
catchvibes95 | 4:eb89733b8642 | 6 | #include "OpenSans_Font.h" |
catchvibes95 | 4:eb89733b8642 | 7 | #include "string.h" |
catchvibes95 | 4:eb89733b8642 | 8 | #include "FXOS8700.h" |
catchvibes95 | 4:eb89733b8642 | 9 | |
angelasnail | 6:328ef7a29083 | 10 | void StartHaptic(void); |
angelasnail | 6:328ef7a29083 | 11 | void StopHaptic(void const *n); |
angelasnail | 6:328ef7a29083 | 12 | float Filter(int s); |
angelasnail | 6:328ef7a29083 | 13 | void AlertReceived(uint8_t *data, uint8_t length); |
angelasnail | 6:328ef7a29083 | 14 | |
catchvibes95 | 4:eb89733b8642 | 15 | void UpdateSensorData(void); |
catchvibes95 | 4:eb89733b8642 | 16 | void txTask(void); |
catchvibes95 | 4:eb89733b8642 | 17 | |
catchvibes95 | 4:eb89733b8642 | 18 | FXOS8700 accel(PTC11, PTC10); |
catchvibes95 | 4:eb89733b8642 | 19 | |
catchvibes95 | 4:eb89733b8642 | 20 | /* Instantiate the Hexi KW40Z Driver (UART TX, UART RX) */ |
catchvibes95 | 4:eb89733b8642 | 21 | KW40Z kw40z_device(PTE24, PTE25); |
catchvibes95 | 4:eb89733b8642 | 22 | |
catchvibes95 | 4:eb89733b8642 | 23 | /* Instantiate the SSD1351 OLED Driver */ |
catchvibes95 | 4:eb89733b8642 | 24 | SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); /* (MOSI,SCLK,POWER,CS,RST,DC) */ |
catchvibes95 | 4:eb89733b8642 | 25 | |
catchvibes95 | 4:eb89733b8642 | 26 | /*Create a Thread to handle sending BLE Sensor Data */ |
catchvibes95 | 4:eb89733b8642 | 27 | Thread txThread; |
catchvibes95 | 4:eb89733b8642 | 28 | |
xihan94 | 0:33686dd26bf9 | 29 | Thread t; |
xihan94 | 0:33686dd26bf9 | 30 | |
catchvibes95 | 4:eb89733b8642 | 31 | char text[20]; |
catchvibes95 | 4:eb89733b8642 | 32 | |
catchvibes95 | 4:eb89733b8642 | 33 | // Variables |
catchvibes95 | 4:eb89733b8642 | 34 | float accel_data[3]; // Storage for the data from the sensor |
catchvibes95 | 4:eb89733b8642 | 35 | float accel_rms=0.0; // RMS value from the sensor |
catchvibes95 | 4:eb89733b8642 | 36 | float ax, ay, az; // Integer value from the sensor to be displayed |
catchvibes95 | 4:eb89733b8642 | 37 | const uint8_t *image1; // Pointer for the image1 to be displayed |
catchvibes95 | 4:eb89733b8642 | 38 | char text1[20]; // Text Buffer for dynamic value displayed |
catchvibes95 | 4:eb89733b8642 | 39 | char text2[20]; // Text Buffer for dynamic value displayed |
catchvibes95 | 4:eb89733b8642 | 40 | char text3[20]; // Text Buffer for dynamic value displayed |
catchvibes95 | 4:eb89733b8642 | 41 | float dot; |
catchvibes95 | 4:eb89733b8642 | 42 | float old_acc=0; |
catchvibes95 | 4:eb89733b8642 | 43 | float new_acc=0; |
catchvibes95 | 4:eb89733b8642 | 44 | float old_accx, old_accy, old_accz, old_dot=0.0; |
catchvibes95 | 4:eb89733b8642 | 45 | uint8_t StepNum = 0, StepNumber = 0; |
catchvibes95 | 4:eb89733b8642 | 46 | |
catchvibes95 | 4:eb89733b8642 | 47 | float filter_buf[75]; |
catchvibes95 | 4:eb89733b8642 | 48 | |
angelasnail | 6:328ef7a29083 | 49 | |
angelasnail | 6:328ef7a29083 | 50 | |
catchvibes95 | 4:eb89733b8642 | 51 | /****************************Call Back Functions*******************************/ |
angelasnail | 6:328ef7a29083 | 52 | void ButtonUp(void) { |
angelasnail | 6:328ef7a29083 | 53 | StartHaptic(); |
angelasnail | 6:328ef7a29083 | 54 | flag=1; |
angelasnail | 6:328ef7a29083 | 55 | } |
angelasnail | 6:328ef7a29083 | 56 | |
angelasnail | 6:328ef7a29083 | 57 | void ButtonDown(void) { |
angelasnail | 6:328ef7a29083 | 58 | StartHaptic(); |
angelasnail | 6:328ef7a29083 | 59 | flag=2; |
angelasnail | 6:328ef7a29083 | 60 | } |
angelasnail | 6:328ef7a29083 | 61 | |
angelasnail | 6:328ef7a29083 | 62 | void ButtonRight(void) { |
angelasnail | 6:328ef7a29083 | 63 | StartHaptic(); |
angelasnail | 6:328ef7a29083 | 64 | flag=3; |
angelasnail | 6:328ef7a29083 | 65 | } |
angelasnail | 6:328ef7a29083 | 66 | |
catchvibes95 | 4:eb89733b8642 | 67 | |
angelasnail | 6:328ef7a29083 | 68 | // just write the received data to the screen |
angelasnail | 6:328ef7a29083 | 69 | void displayString() { |
angelasnail | 6:328ef7a29083 | 70 | if (!processedReceivedData) { |
angelasnail | 6:328ef7a29083 | 71 | clearScreen(); |
angelasnail | 6:328ef7a29083 | 72 | |
angelasnail | 6:328ef7a29083 | 73 | processedReceivedData = true; |
angelasnail | 6:328ef7a29083 | 74 | oled_text_properties_t textProperties = {0}; |
angelasnail | 6:328ef7a29083 | 75 | oled.GetTextProperties(&textProperties); |
angelasnail | 6:328ef7a29083 | 76 | |
angelasnail | 6:328ef7a29083 | 77 | textProperties.fontColor = COLOR_BLUE; |
angelasnail | 6:328ef7a29083 | 78 | oled.SetTextProperties(&textProperties); |
angelasnail | 6:328ef7a29083 | 79 | |
angelasnail | 6:328ef7a29083 | 80 | sprintf(text, "USER: %s\0",user); |
angelasnail | 6:328ef7a29083 | 81 | oled.Label((uint8_t*)text,0,0); |
angelasnail | 6:328ef7a29083 | 82 | |
angelasnail | 6:328ef7a29083 | 83 | sprintf(text, "MEAN HR: %s\0",mean); |
angelasnail | 6:328ef7a29083 | 84 | oled.Label((uint8_t*)text,0,15); |
angelasnail | 6:328ef7a29083 | 85 | |
angelasnail | 6:328ef7a29083 | 86 | sprintf(text, "MAX HR: %s\0",max); |
angelasnail | 6:328ef7a29083 | 87 | oled.Label((uint8_t*)text,0,30); |
angelasnail | 6:328ef7a29083 | 88 | |
angelasnail | 6:328ef7a29083 | 89 | sprintf(text, "MIN HR: %s\0",min); |
angelasnail | 6:328ef7a29083 | 90 | oled.Label((uint8_t*)text,0,45); |
angelasnail | 6:328ef7a29083 | 91 | |
angelasnail | 6:328ef7a29083 | 92 | sprintf(text, "STEPS: %s\0",steps); |
angelasnail | 6:328ef7a29083 | 93 | oled.Label((uint8_t*)text,0,60); |
catchvibes95 | 4:eb89733b8642 | 94 | } |
catchvibes95 | 4:eb89733b8642 | 95 | } |
catchvibes95 | 4:eb89733b8642 | 96 | |
catchvibes95 | 4:eb89733b8642 | 97 | |
trhackett | 5:a2f68bbb5400 | 98 | // main() runs in its own thread in the OS |
trhackett | 5:a2f68bbb5400 | 99 | int main() { |
trhackett | 5:a2f68bbb5400 | 100 | accel.accel_config(); |
catchvibes95 | 4:eb89733b8642 | 101 | |
trhackett | 5:a2f68bbb5400 | 102 | txThread.start(txTask); /*Start transmitting Sensor Tag Data */ |
catchvibes95 | 4:eb89733b8642 | 103 | |
trhackett | 5:a2f68bbb5400 | 104 | while (true) { |
trhackett | 5:a2f68bbb5400 | 105 | Thread::wait(50); |
catchvibes95 | 4:eb89733b8642 | 106 | } |
catchvibes95 | 4:eb89733b8642 | 107 | } |
xihan94 | 0:33686dd26bf9 | 108 | |
catchvibes95 | 4:eb89733b8642 | 109 | void txTask(void){ |
catchvibes95 | 4:eb89733b8642 | 110 | |
catchvibes95 | 4:eb89733b8642 | 111 | while (true) |
catchvibes95 | 4:eb89733b8642 | 112 | { |
angelasnail | 6:328ef7a29083 | 113 | if (kw40z_device.GetLinkState() == 0) { |
angelasnail | 6:328ef7a29083 | 114 | kw40z_device.ToggleAdvertisementMode(); |
angelasnail | 6:328ef7a29083 | 115 | } |
angelasnail | 6:328ef7a29083 | 116 | |
catchvibes95 | 4:eb89733b8642 | 117 | UpdateSensorData(); |
catchvibes95 | 4:eb89733b8642 | 118 | |
catchvibes95 | 4:eb89733b8642 | 119 | /*Notify Hexiwear App that it is running Sensor Tag mode*/ |
catchvibes95 | 4:eb89733b8642 | 120 | kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG); |
angelasnail | 6:328ef7a29083 | 121 | |
angelasnail | 6:328ef7a29083 | 122 | kw40z_device.SendAlert(result, 2); |
catchvibes95 | 4:eb89733b8642 | 123 | kw40z_device.SendBatteryLevel(StepNumber); |
catchvibes95 | 4:eb89733b8642 | 124 | |
catchvibes95 | 4:eb89733b8642 | 125 | Thread::wait(10); |
catchvibes95 | 4:eb89733b8642 | 126 | } |
catchvibes95 | 4:eb89733b8642 | 127 | } |
catchvibes95 | 4:eb89733b8642 | 128 | |
catchvibes95 | 4:eb89733b8642 | 129 | void UpdateSensorData(void) |
catchvibes95 | 4:eb89733b8642 | 130 | { |
angelasnail | 6:328ef7a29083 | 131 | if(flag == 1) { |
angelasnail | 6:328ef7a29083 | 132 | result[1]=1; |
angelasnail | 6:328ef7a29083 | 133 | flag=0; |
angelasnail | 6:328ef7a29083 | 134 | userChosen = 1; |
angelasnail | 6:328ef7a29083 | 135 | } |
angelasnail | 6:328ef7a29083 | 136 | |
angelasnail | 6:328ef7a29083 | 137 | if(flag == 2) { |
angelasnail | 6:328ef7a29083 | 138 | result[1]=2; |
angelasnail | 6:328ef7a29083 | 139 | flag=0; |
angelasnail | 6:328ef7a29083 | 140 | userChosen = 2; |
angelasnail | 6:328ef7a29083 | 141 | } |
angelasnail | 6:328ef7a29083 | 142 | |
angelasnail | 6:328ef7a29083 | 143 | if(flag == 3){ |
angelasnail | 6:328ef7a29083 | 144 | result[1]=3; |
angelasnail | 6:328ef7a29083 | 145 | flag=0; |
angelasnail | 6:328ef7a29083 | 146 | userChosen = 3; |
angelasnail | 6:328ef7a29083 | 147 | } |
angelasnail | 6:328ef7a29083 | 148 | |
trhackett | 5:a2f68bbb5400 | 149 | accel.acquire_accel_data_g(accel_data); |
trhackett | 5:a2f68bbb5400 | 150 | ax = Filter(0); |
trhackett | 5:a2f68bbb5400 | 151 | ay = Filter(1); |
trhackett | 5:a2f68bbb5400 | 152 | az = Filter(2); |
trhackett | 5:a2f68bbb5400 | 153 | wait(0.02); |
trhackett | 5:a2f68bbb5400 | 154 | accel_rms = sqrt((ax*ax)+(ay*ay)+(az*az)/3); |
trhackett | 5:a2f68bbb5400 | 155 | dot = (old_accx * ax)+(old_accy * ay)+(old_accz * az); |
trhackett | 5:a2f68bbb5400 | 156 | old_acc = abs(sqrt(old_accx*old_accx+old_accy*old_accy+old_accz*old_accz)); |
trhackett | 5:a2f68bbb5400 | 157 | new_acc = abs(sqrt(ax*ax+ay*ay+az*az)); |
trhackett | 5:a2f68bbb5400 | 158 | dot /= (old_acc * new_acc); |
trhackett | 5:a2f68bbb5400 | 159 | |
trhackett | 5:a2f68bbb5400 | 160 | /* Display Legends */ |
trhackett | 5:a2f68bbb5400 | 161 | StepNum = StepNumber; |
trhackett | 5:a2f68bbb5400 | 162 | if(abs(dot - old_dot) >= 0.05 && abs(dot - old_dot) <= 0.10) { |
trhackett | 5:a2f68bbb5400 | 163 | StepNumber += 1; |
trhackett | 5:a2f68bbb5400 | 164 | } |
trhackett | 5:a2f68bbb5400 | 165 | |
trhackett | 5:a2f68bbb5400 | 166 | old_accx = ax; |
trhackett | 5:a2f68bbb5400 | 167 | old_accy = ay; |
trhackett | 5:a2f68bbb5400 | 168 | old_accz = az; |
trhackett | 5:a2f68bbb5400 | 169 | old_dot = dot; |
trhackett | 5:a2f68bbb5400 | 170 | |
trhackett | 5:a2f68bbb5400 | 171 | Thread::wait(250); |
angelasnail | 6:328ef7a29083 | 172 | } |
angelasnail | 6:328ef7a29083 | 173 | |
angelasnail | 6:328ef7a29083 | 174 | void StartHaptic(void) { |
angelasnail | 6:328ef7a29083 | 175 | hapticTimer.start(50); |
angelasnail | 6:328ef7a29083 | 176 | haptic = 1; |
angelasnail | 6:328ef7a29083 | 177 | } |
angelasnail | 6:328ef7a29083 | 178 | |
angelasnail | 6:328ef7a29083 | 179 | void StopHaptic(void const *n) { |
angelasnail | 6:328ef7a29083 | 180 | haptic = 0; |
angelasnail | 6:328ef7a29083 | 181 | hapticTimer.stop(); |
angelasnail | 6:328ef7a29083 | 182 | } |
angelasnail | 6:328ef7a29083 | 183 | |
angelasnail | 6:328ef7a29083 | 184 | float Filter(int s) { |
angelasnail | 6:328ef7a29083 | 185 | accel.acquire_accel_data_g(accel_data); |
angelasnail | 6:328ef7a29083 | 186 | float filter_sum = 0.0; |
angelasnail | 6:328ef7a29083 | 187 | //printf("%d\n\r",s); |
angelasnail | 6:328ef7a29083 | 188 | for(int i = 0; i < 75; i++) |
angelasnail | 6:328ef7a29083 | 189 | { |
angelasnail | 6:328ef7a29083 | 190 | filter_buf[i] = accel_data[s]; |
angelasnail | 6:328ef7a29083 | 191 | //printf("%4.2f\n\r",filter_buf[i]); |
angelasnail | 6:328ef7a29083 | 192 | filter_sum += filter_buf[i]; |
angelasnail | 6:328ef7a29083 | 193 | } |
angelasnail | 6:328ef7a29083 | 194 | return (float)(filter_sum / 75); |
angelasnail | 6:328ef7a29083 | 195 | } |
angelasnail | 6:328ef7a29083 | 196 | |
angelasnail | 6:328ef7a29083 | 197 | // Key modification: use the alert functionality enabled by the host-ble interface |
angelasnail | 6:328ef7a29083 | 198 | // to define our own command. |
angelasnail | 6:328ef7a29083 | 199 | void AlertReceived(uint8_t *data, uint8_t length) { |
angelasnail | 6:328ef7a29083 | 200 | |
angelasnail | 6:328ef7a29083 | 201 | StartHaptic(); |
angelasnail | 6:328ef7a29083 | 202 | data[19] = 0; |
angelasnail | 6:328ef7a29083 | 203 | |
angelasnail | 6:328ef7a29083 | 204 | // 1: copy data into a global array |
angelasnail | 6:328ef7a29083 | 205 | if (processedReceivedData) { |
angelasnail | 6:328ef7a29083 | 206 | processedReceivedData = false; |
angelasnail | 6:328ef7a29083 | 207 | for (int i = 0; i < 9; i++) { |
angelasnail | 6:328ef7a29083 | 208 | receivedSummaryData1[i] = data[i]; |
angelasnail | 6:328ef7a29083 | 209 | } |
angelasnail | 6:328ef7a29083 | 210 | |
angelasnail | 6:328ef7a29083 | 211 | for (int i = 9; i < 18; i++) { |
angelasnail | 6:328ef7a29083 | 212 | receivedSummaryData2[i-9] = data[i]; |
angelasnail | 6:328ef7a29083 | 213 | } |
angelasnail | 6:328ef7a29083 | 214 | } |
angelasnail | 6:328ef7a29083 | 215 | |
angelasnail | 6:328ef7a29083 | 216 | user[0] = '0' + userChosen; |
angelasnail | 6:328ef7a29083 | 217 | |
angelasnail | 6:328ef7a29083 | 218 | mean[0] = data[0]; |
angelasnail | 6:328ef7a29083 | 219 | mean[1] = data[1]; |
angelasnail | 6:328ef7a29083 | 220 | mean[2] = data[2]; |
angelasnail | 6:328ef7a29083 | 221 | |
angelasnail | 6:328ef7a29083 | 222 | max[0] = data[5]; |
angelasnail | 6:328ef7a29083 | 223 | max[1] = data[6]; |
angelasnail | 6:328ef7a29083 | 224 | max[2] = data[7]; |
angelasnail | 6:328ef7a29083 | 225 | |
angelasnail | 6:328ef7a29083 | 226 | min[0] = data[10]; |
angelasnail | 6:328ef7a29083 | 227 | min[1] = data[11]; |
angelasnail | 6:328ef7a29083 | 228 | min[2] = data[12]; |
angelasnail | 6:328ef7a29083 | 229 | |
angelasnail | 6:328ef7a29083 | 230 | steps[0] = data[15]; |
angelasnail | 6:328ef7a29083 | 231 | steps[1] = data[16]; |
angelasnail | 6:328ef7a29083 | 232 | steps[2] = data[17]; |
angelasnail | 6:328ef7a29083 | 233 | steps[3] = data[18]; |
angelasnail | 6:328ef7a29083 | 234 | steps[4] = data[19]; |
angelasnail | 6:328ef7a29083 | 235 | |
angelasnail | 6:328ef7a29083 | 236 | user[1] = 0; |
angelasnail | 6:328ef7a29083 | 237 | mean[3] = 0; |
angelasnail | 6:328ef7a29083 | 238 | max[3] = 0; |
angelasnail | 6:328ef7a29083 | 239 | min[3] = 0; |
angelasnail | 6:328ef7a29083 | 240 | steps[5] = 0; |
angelasnail | 6:328ef7a29083 | 241 | |
angelasnail | 6:328ef7a29083 | 242 | receivedSummaryData1[9] = 0; |
angelasnail | 6:328ef7a29083 | 243 | receivedSummaryData2[9] = 0; |
angelasnail | 6:328ef7a29083 | 244 | |
angelasnail | 6:328ef7a29083 | 245 | // if you haven't yet processed the data that pi sent |
angelasnail | 6:328ef7a29083 | 246 | // you in the past, then don't do anything. |
angelasnail | 6:328ef7a29083 | 247 | |
angelasnail | 6:328ef7a29083 | 248 | // 2: queue up the displaying of that string |
angelasnail | 6:328ef7a29083 | 249 | displayEventQueue.call(&displayString); |
trhackett | 5:a2f68bbb5400 | 250 | } |