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Dependencies: Hexi_KW40Z Hexi_OLED_SSD1351 MAX30101
Fork of HeartRate by
Revision 4:8cee5929f4d8, committed 2018-06-13
- Comitter:
- haoshiz
- Date:
- Wed Jun 13 11:02:52 2018 +0000
- Parent:
- 3:2e12e0cd1f26
- Commit message:
- proj_v1;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hexi_KW40Z.lib Wed Jun 13 11:02:52 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/Hexiwear/code/Hexi_KW40Z/#3f5ed7abc5c7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Hexi_OLED_SSD1351.lib Wed Jun 13 11:02:52 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/teams/Hexiwear/code/Hexi_OLED_SSD1351/#ae5fad429790
--- a/main.cpp Fri Jun 01 23:23:08 2018 +0000 +++ b/main.cpp Wed Jun 13 11:02:52 2018 +0000 @@ -1,8 +1,14 @@ #include "mbed.h" #include "mbed_events.h" #include "MAX30101.h" - +#include "string.h" +#include "Hexi_OLED_SSD1351.h" +#include "Hexi_KW40Z.h" #define FIFO_DATA_MAX 288 +void UpdateSensorData(void); +void StartHaptic(void); +void StopHaptic(void const *n); +void txTask(void); DigitalOut pwr1v8(PTA29); DigitalOut pwr3v3b(PTC13); @@ -10,14 +16,102 @@ I2C i2c0(PTB1, PTB0); InterruptIn maximInterrupt(PTB18); Serial pc(USBTX, USBRX); - +SSD1351 oled(PTB22,PTB21,PTC13,PTB20,PTE6, PTD15); +KW40Z kw40z_device(PTE24, PTE25); +DigitalOut haptic(PTB9); EventQueue evqueue(32 * EVENTS_EVENT_SIZE); Thread t; +/* Define timer for haptic feedback */ +RtosTimer hapticTimer(StopHaptic, osTimerOnce); + +/*Create a Thread to handle sending BLE Sensor Data */ +Thread txThread; MAX30101 hr(i2c0); - +int realHeartRate; +float calorie; int mask_ppg = 0; uint32_t count = 0; +uint32_t num; +uint8_t testsignal = 60; +void StartHaptic(void) { + hapticTimer.start(50); + haptic = 1; +} +void ButtonRight(void) +{ + StartHaptic(); + kw40z_device.ToggleAdvertisementMode(); +} + +void ButtonLeft(void) +{ + StartHaptic(); + kw40z_device.ToggleAdvertisementMode(); +} + +void StopHaptic(void const *n) { + haptic = 0; + hapticTimer.stop(); +} +void txTask(void){ + + while (true) + { + UpdateSensorData(); + + /*Notify Hexiwear App that it is running Sensor Tag mode*/ + kw40z_device.SendSetApplicationMode(GUI_CURRENT_APP_SENSOR_TAG); + //send heartrate + kw40z_device.SendHeartRate(testsignal); + /*The following is sending dummy data over BLE. Replace with real data*/ + + /*Send Battery Level for 20% + kw40z_device.SendBatteryLevel(battery); + + Send Ambient Light Level at 50% + kw40z_device.SendAmbientLight(light);*/ + + /*Send Humidity at 90% */ + //kw40z_device.SendHumidity(humidity); + + /*Send Temperature at 25 degrees Celsius + kw40z_device.SendTemperature(temperature); + + /*Send Pressure at 100kPA */ + //kw40z_device.SendPressure(pressure); + + /*Send Mag,Accel,Gyro Data. + kw40z_device.SendGyro(x,y,z); + kw40z_device.SendAccel(z,x,y); + kw40z_device.SendMag(y,z,x);*/ + + Thread::wait(1000); + } +} +void UpdateSensorData(void) +{ + testsignal+=1; + /*battery -= 5; + if(battery < 5) battery = 100; + + light += 20; + if(light > 100) light = 0; + + humidity += 500; + if(humidity > 8000) humidity = 2000; + + temperature -= 200; + if(temperature < 200) temperature = 4200; + + pressure += 300; + if(pressure > 10300) pressure = 7500; + + x += 1400; + y -= 2300; + z += 1700;*/ +} + void interruptHandlerQueued() { MAX30101::InterruptBitField_u interruptStatus; @@ -75,15 +169,33 @@ // printf("FIFO Almost Full.\r\n"); uint8_t data[FIFO_DATA_MAX]; uint16_t readBytes = 0; + + hr.readFIFO(MAX30101::OneLedChannel, data, readBytes); - + //printf("data length: %u \r\n",readBytes); + //printf("data length: %u \r\n",data); for (uint16_t i = 0; i < readBytes; i += 3) { uint8_t sample[4] = {0}; sample[0] = data[i + 2]; sample[1] = data[i + 1]; sample[2] = data[i]; - printf("%u\r\n", *(uint32_t *) sample); + num = *(uint32_t *) sample; + if (num < 310000){ + realHeartRate = 0; + printf("keep closer to your hand \r\n"); + } + else { + + //realHeartRate = 65; + realHeartRate = (num - 310000)/100; + if (realHeartRate >45){ + printf("%d\r\n", realHeartRate); + } + } + //printf("%u\r\n", num); + + } } @@ -101,8 +213,10 @@ // main() runs in its own thread in the OS int main() { // printf("Hello world.\r\n"); - + t.start(callback(&evqueue, &EventQueue::dispatch_forever)); + kw40z_device.attach_buttonLeft(&ButtonLeft); + kw40z_device.attach_buttonRight(&ButtonRight); pwr1v8 = 1; pwr3v3b = 1; @@ -115,6 +229,48 @@ interruptStatus.all = 0xFF; hr.enableInterrupts(interruptStatus); + char text[20]; /* Text Buffer */ + oled_text_properties_t textProperties = {0}; + oled.GetTextProperties(&textProperties); + /* Turn on the backlight of the OLED Display */ + oled.DimScreenON(); + + /* Fills the screen with solid black */ + oled.FillScreen(COLOR_BLACK); + strcpy((char *) text, "Heart Rate:"); + oled.Label((uint8_t *)text,7,0); + + strcpy((char *) text, "Calorie/Hr:"); + oled.Label((uint8_t *)text,7,40); + //dynamic text setup + textProperties.fontColor = COLOR_WHITE; + textProperties.alignParam = OLED_TEXT_ALIGN_RIGHT; + oled.SetTextProperties(&textProperties); + + txThread.start(txTask); + while (true) { + + /* Format the time reading */ + sprintf(text,"%d",realHeartRate); + + /* Display time reading in 35px by 15px textbox at(x=55, y=40) */ + oled.TextBox((uint8_t *)text,55,15,35,15); //Increase textbox for more digits + if (realHeartRate > 45){ + calorie = (-55.1 + (0.6309*realHeartRate)+(0.1988*75)+(0.2017*25))*60/4.184 ; + sprintf(text,"%0.2f",calorie); + + /* Display time reading in 35px by 15px textbox at(x=55, y=40) */ + oled.TextBox((uint8_t *)text,55,55,35,15); //Increase textbox for more digits + } + else{ + sprintf(text,"wait HR"); + + /* Display time reading in 35px by 15px textbox at(x=55, y=40) */ + oled.TextBox((uint8_t *)text,55,55,35,15); + } + + Thread::wait(1000); + } return 0; }