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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;
}
