Diff: main.cpp

Revision:

0:18d735a66926

Child:

1:90f70c146a26

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Feb 05 20:22:14 2018 +0000
@@ -0,0 +1,59 @@
+/**
+ *  @file       main.cpp
+ *  @brief      Measuring plethysmogram and pulse rate with BH1792GLC
+ *  @date       2018.02.03
+ *  @version    1.0.0
+ */
+#include "mbed.h"
+#include "USBSerial.h"
+#include "PulseRate.h"
+
+#define PACKET_HEADER (0xAA)
+#define PULSE_RATE_ID (0xBB)
+#define BYTE_MASK (0xFF)
+
+USBSerial serial;
+#ifdef _OP_MODE_INT_AD
+PulseRate pr(p20, LED1, p26);           /* Sensor, LED, Beep */
+#elif defined _OP_MODE_BH1792GLC
+PulseRate pr(p28, p27, p20, LED1, p26); /* SDA, SCL, INT, LED, Beep */
+#endif
+
+/** Send data packet
+ *  @param      second_val  Byte data at packet address 0x01
+ *  @param      data_val    Short data at packet address 0x02, 0x03
+ */
+bool send_packet(int second_val, int data_val)
+{
+    if(serial.writeable()) {
+        serial.putc(PACKET_HEADER);
+        serial.putc(second_val & BYTE_MASK);
+        serial.putc((data_val >> 8 ) & BYTE_MASK);
+        serial.putc(data_val & BYTE_MASK);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+/** Main function
+ */
+int main()
+{
+    uint32_t num;
+    int32_t wave;
+    uint32_t rate;
+
+    pr.start_sampling();    /* start procedure */
+
+    while(1) {
+        /* Pulse waveform */
+        if(pr.get_wave(num, wave)) {
+            send_packet(num, wave);
+        }
+        /* Pulse rate */
+        if(pr.get_pr_val(rate)) {
+            send_packet(PULSE_RATE_ID, rate);
+        }
+    }
+}