Revision 5:ff721fa88519, committed 2018-03-19

Comitter:

Mahir Ozturk

Date:

Mon Mar 19 17:22:37 2018 +0300

Parent:

4:cc427aa37aee

Child:

6:aeb5a4c194c3

Commit message:

Change __back__ MAX11301 BLE Notification data type to Voltage, Solve the issue of stoping max30003 data transfer

Change-Id: Id0a804e7ddba19fca087791f5c02086b5d775b53

Changed in this revision

--- a/main.cpp	Fri Mar 16 23:51:18 2018 +0300
+++ b/main.cpp	Mon Mar 19 17:22:37 2018 +0300
@@ -118,8 +118,8 @@
 
 #if defined(LIB_MAX113XX_PIXI)
 UUID uuidADC("00001527-1d66-11e8-b467-0ed5f89f718b");
-static uint16_t ADCInitValue = 0;
-ReadOnlyGattCharacteristic<uint16_t> gattCharADC(uuidADC, &ADCInitValue,
+static float ADCInitValue = 0;
+ReadOnlyGattCharacteristic<float> gattCharADC(uuidADC, &ADCInitValue,
 									 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
 #endif
 
@@ -844,48 +844,55 @@
 		// Read back ECG samples from the FIFO
 		thread_max30003_reader.signal_wait(MAX30003_IRQ_ASSERTED_SIGNAL_ID);
 
-        /* Read back ECG samples from the FIFO */
-		status = max30003.readRegister( MAX30003::STATUS );      // Read the STATUS register
+		while (1) {
+			/* Read back ECG samples from the FIFO */
+			status = max30003.readRegister( MAX30003::STATUS );      // Read the STATUS register
+
+			if (status & (RTOR_STATUS | EINT_STATUS) == 0) {
+				break;
+			}
 
-		// Check if R-to-R interrupt asserted
-		if ((status & RTOR_STATUS) == RTOR_STATUS) {
+			// Check if R-to-R interrupt asserted
+			if ((status & RTOR_STATUS) == RTOR_STATUS) {
+
+				daplink.printf("R-to-R Interrupt \r\n");
 
-			daplink.printf("R-to-R Interrupt \r\n");
+				// Read RtoR register
+				RtoR = max30003.readRegister( MAX30003::RTOR ) >>  RTOR_REG_OFFSET;
+
+				// Convert to BPM
+				BPM = 1.0f / ( RtoR * RTOR_LSB_RES / 60.0f );
+
+				daplink.printf("BPM: %.2f\r\n", BPM);
 
-			// Read RtoR register
-			RtoR = max30003.readRegister( MAX30003::RTOR ) >>  RTOR_REG_OFFSET;
+				if (bleNotifyTimer.read_ms() >=  (MAX30003_BLE_NOTIFY_PERIOD_SEC * 1000)) {
+					bleGattAttrWrite(gattCharBPM.getValueHandle(), (uint8_t *)&BPM, sizeof(BPM));
+					bleNotifyTimer.reset();
+				}
+			}
 
-			// Convert to BPM
-			BPM = 1.0f / ( RtoR * RTOR_LSB_RES / 60.0f );
+			// Check if EINT interrupt asserted
+			if ((status & EINT_STATUS) == EINT_STATUS) {
+				readECGSamples = 0;	// Reset sample counter
 
-			daplink.printf("BPM: %.2f\r\n", BPM);
+				do {
+					ecgFIFO = max30003.readRegister( MAX30003::ECG_FIFO );	// Read FIFO
+					ecgSample[readECGSamples] = ecgFIFO >> 8;				// Isolate voltage data
+					ETAG[readECGSamples] = ( ecgFIFO >> 3 ) & ETAG_BITS;	// Isolate ETAG
+					readECGSamples++;										// Increment sample counter
 
-			if (bleNotifyTimer.read_ms() >=  (MAX30003_BLE_NOTIFY_PERIOD_SEC * 1000)) {
-				bleGattAttrWrite(gattCharBPM.getValueHandle(), (uint8_t *)&BPM, sizeof(BPM));
-				bleNotifyTimer.reset();
+				// Check that sample is not last sample in FIFO
+				} while (ETAG[readECGSamples-1] == FIFO_VALID_SAMPLE ||
+						  ETAG[readECGSamples-1] == FIFO_FAST_SAMPLE);
+
+				// Check if FIFO has overflowed
+				if (ETAG[readECGSamples - 1] == FIFO_OVF){
+					max30003.writeRegister( MAX30003::FIFO_RST , 0); // Reset FIFO
+					rLED = 1;
+				}
 			}
 		}
 
-		// Check if EINT interrupt asserted
-		if ((status & EINT_STATUS) == EINT_STATUS) {
-			readECGSamples = 0;                        // Reset sample counter
-
-			do {
-				ecgFIFO = max30003.readRegister( MAX30003::ECG_FIFO );	// Read FIFO
-				ecgSample[readECGSamples] = ecgFIFO >> 8;				// Isolate voltage data
-				ETAG[readECGSamples] = ( ecgFIFO >> 3 ) & ETAG_BITS;	// Isolate ETAG
-				readECGSamples++;										// Increment sample counter
-
-			// Check that sample is not last sample in FIFO
-			} while (ETAG[readECGSamples-1] == FIFO_VALID_SAMPLE ||
-					  ETAG[readECGSamples-1] == FIFO_FAST_SAMPLE);
-
-			// Check if FIFO has overflowed
-			if (ETAG[readECGSamples - 1] == FIFO_OVF){
-				max30003.writeRegister( MAX30003::FIFO_RST , 0); // Reset FIFO
-				rLED = 1;
-			}
-		}
     }
 }
 
@@ -919,7 +926,7 @@
 
         daplink.printf("ADC Read is : %i,\tVoltage is %1.3f V \r\n", adcData, adcVoltage);
 
-        bleGattAttrWrite(gattCharADC.getValueHandle(), (uint8_t *)&adcData, sizeof(adcData));
+        bleGattAttrWrite(gattCharADC.getValueHandle(), (uint8_t *)&adcVoltage, sizeof(adcVoltage));
 
         Thread::wait(MAX113XX_PIXI_BLE_NOTIFY_PERIOD_SEC * 1000);
     }