Revision 18:5585365d6951, committed 2017-12-12

Comitter:

DuyLionTran

Date:

Tue Dec 12 17:54:04 2017 +0000

Parent:

17:b89d884eb609

Child:

19:fbc21a964938

Commit message:

version 1.6: Project is re-organized, RTC is added, Sensor Calibration and Flash is being developed

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Sensor/ReadSensor.cpp	Tue Dec 12 17:54:04 2017 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+#include "ReadSensor.h"
+
+const float saturationValueTab[41] = {      //saturation dissolved oxygen concentrations at various temperatures
+14.46, 14.22, 13.82, 13.44, 13.09,
+12.74, 12.42, 12.11, 11.81, 11.53,
+11.26, 11.01, 10.77, 10.53, 10.30,
+10.08, 9.86,  9.66,  9.46,  9.27,
+9.08,  8.90,  8.73,  8.57,  8.41,
+8.25,  8.11,  7.96,  7.82,  7.69,
+7.56,  7.43,  7.30,  7.18,  7.07,
+6.95,  6.84,  6.73,  6.63,  6.53,
+6.41,
+};
+
+float saturationDoVoltage; 
+float saturationDoTemperature;
+float averageVoltage;
+
+AnalogIn    phSensor(SENSOR_1_PIN);
+AnalogIn    DOSensor(SENSOR_2_PIN);
+
+void SENSOR_PHCalib() {
+    
+}
+
+float SENSOR_ReadPHADC() {
+    return phSensor.read();
+}
+
+float SENSOR_GetPHValue() {
+    
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Sensor/ReadSensor.h	Tue Dec 12 17:54:04 2017 +0000
@@ -0,0 +1,30 @@
+#ifndef __READSENSOR_H__
+#define __READSENSOR_H__
+
+#define SENSOR_1_PIN  (A0)
+#define SENSOR_2_PIN  (A1)
+#define SENSOR_3_PIN  (A3)
+#define SENSOR_4_PIN  (A4)
+
+#define SaturationDoVoltageAddress     12          //the address of the Saturation Oxygen voltage stored in the Flash
+#define SaturationDoTemperatureAddress 16      //the address of the Saturation Oxygen temperature stored in the Flash
+
+#define VREF           3.3 
+#define SCOUNT         30 
+
+/** brief   Perform calibration for pH sensor
+ *  retral  None 
+ */
+void SENSOR_PHCalib();
+
+/** brief   Read the analog value of pH sensor
+ *  retral  pH ADC value 
+ */
+float SENSOR_ReadPHADC();
+
+/** brief   Convert the ADC value read from pH sensor into pH value
+ *  retral  pH value 
+ */
+float SENSOR_GetPHValue();
+
+#endif /* __READSENSOR_H__ */
\ No newline at end of file