Diff: main.cpp

Revision:

0:3dc6864754ca

Child:

1:c8909fa1a876

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 24 16:09:11 2016 +0000
@@ -0,0 +1,165 @@
+/**
+ *   @file     main.cpp
+ *   @brief    Main file for the CN0398-example project
+ *   @author   Analog Devices Inc.
+ *
+ * For support please go to:
+ * Github: https://github.com/analogdevicesinc/mbed-adi
+ * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers
+ * Product: www.analog.com/EVAL-CN0398-ARDZ
+ * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
+
+ ********************************************************************************
+ * Copyright 2016(c) Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  - Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *  - The use of this software may or may not infringe the patent rights
+ *    of one or more patent holders.  This license does not release you
+ *    from the requirement that you obtain separate licenses from these
+ *    patent holders to use this software.
+ *  - Use of the software either in source or binary form, must be run
+ *    on or directly connected to an Analog Devices Inc. component.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ********************************************************************************/
+#include "mbed.h"
+#include "CN0398.h"
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+/**
+ * @brief: Prints calibration solutions
+ */
+void print_calibration_solutions()
+{
+    pc.printf("0. ACETATE\n1. BORATE\n2. CAOH2\n3. CARBONATE\n4. CITRATE\n5. HCL\n6. OXALATE\n7. PHOSPHATE0\n8. PHOSPHATE1\n9. PHOSPHATE2\nA. PHTHALATE\nB. TARTRATE\nC. TRIS\nD. pH4\nE. pH 10");
+}
+
+/**
+ * @brief: flushes the serial interface.
+ */
+void flush_serial()
+{
+    wait_ms(10); // wait for all data to come through
+    while (pc.readable())  pc.getc();
+}
+
+int main()
+{
+    pc.baud(115200);
+    CN0398 cn0398(D10, D4);
+    cn0398.reset();
+    cn0398.setup();
+    cn0398.init();
+    wait_ms(500);
+    pc.printf("Done\r\n");
+
+    pc.printf("Do you want to perform calibration [y/N] ? ");
+    char response = pc.getc();
+    flush_serial();
+    if(response == 'y' || response == 'Y') {
+        pc.printf("Do you want to calibrate offset voltage [y/N] ? ");
+        response = pc.getc();
+        flush_serial();
+        if(response == 'y' || response == 'Y') {
+            pc.printf("Calibration step 0. Short the pH probe and press any key to calibrate.\r\n");
+            pc.getc();
+            flush_serial();
+            cn0398.calibrate_ph_offset();
+        }
+        print_calibration_solutions();
+
+        bool response_ok = false;
+        while(response_ok == false) {
+            pc.printf("\nInput calibration solution used for first step [1-9][a-e] \n");
+            char response = pc.getc();
+            flush_serial();
+            if(response >= '0' && response <= '9')  {
+                response_ok = true;
+                cn0398.solution0 = response - '0';
+            } else if(response >= 'A' && response <= 'E') {
+                response_ok = true;
+                cn0398.solution0 = response - 'A' + 10;
+            } else if(response >= 'a' && response <= 'e') {
+                response_ok = true;
+                cn0398.solution0 = response - 'a' + 10;
+            } else {
+                response_ok = false;
+            }
+        }
+        pc.printf("%s solution selected. pH of the solution @ 25 degrees = %f \n", solutions[cn0398.solution0], ph_temp_lut[cn0398.solution0][11]);
+        float temperature = cn0398.read_rtd();
+        pc.printf("Calibration step 1. Place pH probe in first calibration solution and press any key to start calibration.\r\n");
+        pc.getc();
+        flush_serial();
+        cn0398.calibrate_ph_pt0(temperature);
+
+        response_ok = false;
+        while(response_ok == false) {
+            pc.printf("Input calibration solution used for second step [1-9][a-e] \n");
+            char response = pc.getc();
+            flush_serial();
+            if(response >= '0' && response <= '9')  {
+                response_ok = true;
+                cn0398.solution1 = response - '0';
+            } else if(response >= 'A' && response <= 'E') {
+                response_ok = true;
+                cn0398.solution1 = response - 'A' + 10;
+            } else if(response >= 'a' && response <= 'e') {
+                response_ok = true;
+                cn0398.solution1 = response - 'a' + 10;
+            } else {
+                response_ok = false;
+            }
+        }
+        pc.printf("%s solution selected. pH of the solution @ 25 degrees = %f \n", solutions[cn0398.solution1], ph_temp_lut[cn0398.solution1][11]);
+        pc.printf("Calibration step 2. Place pH probe in second calibration solution and press any key to start calibration.\r\n");
+        pc.getc();
+        flush_serial();
+        cn0398.calibrate_ph_pt1(temperature);
+
+    } else {
+        cn0398.use_nernst = true;
+        pc.printf("Do you want to load default calibration. If not, the Nernst equation will be used [y/N] ? ");
+        char response = pc.getc();
+        flush_serial();
+        if(response == 'y' || response == 'Y') {
+            cn0398.use_nernst = false;
+        }
+    }
+
+
+    while(1) {
+        float temperature = cn0398.read_rtd();
+        pc.printf("Temperature: %f\r\n", temperature);
+        pc.printf("pH: %f\r\n", cn0398.read_ph(temperature));
+#ifdef MOISTURE_SENSOR_PRESENT
+        pc.printf("Moisture: %f\r\n", cn0398.read_moist());
+#endif
+        pc.printf("\r\n");
+        wait_ms(1000);
+    }
+    return 0;
+}