Diff: trms/trms.h

Revision:

2:f82c6978c589

diff -r 868ff3346841 -r f82c6978c589 trms/trms.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trms/trms.h	Fri Jan 08 08:09:34 2016 +0000
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2014 LAAS-CNRS
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef TRMS_H
+#define TRMS_H
+
+#include "mbed.h"
+#include "AnalogIn_Diff.h"
+#include "math.h"
+#include "MovingAverage.h"
+
+
+#define FREQ 50//en HZ
+#define TSAMPLE 125 //en µS
+#define R1 1.0E6
+#define R2 510.0
+#define ADCVREF 3.3
+#define GAIN_ACPL_C78 0.125
+#define GAIN ((double)((R1+R2)*2.0*GAIN_ACPL_C78*ADCVREF/R2)/65535.0)
+#define UAC_NON 230.0
+#define UAC_MON_i32 ((int32_t)((double)UAC_NON/(double)GAIN))
+#define UAC_MAX ((int32_t)((double)UAC_NON*1.1/(double)GAIN))
+#define UAC_MIN ((int32_t)((double)UAC_NON*0.9/(double)GAIN))
+#define UAC_NON2 ((int32_t)((double)UAC_NON/(double)GAIN*(double)UAC_NON/(double)GAIN))
+#define UAC_MAX2 ((int32_t)((double)UAC_MAX*(double)UAC_MAX))
+#define UAC_MIN2 ((int32_t)((double)UAC_MIN*(double)UAC_MIN))
+#define UAC_MAX2STOP ((int32_t)((double)UAC_MAX*(double)UAC_MAX)*0.95)
+#define UAC_MIN2STOP ((int32_t)((double)UAC_MIN*(double)UAC_MIN)*1.05)
+#define NSAMPLE ((int32_t)(1/(double)FREQ *1.0E6/(double)TSAMPLE))
+//#define max(a,b) ((a)>=(b)?(a):(b))
+//#define min(a,b) ((a)<=(b)?(a):(b))
+
+#define MAX(a,b) ({ typeof(a) aa = (a); typeof(b) bb = (b); aa>=bb? aa: bb; })
+#define MIN(a,b) ({ typeof(a) aa = (a); typeof(b) bb = (b); aa<=bb? aa: bb; })
+
+#define VERSION_TRMS "2014_12_10"
+
+
+class trms : public AnalogIn_Diff
+{
+
+public:
+    /**
+    * Constructor
+    *
+    * @param a2d_number_chan is ADC_DIFF(#adc, #ch)
+    * @return true if successful
+    */
+
+    trms(int adc_Diff_number_chan) ;
+
+    /**
+    *  destructor
+    */
+    ~trms();
+
+    void start();
+    float read_rms();
+    float get_gain();
+    void set_gain(float gain);
+    float get_offset();
+    void set_offset(float offset);
+    bool flag(float *rms, uint32_t *time);
+    
+private:
+   volatile bool _flag_trms;
+    volatile bool _flag_max;
+    volatile bool _flag_min;
+   
+    volatile int32_t _min;
+    volatile int32_t _max;
+    volatile float gain;
+    volatile float offset;
+    volatile bool F_timer_min;
+    volatile bool F_timer_max;
+    volatile uint32_t _time_min;
+    volatile uint32_t _time_max;
+ 
+    Timer timer_min;
+    Timer timer_max;
+    void flipadc_Diff();
+    MovingAverage <uint32_t>vtrms;
+    Ticker flipperadc_Diff;
+    
+
+};
+
+#endif //TRMS_H