Ben Katz / Mbed 2 deprecated DigitalSubCrossover

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Dependencies:   FastPWM2 mbed

Files at this revision

API Documentation at this revision

Revision 0:2d2fa105dbb0, committed 2015-12-10

Comitter:
benkatz
Date:
Thu Dec 10 08:38:16 2015 +0000
Commit message:
hi mike;

Changed in this revision

FastPWM.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FastPWM.lib	Thu Dec 10 08:38:16 2015 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/benkatz/code/FastPWM2/#f74bd3ec7a01

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 10 08:38:16 2015 +0000
@@ -0,0 +1,58 @@
+#include "mbed.h"
+#include "FastPWM.h"
+AnalogIn ref_raw(A3);
+Ticker read_adc;
+AnalogOut output(A2);
+FastPWM pwm_output(D3);
+DigitalOut testing(D2);
+
+double raw[5] = {0, 0, 0, 0, 0};
+double ref[5] = {0, 0, 0, 0, 0};
+/*
+double raw;
+double old_raw = 0;
+double old_raw_2 = 0;
+double old_raw_3 = 0;
+double old_raw_4 = 0;
+double ref;
+double old_ref = 0;
+double old_ref_2 = 0;
+double old_ref_3 = 0;
+double old_ref_4 = 0;
+*/
+double b[5] = {0.000000018682489340283,   0.000000074729957361130,   0.000000112094936041696,   0.000000074729957361130,   0.000000018682489340283};
+double a[5] = {1.000000000000000,  -3.938430361819403,   5.817179417349660,  -3.819034001378269,   0.940285244767841};
+
+//double b[5] = {0.000144120224075409, 0.000576480896301634, 0.000864721344452452, 0.000576480896301634, 0.000144120224075409};
+//double a[5] = {1.000000000000000, -3.384972728303897, 4.337061817421342, -2.489138293812547, 0.539355128280308};
+
+void read_ref(void){
+    //ref = 3.3*(analog_value.read()-.5);
+    //output.write(ref_raw.read());
+    raw[0] = .85*(ref_raw.read()-.5)+.5;
+//    ref = raw;
+   
+    ref[0] = b[0]*raw[0]+b[1]*raw[1]+b[2]*raw[2]+b[3]*raw[3]+b[4]*raw[4]-a[1]*ref[1]-a[2]*ref[2]-a[3]*ref[3]-a[4]*ref[4];
+    
+    for (int i=4; i > 0; i--){
+        raw[i] = raw[i-1];
+        ref[i] = ref[i-1];
+        }
+
+    output.write(ref[0]);
+    pwm_output.write(ref[0]+.03);
+    //testing=!testing;
+    }
+    
+int main() {
+    testing=0;
+    pwm_output.period(.000025);
+    read_adc.attach(&read_ref, .000025);
+    testing = 0;
+    while(1) {
+        //ref_raw.read();
+        //pwm_output.write(.5);
+        //ref_raw.read();
+        //testing = !testing;
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Dec 10 08:38:16 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11
\ No newline at end of file