Revision 11:79e90b5d04c9, committed 2018-10-24

Comitter:

malcolmlear

Date:

Wed Oct 24 11:05:33 2018 +0000

Parent:

10:6924c58f3a91

Commit message:

Example

Changed in this revision

diff -r 6924c58f3a91 -r 79e90b5d04c9 main.cpp
--- a/main.cpp	Wed Feb 22 14:53:00 2017 +0000
+++ b/main.cpp	Wed Oct 24 11:05:33 2018 +0000
@@ -3,9 +3,11 @@
 
 SPI spi(p5, p6, p7);      // DAC mosi, miso, sclk
 DigitalOut cs(p8);        // active low DAC enable
-DigitalOut outen(p21);    // active low pulse output enable
-DigitalOut outxpol(p23);  // pulse output x polarity
-DigitalOut outypol(p22);  // pulse output y polarity
+DigitalOut outen(p21);    // active high pulse output enable
+DigitalOut outxpol1(p23); // pulse output x1 polarity
+DigitalOut outxpol2(p22); // pulse output x2 polarity
+DigitalOut outypol1(p25); // pulse output y1 polarity
+DigitalOut outypol2(p24); // pulse output y2 polarity
 USBSerial serial;         // USB serial communication
 
 int v = 0;                // voltage 0 to 1023 = 0 to 102.3 V
@@ -28,9 +30,11 @@
 }
 
 int main() {
-    outen = 1;            // output off
-    outxpol = 0;
-    outypol = 0;
+    outen = 0;            // output off
+    outxpol1 = 0;
+    outxpol2 = 0;
+    outypol1 = 0;
+    outypol2 = 0;
     cs = 1;               // spi not selected
     spi.format(16,2);
     spi.frequency(1000000);
@@ -40,31 +44,39 @@
         e = 1;            // set error
         serial.scanf("%s", CmdIn);
         if (strcmp(CmdIn, CmdP0) == 0) {
-            outxpol = 1;
-            outypol = 1;
+            outxpol1 = 1;
+            outxpol2 = 0;
+            outypol1 = 1;
+            outypol2 = 0;
             e = 0;
         }
         if (strcmp(CmdIn, CmdP1) == 0) {
-            outxpol = 1;
-            outypol = 0;
+            outxpol1 = 1;
+            outxpol2 = 0;
+            outypol1 = 0;
+            outypol2 = 1;
             e = 0;
         }
         if (strcmp(CmdIn, CmdP2) == 0) {
-            outxpol = 0;
-            outypol = 0;
+            outxpol1 = 0;
+            outxpol2 = 1;
+            outypol1 = 0;
+            outypol2 = 1;
             e = 0;
         }
         if (strcmp(CmdIn, CmdP3) == 0) {
-            outxpol = 0;
-            outypol = 1;
+            outxpol1 = 0;
+            outxpol2 = 1;
+            outypol1 = 1;
+            outypol2 = 0;
             e = 0;
         }
         if (strcmp(CmdIn, CmdO0) == 0) {
-            outen = 1;
+            outen = 0;
             e = 0;
         }
         if (strcmp(CmdIn, CmdO1) == 0) {
-            outen = 0;
+            outen = 1;
             e = 0;
         }
         if (strncmp(CmdIn, CmdVn, 2) == 0) {