Diff: main.cpp

Revision:

7:13ae8d34cc97

Parent:

6:64a3bea8be86

Child:

8:3af851c7bb8d

diff -r 64a3bea8be86 -r 13ae8d34cc97 main.cpp
--- a/main.cpp	Wed Nov 30 21:32:58 2016 +0000
+++ b/main.cpp	Wed Jan 04 15:12:43 2017 +0000
@@ -1,48 +1,83 @@
 #include "mbed.h"
 //********************************************************
 //**  Nucleo-144 Stm32F746 and Stm32F767 bitbanging ******
-//**  Jovan Ivkovic - 2016                          ******
+//**        Port setting and pattern generation     ******
+//**        Speed - Benchmark                       ******
+//**          Jovan Ivković - 2016.                 ******
+//**         JovanEps (jovan.eps@gmail.com).        ******
 //********************************************************
+
 DigitalOut myled(LED1);
 DigitalOut PD7(PF_13);
-DigitalOut PD5(PE_11); //introduce D5 pin-out
+DigitalOut PD5(PE_11); //introduce D5 pin-out it ping faster :)
 DigitalOut PD13(PA_5); //introduce D13 pin-out
 Serial pc(USBTX, USBRX);
+Timer timer;
 
-void pingg(){
-        while(1) {
+void Pinging()
+{
+    int vreme = 0;
+    while(1) {
+        // Pattern and port setting speed benchmark
+        timer.start();
+        vreme = timer.read_us();
+        for(int ii=0, ii<99, ii+) {
+            PD5 = 1; // D5 go low 1 go LOW in next 74..75ns
+            PD5 = 1; // D5 go low 2
+            PD5 = 1; // D5 go low 3
+            PD5 = 0; // D5 go inv-high on SN74vhc14 - >1.6..2.4V < 1.75ns
+            PD5 = 1; // D5 go low 5
+            PD5 = 1; // D5 go low 6
+            PD5 = 1; // D5 go low 7
+            PD5 = 1; // D5 go low 8
+            PD5 = 1; // D5 go low 9
+            PD5 = 1; // D5 go low 10
+        }
+        vreme = timer.read_us() - vreme;
+        wait_us(0.2);
+        pc.printf("Circle time... %4.4f \n", ( float ) vreme / 1000 ); //1k sets of PD5
+        pc.printf("\n\n");
+        timer.stop();
+
+        /*  // Alternative
+                while(1) {
         PD5 = 0; // D5 go low 1
         PD5 = 0; // D5 go low 2
         PD5 = 0; // D5 go low 3
-        PD5 = 1; // D5 go inv-high on 74vhc14 - 1v
+        PD5 = 1; // D5 go inv-low on 74vhc14 - <0.6v..0.9V < 1.6ns
         PD5 = 0; // D5 go low 5
         PD5 = 0; // D5 go low 6
         PD5 = 0; // D5 go low 7
         PD5 = 0; // D5 go low 8
         PD5 = 0; // D5 go low 9
         PD5 = 0; // D5 go low 10
-        pc.printf("One Run\n");
-        }
+        wait_us(0.3);
+        */
+        //pc.printf("\n");
     }
-    
-int main() {
+}
+
+int main()
+{
     myled = 1; // LED is ON - working
     pc.baud(115200);
-    //pc.baud(921600);
-    pc.printf("Starting\n");
-        wait(0.2); // 200 ms
+    //pc.baud(921600);      // Max garanted UART/seriall speed
+    pc.printf("Starting...\n");
+    wait(0.2); // 200 ms
+
+    //NVIC_DisableIRQ(XXX); // Disable NVIC interrupt;
+    Pinging();         //Call of Pinging methode  
     
-    //NVIC_DisableIRQ(XXX); // Disable NVIC interrupt;
     /*
     while(1) {
-      //  PD7 = 1; // D7 go high in 75ns
-        //PD13 = 1; // D13 go high has delay of 
+      //  PD7 = 1; // D7 go high in ~75ns
+        //PD13 = 1; // D13 go high has delay of
       //  myled = 1;
-       
+
         PD5 = 0; // D5 go high
         //wait(0); // 1ns - exclude, we need as fast as we can get
       //  PD7 = 0; // D7 go low in next 74ns
-        //PD13 = 0; // D13 go high 
+        //PD13 = 0; // D13 go high
       //  PD7 = 1;
         //PD13 = 1; // D13 go high
         PD5 = 0;
@@ -63,7 +98,7 @@
         PD5 = 1; // D5 go inv-high on 74vhc14 - 4v
         PD5 = 0; // D5 go low 4v
         //wait(0);// 1nsec - exclude, we need as fast as we can get
-            
-        }  */ 
-     pingg();
+
+        }
+    */
 }