Diff: main.cpp

Revision:

2:386f65563144

Parent:

1:c3c61d08f31b

--- a/main.cpp	Fri Feb 23 16:56:03 2018 +0000
+++ b/main.cpp	Fri Feb 23 20:28:44 2018 +0000
@@ -2,8 +2,7 @@
 // (C) Tapio Valli 2018-02-17
 
 #include "mbed.h"
-#include <mbed_stats.h>
-#include "mbed_mem_trace.h"
+#include "mbed_stats.h"
 
 #include "LCD_DISCO_F746NG.h"
 
@@ -20,54 +19,36 @@
 Serial pc1(USBTX, USBRX);
 LCD_DISCO_F746NG lcd1;
 
-
-// Global heap stats
-mbed_stats_heap_t heap_stats;
-//mbed_stats_stack_t stack_stats;
-//mbed_mem_trace_cb_t mem_trace_result;
-
-// Mem trace callback
-// mbed_mem_trace_cb_t mem_trace(void) 
-// {
-//     pc1.printf("Heap = %lu, Max = %lu Percentage = %lu \r\n",
-//                heap_stats.current_size,heap_stats.max_size,
-//                (100*(heap_stats.current_size/heap_stats.max_size)));
-                   
-//    pc1.printf("Stack = %lu, Max = %lu Percentage = %lu \r\n",
-//                stack_stats.reserved_size,stack_stats.max_size,
-//                (100*(stack_stats.reserved_size/stack_stats.max_size)));    
-//}
-
 int main() {
 
     char CmdBuffer[30];
     char Arg[30]=" ";
     char Cmd[30]=" ";
+    size_t n=0;
 
     uint32_t    NoOfPoints=19200;  
     uint32_t    AvgSize=10;
     uint32_t    Period_us=100;
     uint32_t    Count_ms=1000;
-        
-//    mbed_mem_trace_set_callback(mem_trace);
+    
+    mbed_stats_heap_t heap_stats;
         
     // Clear screen, set it up 
     InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE);
-    
+        
     //Initialize data storage
     Array Data;
     initArray(&Data,NoOfPoints);  // initially 19200 elements
     
-    while (Cmd!="quit") {
+    while (!((strcmp(Cmd,"quit")==0)&&(n==1))) {
         
         // Print Ready and current settings 
         pc1.printf("Ready. Settings are Points = %u, Avg = %u, Period_us = %u, Count_ms = %u \r\n",
                    NoOfPoints,AvgSize,Period_us,Count_ms);
-
-        mbed_stats_heap_get(&heap_stats);                
-        pc1.printf("Heap = %lu, Max = %lu Percentage = %lu \r\n",
-                   heap_stats.current_size,heap_stats.max_size,
-                   (100*(heap_stats.current_size/heap_stats.max_size)));
+                   
+        mbed_stats_heap_get(&heap_stats);
+        printf("Current heap: %lu\r\n", heap_stats.current_size);
+        printf("Max heap size: %lu\r\n", heap_stats.max_size);
                                                                             
         pc1.gets(CmdBuffer,30);
         // pc1.printf("I got %s \r\n", CmdBuffer);
@@ -76,60 +57,67 @@
                 
         // Parse command and possible numeric arg
         char s[] = "Initial string";
-        char ** word_array = NULL;
+        char ** word_array=NULL;
         
         strcpy(s,CmdBuffer);
-        size_t n = string_parser(s, &word_array );
+        n=string_parser(s,&word_array);
 
-        for ( size_t i = 0; i < n; i++ ) {
+        for ( size_t i=0;i<n;i++) {
             if (i==0) {strcpy(Cmd,word_array[i]);}
             if (i==1) {strcpy(Arg,word_array[i]);}
             if (i>1) {pc1.printf("Wrong number of arguments \r\n");}
         }
         
         // pc1.printf("Cmd = %s Arg = %s \r\n",Cmd,Arg);
-        for ( size_t i = 0; i < n; i++ ) free( word_array[i] );
-        free( word_array );
+        for ( size_t i=0;i<n;i++) free( word_array[i] );
+        free(word_array);
     
         // Branch based on command        
         // meas: Sample and plot a data set
-        if(strcmp(Cmd,"meas") == 0) {
+        if((strcmp(Cmd,"meas")==0)&&(n==1)) {
             
             // Countdown
             CountDown(Count_ms);
                                  
             // Sample & plot data one time
             SamplePoints(&Data,NoOfPoints,Period_us);
-            
             AvgAndPlotPoints(&Data,NoOfPoints,AvgSize);
         }
         
         // setpoints: Adjust sampled points                          
-        else if(strcmp(Cmd,"setpoints") == 0) {
+        else if((strcmp(Cmd,"setpoints")==0)&&(n==2)) {
             // Allocate more or less data space
             NoOfPoints=(uint32_t) strtol(Arg,NULL,10);
             insertArray(&Data,NoOfPoints);
         }
             
         // setavg: Adjust average amount in samples            
-        else if(strcmp(Cmd,"setavg") == 0) {
+        else if((strcmp(Cmd,"setavg")==0)&&(n==2)) {
             AvgSize=(uint32_t) strtol(Arg,NULL,10);
         }
             
         // setperiod: Adjust sample period in us
-        else if(strcmp(Cmd,"setperiod") == 0) {
+        else if((strcmp(Cmd,"setperiod")==0)&&(n==2)) {
             Period_us=(uint32_t) strtol(Arg,NULL,10);
         }
         
         // setcount: Adjust countdown period in ms
-        else if(strcmp(Cmd,"setcount") == 0) {
+        else if((strcmp(Cmd,"setcount")==0)&&(n==2)) {
             Count_ms=(uint32_t) strtol(Arg,NULL,10);
-        }        
+        }
+        
+        // quit: Exit on next while
+        else if((strcmp(Cmd,"quit")==0)&&(n==1)) {
+            // Do nothing yet
+        }
+        else {
+            pc1.printf("Wrong command or argument \r\n");
+        }
     }
     
     // Free memory after quit
     freeArray(&Data);
-    pc1.printf("Exit. Data freed. \r\n", CmdBuffer);
+    pc1.printf("Exit. Data freed. \r\n");
     
     // Infinite loop
     while(1)