Diff: prompt.cpp

Revision:

37:13f74964a045

Parent:

36:af6abc6f7590

--- a/prompt.cpp	Mon May 15 08:58:08 2017 +0000
+++ b/prompt.cpp	Mon May 15 11:38:07 2017 +0000
@@ -2,15 +2,24 @@
 #include "log.hpp"
 #include "Data.hpp"
 
+/* prompt deals with all user inputs and what functions should run in response */
 Serial serial(USBTX, USBRX);
 Mutex mutex_p;
 
+/*function for writing out a record with time struct to format time*/
+void prompt_write_entry(Data entry){
+            ;
+            time_t currenttime = entry.logtime;
+            tm* timenew = localtime(&currenttime);
+                        
+            serial.printf("%4.2fC %3.1f%% %6.1f %i %i %i \r\n", entry.tempCelsius, entry.humi, entry.pressure, timenew->tm_hour, timenew->tm_min, timenew->tm_sec);
+            
+    }
 
 void readline(char* buffer)
 {
     int i = 0;
-    while (1)
-    {
+    while (1) {
         char c = serial.getc();
         serial.putc(c);
         buffer[i] = c;
@@ -31,28 +40,72 @@
 
 
 void prompt_interpret(char* cmd)
-{   mutex_p.lock();
+{
+    mutex_p.lock();
+    int input;
     int n = log_length();
-       n = (n - 1);
-    if (strcmp(cmd, "help") == 0){
-        serial.printf("Commands:\r\n  help -\r\n READ ALL - Show all records \r\n");
+    int hours;
+    int minutes;
+    int seconds;
+    n = (n - 1);
+    if (strcmp(cmd, "help") == 0) {
+        serial.printf("Commands:\r\n  help -\r\n READ ALL - Show all records \r\n READ <n> = Show specified amount of records \r\n SETTIME <hh> <mm> <ss> = Set the time \r\n DELETE ALL = Deletes all records \r\n DELETE <n> = deletes the oldest record \r\n ");
+    } else if (strcmp(cmd, "READ ALL") == 0) {
+        serial.printf("\r\n");
+        for (int i = n - 1; i >= 1; i--) {
+            Data entry = log_get(i);
+            prompt_write_entry(entry);
         }
-    else if (strcmp(cmd, "READ ALL") == 0)
-        {serial.printf("\r\n");
-        for (int i = n - 1; i >= 1; i--){ 
-        Data entry = log_get(i);
-        serial.printf("%4.2fC %3.1f%% %6.1f %i %i %i \r\n", entry.tempCelsius, entry.humi, entry.pressure, entry.seconds, entry.minutes, entry.hours);
+    } else if (sscanf(cmd, "READ %i", &input) == 1) {
+        serial.printf("\r\n");
+        
+        int n = log_length();
+        if (input > n){
+            input = n;
+            }
+        for (int i = input - 1; i >= 1; i--) {
+            Data entry = log_get(i);
+            prompt_write_entry(entry);
+        }
+    }
+    else if (sscanf(cmd, "SETTIME %i %i %i", &hours, &minutes, &seconds) == 3){
+            serial.printf("\r\n");
+            time_t currenttime = time(0);
+            tm* timenew = localtime(&currenttime);
+            
+            timenew->tm_hour = hours;
+            timenew->tm_min = minutes;
+            timenew->tm_sec = seconds;
+            
+            set_time(mktime(timenew));
+        }  
+        else if (strcmp(cmd, "DELETE_ALL") == 0) {
+        serial.printf("\r\n");
+        for (int i = n - 1; i >= 1; i--) {
+            log_pop();
+            
         }
         }
-    else{
+        else if (sscanf(cmd, "DELETE %i", &input) == 1) {
+        serial.printf("\r\n");
+        
+        int n = log_length();
+        if (input > n){
+            input = n;
+            }
+        for (int i = input - 1; i >= 1; i--) {
+            log_pop();
+             }
+    }
+    
+    else {
         serial.printf("Unknown command!\r\n");
-        }
-        mutex_p.unlock();
+    }
+    mutex_p.unlock();
 }
 void prompt_run()
-{
-    while (1)
     {
+    while (1) {
         char buffer[64];
         readline(buffer);