Lots of changes, bug in read_person...

beerbox.config

@@ -1,19 +1,16 @@
+personCount: 003
+
 drink number 1: Beer
 price: 250
-quantity: 100
 
 drink number 2: Fanta
 price: 120
-quantity: 49
 
 drink number 3: Schartnerbombe
 price: 184
-quantity: 87
 
 drink number 4: Cola
 price: 130
-quantity: 13
 
 drink number 5: Apfelspritzer
 price: 100
-quantity: 120

beerbox.h

@@ -7,8 +7,8 @@
 #define NUM_OF_PEOPLE 25
 #define NUM_OF_DRINKS 10
 #define DRINK_NAME_MAX_LENGTH 13
-#define FILE_NAME_LEN 4
+#define FILE_NAME_LEN 8
-#define FILE_EXTENSION_LEN 4
+#define FILE_EXTENSION_LEN 3
 #define FILE_EXTENSION "per"
 #define NAME_LEN 10
 
@@ -19,34 +19,25 @@ extern int __drinks_put_in;
 extern char tmp_filename[];
 
 typedef struct{
-
   /*Drink spevifier*/
   char name[DRINK_NAME_MAX_LENGTH + 1];
   /*Value in cents*/
   int price;
-  /*available quantity*/
-  int quantity;
-
 }Drink;
 
-
-
-
 typedef struct{
-
   Drink drinks[NUM_OF_DRINKS];
-
+  int personCount;
 }Beerbox;
 
 typedef struct{
-
   char file_name[FILE_NAME_LEN + 1];
+  
   char name[NAME_LEN + 1];
   char rfid_uuid[13];
   uint8_t finger_uuid;
 
   int drinks_taken[NUM_OF_DRINKS];
-
 }Person;
 
 
@@ -55,7 +46,8 @@ Beerbox* read_beerbox(Beerbox *box);
 Beerbox* add_drink(Beerbox *box);
 Person read_person(Beerbox *box, char *filename);
 void print_person(Beerbox *box, Person *aperson);
+int update_pers_file(Beerbox *box, Person *aperson);
+
 char* read_line_from_file(FILE *stream, char *str, int max_len);
 char* read_from_file_until(FILE *stream, char *str, int max_len, char until);
-int update_pers_file(Beerbox *box, Person *aperson);
 #endif

beerbox.ino

@@ -42,7 +42,7 @@ void setup() {
 
   //LCD init
   lcd.init();
-  pinMode(2,INPUT_PULLUP);
+  pinMode(2, INPUT_PULLUP);
 
   //Fingerprint init
   finger.begin(57600);
@@ -70,11 +70,13 @@ void setup() {
   }
   Serial.println("initialization done.");
 
-  check_for_file("p001", "per");
+  //check_for_file("p001", "per");
+  readAllPersons();
 
   box = new Beerbox;
   box = read_beerbox(box);
 
+
   lcd.print("BOXready");
   lcd.setCursor(0, 1);
 
@@ -97,30 +99,25 @@ void loop() {
 
 void checkButton() {
   //one change per click to make seleting drinks easier for the drunken
-
   //if (digitalRead(2) != lastButtonState) {
-    //delayMicroseconds(50); //debounce delay
+  //delayMicroseconds(50); //debounce delay
+  if (digitalRead(2) != lastButtonState) {
+    //ok we have a change!
+    if (digitalRead(2) == LOW) {
+      //pushed
+      if (currentDrink == drinksMax - 1) currentDrink = -1;
+      currentDrink++;
+      Serial.println(box->drinks[currentDrink].name);
+      lcd.clear();
+      lcd.print("Drink:");
+      lcd.setCursor(0, 1);
+      lcd.print(box->drinks[currentDrink].name);
 
-    if (digitalRead(2) != lastButtonState) {
-      //ok we have a change!
-      if (digitalRead(2) == LOW) {
-        //pushed
-        if(currentDrink == drinksMax-1) currentDrink = -1;
-        currentDrink++;
-        Serial.println(box->drinks[currentDrink].name);
-        lcd.clear();
-        lcd.print("Drink:");
-        lcd.setCursor(0, 1);
-        lcd.print(box->drinks[currentDrink].name);
-        
-      }
-      else {
-        //released
-
-      }
-
-      lastButtonState = digitalRead(2);
     }
+    else {//released
+    }
+    lastButtonState = digitalRead(2);
+  }
   //}
 }
 
@@ -142,13 +139,12 @@ bool checkFinger() {
 
   //TODO @ALEX Do something with finger ID
   // finger.fingerID
-  
+
-  int getFingerIndex(Person* persons, finger.fingerID)
+  //int getFingerIndex(Person* persons, finger.fingerID)
-    
+
 }
 
 void checkRFID() {
-
   Serial1.flush();
   if (Serial1.available() >=  gesamtKennungLaenge) // wenn genug Zeichen eingegangen ...
   {
@@ -227,7 +223,17 @@ Beerbox* read_beerbox(Beerbox *box) {
     while (1);
 
   }
+  // get personcount Basically not needed...
+//  char tmpStr[19];
+//  read_line_from_file(read, tmpStr, sizeof(tmpStr));
+//  if (strlen(tmpStr)) {
+//    sscanf(tmpStr, "personCount: %d", &box->personCount);
+//  }
+//
+//  sprintf(leckmich, "%i persons known!\n", box->personCount );
+//  Serial.print(leckmich);
 
+  //get drinks
   for (i = 0 ; i < NUM_OF_DRINKS ; i++) {
 
     read_line_from_file(read, tmp, sizeof(tmp));
@@ -238,29 +244,26 @@ Beerbox* read_beerbox(Beerbox *box) {
       read_line_from_file(read, tmp, sizeof(tmp));
       sscanf(tmp, " %*s %d ", &box->drinks[i].price);
 
-      read_line_from_file(read, tmp, sizeof(tmp));
-      sscanf(tmp, " %*s %d", &box->drinks[i].quantity);
     } else {
       strcpy(box->drinks[i].name, "slot empty");
       box->drinks[i].price = -1;
-      box->drinks[i].quantity = -1;
     }
 
   }
-
+  Serial.print(i);
-  Serial.print(i + " drinks read!\n\n");
+  Serial.println(" drinks read!\n");
 
   for (i = 0; (i < NUM_OF_DRINKS) && (box->drinks[i].price != -1); i++) {
 
 
-    sprintf(leckmich, "drink number %i: %s\nprice: %d\nquantity: %d\n\n", i ,box->drinks[i].name, box->drinks[i].price, box->drinks[i].quantity);
+    sprintf(leckmich, "drink number %i: %s\nprice: %d\n", i , box->drinks[i].name, box->drinks[i].price);
-    Serial.print(leckmich);
+    Serial.println(leckmich);
   }
 
   if (i < NUM_OF_DRINKS) {
     sprintf(leckmich, "Slots %d - %d are not in use!\n", i + 1, NUM_OF_DRINKS);
     drinksMax = i;
-    Serial.print(leckmich);
+    Serial.println(leckmich);
   }
 
   read.close();
@@ -282,15 +285,12 @@ Person read_person(Beerbox *box, char *filename) {
   char tmp_drink_name[DRINK_NAME_MAX_LENGTH + 1];
 
   int i = 0;
-  int j = 0;
 
-  memset(tmp_filename, 0, FILE_NAME_LEN + FILE_EXTENSION_LEN + 2);
 
-  strcat(tmp_filename, filename);
+  //giving the full filename here, since it makes stuff easier
-  strcat(tmp_filename, ".");
+  Serial.print("The filename is: ");
-  strcat(tmp_filename, FILE_EXTENSION);
+  Serial.println(filename);
-
+  read = SD.open(filename, FILE_READ);
-  read = SD.open(tmp_filename, FILE_READ);
   if (read == false) {
 
     Serial.print("error while reading!\n");
@@ -301,7 +301,7 @@ Person read_person(Beerbox *box, char *filename) {
 
   strcpy(aperson.file_name, filename);
 
-  for (i = 0; i < NUM_OF_DRINKS; i++) {
+  for (int i = 0; i < NUM_OF_DRINKS; i++) {
     aperson.drinks_taken[i] = -1;
   }
 
@@ -309,28 +309,28 @@ Person read_person(Beerbox *box, char *filename) {
   read_line_from_file(read, tmp, sizeof(tmp));
   strcpy(aperson.name, tmp);
 
+  Serial.println("before memset");
   memset(aperson.rfid_uuid, 0, 13);
-
   read_line_from_file(read, tmp, sizeof(tmp));
   sscanf(tmp, " %*s %12s", aperson.rfid_uuid);
-  Serial.print(aperson.rfid_uuid);
+  //Serial.print(aperson.rfid_uuid);
 
   read_line_from_file(read, tmp, sizeof(tmp));
   sscanf(tmp, " %*s %d", &aperson.finger_uuid);
-  Serial.println(aperson.finger_uuid);
+  //Serial.println(aperson.finger_uuid);
 
-
-  j = 0;
   while (read_line_from_file(read, tmp, sizeof(tmp)), strlen(tmp) > 0) {
 
     i = 0;
     sscanf(tmp, " %*s %s", tmp_drink_name);
 
     for (i = 0; (i < NUM_OF_DRINKS) && (strcmp(box->drinks[i].name, tmp_drink_name)); i++) {
-      //Serial.print("It´s not drink No %d: %s\n", i+1, box->drinks[i].name );
+      Serial.print("It´s not drink No :");
+      Serial.print(i+1);
+      Serial.println(box->drinks[i].name);
 
     }
-
+    Serial.println("in");
     if (i == NUM_OF_DRINKS) {
       //Is it in?
       //Serial.print("Drink \"%s\" does not exist in box!\n", tmp_drink_name);
@@ -345,8 +345,7 @@ Person read_person(Beerbox *box, char *filename) {
 
   }
 
-
+  //print_person(box, &aperson);
-  print_person(box, &aperson);
   //comment back in once it is fixed
   //update_pers_file(box, &aperson);
 
@@ -359,16 +358,11 @@ void print_person(Beerbox *box, Person *aperson) {
 
   int i = 0;
 
-  memset(tmp_filename, 0, FILE_NAME_LEN + FILE_EXTENSION_LEN + 2);
-  strcat(tmp_filename, aperson->file_name);
-  strcat(tmp_filename, ".");
-  strcat(tmp_filename, FILE_EXTENSION);
 
-
+  sprintf(leckmich, "\nPerson is called \"%s\" and has the filename \"%s\".\n", aperson->name, aperson->file_name);
-  sprintf(leckmich, "\nPerson is called \"%s\" and has the filename \"%s\".\n", aperson->name, tmp_filename);
-  Serial.write(leckmich);
-  sprintf(leckmich, "rfid_uuid:   %s\n", aperson->rfid_uuid);
   Serial.write(leckmich);
+  //sprintf(leckmich, "rfid_uuid:   %s\n", aperson->rfid_uuid);
+  //Serial.write(leckmich);
   sprintf(leckmich, "finger_uuid: %u\n", aperson->finger_uuid);
   Serial.print(leckmich);
 
@@ -395,15 +389,10 @@ void print_person(Beerbox *box, Person *aperson) {
 int update_pers_file(Beerbox *box, Person *aperson) {
   File write;
   char *tmp = NULL;
-  //write = fopen()
+
   int i = 0;
 
-  memset(tmp_filename, 0, FILE_NAME_LEN + FILE_EXTENSION_LEN + 2);
+  write = SD.open(aperson->file_name, FILE_WRITE);
-  strcat(tmp_filename, aperson->file_name);
-  strcat(tmp_filename, ".");
-  strcat(tmp_filename, FILE_EXTENSION);
-
-  write = SD.open(tmp_filename, FILE_WRITE);
   write.seek(0);
 
   if (write == NULL) {
@@ -504,3 +493,36 @@ int getFingerIndex(Person* persons, uint8_t fingerID) {
 }
 
 
+void readAllPersons () {
+
+  File dir = SD.open("/");
+  dir.rewindDirectory();
+
+  while (true) {
+    File entry =  dir.openNextFile();
+    if (! entry) {
+      // no more files
+      break;
+    }
+
+    if (!entry.isDirectory()) {
+      int8_t len = strlen(entry.name());
+      if(strstr(strlwr(entry.name() + (len - 4)), ".per"))
+      {
+        //Yeah it is a person!
+        Serial.print("Person: ");
+        Serial.println(entry.name());
+        Person thisPerson = read_person(box, entry.name());
+        //print_person(box, &thisPerson);
+        
+        
+      }
+    }
+    entry.close();
+  }
+
+  Serial.println("Read all!");
+}
+
+
+

p001.per

@@ -0,0 +1,12 @@
+Alex
+rfid_uuid:   123456789
+finger_uuid: 987654321
+
+Drink: Beer
+Consumed: 6
+Total: 1500
+
+
+Drink: Schartnerbombe
+Consumed: 6
+Total: 1104

p002.per

@@ -0,0 +1,23 @@
+Lukas
+rfid_uuid:   123456789
+finger_uuid: 987654321
+
+Drink: Beer
+Consumed: 6
+Total: 1500
+
+
+Drink: Fanta
+Consumed: 6
+Total: 720
+
+
+Drink: Schartnerbombe
+Consumed: 6
+Total: 1104
+
+
+Drink: Cola
+Consumed: 6
+Total: 780
+