First commit

beerbox.c

@@ -0,0 +1,258 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "beerbox.h"
+#include <SPI.h>
+#include <SD.h>
+
+//Beware! Only valid inside the function it has been set in!
+char tmp_filename[FILE_NAME_LEN + FILE_EXTENSION_LEN + 2];
+
+
+
+Beerbox* read_beerbox(Beerbox *box){
+
+  FILE *read = NULL;
+  int num_read = 0;
+  int index;
+
+  char tmp[(DRINK_NAME_MAX_LENGTH + 1) * NUM_OF_DRINKS];
+
+  int i = 0;
+
+
+  read = SD.open("beerbox.config", FILE_READ);
+  if(read == NULL){
+
+    perror("error while reading!\n");
+    printf("ABORT!\n\n");
+    exit(-1);
+
+  }
+
+  for(i = 0 ; i < NUM_OF_DRINKS ; i++){
+
+    read_line_from_file(read, tmp, sizeof(tmp));
+
+    if(strlen(tmp)){
+      sscanf(tmp, " drink number %d: %s",&index,box->drinks[i].name);
+
+      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;
+    }
+
+  }
+
+  printf("%d drinks read!\n\n", i);
+
+  for(i = 0; (i < NUM_OF_DRINKS)&&(box->drinks[i].price != -1); i++){
+
+    printf("drink number %d: %s\nprice: %d\nquantity: %d\n\n",i+1,box->drinks[i].name,box->drinks[i].price,box->drinks[i].quantity);
+
+  }
+
+  if(i < NUM_OF_DRINKS)printf("Slots %d - %d are not in use!\n", i+1, NUM_OF_DRINKS);
+
+  fclose(read);
+  return box;
+
+}
+
+Person read_person(Beerbox *box, char *filename){
+
+  Person aperson;
+
+  FILE *read = NULL;
+
+  int num_read = 0;
+  int index;
+  int tmp_int = 0;
+
+  char tmp[(DRINK_NAME_MAX_LENGTH + 1) * NUM_OF_DRINKS];
+  char tmp_drink_name[DRINK_NAME_MAX_LENGTH + 1];
+
+  int i = 0;
+  int j = 0;
+
+  memset(tmp_filename, 0, sizeof(tmp_filename));
+
+  strcat(tmp_filename, filename);
+  strcat(tmp_filename, ".");
+  strcat(tmp_filename, FILE_EXTENSION);
+
+  read = fopen(tmp_filename, "r");
+  if(read == NULL){
+
+    perror("error while reading!\n");
+    printf("ABORT!\n\n");
+    exit(-1);
+
+  }
+
+  strcpy(aperson.file_name, filename);
+
+  for(i = 0; i < NUM_OF_DRINKS; i++){
+    aperson.drinks_taken[i] = -1;
+  }
+
+
+  read_line_from_file(read, tmp, sizeof(tmp));
+  strcpy(aperson.name, tmp);
+
+  read_line_from_file(read, tmp, sizeof(tmp));
+  sscanf(tmp, " %*s %d", &aperson.rfid_uuid);
+
+  read_line_from_file(read, tmp, sizeof(tmp));
+  sscanf(tmp, " %*s %d", &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++){
+        //printf("It´s not drink No %d: %s\n", i+1, box->drinks[i].name );
+
+      }
+
+    if(i == NUM_OF_DRINKS){
+      //Is it in?
+      //printf("Drink \"%s\" does not exist in box!\n", tmp_drink_name);
+    }else{
+
+      read_line_from_file(read, tmp, sizeof(tmp));
+      sscanf(tmp, " %*s %d", &aperson.drinks_taken[i]);
+      //printf(">>Quantity: %d\n", aperson.drinks_taken[i].quantity);
+      read_line_from_file(read, tmp, sizeof(tmp));
+      //printf(">>Total: %d\n\n", aperson.drinks_taken[i].total);
+    }
+
+  }
+
+
+  print_person(box, &aperson);
+
+  update_pers_file(box, &aperson);
+
+  fclose(read);
+
+  return aperson;
+}
+
+void print_person(Beerbox *box, Person *aperson){
+
+  int i = 0;
+
+  memset(tmp_filename, 0, sizeof(tmp_filename));
+  strcat(tmp_filename, aperson->file_name);
+  strcat(tmp_filename, ".");
+  strcat(tmp_filename, FILE_EXTENSION);
+
+  printf("\nPerson is called \"%s\" and has the filename \"%s\".\n", aperson->name, tmp_filename);
+  printf("rfid_uuid:   %d\n", aperson->rfid_uuid);
+  printf("finger_uuid: %d\n", aperson->finger_uuid);
+
+  for(i = 0; i < NUM_OF_DRINKS; i++){
+
+    if(aperson->drinks_taken[i] != -1){
+
+      printf("\nDrink: %s\n", box->drinks[i].name);
+      printf("Consumed: %d\n", aperson->drinks_taken[i]);
+      printf("Total: %d.%02d Euro\n", aperson->drinks_taken[i]*box->drinks[i].price/100, (aperson->drinks_taken[i]*box->drinks[i].price)%100);
+
+    }
+
+  }
+
+}
+
+int update_pers_file(Beerbox *box, Person *aperson){
+  FILE *write = NULL;
+  char *tmp = NULL;
+  //write = fopen()
+  int i = 0;
+
+  memset(tmp_filename, 0, sizeof(tmp_filename));
+  strcat(tmp_filename, aperson->file_name);
+  strcat(tmp_filename, ".");
+  strcat(tmp_filename, FILE_EXTENSION);
+
+  write = fopen(tmp_filename, "w");
+  if(write == NULL){
+    perror("error while reading!\n");
+    printf("ABORT!\n\n");
+    exit(-1);
+
+  }
+
+  fprintf(write, "%s\n", aperson->name);
+  fprintf(write, "rfid_uuid:   %d\n", aperson->rfid_uuid);
+  fprintf(write, "finger_uuid: %d\n", aperson->finger_uuid);
+
+  for(i = 0; i < NUM_OF_DRINKS; i++){
+
+    if(aperson->drinks_taken[i] != -1){
+
+      fprintf(write, "\nDrink: %s\n", box->drinks[i].name);
+      fprintf(write, "Consumed: %d\n", aperson->drinks_taken[i]);
+      fprintf(write, "Total: %d\n\n", aperson->drinks_taken[i]*box->drinks[i].price);
+
+    }
+
+  }
+
+
+  fclose(write);
+
+  return 0;
+
+}
+
+char* read_from_file_until(FILE *stream, char *str, int max_len, char until){
+
+  int i = 0;
+  int tmp_int = 0;
+
+  memset(str, 0, max_len);
+
+  for(i = 0; (tmp_int != until)&&(i < (max_len-1))&&(tmp_int != EOF); i++){
+    tmp_int = fgetc(stream);
+    //printf("%c", tmp_int);
+    str[i] = tmp_int;
+  }
+
+
+  if(tmp_int == EOF){
+
+    //May occur more often as the function tries to read a certain number of drinks.
+    //printf("END OF FILE REACHED!\nABORT!!\n\n");
+
+    str[0] = 0;
+    return str;
+  }
+
+  if(str[0] != '\n')str[i-1] = 0;
+
+
+  return str;
+}
+
+char *read_line_from_file(FILE *stream, char *str, int max_len){
+
+  do{
+    str = read_from_file_until(stream, str, max_len, '\n');
+  }while((str[0] == '\n'));
+
+
+  return str;
+}

beerbox.config

@@ -0,0 +1,19 @@
+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

@@ -0,0 +1,58 @@
+#ifndef BEERBOX_IS_INCLUDED
+#define BEERBOX_IS_INCLUDED
+
+#define NUM_OF_PEOPLE 25
+#define NUM_OF_DRINKS 10
+#define DRINK_NAME_MAX_LENGTH 13
+#define FILE_NAME_LEN 4
+#define FILE_EXTENSION_LEN 4
+#define FILE_EXTENSION "pers"
+#define NAME_LEN 10
+
+extern int __drinks_taken;
+extern int __drinks_put_in;
+
+//Beware! Only valid inside the function it has been set 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];
+
+}Beerbox;
+
+typedef struct{
+
+  char file_name[FILE_NAME_LEN + 1];
+  char name[NAME_LEN + 1];
+  int rfid_uuid;
+  int finger_uuid;
+
+  int drinks_taken[NUM_OF_DRINKS];
+
+}Person;
+
+
+
+Beerbox* read_beerbox(Beerbox *box);
+Beerbox* add_drink(Beerbox *box);
+Person read_person(Beerbox *box, char *filename);
+void print_person(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

@@ -0,0 +1,57 @@
+#include <SPI.h>
+#include <SD.h>
+
+File myFile;
+const int chipSelect = 53;
+
+
+
+
+void setup() {
+  Serial.begin(115200);
+  
+   Serial.begin(9600);
+   while (!Serial) {
+    ; // wait for serial port to connect. Needed for Leonardo only
+  }
+  
+  Serial.print("Initializing SD card...");
+  // On the Ethernet Shield, CS is pin 4. It's set as an output by default.
+  // Note that even if it's not used as the CS pin, the hardware SS pin 
+  // (10 on most Arduino boards, 53 on the Mega) must be left as an output 
+  // or the SD library functions will not work. 
+  pinMode(SS, OUTPUT);
+
+  if (!SD.begin(chipSelect)) {
+    Serial.println("initialization failed!");
+    return;
+  }
+  Serial.println("initialization done.");
+  
+  check_for_file("p001", "per");
+  
+  
+ 
+
+
+}
+
+
+void loop() {
+
+
+}//end loop
+
+
+void check_for_file(String filename, String extension){
+  String str = filename + '.' + extension;
+  char* buf = NULL;
+  str.toCharArray(buf, str.length() + 1);
+  
+  if (SD.exists("p001.per")) {
+    Serial.println(str + " exists.");
+  }
+  else {
+    Serial.println(str + " doesn't exist.");
+  }
+}

main.c

@@ -0,0 +1,22 @@
+//#include <stdio.h>
+//#include <stdlib.h>
+//#include "beerbox.h"
+//
+//
+//
+//
+//
+//int main()
+//{
+//
+//  Beerbox *box = calloc(1, sizeof(Beerbox));
+//
+//
+//
+//  box = read_beerbox(box);
+//  read_person(box, "p001");
+//  read_person(box, "p002");
+//  
+//
+//    return 0;
+//}

makefile

@@ -0,0 +1,35 @@
+CFLAGS=
+PNAME=prog
+CHECKPRUN=java -jar checkproject.jar
+DRCHECKPRUN=java -Dcheckmem=yes -jar checkproject.jar
+FETCH=curl -O "https://inf-swe-jenkins.technikum-wien.at/job/SYS-BMR-PAD-checkproject/lastSuccessfulBuild/artifact/deploy/{checkproject.jar,checkproject.sh,properties.txt}" --progress-bar
+FETCHMEM=curl -L -O https://bintray.com/artifact/download/bruening/DrMemory/DrMemory-MacOS-1.8.1-0.tar.gz --progress-bar
+LINE=\n-----------------------------------------------\n
+
+all: clean
+	gcc $(CFLAGS) *.c -o $(PNAME)
+
+clean:
+	rm -rf *o $(PNAME) $(PNAME).*
+
+run: all
+	clear
+	./prog
+
+debug: all
+	lldb ./$(PNAME)
+
+gdebug: all
+	lldb -s gui ./(PNAME)
+
+check: getcheck all
+	$(CHECKPRUN)
+
+drcheck: getcheck getdrmem all
+	$(DRCHECKPRUN)
+
+getcheck:
+	@test -s ./checkproject.jar || (echo "\033[31m$(LINE)checkproject seems to be missing!\nFetching NOW!\033[0m";$(FETCH);echo "\033[31mmodding properties.txt\033[0m";sed -i '' -e 's/# exec=/exec=prog/' properties.txt;sed -i '' -e 's/checkmem=no/#checkmem=yes/' properties.txt;sed -i '' -e 's/# drMemoryPath=/drMemoryPath=..\/..\/drmemory/' properties.txt;echo "\033[34mDONE$(LINE)\033[0m")
+
+getdrmem:
+	@test -d ../../drmemory || (echo "\033[31m$(LINE)DRMemory seems to be missing!\nFetching NOW!\033[0m";$(FETCHMEM);echo "\033[31m$ Extracting package\033[0m";tar -zxf DrMemory-MacOS-1.8.1-0.tar.gz ;echo "\033[34m$(LINE)Deleting image!\033[0m";echo "\033[34m$(LINE)Moving extracted Folder!\033[0m";mv DrMemory-MacOS-1.8.1-0 drmemory;mv drmemory ../../;echo "\033[34mDONE$(LINE)\033[0m")

p001.pers

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

p002.pers

@@ -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
+