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beerbox
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Fixed Wrong files getting detected as persons 

Added HardwareSerial* as parameter to print person
Fixed bug in check for file

Added RFID and Finger revoke mechanisms
Added user scan
Added set user credits
Enabled creditsystem
This commit is contained in:
Lukas Bachschwell 2016-07-08 12:51:21 +02:00
parent df94ff0654
commit 1bb6704d6e
4 changed files with 271 additions and 131 deletions
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5
beerbox.h
View File

@ -1,4 +1,3 @@
#define NUM_OF_PEOPLE 25 // This is (thank myself) not used
#define NUM_OF_DRINKS 10 #define NUM_OF_DRINKS 10
#define DRINK_NAME_MAX_LENGTH 13 #define DRINK_NAME_MAX_LENGTH 13
#define FILE_NAME_LEN 8 #define FILE_NAME_LEN 8
@ -31,8 +30,10 @@ typedef struct{
typedef struct{ typedef struct{
Drink drinks[NUM_OF_DRINKS]; Drink drinks[NUM_OF_DRINKS];
int waiting; int waiting;
int scanning=0;
int maxDrink=0; int maxDrink=0;
int maxID=0; int maxID=0;
int personCount=0;
}Beerbox; }Beerbox;
//this shall always just exist in a short term! //this shall always just exist in a short term!
@ -42,7 +43,7 @@ typedef struct{
char name[NAME_LEN + 1]; char name[NAME_LEN + 1];
char rfid_uuid[13]; char rfid_uuid[13];
uint8_t finger_uuid; uint8_t finger_uuid;
uint8_t credits_left; int credits_left;
}Person; }Person;

53
beerbox.ino
View File

@ -12,7 +12,7 @@ Adafruit_Fingerprint finger = Adafruit_Fingerprint(&Serial2);
LiquidCrystal_I2C lcd(0x38, 8, 2); // 0x38 for PCF***A on address 000 LiquidCrystal_I2C lcd(0x38, 8, 2); // 0x38 for PCF***A on address 000
#define debug 0 //General debug out on/off #define debug 1 //General debug out on/off
File myFile; File myFile;
const int chipSelect = 53; const int chipSelect = 53;
@ -27,7 +27,6 @@ int currentDrink = 0;
int lastPersonIndex = -1; int lastPersonIndex = -1;
Person* persons; Person* persons;
int personCount;
String rfID; String rfID;
unsigned long oldTime = 0; unsigned long oldTime = 0;
@ -115,7 +114,7 @@ void check_for_file(String filename, String extension) {
char* buf = NULL; char* buf = NULL;
str.toCharArray(buf, str.length() + 1); str.toCharArray(buf, str.length() + 1);
if (SD.exists("p001.per")) { if (SD.exists(str)) {
if(debug)Serial.println(str + " exists."); if(debug)Serial.println(str + " exists.");
} }
else { else {
@ -182,6 +181,14 @@ Beerbox* read_beerbox(Beerbox *box) {
} }
bool personExists(char *filename){
if((strcmp(strlwr(filename + (strlen(filename) - 4)), ".per")==0)&&(filename[0]=='P')){
//valid person name
if(SD.exists(filename))return true;
}
return false;
}
Person read_person(Beerbox *box, char *filename) { Person read_person(Beerbox *box, char *filename) {
Person aperson; Person aperson;
@ -217,7 +224,7 @@ Person read_person(Beerbox *box, char *filename) {
memset(aperson.rfid_uuid, 0, 13); memset(aperson.rfid_uuid, 0, 13);
read_line_from_file(read, tmp, sizeof(tmp)); read_line_from_file(read, tmp, sizeof(tmp));
sscanf(tmp, "rfid_uuid: %12s", &aperson.rfid_uuid); sscanf(tmp, "rfid_uuid: %12s", &aperson.rfid_uuid);
if(debug)Serial.println(aperson.rfid_uuid); //if(debug)Serial.println(aperson.rfid_uuid);
read_line_from_file(read, tmp, sizeof(tmp)); read_line_from_file(read, tmp, sizeof(tmp));
sscanf(tmp, "finger_uuid: %d", &aperson.finger_uuid); sscanf(tmp, "finger_uuid: %d", &aperson.finger_uuid);
//if(debug)Serial.println(aperson.finger_uuid); //if(debug)Serial.println(aperson.finger_uuid);
@ -240,35 +247,33 @@ Person read_person(Beerbox *box, char *filename) {
} }
if (aperson.finger_uuid > box->maxID) box->maxID = aperson.finger_uuid; if (aperson.finger_uuid > box->maxID) box->maxID = aperson.finger_uuid;
print_person(box, &aperson); //if(debug)print_person(box, &aperson,&Serial);
//comment back in once it is fixed print_person_JSON(box,&aperson,&Serial);
//update_pers_file(box, &aperson);
read.close(); read.close();
return aperson; return aperson;
} }
void print_person(Beerbox *box, Person *aperson) { void print_person(Beerbox *box, Person *aperson, HardwareSerial* com) {
int i = 0;
sprintf(toprint, "\nPerson is called \"%s\" and has the filename \"%s\".\n", aperson->name, aperson->file_name); sprintf(toprint, "\nPerson is called \"%s\" and has the filename \"%s\".\n", aperson->name, aperson->file_name);
if(debug)Serial.write(toprint); com->write(toprint);
sprintf(toprint, "rfid_uuid: %s\n", aperson->rfid_uuid); sprintf(toprint, "rfid_uuid: %s\n", aperson->rfid_uuid);
if(debug)Serial.write(toprint); com->write(toprint);
sprintf(toprint, "finger_uuid: %u\n", aperson->finger_uuid); sprintf(toprint, "finger_uuid: %u\n", aperson->finger_uuid);
if(debug)Serial.print(toprint); com->print(toprint);
sprintf(toprint, "credits_left: %u\n", aperson->credits_left); sprintf(toprint, "credits_left: %u\n", aperson->credits_left);
if(debug)Serial.print(toprint); com->print(toprint);
for (i = 0; i < box->maxDrink; i++) { for (int i = 0; i < box->maxDrink; i++) {
if (aperson->drinks_taken[i] != -1) { if (aperson->drinks_taken[i] != -1) {
sprintf(toprint, "\nDrink: %s\n", box->drinks[i].name); sprintf(toprint, "\nDrink: %s\n", box->drinks[i].name);
if(debug)Serial.write(toprint); com->write(toprint);
sprintf(toprint, "Drink %d: %d\n", i, aperson->drinks_taken[i]); sprintf(toprint, "Drink %d: %d\n", i, aperson->drinks_taken[i]);
if(debug)Serial.write(toprint); com->write(toprint);
sprintf(toprint, "Total: %d.%02d Euro\n", aperson->drinks_taken[i]*box->drinks[i].price / 100, (aperson->drinks_taken[i]*box->drinks[i].price) % 100); sprintf(toprint, "Total: %d.%02d Euro\n", aperson->drinks_taken[i]*box->drinks[i].price / 100, (aperson->drinks_taken[i]*box->drinks[i].price) % 100);
if(debug)Serial.write(toprint); com->write(toprint);
} }
} }
@ -368,7 +373,7 @@ Person* readAllPersons () {
File dir = SD.open("/"); File dir = SD.open("/");
dir.rewindDirectory(); dir.rewindDirectory();
personCount = 0; box->personCount = 0;
//count the valid persons: //count the valid persons:
while (true) { while (true) {
File entry = dir.openNextFile(); File entry = dir.openNextFile();
@ -376,9 +381,9 @@ Person* readAllPersons () {
break; break;
} }
if (!entry.isDirectory()) { if (!entry.isDirectory()) {
if (strcmp(strlwr(entry.name() + (strlen(entry.name()) - 4)), ".per")==0) if ((strcmp(strlwr(entry.name() + (strlen(entry.name()) - 4)), ".per")==0)&&(entry.name()[0]=='P'))
{ {
personCount++; //Yeah it is a person! box->personCount++; //Yeah it is a person!
} }
@ -387,8 +392,8 @@ Person* readAllPersons () {
} }
//now store them //now store them
//if(debug)Serial.print("count:"); //if(debug)Serial.print("count:");
//if(debug)Serial.print(personCount); //if(debug)Serial.print(box->personCount);
Person* readPersons = new Person[personCount]; Person* readPersons = new Person[box->personCount];
int counter = 0; int counter = 0;
dir.rewindDirectory(); dir.rewindDirectory();
while (true) { while (true) {
@ -398,7 +403,7 @@ Person* readAllPersons () {
} }
if (!entry.isDirectory()) { if (!entry.isDirectory()) {
int8_t len = strlen(entry.name()); int8_t len = strlen(entry.name());
if (strstr(strlwr(entry.name() + (len - 4)), ".per")) if ((strstr(strlwr(entry.name() + (len - 4)), ".per"))&&(entry.name()[0]=='P'))
{ {
//Yeah it is a person! //Yeah it is a person!
//if(debug)Serial.print("Person: "); //if(debug)Serial.print("Person: ");
@ -411,7 +416,7 @@ Person* readAllPersons () {
entry.close(); entry.close();
} }
dir.close(); dir.close();
if(debug)Serial.println("Read all!"); if(debug)Serial.println("Read all Persons!");
return readPersons; return readPersons;
} }

312
bluetooth.ino
View File

@ -1,123 +1,243 @@
void bluetoothCommands(){ void bluetoothCommands() {
if (Serial3.available() > 0) { if (Serial3.available() > 0) {
char command = Serial3.read(); char command = Serial3.read();
char subCommand = Serial3.read(); char subCommand = Serial3.read();
if (command == '#') { //1 General Info Command
if(subCommand == '1'){ // Get All Drinks
char incomingByte = Serial3.read(); // ignore ;
char incomingByte = Serial3.read();
String data;
} else if(subCommand == '2'){ // Get All filenames while (incomingByte != ';') {
char incomingByte = Serial3.read(); // ignore ; data = String(data + incomingByte);
//while incomingByte = Serial3.read();
//filenames_JSON(box,person) }
if (command == '#') { //1 General Info Command
if (subCommand == '1') { // Get All Drinks
print_drinks_JSON(box, &Serial3);
} else if (subCommand == '2') { // Get All persons
Serial3.print("{\"persons\":[");
for (int i = 0; i < box->personCount; i++) {
if (i != 0)Serial3.print(",");
print_person_JSON(box, &persons[i], &Serial3);
}
Serial3.println("]}");
} }
} else if (command == '!') { //2 User Managment Command } else if (command == '!') { //2 User Managment Command
if(subCommand == '1'){ // Create new User if (subCommand == '1') { // Create new User
char incomingByte = Serial3.read();
String personName = data;
char incomingByte = Serial3.read();
String personName;
while (incomingByte != ';'){
personName = String(personName + incomingByte);
incomingByte = Serial3.read();
}
if(debug)Serial.println(personName);
lcd.clear();
lcd.print(personName);
if(debug)Serial.println(box->maxID);
//lcd.setCursor(0,1);
//lcd.print("Fin pls");
int fingerReturn = -1;
while (fingerReturn != 0)
{
fingerReturn = getFingerprintEnroll(box->maxID + 1);
}
lcd.clear();
lcd.print(personName);
lcd.setCursor(0, 1);
lcd.print("RFID pls");
zugang = ""; if (debug)Serial.println(personName);
while (zugang == "") { lcd.clear();
getRFIDEnroll(); lcd.print(personName);
} if (debug)Serial.println(box->maxID);
if(debug)Serial.println(zugang); //lcd.setCursor(0,1);
box->maxID++; //lcd.print("Fin pls");
Person* newPerson = new Person; int fingerReturn = -1;
personName.toCharArray(newPerson->name, personName.length()+1); while (fingerReturn != 0)
char tmp[FILE_NAME_LEN + 1]; {
sprintf(tmp,"p%03d%s",box->maxID,FILE_EXTENSION); fingerReturn = getFingerprintEnroll(box->maxID + 1);
strcpy(newPerson->file_name, tmp); }
zugang.toCharArray(newPerson->rfid_uuid, zugang.length()+1); lcd.clear();
newPerson->finger_uuid = box->maxID; lcd.print(personName);
newPerson->credits_left = 1000; lcd.setCursor(0, 1);
for (int i = 0; i < box->maxDrink; i++) { lcd.print("RFID pls");
newPerson->drinks_taken[i]=0;
} zugang = "";
write_pers_file(newPerson); while (zugang == "") {
getRFIDEnroll();
}
if (debug)Serial.println(zugang);
box->maxID++;
Person* newPerson = new Person;
personName.toCharArray(newPerson->name, personName.length() + 1);
char tmp[FILE_NAME_LEN + 1];
sprintf(tmp, "p%03d%s", box->maxID, FILE_EXTENSION);
strcpy(newPerson->file_name, tmp);
zugang.toCharArray(newPerson->rfid_uuid, zugang.length() + 1);
newPerson->finger_uuid = box->maxID;
newPerson->credits_left = 1000;
for (int i = 0; i < box->maxDrink; i++) {
newPerson->drinks_taken[i] = 0;
}
write_pers_file(newPerson);
zugang = ""; // reset here zugang = ""; // reset here
lcd.clear(); lcd.clear();
lcd.print(personName); lcd.print(personName);
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd.print("Sucess!"); lcd.print("Sucess!");
delay(1000); delay(1000);
//and revert to normal: //and revert to normal:
lcd.clear(); lcd.clear();
lcd.print("Drink:"); lcd.print("Drink:");
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
lcd.print(box->drinks[currentDrink].name); lcd.print(box->drinks[currentDrink].name);
}//new User }//new User
else if(subCommand == '2'){ //get user by filename else if (subCommand == '2') { //get user by filename
}//get user char filename[data.length() + 1];
else if(subCommand == '3'){ //trigger user scan for ID Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
Person* aperson = &persons[getFileIndex(filename)];
print_person_JSON(box, aperson, &Serial3);
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
}//get user
else if (subCommand == '3') { //trigger user scan
lcd.clear();
lcd.print("Scanning");
lcd.setCursor(0, 1);
lcd.print("...");
box->scanning = true;
while (box->scanning) {
checkFinger();
checkRFID();
}
//After scan reset display
lcd.clear();
lcd.print("Drink:");
lcd.setCursor(0, 1);
lcd.print(box->drinks[currentDrink].name);
//return filename
}//user scan }//user scan
else if(subCommand == '4'){ //revoke user finger by filename else if (subCommand == '4') { //revoke user finger by filename
char filename[data.length() + 1];
Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
Person* changePerson = &persons[getFileIndex(filename)];
lcd.clear();
lcd.print(changePerson->name);
int fingerReturn = -1;
while (fingerReturn != 0)
{
fingerReturn = getFingerprintEnroll(changePerson->finger_uuid);
}
Serial3.println("{\"Success\"}");
//No need to save finger since id is not changed in the process
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
//reset display
lcd.clear();
lcd.print("Drink:");
lcd.setCursor(0, 1);
lcd.print(box->drinks[currentDrink].name);
}//revoke finger }//revoke finger
else if(subCommand == '5'){ //revoke user rfid by filename else if (subCommand == '5') { //revoke user rfid by filename
char filename[data.length() + 1];
Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
lastPersonIndex = getFileIndex(filename);
Person* changePerson = &persons[lastPersonIndex];
lcd.clear();
lcd.print(changePerson->name);
lcd.setCursor(0, 1);
lcd.print("RFID pls");
zugang = "";
while (zugang == "") {
getRFIDEnroll();
}
if (debug)Serial.println(zugang);
//save zugang
zugang.toCharArray(changePerson->rfid_uuid, zugang.length() + 1);
//lastPersonIndex is set in the beginning
update_pers_file();
Serial3.println("{\"Success\"}");
//reset display
lcd.clear();
lcd.print("Drink:");
lcd.setCursor(0, 1);
lcd.print(box->drinks[currentDrink].name);
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
}//revoke rfid }//revoke rfid
else if(subCommand == '6'){ //delete user by filename else if (subCommand == '6') { //delete user by filename
char filename[data.length() + 1];
Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
Serial3.println("{\"Error\":\"not implemented yet\"}");
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
}//delete user }//delete user
else if(subCommand == '6'){ //set user credits else if (subCommand == '7') { //set user credits
char filename[data.length() + 1];
Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
//Scann second time for credits
char incomingByte = Serial3.read();
String data2;
while (incomingByte != ';') {
data2 = String(data2 + incomingByte);
incomingByte = Serial3.read();
}
char credits_string[data2.length() + 1];
data2.toCharArray(credits_string, data2.length() + 1);
lastPersonIndex = getFileIndex(filename);
Person* setPerson = &persons[lastPersonIndex];
setPerson->credits_left = atoi(credits_string);
update_pers_file();
print_person_JSON(box,setPerson,&Serial3);
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
}//set credits }//set credits
else if(subCommand == '6'){ //set name by filename else if (subCommand == '8') { //set name by filename
char filename[data.length() + 1];
Serial.println(data);
data.toCharArray(filename, data.length() + 1);
if (personExists(filename)) {
Serial3.println("{\"Error\":\"not implemented yet\"}");
} else {
Serial3.println("{\"Error\":\"no such file\"}");
}
}//set name }//set name
} // User Managment Command } // User Managment Command
} //BLE available } //BLE available
}//end function }//end function
void print_person_JSON(Beerbox *box, Person *aperson, HardwareSerial* com) {
sprintf(toprint, "{\"name\": \"%s\",\"filename\":\"%s\",\"creditsleft\":\"%i\",\"drinks\":[", aperson->name, aperson->file_name, aperson->credits_left);
com->write(toprint);
void filenames_JSON(Beerbox *box, Person *aperson) { for (int i = 0; i < box->maxDrink; i++) {
int i = 0;
sprintf(toprint, "{\"name\": \"%s\",\"filename\":\"%s\",\"creditsleft\":\"%s\",\"drinks\":[", aperson->name, aperson->file_name, aperson->credits_left);
Serial.write(toprint);
for (i = 0; i < box->maxDrink; i++) {
if (aperson->drinks_taken[i] != -1) { if (aperson->drinks_taken[i] != -1) {
if(i=0) sprintf(toprint, "{\"%s\":\"%s\"}", box->drinks[i].name,aperson->drinks_taken[i]); if (i == 0) sprintf(toprint, "{\"%s\":\"%i\"}", box->drinks[i].name, aperson->drinks_taken[i]);
else sprintf(toprint, ",{\"%s\":\"%s\"}", box->drinks[i].name,aperson->drinks_taken[i]); else sprintf(toprint, ",{\"%s\":\"%i\"}", box->drinks[i].name, aperson->drinks_taken[i]);
Serial.write(toprint); com->write(toprint);
} }
} }
Serial.write("]}"); com->println("]}");
box->scanning = false;
} // end print JSON } // end print JSON
void print_drinks_JSON(Beerbox *box, HardwareSerial* com) {
com->print("{\"drinks\":[");
for (int i = 0; i < box->maxDrink; i++) {
if (box->drinks[i].price != -1) {
if (i == 0) sprintf(toprint, "{\"id\":\"%i\",\"name\":\"%s\",\"price\":\"%i\"}", i, box->drinks[i].name, box->drinks[i].price);
else sprintf(toprint, ",{\"id\":\"%i\",\"name\":\"%s\",\"price\":\"%i\"}", i, box->drinks[i].name, box->drinks[i].price);
com->write(toprint);
}
}
com->print("]}");
}

32
inputs.ino
View File

@ -1,5 +1,3 @@
void checkButton() { void checkButton() {
//one change per click to make seleting drinks easier for the drunken //one change per click to make seleting drinks easier for the drunken
//if (digitalRead(2) != lastButtonState) { //if (digitalRead(2) != lastButtonState) {
@ -66,11 +64,13 @@ bool checkFinger() {
if (getFingerIndex(finger.fingerID) != -1) { if (getFingerIndex(finger.fingerID) != -1) {
if(debug)Serial.print("This is "); if(debug)Serial.print("This is ");
if(debug)Serial.println(persons[getFingerIndex(finger.fingerID)].name); if(debug)Serial.println(persons[getFingerIndex(finger.fingerID)].name);
countUp(getFingerIndex(finger.fingerID), 0);//for finger context if(!box->scanning) countUp(getFingerIndex(finger.fingerID), 0);//for finger context
else print_person_JSON(box,&persons[getFingerIndex(finger.fingerID)],&Serial3);
} }
} }
void checkRFID() { bool checkRFID() {
Serial1.flush(); Serial1.flush();
if (Serial1.available() >= gesamtKennungLaenge) // wenn genug Zeichen eingegangen ... if (Serial1.available() >= gesamtKennungLaenge) // wenn genug Zeichen eingegangen ...
{ {
@ -99,10 +99,13 @@ void checkRFID() {
//if(debug)Serial.print("This is "); //if(debug)Serial.print("This is ");
//if(debug)Serial.println(persons[getRFIDIndex(persons, code)].name); //if(debug)Serial.println(persons[getRFIDIndex(persons, code)].name);
if(getRFIDIndex( code)!=-1) if(getRFIDIndex( code)!=-1){
if(!box->scanning)
countUp(getRFIDIndex( code), 1); // 1 for rfid context countUp(getRFIDIndex( code), 1); // 1 for rfid context
else else print_person_JSON(box,&persons[getRFIDIndex( code)],&Serial3);
}else{
if(debug)Serial.println("Error: Nonexisting Card"); if(debug)Serial.println("Error: Nonexisting Card");
}
zugang = ""; zugang = "";
delay(1000); // debounce time delay(1000); // debounce time
@ -123,7 +126,7 @@ void serial1_flush_buffer()
//Funktion schreiben, welche ein Array vom struct Person (Beliebige Groesse) sowie eine rfid-kennung uebernimmt und den Index der entsprechenden Person im array (beginnend bei 0)zurueckgiebt. //Funktion schreiben, welche ein Array vom struct Person (Beliebige Groesse) sowie eine rfid-kennung uebernimmt und den Index der entsprechenden Person im array (beginnend bei 0)zurueckgiebt.
int getRFIDIndex( char* rfid) { int getRFIDIndex( char* rfid) {
for (int i = 0; i < personCount; i++) { for (int i = 0; i < box->personCount; i++) {
if (!strcmp(persons[i].rfid_uuid, rfid)) { if (!strcmp(persons[i].rfid_uuid, rfid)) {
return i; return i;
} }
@ -133,7 +136,7 @@ int getRFIDIndex( char* rfid) {
} }
int getFingerIndex( uint8_t fingerID) { int getFingerIndex( uint8_t fingerID) {
for (int i = 0; i < personCount; i++) { for (int i = 0; i < box->personCount; i++) {
if (persons[i].finger_uuid == fingerID) { if (persons[i].finger_uuid == fingerID) {
return i; return i;
} }
@ -141,13 +144,24 @@ int getFingerIndex( uint8_t fingerID) {
return -1; return -1;
} }
int getFileIndex( char* filename) {
for (int i = 0; i < box->personCount; i++) {
if(!strcmp(persons[i].file_name,filename)) {
return i;
}
}
return -1;
}
void countUp(int personIndex, int context) { void countUp(int personIndex, int context) {
lcd.clear(); lcd.clear();
lcd.print(persons[personIndex].name); lcd.print(persons[personIndex].name);
lcd.setCursor(0, 1); lcd.setCursor(0, 1);
persons[personIndex].drinks_taken[currentDrink]++; persons[personIndex].drinks_taken[currentDrink]++;
lcd.print(persons[personIndex].drinks_taken[currentDrink]); //now care about credits
persons[personIndex].credits_left = persons[personIndex].credits_left - box->drinks[currentDrink].price ;
lcd.print(persons[personIndex].drinks_taken[currentDrink]); // Todo this can be changed with the credits left later...
lcd.print(" Ok? "); lcd.print(" Ok? ");
lcd.setCursor(7, 1); lcd.setCursor(7, 1);
lcd.print("3"); lcd.print("3");