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Gateway OK

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This commit is contained in:
bcadot 2022-01-20 00:37:51 +01:00
parent 6c5f6045b1
commit 4108b4bd7d
3 changed files with 250 additions and 234 deletions
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63
gateway/gateway.ino
View file

@ -16,9 +16,11 @@ struct message {
float data;
};
struct message msg = {-1, -1, -1, 0.0};
void setup() {
// Initialisation du moniteur série
Serial.begin(9600);
Serial.begin(115200);
while (!Serial);
// Initialisation des leds
@ -34,7 +36,7 @@ void setup() {
// Initialisation de shield
Serial.println("Initialisation shield UMTS");
shield.power_on();
shield.init("0000", "", "", "");
shield.init("0000", "mmsbouygtel.com", "", "");
// Initialisation LoRa
Serial.println("Initialisation LoRa transceiver");
@ -50,7 +52,8 @@ void setup() {
turnOnLed(Green);
}
void receiveLoRa(struct message * msg) {
void receiveLoRa() {
msg.vers = -1;
int packetSize = LoRa.parsePacket();
if (packetSize) {
turnOnLed(Blue);
@ -59,7 +62,10 @@ void receiveLoRa(struct message * msg) {
while (LoRa.available()) {
String stringData = LoRa.readString();
const char* LoRaData = stringData.c_str();
sscanf(LoRaData, "%d-%d-%d-%f", &(msg->vers), &(msg->type), &(msg->cameraId), &(msg->data));
int partie_entiere;
int partie_decimale;
sscanf(LoRaData, "%d-%d-%d-%d.%d", &(msg.vers), &(msg.type), &(msg.cameraId), &partie_entiere, &partie_decimale);
msg.data = float(partie_entiere) + (float(partie_decimale))/100;
Serial.print(LoRaData);
Serial.print("");
}
@ -71,21 +77,56 @@ void receiveLoRa(struct message * msg) {
}
}
void printMessage(struct message msg) {
void printMessage() {
if (msg.vers > 0) {
Serial.println("Message : ");
Serial.print("\tVersion : ");
Serial.print(msg.vers);
Serial.println(msg.vers);
Serial.print("\tType : ");
Serial.print(msg.type);
Serial.println(msg.type);
Serial.print("\tCamera ID : ");
Serial.print(msg.cameraId);
Serial.println(msg.cameraId);
Serial.print("\tData : ");
Serial.println(msg.data);
Serial.println("");
}
}
void processMessage() {
if (msg.vers > 0) {
delay(50);
const char url[] = "rasp.pikouri.fr";
int port = 80;
//Event
if (msg.type == 1) {
char request[150];
sprintf(request, "POST /api/cameras/%d/counter HTTP/1.1\r\nHost: rasp.pikouri.fr\r\n\r\n", msg.cameraId);
Serial.println(request);
shield.sendPOSTrequest(url, port, request, 20000);
shield.sendTextMessage("0783852909", "Event");
}
//Temperature
else if (msg.type == 2) {
char request[200];
String tempData = String(msg.data);
sprintf(request, "POST /api/cameras/%d/temperature HTTP/1.1\r\nHost: rasp.pikouri.fr\r\nContent-Type: application/json\r\nContent-Length: %d\r\n\r\n%s", msg.cameraId, tempData.length(),tempData.c_str());
Serial.println(request);
if (shield.sendPOSTrequest(url, port, request, 20000) == 3) {
shield.power_on();
delay(1000);
shield.power_on();
shield.init("0000", "mmsbouygtel.com", "", "");
} else {
Serial.println("Request sent\n\n\n");
}
} else {
Serial.print("Type not indentified: ");
Serial.println(msg.type);
}
}
}
void loop() {
struct message msg;
receiveLoRa(&msg);
printMessage(msg);
receiveLoRa();
processMessage();
}

206
gateway/sim5215_umts_shield.cpp
View file

@ -8,16 +8,25 @@ Shield::Shield(int onPin, int shieldRX, int shieldTX) : shieldSerial(shieldRX, s
int Shield::init(char pin_number[], char apn[], char user_name[], char password[]) {
char aux_str[50];
int answer = 0;
//sets the PIN code
sprintf(aux_str, "AT+CPIN=%s", pin_number);
answer &= sendATcommand(aux_str, "OK", 2000);
int answer = -1;
Serial.println("Starting...");
delay(3000);
//check that connected to home network or partner network
//sets the PIN code
sprintf(aux_str, "AT+CPIN=%s", pin_number);
sendATcommand(aux_str, "OK", 2000);
delay(3000);
Serial.println("Connecting to the network...");
while( (sendATcommand("AT+CREG?", "+CREG: 0,1", 500) || sendATcommand("AT+CREG?", "+CREG: 0,5", 500)) == 0 );
Serial.print("Setting SMS mode...");
sendATcommand("AT+CMGF=1", "OK", 1000); // sets the SMS mode to text
// sets APN, user name and password
sprintf(aux_str, "AT+CGSOCKCONT=1,\"IP\",\"%s\"", apn);
answer &= sendATcommand(aux_str, "OK", 2000);
@ -28,10 +37,8 @@ int Shield::init(char pin_number[], char apn[], char user_name[], char password[
return answer;
}
void Shield::power_on() {
void Shield::power_on(){
uint8_t answer=0;
// checks if the module is started
answer = sendATcommand("AT", "OK", 2000);
if (answer == 0) {
@ -40,24 +47,25 @@ void Shield::power_on() {
delay(3000);
digitalWrite(onModulePin,LOW);
// waits for an answer from the module
while (answer == 0) {
while(answer == 0) {
// Send AT every two seconds and wait for the answer
answer = sendATcommand("AT", "OK", 2000);
Serial.println(answer);
}
}
}
int8_t Shield::sendATcommand(char* ATcommand, char* expected_answer, unsigned int timeout) {
uint8_t x=0, answer = 0;
int8_t Shield::sendATcommand(char* ATcommand, char* expected_answer, unsigned int timeout){
uint8_t x=0, answer=0;
char response[100];
unsigned long previous;
memset(response, '\0', 100); // Initialize the string
memset(response, '\0', 100); // Initialice the string
delay(100);
while (shieldSerial.available() > 0) shieldSerial.read(); // Clean the input buffer
// shieldSerial.println("-- Serial cleaning done --");
while( shieldSerial.available() > 0) shieldSerial.read(); // Clean the input buffer
int bytes = shieldSerial.println(ATcommand); // Send the AT command
@ -66,24 +74,43 @@ int8_t Shield::sendATcommand(char* ATcommand, char* expected_answer, unsigned in
// this loop waits for the answer
do {
// if there are data in the UART input buffer, reads it and checks for the asnwer
if (shieldSerial.available() != 0) {
// check if the desired answer is in the response of the module
// if there are data in the UART input buffer, reads it and checks for the answer
if (shieldSerial.available() != 0){
// Serial.println("Data in UART");
response[x] = shieldSerial.read();
x++;
if (strstr(response, expected_answer) != NULL) {
// check if the desired answer is in the response of the module
if (strstr(response, expected_answer) != NULL)
{
answer = 1;
}
}
// Waits for the answer with time out
} while ((answer == 0) && ((millis() - previous) < timeout));
if (answer == 0 && strlen(response) != 0) {
Serial.print("AT response=");
Serial.println(response);
}
while((answer == 0) && ((millis() - previous) < timeout));
return answer;
}
bool match(char * cible, char * current) {
int i = 0;
boolean ok = true;
while (i<6 && ok) {
ok = (cible[i] == current[i]);
i++;
}
return ok;
}
void add_c(char * chaine, char c) {
chaine[0] = chaine[1];
chaine[1] = chaine[2];
chaine[2] = chaine[3];
chaine[3] = chaine[4];
chaine[4] = chaine[5];
chaine[5] = c;
}
int8_t Shield::sendPOSTrequest(char url[], int port, char request[], unsigned int timeout) {
char aux_str[50];
unsigned long previous;
@ -100,24 +127,19 @@ int8_t Shield::sendPOSTrequest(char url[], int port, char request[], unsigned in
shieldSerial.write(0x1A);
http_status = 1;
while ((http_status == 1) || (http_status == 2)) {
answer = sendATcommand("", "+CHTTPACT: ", timeout);
if (answer == 0) {
if (http_status == 1) {
http_status = 3;
} else if (http_status == 2) {
http_status = 5;
Serial.println("ERROR : No first +CHTTPACT: ");
}
Serial.print(F("http_status= "));
Serial.println(http_status, DEC);
} else {
// answer == 1
Serial.println("+CHTTPACT: received");
while(shieldSerial.available()==0);
aux_str[0] = shieldSerial.read();
if ((aux_str[0] == 'D') && (http_status == 1)) {
Serial.println("DATA,xxx line");
// Data packet with header
while(shieldSerial.available()<4);
shieldSerial.read(); // A
shieldSerial.read(); // T
@ -134,114 +156,64 @@ int8_t Shield::sendPOSTrequest(char url[], int port, char request[], unsigned in
aux_str[x-1] = '\0';
data_size = atoi(aux_str);
// Serial.print("Packet size=");
// Serial.println(data_size, DEC);
// Now, search the end of the HTTP header (\r\n\r\n)
do {
//wait for 4 characters
while (shieldSerial.available() < 3);
// Now, search for (200 ok)
char cible[] = "200 ok";
char current[] = "\0\0\0\0\0\0";
while ((!match(cible,current)) && (data_size > 0)) {
while (shieldSerial.available() < 1);
add_c(current, shieldSerial.read());
data_size--;
if (shieldSerial.read() == '\r') {
Serial.println("Found first");
data_size--;
if (shieldSerial.read() == '\n') {
Serial.println("Found second");
data_size--;
if (shieldSerial.read() == '\r') {
Serial.println("Found third");
data_size--;
if (shieldSerial.read() == '\n') {
Serial.println("Found end of the header");
}
if (match(cible,current)) {
Serial.println("Found 200 ok");
// End of the header found
http_status = 2;
// Vidus du buffer
while (data_size > 0) {
shieldSerial.read();
data_size--;
}
} else {
Serial.println("No 200 ok");
http_status = 3;
}
} else {
Serial.println("No first DATA");
http_status = 3;
}
}
}
}
} while ((http_status == 1) && (data_size > 0));
if (http_status == 2) {
// Reads the data
http_x = 0;
Serial.println("Starting reading data");
do {
if (shieldSerial.available() != 0) {
data[http_x] = shieldSerial.read();
http_x++;
data_size--;
// Serial.print("Bytes read=");
// Serial.println(http_x, DEC);
answer = sendATcommand("", "+CHTTPACT: ", timeout);
if (answer == 0) {
http_status = 3;
Serial.println("ERROR : No second +CHTTPACT: ");
} else {
delay(1);
}
} while(data_size > 0);
data[http_x] = '\0';
Serial.println("Finished reading data");
}
} else if ((aux_str[0] == 'D') && (http_status == 2)) {
// Data packet with header
while(shieldSerial.available()<4);
shieldSerial.read(); // A
shieldSerial.read(); // T
shieldSerial.read(); // A
shieldSerial.read(); // ,
// Reads the packet size
x=0;
do {
// answer == 1
Serial.println("+CHTTPACT: received");
while(shieldSerial.available()==0);
aux_str[x] = shieldSerial.read();
x++;
} while((aux_str[x-1] != '\r') && (aux_str[x-1] != '\n'));
aux_str[x-1] = '\0';
data_size = atoi(aux_str);
do {
if(shieldSerial.available() != 0){
data[http_x] = shieldSerial.read();
http_x++;
} else {
delay(1);
}
} while(data_size > 0);
data[http_x] = '\0';
} else if (aux_str[0] == '0') {
// end of the AT command
aux_str[0] = shieldSerial.read();
Serial.println(aux_str[0]);
if (aux_str[0] == '0') {
http_status = 0;
} else {
// unknown response
http_status = 4;
Serial.print(char(aux_str[0]));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.print(char(shieldSerial.read()));
Serial.println("No 0");
http_status = 3;
}
}
}
previous = millis() - previous;
// Serial.println(previous, DEC);
if (http_status == 0) {
Serial.print(F("HTTP data: "));
Serial.println(data);
} else {
Serial.println("!Error on CHTTPACT REQUEST!");
http_status = 3;
}
Serial.print(F("http_status= "));
Serial.println(http_status, DEC);
}
} else {
Serial.println("!Error on CHTTPACT!");
}
return http_status;
}

3
gateway/sim5215_umts_shield.h
View file

@ -26,7 +26,10 @@ class Shield {
//Sends a POST request to url:port via AT commands to the shield
int8_t sendPOSTrequest(char url[], int port, char request[], unsigned int timeout);
//Sends a text message to the desired phone number
int8_t sendTextMessage(char phone_number[], char text[]);
int availableMemory();
};
#endif