This is "commented out" code I used. Button pressed was hard coded to be true.
Code: Select all#include <SoftwareSerial.h>
#include <TinyGPS.h>
#define NUM_OFF 2
#define DELAY 50
#define TEST_BUTTON 9
#define DEFAULT_SPEED_LIMIT 5
#define NSPEEDZONES 6
boolean debugMode = true;
boolean speeding = false;
int blue;
int loopctr = 0;
class Vertex {
public:
Vertex(float llat, float llng) {
lat = llat;
lng = llng;
}
float lat;
float lng;
};
class SpeedZone {
public:
SpeedZone(int s) {
speedLimit = s;
}
void setVertices(int n, Vertex *v) {
nVertices = n;
vertices = v;
}
int nVertices;
Vertex *vertices;
int speedLimit;
};
SpeedZone *speedZones[NSPEEDZONES];
//TinyGPS gps;
SoftwareSerial nss(3, 4);
boolean buttonPressed = false;
SoftwareSerial cell(7,8); // We need to create a serial port on D2/D3 to talk to the GSM module
char mobilenumber[] = "XXXXXXXXXXX";
void setup() {
Serial.begin(9600);
setupSpeedZones();
blue = 12;
pinMode(blue, OUTPUT);
pinMode(TEST_BUTTON, INPUT);
digitalWrite(TEST_BUTTON, HIGH);
cell.begin(4800);
delay(3500); // give the GSM module time to initialise, locate network etc.
delay(3000);
nss.begin(9600);
}
void setupSpeedZones() {
// 2nd main road
speedZones[0] = &SpeedZone(25);
speedZones[0]->setVertices(12, (Vertex[12]){
Vertex(12.943427649396137, 77.53860712051392),
Vertex(12.942570236686135, 77.53871440887451),
Vertex(12.94140958795451,77.53876805305481),
Vertex(12.940980878498074, 77.53875732421875),
Vertex(12.940353497477103, 77.5388753414154),
Vertex(12.939046448613755,77.5390899181366 ),
Vertex(12.938021717514202,77.53932595252991 ),
Vertex(12.937760305845364,77.53974437713623 ),
Vertex(12.93687150412194,77.53973364830017 ),
Vertex(12.935982699231385,77.53956198692322 ),
Vertex(12.934142340214253,77.53906846046448),
Vertex(12.933943664281175,77.538982629776 ) }
);
// 80 feet Double Road
speedZones[1] = &SpeedZone(15);
speedZones[1]->setVertices(9, (Vertex[9]){
Vertex(12.941044923555157, 77.53885790705681),
Vertex(12.941039695387857, 77.53906175494194),
Vertex(12.941035774262303, 77.5392173230648),
Vertex(12.941027932011004, 77.53935679793358),
Vertex(12.940876315104193, 77.54202961921692),
Vertex(12.94081357704682, 77.54283428192139),
Vertex(12.940698557233977, 77.54501223564148),
Vertex(12.94058353736807,77.54695415496826 ),
Vertex(12.940520799237047, 77.54763007164001) }
);
// Block road
speedZones[2] = &SpeedZone(10);
speedZones[2]->setVertices(16, (Vertex[16]){
Vertex(12.933547619021462,77.53549307584763),
Vertex(12.93361689431027,77.53550313413143 ),
Vertex(12.933661988591705,77.5354977697134),
Vertex(12.933694012061984,77.53548838198185),
Vertex(12.933777665189446,77.53545552492142),
Vertex(12.933820798822312,77.5354354083538),
Vertex(12.933860664749114,77.53541797399521),
Vertex(12.934049537659947,77.53533147275448),
Vertex(12.93419985163906,77.53525167703629),
Vertex(12.934398527368137,77.53516852855682),
Vertex(12.934513550086338,77.53511488437653),
Vertex(12.934594588787776,77.53507733345032),
Vertex(12.93473575291451,77.53501027822495),
Vertex(12.934853389625761,77.53495931625366),
Vertex(12.934952727249843,77.5349110364914),
Vertex(12.934984097017653,77.53490567207336) }
);
// towards post office
speedZones[3] = &SpeedZone(35);
speedZones[3]->setVertices(20, (Vertex[20]){
Vertex(12.93382341298164, 77.53911674022675),
Vertex(12.933729303228546, 77.53927633166313),
Vertex(12.933663949212452, 77.53939434885979),
Vertex(12.933615587229529, 77.5394868850708),
Vertex(12.933513634910476,77.53962635993958 ),
Vertex(12.9334495879195, 77.5397376716137),
Vertex(12.933313651394398, 77.53990530967712),
Vertex(12.933197321040067, 77.54006892442703),
Vertex(12.933090140216153, 77.54023790359497),
Vertex(12.933005179774247, 77.54036530852318),
Vertex(12.932905841374719, 77.54049941897392),
Vertex(12.932785589574985, 77.54066303372383),
Vertex(12.932637888915574, 77.54087224602699),
Vertex(12.932517636986722, 77.54102379083633),
Vertex(12.932401306261246, 77.54119008779526),
Vertex(12.932307195971756, 77.54131078720093),
Vertex(12.932219621087134, 77.54143953323364),
Vertex(12.932149038321938, 77.54154548048973),
Vertex(12.93218171553054, 77.54162460565567),
Vertex(12.932209164382444, 77.54164338111877) }
);
// ring road
speedZones[4] = &SpeedZone(40);
speedZones[4]->setVertices(11, (Vertex[11]){
Vertex(12.933744988189858, 77.53884315490723),
Vertex(12.93417371008398, 77.53815650939941),
Vertex(12.934696540665088, 77.53731966018677),
Vertex(12.935062521419919, 77.53671884536743),
Vertex(12.935313479341485, 77.53631114959717),
Vertex(12.935648089510861, 77.53558158874512),
Vertex(12.936087264677003, 77.53476619720459),
Vertex(12.936599634726921, 77.53420829772949),
Vertex(12.937321133624925, 77.53389716148376),
Vertex(12.937948522274533, 77.53362894058228),
Vertex(12.938230846651972, 77.53344655036926) }
);
// new road
speedZones[5] = &SpeedZone(30);
speedZones[5]->setVertices(11, (Vertex[11]){
Vertex(12.943443333747508, 77.5386044383049),
Vertex(12.943435491571943, 77.53841936588287),
Vertex(12.943432877513375, 77.53809481859207),
Vertex(12.943432877513375, 77.53791779279709),
Vertex(12.943425035337478, 77.53762006759644),
Vertex(12.943417193161341, 77.53743767738342),
Vertex(12.943409350984949, 77.53721237182617),
Vertex(12.943411965043772, 77.53708630800247),
Vertex(12.943406736926102, 77.53692269325256),
Vertex(12.94338582445431, 77.53680735826492),
Vertex(12.943357069802731, 77.53675907850266) }
);
if (debugMode) {
printSpeedZones();
}
}
boolean inSpeedZone(int speedZone, float lat, float lng) {
SpeedZone *s = speedZones[speedZone];
int i, j;
boolean inside = false;
for (i = 0, j = s->nVertices-1; i < s->nVertices; j = i++) {
if ( ((s->vertices[i].lat > lat) != (s->vertices[j].lat > lat)) &&
(lng < (s->vertices[j].lng - s->vertices[i].lng) * (lat - s->vertices[i].lat) / (s->vertices[j].lat - s->vertices[i].lat) + s->vertices[i].lng) )
inside = !inside;
}
return inside;
}
boolean inSpeedZone(int speedZone) {
float lat, lng;
unsigned long fix_age;
// retrieves +/- lat/long in 100,000ths of a degree
//gps.f_get_position(&lat, &lng, &fix_age);
return inSpeedZone(speedZone, lat, lng);
}
void loop() {
loopctr++;
Serial.print("Loop counter = ");
Serial.println(loopctr);
// if (readGPS()) {
// if (debugMode) {
// debug();
// }
// speeding = isSpeeding();
// }
// if (digitalRead(TEST_BUTTON) == LOW) {
// buttonPressed = true;
// }
// else {
// buttonPressed = false;
// }
buttonPressed = true;
if ((speeding || buttonPressed) && (!(speeding && buttonPressed))) {
Serial.println("going to PD lights");
policeLights();
}
else {
allOff();
}
}
//bool readGPS() {
// while (nss.available()) {
// if (gps.encode(nss.read())) {
// return true;
// }
// }
// return false;
//}
int getSpeedLimit() {
boolean isInSpeedZone;
for(int i=0;i<NSPEEDZONES;i++) {
isInSpeedZone = inSpeedZone(i);
if (isInSpeedZone) {
return speedZones[i]->speedLimit;
}
}
return DEFAULT_SPEED_LIMIT;
}
//boolean isSpeeding() {
// int speed = (int)(gps.f_speed_kmph() + 0.5);
// int speedLimit = getSpeedLimit();
// if (speed > speedLimit) {
// delay (5000);
// if (speed > speedLimit)
// return true;
// }
// return false;
//}
void policeLights() {
Serial.println("In PD lights");
digitalWrite(blue, HIGH);
cell.println("AT+CMGF=1"); // set SMS mode to text
cell.print("AT+CMGS="); // now send message...
cell.write((byte)34); // ASCII equivalent of "
cell.print(mobilenumber);
cell.write((byte)34); // ASCII equivalent of "
cell.println();
delay(500); // give the module some thinking time
cell.print("hi bobby, the king of kings... :-)"); // our message to send
cell.write((byte)26); // ASCII equivalent of Ctrl-Z
cell.println();
delay(15000); // the SMS module needs time to return to OK status
Serial.println("Exit PD lights");
return;
}
void allOff() {
digitalWrite(blue,LOW);
}
void printSpeedZones() {
for(int i=0;i<NSPEEDZONES;i++) {
SpeedZone *s = speedZones[i];
Serial.println(s->speedLimit);
for(int v=0;v<s->nVertices;v++) {
Serial.print("(");
Serial.print(s->vertices[v].lat,15);
Serial.print(", ");
Serial.print(s->vertices[v].lng,15);
Serial.println(")");
}
}
}
void debug() {
float lat, lng;
unsigned long fix_age, time, date, speed, course;
// retrieves +/- lat/long in 100000ths of a degree
//gps.f.get_position(&lat, &lng, &fix_age);
Serial.println(getSpeedLimit());
Serial.print("lat: ");
Serial.print(lat,15);
Serial.print(" lng: ");
Serial.print(lng,15);
Serial.print(" speed: ");
//Serial.println(gps.f_speed_kmph());
}
) "raw data" for other modes. A cell.print and a cell.write respectively.