/*
Desc: Displays a given bit pattern using the 4 LEDs and holds it for a given period
Inputs: int number - Number of to be lit
long delay - Duration of the delay in s
*/
void displayBits(int number, long delay){
int bitpos = 1;
int num = 0;
delay= delay*1000;
/*test bit position 0 - if number is odd*/
if((bitpos & number) == 1){
lightLED(1);
}
/*test bit position 1 - AND with bin 2*/
bitpos = 2;
if((bitpos & number) == 2){
lightLED(2);
}
/*test bit position 2 - AND with bin 3*/
bitpos = 4;
if((bitpos & number) == 4){
lightLED(3);
}
/*test bit position 3 - AND with bin 4*/
bitpos = 8;
if((bitpos & number)== 8){
lightLED(4);
}
SystickTimer(delay);
killLED(1);
killLED(2);
killLED(3);
killLED(4);
}
//Default function in MQTT paho (Runs when msg is received)
int msgarrvd(void *context, char *topicName, int topicLen, MQTTClient_message *message)
{
int i;
char* payloadptr;
char messageText[message->payloadlen];
printf("Message arrived\n");
printf(" topic: %s\n", topicName);
printf(" message: ");
payloadptr = message->payload;
for(i=0; i < message->payloadlen; i++)
{
// putchar(*payloadptr++);
messageText[i] = *payloadptr++;
}
messageText[i] = '\0';
lightLED(messageText[0]);
printf("%s",messageText);
putchar('\n');
MQTTClient_freeMessage(&message);
MQTTClient_free(topicName);
return 1;
}
/*
Pre-Reqs:PrintLineToLCD(), KeypadTest(), global functionusetext, global userposition
Desc: Bunch of loops. First displays 1st and 2nd lines, then checks button presses to send corresponding lines
*/
void functiontext(){
char button;
PrintLineToLCD(functionusetext[0]);
PrintLineToLCD(functionusetext[1]);
SystickTimer(400);
while (1){
button = KeypadTest();
if (button == '#'){
userposition++;
if (userposition>3){
userposition = 0;
}
PrintLineToLCD(functionusetext[0]);
PrintLineToLCD(functionusetext[userposition+1]);
}
else if (button == '*'){
userposition-- ;
if (userposition<0){
userposition = 3;
}
PrintLineToLCD(functionusetext[0]);
PrintLineToLCD(functionusetext[userposition+1]);
}
else if (button == '0'){
userposition =0;
return;
}
else if (button == '1'){
double ircal10, ircal50;
float uscal10, uscal50;
userposition=0;
PrintLineToLCD(functionusetext[6]);
PrintLineToLCD(functionusetext[7]);
SystickTimer(1500);
PrintLineToLCD(functionusetext[8]);
PrintLineToLCD(functionusetext[7]);
while(1){
button = KeypadTest();
if (button == '#'){
ircal10 = irMedianRaw();
uscal10 = usScan();
break;
}
}
PrintLineToLCD(functionusetext[9]);
PrintLineToLCD(functionusetext[7]);
while(1){
button = KeypadTest();
if (button == '#'){
ircal50 = irMedianRaw();
uscal50 = usScan();
break;
}
}
if (whichSensor == 0){
irCalibrate(ircal10, ircal50);
}
else{
usCalibrate(uscal10, uscal50);
}
PrintLineToLCD(functionusetext[10]);
PrintLineToLCD(" ");
SystickTimer(1500);
return;
}
else if (button == '2'){
userposition =0;
while (1){
button = KeypadTest();
PrintLineToLCD(functionusetext[5]);
if (whichSensor == 0){
irString();
killLED(2);
lightLED(3);
}
else if(whichSensor == 1){
usString();
killLED(3);
lightLED(2);
}
if (button == '0'){
break;
}
}
}
else if (button == '3'){
userposition =0;
return;
}
else if (button == '4'){
userposition = 0;
return;
}
}
}
