int main(int argc, char *argv[])
{
char line[100];
float temp;
do {
printf("Enter tempertature: ");
fgets(line, sizeof(line), stdin);
} while (sscanf(line, "%f", &temp) != 1);
printf("%.2f degrees C\n", convert_to_f(temp));
return 0;
}
void in_received_handler(DictionaryIterator *received, void *context) {
// Looks for key #0 (current temperature) in the incoming message
Tuple *text_tuple = dict_find(received, 0);
if (text_tuple) {
strncpy(msg, text_tuple->value->cstring, 6);
msg[6] = '\0';
if (!celsius) {
convert_to_f(msg);
strcat(msg, " F");
} else {
strcat(msg, " C");
}
text_layer_set_text(hello_layer, msg);
return;
}
// Looks for key #1 (statistics) in the incoming message
text_tuple = dict_find(received, 1);
if (text_tuple) {
char* p = text_tuple->value->cstring;
strcpy(msg, "Min: ");
if (!celsius) {
convert_to_f(p);
strncat(msg, p, 6);
strcat(msg, " F\nMax: ");
} else {
strncat(msg, p, 6);
strcat(msg, " C\nMax: ");
}
while (*p != ',') {p++;}
p++;
if (!celsius) {
convert_to_f(p);
strncat(msg, p, 6);
strcat(msg, " F\nAvg: ");
} else {
strncat(msg, p, 6);
strcat(msg, " C\nAvg: ");
}
while (*p != ',') {p++;}
p++;
if (!celsius) {
convert_to_f(p);
strncat(msg, p, 6);
strcat(msg, " F\n");
} else {
strncat(msg, p, 6);
strcat(msg, " C\n");
}
text_layer_set_text(hello_layer, msg);
return;
}
// Looks for key #13 (unable to connect to serve) in the incoming message
text_tuple = dict_find(received, 13);
if (text_tuple) {
strcpy(msg, "Unable to connect to server");
text_layer_set_text(hello_layer, msg);
return;
}
text_tuple = dict_find(received, 3);
if (text_tuple) {
strcpy(msg, "Server can't connect to the Arduino");
text_layer_set_text(hello_layer, msg);
return;
}
// Otherwise: couldn't identify message key
strcpy(msg, "Error - unidentified key!");
text_layer_set_text(hello_layer, msg);
}