display funcs

main.c

@@ -16,15 +16,20 @@ void get_all(int *a) {
 }
 
 void print_all_quiet(int *a) {
-	for (int i = 1; i <= 31; i++) {
-		if (i % 10) {
-			printf("%d ", a[i]);
-		} else if (i == 30) {
-			printf("%d ", a[i]);
-                } else {
-                  putchar('\n');
-                }
+        for (int i = 1; i <= 10; i++) {
+		printf("%d ", a[i]);
         }
+	putchar('\n');
+
+        for (int i = 11; i <= 20; i++) {
+		printf("%d ", a[i]);
+        }
+	putchar('\n');
+
+        for (int i = 21; i <= 31; i++) {
+		printf("%d ", a[i]);
+        }
+	putchar('\n');
 }
 
 void print_all_oneline(int *a) {
@@ -34,13 +39,32 @@ void print_all_oneline(int *a) {
 	putchar('\n');
 }
 
+void print_all_pretty(int *a) {
+	printf("Pins 01-10\t");
+        for (int i = 1; i <= 10; i++) {
+		printf("%d ", a[i]);
+        }
+
+	printf("\nPins 11-20\t");
+        for (int i = 11; i <= 20; i++) {
+		printf("%d ", a[i]);
+        }
+
+	printf("\nPins 21-30\t");
+        for (int i = 21; i <= 30; i++) {
+		printf("%d ", a[i]);
+        }
+
+        printf("\nPin 31:\t\t%d\n", a[31]);
+}
+
 int main(int argc, char *argv[]) {
 	/*
 	 * pins[] array: GPIO pins only, input only; using WiringPi num scheme
 	 * 0: placeholder
 	 * 1-31: WiringPi 1-31
 	*/
-	int pins[31];
+	int pins[32];
 	int pin;
 
 	wiringPiSetupPinType(WPI_PIN_WPI);
@@ -49,19 +73,7 @@ int main(int argc, char *argv[]) {
         switch (argc) {
         case 1: // print everything
 		get_all(pins);
-		printf("Pins 1-10:\n\t");
-                for (int i = 1; i <= 10; i++) {
-			printf("%d ", pins[i]);
-                }
-		printf("\nPins 11-20:\n\t");
-                for (int i = 11; i <= 20; i++) {
-			printf("%d ", pins[i]);
-                }
-		printf("\nPins 21-30:\n\t");
-                for (int i = 21; i <= 30; i++) {
-			printf("%d ", pins[i]);
-                }
-                putchar('\n');
+		print_all_pretty(pins);
                 break;
 	case 2: // print 1 pin
 		pin = atoi(argv[1]);