/examples/ cleanups.

1 files changed, 8 insertions, 9 deletions

diff --git a/examples/vga-scope.cpp b/examples/vga-scope.cpp
index 66e72e9..9aa8bcb 100644
--- a/examples/vga-scope.cpp
+++ b/examples/vga-scope.cpp
@@ -40,7 +40,6 @@
 
 // FIXME: generalize for Native and Mini
 
-#define LED_PIN     BOARD_LED_PIN
 #define ANALOG_PIN 18
 
 // Pinouts -- you also must change the GPIO macros below if you change
@@ -90,9 +89,9 @@ void isr_stop(void);
 void isr_update(void);
 
 void setup() {
-    pinMode(LED_PIN, OUTPUT);
+    pinMode(BOARD_LED_PIN, OUTPUT);
     pinMode(ANALOG_PIN, INPUT_ANALOG);
-    digitalWrite(LED_PIN, 1);
+    digitalWrite(BOARD_LED_PIN, 1);
     pinMode(VGA_R, OUTPUT);
     pinMode(VGA_G, OUTPUT);
     pinMode(VGA_B, OUTPUT);
@@ -138,26 +137,26 @@ void setup() {
 uint16 y = 0;
 uint16 val = 0;
 bool v_active = true;
-const uint16 x_max = 60;        // empirically (and lazily) determined
+const uint16 x_max = 60;        // empirically (and sloppily) determined
 
 void isr_porch(void) {
     VGA_H_HIGH;
     y++;
     val = map(analogRead(ANALOG_PIN), 0, 4095, 0, x_max);
-    if(y >= 523) {
+    if (y >= 523) {
         y = 1;
         v_active = true;
         return;
     }
-    if(y >= 492) {
+    if (y >= 492) {
         VGA_V_HIGH;
         return;
     }
-    if(y >= 490) {
+    if (y >= 490) {
         VGA_V_LOW;
         return;
     }
-    if(y >= 479) {
+    if (y >= 479) {
         v_active = false;
         return;
     }
@@ -199,7 +198,7 @@ __attribute__((constructor)) void premain() {
 int main(void) {
     setup();
 
-    while (1) {
+    while (true) {
         loop();
     }
     return 0;