From a4005ade77daa0cfe3fdac88973f72912dceb835 Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paulmathieu@google.com>
Date: Sat, 20 Mar 2021 21:27:36 -0700
Subject: [PATCH] dsp: small refactor

---
 dsp/main.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/dsp/main.c b/dsp/main.c
index fd4cae3..f001c8e 100644
--- a/dsp/main.c
+++ b/dsp/main.c
@@ -27,34 +27,34 @@ int main() {
 
   while(1) {
     uint8_t c = uart_read(uart0);
-    uint16_t period;
+    uint16_t period = 0;
     if (c == 'c') {
       led0->output = 1;
       period = 1493;  // C4, 262.63 Hz, maybe
-      uart_writen(uart0, "C4\r\n", 4);
+      log("C4\r\n");
     } else if (c == 'd') {
       period = 1330;  // D4, 293.66 Hz, maybe
-      uart_writen(uart0, "D4\r\n", 4);
+      log("D4\r\n");
       led0->output = 2;
     } else if (c == 'e') {
       period = 1185;  // E4, 329.63 Hz, maybe
-      uart_writen(uart0, "E4\r\n", 4);
+      log("E4\r\n");
       led0->output = 4;
     } else if (c == 'f') {
       period = 1119;  // F4, 249.23 Hz, maybe
-      uart_writen(uart0, "F4\r\n", 4);
+      log("F4\r\n");
       led0->output = 8;
     } else if (c == 'g') {
       period = 996;  //  G4, 392.00 Hz, maybe
-      uart_writen(uart0, "G4\r\n", 4);
+      log("G4\r\n");
       led0->output = 16;
     } else if (c == 'a') {
       period = 887;  //  A4, 440.00 Hz, maybe
-      uart_writen(uart0, "A4\r\n", 4);
+      log("A4\r\n");
       led0->output = 32;
     } else if (c == 'b') {
       period = 791;  //  B4, 493.88 Hz, maybe
-      uart_writen(uart0, "B4\r\n", 4);
+      log("B4\r\n");
       led0->output = 64;
     } else {
       led0->output = 37;