From 6ea04f1f6be11fb8633beff35f1ff5904a66f972 Mon Sep 17 00:00:00 2001
From: Paul Mathieu <paulmathieu@google.com>
Date: Sun, 14 Mar 2021 12:18:01 -0700
Subject: [PATCH] dsp: some UART logging \o/

---
 dsp/main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dsp/main.c b/dsp/main.c
index 06cd6ce..591711f 100644
--- a/dsp/main.c
+++ b/dsp/main.c
@@ -16,18 +16,25 @@ int main() {
     uint16_t period;
     if (c == 'c') {
       period = 1493;  // C4, 262.63 Hz, maybe
+      uart_writen(uart0, "C4\r\n", 4);
     } else if (c == 'd') {
       period = 1330;  // D4, 293.66 Hz, maybe
+      uart_writen(uart0, "D4\r\n", 4);
     } else if (c == 'e') {
       period = 1185;  // E4, 329.63 Hz, maybe
+      uart_writen(uart0, "E4\r\n", 4);
     } else if (c == 'f') {
       period = 1119;  // F4, 249.23 Hz, maybe
+      uart_writen(uart0, "F4\r\n", 4);
     } else if (c == 'g') {
       period = 996;  //  G4, 392.00 Hz, maybe
+      uart_writen(uart0, "G4\r\n", 4);
     } else if (c == 'a') {
       period = 887;  //  A4, 440.00 Hz, maybe
+      uart_writen(uart0, "A4\r\n", 4);
     } else if (c == 'b') {
       period = 791;  //  B4, 493.88 Hz, maybe
+      uart_writen(uart0, "B4\r\n", 4);
     }
 
     square0->period = period;