uart: upgrade C api

2021-03-13 15:49:28 -08:00
parent 5d5eeb45cc
commit 75b5488b8d
4 changed files with 27 additions and 20 deletions
--- a/uart/ledctrl.c
+++ b/uart/ledctrl.c
@@ -1,13 +1,15 @@
 #include "led.h"
 #include "uart.h"

+#define uart0 ((struct uart*)0xc010)
+
 int main() {
  int c;
  int led = 0;

  while (1) {
    led_write(1 << led);
-    c = uart_read();
+    c = uart_read(uart0);

    if (c == 'a') {
      led++;