update example

1 files changed, 5 insertions, 1 deletions

diff --git a/hw/bsp/rp2040/family.c b/hw/bsp/rp2040/family.c
index 8c85c5cc8..a22924131 100644
--- a/hw/bsp/rp2040/family.c
+++ b/hw/bsp/rp2040/family.c
@@ -254,7 +254,7 @@ size_t board_get_unique_id(uint8_t id[], size_t max_len) {
 int board_uart_read(uint8_t *buf, int len) {
 #ifdef UART_DEV
   int count = 0;
-  while ( (count < len) && uart_is_readable(uart_inst) ) {
+  while ((count < len) && uart_is_readable(uart_inst)) {
     buf[count] = uart_getc(uart_inst);
     count++;
   }
@@ -282,6 +282,10 @@ int board_getchar(void) {
   return getchar_timeout_us(0);
 }
 
+void board_putchar(int c) {
+  stdio_putchar(c);
+}
+
 //--------------------------------------------------------------------+
 // USB Interrupt Handler
 // rp2040 implementation will install appropriate handler when initializing