From c2e3541c05c801708f1a8ef413d3554f7d8ef8b9 Mon Sep 17 00:00:00 2001
From: Angus Gratton <gus@projectgus.com>
Date: Sun, 11 Oct 2015 09:21:30 +1100
Subject: [PATCH] Disable default line-buffering of stdout

As discussed in #52. Application can re-enable buffering on stdout with setbuf() or setbuf()
---
 core/app_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/app_main.c b/core/app_main.c
index 316cb6d..a710c77 100644
--- a/core/app_main.c
+++ b/core/app_main.c
@@ -431,6 +431,8 @@ static void user_start_phase2(void) {
     phy_info = malloc(PHY_INFO_SIZE);
     sdk_spi_flash_read(sdk_flashchip.chip_size - sdk_flashchip.sector_size * 4, (uint32_t *)phy_info, PHY_INFO_SIZE);
 
+    // Disable default buffering on stdout
+    setbuf(stdout, NULL);
     // Wait for UARTs to finish sending anything in their queues.
     uart_flush_txfifo(0);
     uart_flush_txfifo(1);