From cd5a2db73dde414e2eaeb2ef8e3aae279915c7bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Monda?= <laci@monda.hu>
Date: Mon, 22 May 2017 02:04:39 +0200
Subject: [PATCH] Use the "used" attribute, so that GCC won't remove
 BootloaderConfig as part of its optimization process.

---
 left/src/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/left/src/main.c b/left/src/main.c
index ca0910f..569fb64 100644
--- a/left/src/main.c
+++ b/left/src/main.c
@@ -60,7 +60,7 @@ typedef struct {
     uint8_t clockDivider; // Inverted value of the divider to use for core and bus clocks when in high speed mode.
 } bootloader_config_t;
 
-__attribute__((section(".BootloaderConfig"))) const bootloader_config_t BootloaderConfig = {
+__attribute__((used, section(".BootloaderConfig"))) const bootloader_config_t BootloaderConfig = {
     .tag = 0x6766636B,                    // Magic Number
     .enabledPeripherals = 0xE2,           // Enabled Peripheral: I2C
     .i2cSlaveAddress = 0x10,              // Use user-defined I2C address