From c4678339908e413cbc6751cf863267807acafc85 Mon Sep 17 00:00:00 2001
From: Fredrik Thulin <fredrik@thulin.net>
Date: Sun, 28 Jun 2015 16:30:08 +0200
Subject: Enable dual USART output functionality.

In other words, enable the USART connected to the serial port on
the Raspberry Pi GPIO header.

Sending a newline to either USART directs the generated entropy
to that USART.
---
 src/entropy/stm_init.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/entropy/stm_init.h')

diff --git a/src/entropy/stm_init.h b/src/entropy/stm_init.h
index 6a5de19..d58c254 100644
--- a/src/entropy/stm_init.h
+++ b/src/entropy/stm_init.h
@@ -10,6 +10,7 @@
 #define LED_BLUE	GPIO_PIN_15
 
 extern UART_HandleTypeDef huart1;
+extern UART_HandleTypeDef huart2;
 extern DMA_HandleTypeDef hdma_tim;
 
 extern void stm_init(uint32_t *buf0, uint16_t counters);
-- 
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