STM32F2: Add SYSCFG support.

Turn it on at init() time on F2.

Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/wirish/stm32f2/boards_setup.cpp b/wirish/stm32f2/boards_setup.cpp
index 9832bb7..d1ceac0 100644
--- a/wirish/stm32f2/boards_setup.cpp
+++ b/wirish/stm32f2/boards_setup.cpp
@@ -37,6 +37,7 @@
 #include "boards_private.h"
 
 #include <libmaple/gpio.h>
+#include <libmaple/syscfg.h>
 #include <wirish/wirish_types.h>
 
 // PLL configuration for 25 MHz external oscillator --> 120 MHz SYSCLK.
@@ -85,5 +86,10 @@ namespace wirish {
             // Nothing to do.
         }
 
+        void series_init(void) {
+            // We need SYSCFG for external interrupts
+            syscfg_init();
+        }
+
     }
 }