From 7ad7527e81a3e89137f8f895204051b7ef881e87 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Tue, 25 Sep 2018 16:17:26 +0900
Subject: [PATCH] Add defninitions of EXTI use for FST-01SZ.

---
 board/board-fst-01sz.h | 12 +++++++++++-
 mcu/stm32f103.h        |  2 ++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/board/board-fst-01sz.h b/board/board-fst-01sz.h
index c161753..78420ed 100644
--- a/board/board-fst-01sz.h
+++ b/board/board-fst-01sz.h
@@ -22,7 +22,7 @@
  * Port A setup.
  * PA0  - input with pull-up: AN0 for NeuG
  * PA1  - input with pull-up: AN1 for NeuG
- * PA3  - input with pull-up: Hall sensor output
+ * PA3  - input with pull-up: Hall effect sensor output
  * PA8  - Push pull output 10MHz 0 default (LED 1:ON 0:OFF)
  * PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
  * PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
@@ -35,3 +35,13 @@
 
 #define RCC_ENR_IOP_EN      RCC_APB2ENR_IOPAEN
 #define RCC_RSTR_IOP_RST    RCC_APB2RSTR_IOPARST
+
+#if 0 /* For PA, AFIO setting is not needed.  */
+#define AFIO_EXTICR_INDEX     0
+#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR1_EXTI3_PA
+#endif
+
+#define EXTI_PR               EXTI_PR_PR3
+#define EXTI_IMR              EXTI_IMR_MR3
+#define EXTI_RTSR_TR          EXTI_RTSR_TR3
+#define INTR_REQ_EXTI         EXTI3_IRQ
diff --git a/mcu/stm32f103.h b/mcu/stm32f103.h
index e271e2e..12cec0d 100644
--- a/mcu/stm32f103.h
+++ b/mcu/stm32f103.h
@@ -574,6 +574,8 @@ static struct EXTI *const EXTI = (struct EXTI *)EXTI_BASE;
 #define EXTI0_IRQ    6
 #define EXTI1_IRQ    7
 #define EXTI2_IRQ    8
+#define EXTI3_IRQ    9
+#define EXTI4_IRQ   10
 #define EXTI9_5_IRQ 23
 #define TIM2_IRQ    28
 #define TIM3_IRQ    29