From 06cf12617c11cdd6fb3a727b0d53ba94606ce2fc Mon Sep 17 00:00:00 2001
From: raiden00pl <raiden00@railab.me>
Date: Wed, 18 Aug 2021 14:05:06 +0200
Subject: [PATCH] nucleo-f446re: add 3-phase Hall effect sensor support

---
 .../stm32/nucleo-f446re/src/nucleo-f446re.h   | 11 ++++++++++
 .../stm32/nucleo-f446re/src/stm32_bringup.c   | 22 +++++++++++++++++--
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/boards/arm/stm32/nucleo-f446re/src/nucleo-f446re.h b/boards/arm/stm32/nucleo-f446re/src/nucleo-f446re.h
index 7b9b3bf383..5e1e069f5f 100644
--- a/boards/arm/stm32/nucleo-f446re/src/nucleo-f446re.h
+++ b/boards/arm/stm32/nucleo-f446re/src/nucleo-f446re.h
@@ -216,6 +216,17 @@
 #define GPIO_FIRE     GPIO_BUTTON_2
 #define GPIO_JUMP     GPIO_BUTTON_3
 
+#ifdef CONFIG_SENSORS_HALL3PHASE
+/* GPIO pins used by the 3-phase Hall effect sensor */
+
+#  define GPIO_HALL_PHA (GPIO_INPUT | GPIO_SPEED_2MHz | \
+                         GPIO_PORTA | GPIO_PIN15)
+#  define GPIO_HALL_PHB (GPIO_INPUT | GPIO_SPEED_2MHz | \
+                         GPIO_PORTB | GPIO_PIN3)
+#  define GPIO_HALL_PHC (GPIO_INPUT | GPIO_SPEED_2MHz | \
+                         GPIO_PORTB | GPIO_PIN10)
+#endif
+
 /****************************************************************************
  * Public Data
  ****************************************************************************/
diff --git a/boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c b/boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c
index 773e1ff6e6..6f913aee56 100644
--- a/boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c
+++ b/boards/arm/stm32/nucleo-f446re/src/stm32_bringup.c
@@ -44,11 +44,15 @@
 #endif
 
 #ifdef CONFIG_SENSORS_QENCODER
-#include "board_qencoder.h"
+#  include "board_qencoder.h"
+#endif
+
+#ifdef CONFIG_SENSORS_HALL3PHASE
+#  include "board_hall3ph.h"
 #endif
 
 #ifdef CONFIG_VIDEO_FB
-#include <nuttx/video/fb.h>
+#  include <nuttx/video/fb.h>
 #endif
 
 #include "nucleo-f446re.h"
@@ -169,6 +173,20 @@ int stm32_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_SENSORS_HALL3PHASE
+  /* Initialize and register the 3-phase Hall effect sensor driver */
+
+  ret = board_hall3ph_initialize(0, GPIO_HALL_PHA, GPIO_HALL_PHB,
+                                 GPIO_HALL_PHC);
+  if (ret != OK)
+    {
+      syslog(LOG_ERR,
+             "ERROR: Failed to register the hall : %d\n",
+             ret);
+      return ret;
+    }
+#endif
+
 #ifdef CONFIG_INPUT_AJOYSTICK
   /* Initialize and register the joystick driver */