From d671671f159cb6ba8c8ded9c9878cc33680bb729 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Fri, 1 Sep 2017 08:31:28 +0000
Subject: Callbacks handling added to STM32 GPIOv2, added F3 support to PAL
 callbacks demo.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10517 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h | 55 ++++++++++++++++++++++++++---
 1 file changed, 51 insertions(+), 4 deletions(-)

(limited to 'os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h')

diff --git a/os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h b/os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h
index 80b1a8fbc..ba90ccafd 100644
--- a/os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h
+++ b/os/hal/ports/STM32/LLD/GPIOv2/hal_pal_lld.h
@@ -86,12 +86,12 @@
  * @{
  */
 /**
- * @brief   This mode is implemented as input.
+ * @brief   Implemented as input.
  */
 #define PAL_MODE_RESET                  PAL_STM32_MODE_INPUT
 
 /**
- * @brief   This mode is implemented as input with pull-up.
+ * @brief   Implemented as input with pull-up.
  */
 #define PAL_MODE_UNCONNECTED            PAL_MODE_INPUT_PULLUP
 
@@ -233,7 +233,7 @@ typedef struct {
       uint16_t          clear;
     } H;
   } BSRR;
-  volatile uint32_t     LCKR;
+  volatile uint32_t     LOCKR;
   volatile uint32_t     AFRL;
   volatile uint32_t     AFRH;
   volatile uint32_t     BRR;
@@ -329,13 +329,23 @@ typedef uint32_t iomode_t;
 typedef uint32_t ioline_t;
 
 /**
- * @brief   Port Identifier.
+ * @brief   Type of an event mode.
+ */
+typedef uint32_t ioeventmode_t;
+
+/**
+ * @brief   Type of a port Identifier.
  * @details This type can be a scalar or some kind of pointer, do not make
  *          any assumption about it, use the provided macros when populating
  *          variables of this type.
  */
 typedef stm32_gpio_t * ioportid_t;
 
+/**
+ * @brief   Type of an pad identifier.
+ */
+typedef uint32_t iopadid_t;
+
 /*===========================================================================*/
 /* I/O Ports Identifiers.                                                    */
 /* The low level driver wraps the definitions already present in the STM32   */
@@ -539,7 +549,38 @@ typedef stm32_gpio_t * ioportid_t;
  */
 #define pal_lld_writepad(port, pad, bit) pal_lld_writegroup(port, 1, pad, bit)
 
+/**
+ * @brief   Pad event enable.
+ * @details This function programs an event callback in the specified mode.
+ * @note    Programming an unknown or unsupported mode is silently ignored.
+ *
+ * @param[in] port      port identifier
+ * @param[in] pad       pad number within the port
+ * @param[in] mode      pad event mode
+ * @param[in] callback  event callback function
+ * @param[in] arg       callback argument
+ *
+ * @notapi
+ */
+#define pal_lld_enablepadevent(port, pad, mode, callback, arg)              \
+  _pal_lld_enablepadevent(port, pad, mode, callback, arg)
+
+/**
+ * @brief   Pad event disable.
+ * @details This function disables previously programmed event callbacks.
+ *
+ * @param[in] port      port identifier
+ * @param[in] pad       pad number within the port
+ *
+ * @notapi
+ */
+#define pal_lld_disablepadevent(port, pad)                                  \
+  _pal_lld_disablepadevent(port, pad)
+
+#if !defined(__DOXYGEN__)
 extern const PALConfig pal_default_config;
+extern palevent_t _pal_events[16];
+#endif
 
 #ifdef __cplusplus
 extern "C" {
@@ -548,6 +589,12 @@ extern "C" {
   void _pal_lld_setgroupmode(ioportid_t port,
                              ioportmask_t mask,
                              iomode_t mode);
+  void _pal_lld_enablepadevent(ioportid_t port,
+                               iopadid_t pad,
+                               ioeventmode_t mode,
+                               palcallback_t callback,
+                               void *arg);
+  void _pal_lld_disablepadevent(ioportid_t port, iopadid_t pad);
 #ifdef __cplusplus
 }
 #endif
-- 
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