Made PAL callback and wait APIs independent from each other.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10543 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 19 insertions, 15 deletions

diff --git a/os/hal/ports/STM32/LLD/GPIOv1/hal_pal_lld.c b/os/hal/ports/STM32/LLD/GPIOv1/hal_pal_lld.c
index be8f7e829..84f0be664 100644
--- a/os/hal/ports/STM32/LLD/GPIOv1/hal_pal_lld.c
+++ b/os/hal/ports/STM32/LLD/GPIOv1/hal_pal_lld.c
@@ -80,6 +80,14 @@ palevent_t _pal_events[16];
  */

 void _pal_lld_init(const PALConfig *config) {

 

+#if PAL_USE_CALLBACKS || PAL_USE_WAIT || defined(__DOXYGEN__)

+  unsigned i;

+

+  for (i = 0; i < 16; i++) {

+    _pal_init_event(i);

+  }

+#endif

+

   /*

    * Enables the GPIO related clocks.

    */

@@ -183,24 +191,20 @@ void _pal_lld_setgroupmode(ioportid_t port,
   port->CRL = (port->CRL & ml) | crl;

 }

 

+#if PAL_USE_CALLBACKS || PAL_USE_WAIT || defined(__DOXYGEN__)

 /**

  * @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

  */

 void _pal_lld_enablepadevent(ioportid_t port,

                              iopadid_t pad,

-                             ioeventmode_t mode,

-                             palcallback_t callback,

-                             void *arg) {

+                             ioeventmode_t mode) {

 

   uint32_t padmask, cridx, crmask, portidx;

 

@@ -218,7 +222,7 @@ void _pal_lld_enablepadevent(ioportid_t port,
   crmask = ~(0xFU << (((uint32_t)pad & 3U) * 4U));

 

   /* Port index is obtained assuming that GPIO ports are placed at regular

-     0x400 intervalis in memory space. So far this is true for all devices.*/

+     0x400 intervals in memory space. So far this is true for all devices.*/

   portidx = (uint32_t)port >> 10U;

 

   /* Port selection in SYSCFG.*/

@@ -237,14 +241,11 @@ void _pal_lld_enablepadevent(ioportid_t port,
   /* Programming interrupt and event registers.*/

   EXTI->IMR |= padmask;

   EXTI->EMR &= ~padmask;

-

-  /* Setting up callback and argument for this event.*/

-  _pal_set_event(pad, callback, arg);

 }

 

 /**

  * @brief   Pad event disable.

- * @details This function disables previously programmed event callbacks.

+ * @details This function also disables previously programmed event callbacks.

  *

  * @param[in] port      port identifier

  * @param[in] pad       pad number within the port

@@ -269,7 +270,7 @@ void _pal_lld_disablepadevent(ioportid_t port, iopadid_t pad) {
     croff = ((uint32_t)pad & 3U) * 4U;

 

     /* Port index is obtained assuming that GPIO ports are placed at regular

-       0x400 intervalis in memory space. So far this is true for all devices.*/

+       0x400 intervals in memory space. So far this is true for all devices.*/

     portidx = (uint32_t)port >> 10U;

 

     crport = (AFIO->EXTICR[cridx] >> croff) & 0xFU;

@@ -282,11 +283,14 @@ void _pal_lld_disablepadevent(ioportid_t port, iopadid_t pad) {
     EXTI->RTSR  = rtsr1 & ~padmask;

     EXTI->FTSR  = ftsr1 & ~padmask;

     EXTI->PR    = padmask;

-

-    /* Clearing callback and argument for this event.*/

-    _pal_clear_event(pad);

   }

+

+#if PAL_USE_CALLBACKS || PAL_USE_WAIT

+  /* Callback cleared and/or thread reset.*/

+  _pal_clear_event(pad);

+#endif

 }

+#endif /* PAL_USE_CALLBACKS || PAL_USE_WAIT */

 

 #endif /* HAL_USE_PAL */