From a9b84aa0361442234a9c664dd06c97b6587e9d8c Mon Sep 17 00:00:00 2001
From: Konstantin Oblaukhov <oblaukhov.konstantin@gmail.com>
Date: Sat, 24 Nov 2018 21:45:27 +0700
Subject: NRF5: Add support for PAL events, EXT driver removed.

---
 os/hal/ports/NRF5/NRF51822/nrf51_isr.c | 96 ++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 os/hal/ports/NRF5/NRF51822/nrf51_isr.c

(limited to 'os/hal/ports/NRF5/NRF51822/nrf51_isr.c')

diff --git a/os/hal/ports/NRF5/NRF51822/nrf51_isr.c b/os/hal/ports/NRF5/NRF51822/nrf51_isr.c
new file mode 100644
index 0000000..9a2bd94
--- /dev/null
+++ b/os/hal/ports/NRF5/NRF51822/nrf51_isr.c
@@ -0,0 +1,96 @@
+/*
+    Copyright (C) 2018 Konstantin Oblaukhov
+    Copyright (C) 2015 Stephen Caudle
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    NRF51822/nrf51_isr.c
+ * @brief   NRF51822 ISR handler code.
+ *
+ * @addtogroup NRF51822_ISR
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   GPIOTE interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+  OSAL_IRQ_PROLOGUE();
+  
+  for (int ch = 0; ch < NRF5_GPIOTE_NUM_CHANNELS; ch++)
+  {
+    if (NRF_GPIOTE->EVENTS_IN[ch])
+    {
+        NRF_GPIOTE->EVENTS_IN[ch] = 0;
+        _pal_isr_code(ch);
+    }
+  }
+
+  OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+/**
+ * @brief   Enables IRQ sources.
+ *
+ * @notapi
+ */
+void irqInit(void) {
+
+#if HAL_USE_PAL
+  nvicEnableVector(GPIOTE_IRQn, NRF5_IRQ_GPIOTE_PRIORITY);
+#endif
+}
+
+/**
+ * @brief   Disables IRQ sources.
+ *
+ * @notapi
+ */
+void irqDeinit(void) {
+
+#if HAL_USE_PAL
+  nvicDisableVector(GPIOTE_IRQn);
+#endif
+}
+
+/** @} */
-- 
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