diff options
Diffstat (limited to 'os/hal/ports/NRF51/NRF51822/hal_ext_lld_isr.c')
-rw-r--r-- | os/hal/ports/NRF51/NRF51822/hal_ext_lld_isr.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/os/hal/ports/NRF51/NRF51822/hal_ext_lld_isr.c b/os/hal/ports/NRF51/NRF51822/hal_ext_lld_isr.c new file mode 100644 index 0000000..bdb25da --- /dev/null +++ b/os/hal/ports/NRF51/NRF51822/hal_ext_lld_isr.c @@ -0,0 +1,110 @@ +/*
+ 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 NRF51x22/ext_lld_isr.h
+ * @brief NRF51x22 EXT subsystem low level driver ISR code.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+#include "ext_lld_isr.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/**
+ * @brief EXTI[0]...EXTI[1] interrupt handler.
+ *
+ * @isr
+ */
+OSAL_IRQ_HANDLER(Vector58) {
+
+ OSAL_IRQ_PROLOGUE();
+
+ if (NRF_GPIOTE->EVENTS_IN[0])
+ {
+ NRF_GPIOTE->EVENTS_IN[0] = 0;
+ EXTD1.config->channels[0].cb(&EXTD1, 0);
+ }
+ if (NRF_GPIOTE->EVENTS_IN[1])
+ {
+ NRF_GPIOTE->EVENTS_IN[1] = 0;
+ EXTD1.config->channels[1].cb(&EXTD1, 1);
+ }
+ if (NRF_GPIOTE->EVENTS_IN[2])
+ {
+ NRF_GPIOTE->EVENTS_IN[2] = 0;
+ EXTD1.config->channels[2].cb(&EXTD1, 2);
+ }
+ if (NRF_GPIOTE->EVENTS_IN[3])
+ {
+ NRF_GPIOTE->EVENTS_IN[3] = 0;
+ EXTD1.config->channels[3].cb(&EXTD1, 3);
+ }
+
+ OSAL_IRQ_EPILOGUE();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Enables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_enable(void) {
+
+ nvicEnableVector(GPIOTE_IRQn, NRF51_EXT_GPIOTE_IRQ_PRIORITY);
+}
+
+/**
+ * @brief Disables EXTI IRQ sources.
+ *
+ * @notapi
+ */
+void ext_lld_exti_irq_disable(void) {
+
+ nvicDisableVector(GPIOTE_IRQn);
+}
+
+#endif /* HAL_USE_EXT */
+
+/** @} */
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