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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-01-28 10:03:16 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2014-01-28 10:03:16 +0000
commit6d6546dac1f6d8848df3037b7c32176c34745b1c (patch)
tree90e354558fd523fa004757c56fdc0d65bad890a5 /os/nil
parentcae2586a0a9f7ebe67bdf29974510066d046af3d (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6650 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/nil')
-rw-r--r--os/nil/ports/AVR/nilcore.h15
-rw-r--r--os/nil/ports/AVR/nilcore_timer.h129
2 files changed, 139 insertions, 5 deletions
diff --git a/os/nil/ports/AVR/nilcore.h b/os/nil/ports/AVR/nilcore.h
index 32d2ea835..6394eeb0b 100644
--- a/os/nil/ports/AVR/nilcore.h
+++ b/os/nil/ports/AVR/nilcore.h
@@ -238,10 +238,7 @@ struct port_intctx {
* @details This macro must be inserted at the end of all IRQ handlers
* enabled to invoke system APIs.
*/
-#define PORT_IRQ_EPILOGUE() { \
- if (chSchIsRescRequiredI()) \
- chSchRescheduleS(); \
-}
+#define PORT_IRQ_EPILOGUE() chSchRescheduleS()
/**
* @brief IRQ handler function declaration.
@@ -255,7 +252,7 @@ struct port_intctx {
* @note @p id can be a function name or a vector number depending on the
* port implementation.
*/
-#define PORT_FAST_IRQ_HANDLER(id) void id(void)
+#define PORT_FAST_IRQ_HANDLER(id) ISR(id)
/**
* @brief Performs a context switch between two threads.
@@ -345,6 +342,7 @@ static inline bool port_is_isr_context(void) {
*/
static inline void port_lock(void) {
+ asm volatile ("cli" : : : "memory");
}
/**
@@ -352,10 +350,12 @@ static inline void port_lock(void) {
*/
static inline void port_unlock(void) {
+ asm volatile ("sei" : : : "memory");
}
/**
* @brief Kernel-lock action from an interrupt handler.
+ * @note This function is empty in this port.
*/
static inline void port_lock_from_isr(void) {
@@ -363,6 +363,7 @@ static inline void port_lock_from_isr(void) {
/**
* @brief Kernel-unlock action from an interrupt handler.
+ * @note This function is empty in this port.
*/
static inline void port_unlock_from_isr(void) {
@@ -373,6 +374,7 @@ static inline void port_unlock_from_isr(void) {
*/
static inline void port_disable(void) {
+ asm volatile ("cli" : : : "memory");
}
/**
@@ -380,6 +382,7 @@ static inline void port_disable(void) {
*/
static inline void port_suspend(void) {
+ asm volatile ("cli" : : : "memory");
}
/**
@@ -387,6 +390,7 @@ static inline void port_suspend(void) {
*/
static inline void port_enable(void) {
+ asm volatile ("sei" : : : "memory");
}
/**
@@ -398,6 +402,7 @@ static inline void port_enable(void) {
*/
static inline void port_wait_for_interrupt(void) {
+ asm volatile ("sleep" : : : "memory");
}
/**
diff --git a/os/nil/ports/AVR/nilcore_timer.h b/os/nil/ports/AVR/nilcore_timer.h
new file mode 100644
index 000000000..0eadcf12a
--- /dev/null
+++ b/os/nil/ports/AVR/nilcore_timer.h
@@ -0,0 +1,129 @@
+/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file AVR/nilcore_timer.h
+ * @brief System timer header file.
+ *
+ * @addtogroup AVR_TIMER
+ * @{
+ */
+
+#ifndef _NILCORE_TIMER_H_
+#define _NILCORE_TIMER_H_
+
+/* This is the only header in the HAL designed to be include-able alone.*/
+/*#include "st.h"*/
+
+/*===========================================================================*/
+/* Module constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#error "tickless mode not yet implemented in AVR port"
+
+/*===========================================================================*/
+/* Module data structures and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Module inline functions. */
+/*===========================================================================*/
+
+#if 0
+/**
+ * @brief Starts the alarm.
+ * @note Makes sure that no spurious alarms are triggered after
+ * this call.
+ *
+ * @param[in] time the time to be set for the first alarm
+ *
+ * @notapi
+ */
+static inline void port_timer_start_alarm(systime_t time) {
+
+ stStartAlarm(time);
+}
+
+/**
+ * @brief Stops the alarm interrupt.
+ *
+ * @notapi
+ */
+static inline void port_timer_stop_alarm(void) {
+
+ stStopAlarm();
+}
+
+/**
+ * @brief Sets the alarm time.
+ *
+ * @param[in] time the time to be set for the next alarm
+ *
+ * @notapi
+ */
+static inline void port_timer_set_alarm(systime_t time) {
+
+ stSetAlarm(time);
+}
+
+/**
+ * @brief Returns the system time.
+ *
+ * @return The system time.
+ *
+ * @notapi
+ */
+static inline systime_t port_timer_get_time(void) {
+
+ return stGetCounter();
+}
+
+/**
+ * @brief Returns the current alarm time.
+ *
+ * @return The currently set alarm time.
+ *
+ * @notapi
+ */
+static inline systime_t port_timer_get_alarm(void) {
+
+ return stGetAlarm();
+}
+#endif
+
+#endif /* _NILCORE_TIMER_H_ */
+
+/** @} */