Diff: CyThread.h

Revision:

0:c555ee16b8e7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CyThread.h	Fri Sep 13 05:19:16 2013 +0000
@@ -0,0 +1,102 @@
+#ifndef _THREAD_CNHZCY14_
+#define _THREAD_CNHZCY14_
+
+#include <stdint.h>
+#include "cmsis_os.h"
+
+
+namespace cnhzcy14
+{
+
+class CyThread
+{
+public:
+    /** Create a new thread, and start it executing the specified function.
+    @param task function to be executed by this thread.
+    @param argument pointer that is passed to the thread function as start argument. (default: NULL).
+    @param priority initial priority of the thread function. (default: osPriorityNormal).
+    @param stack_size stack size (in bytes) requirements for the thread function. (default: DEFAULT_STACK_SIZE).
+    @param stack_pointer pointer to the stack area to be used by this thread (default: NULL).
+    */
+    CyThread();
+    
+    void init(void (*task)(void const *argument), void *argument=NULL,
+           osPriority priority=osPriorityNormal,
+           uint32_t stack_size=DEFAULT_STACK_SIZE,
+           unsigned char *stack_pointer=NULL);
+
+    /** Terminate execution of a thread and remove it from Active Threads
+    @return status code that indicates the execution status of the function.
+    */
+    osStatus terminate();
+
+    /** Set priority of an active thread
+    @param priority new priority value for the thread function.
+    @return status code that indicates the execution status of the function.
+    */
+    osStatus set_priority(osPriority priority);
+
+    /** Get priority of an active thread
+    @return current priority value of the thread function.
+    */
+    osPriority get_priority();
+
+    /** Set the specified Signal Flags of an active thread.
+    @param signals specifies the signal flags of the thread that should be set.
+    @return previous signal flags of the specified thread or 0x80000000 in case of incorrect parameters.
+    */
+    int32_t signal_set(int32_t signals);
+
+    /** State of the Thread */
+    enum State {
+        Inactive, /**< Not created or terminated */
+        Ready, /**< Ready to run */
+        Running, /**< Running */
+        WaitingDelay, /**< Waiting for a delay to occur */
+        WaitingInterval, /**< Waiting for an interval to occur */
+        WaitingOr, /**< Waiting for one event in a set to occur */
+        WaitingAnd, /**< Waiting for multiple events in a set to occur */
+        WaitingSemaphore, /**< Waiting for a semaphore event to occur */
+        WaitingMailbox, /**< Waiting for a mailbox event to occur */
+        WaitingMutex, /**< Waiting for a mutex event to occur */
+    };
+
+    /** State of this Thread
+    @return the State of this Thread
+    */
+//    State get_state();
+
+    /** Wait for one or more Signal Flags to become signaled for the current RUNNING thread.
+    @param signals wait until all specified signal flags set or 0 for any single signal flag.
+    @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever).
+    @return event flag information or error code.
+    */
+    static osEvent signal_wait(int32_t signals, uint32_t millisec=osWaitForever);
+
+    /** Wait for a specified time period in millisec:
+    @param millisec time delay value
+    @return status code that indicates the execution status of the function.
+    */
+    static osStatus wait(uint32_t millisec);
+
+    /** Pass control to next thread that is in state READY.
+    @return status code that indicates the execution status of the function.
+    */
+    static osStatus yield();
+
+    /** Get the thread id of the current running thread.
+    @return thread ID for reference by other functions or NULL in case of error.
+    */
+    static osThreadId gettid();
+
+    virtual ~CyThread();
+
+private:
+//    osThreadId _tid;
+    osThreadDef_t _thread_def;
+    bool _dynamic_stack;
+};
+
+}
+
+#endif //_THREAD_CNHZCY14_
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