Norimasa Okamoto / Mbed 2 deprecated BaseUsbHost_example

BaseUsbHost example program

Dependencies:   BaseUsbHost FATFileSystem mbed mbed-rtos

MyThread/MyThread.h@5:495f7536897b, 2013-01-25 (annotated)

Committer:
va009039
Date:
Fri Jan 25 14:55:08 2013 +0000
Revision:
5:495f7536897b
Parent:
2:c10029b87439 
update library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 2:c10029b87439 1 // MyThread.h 2012/12/9
va009039 2:c10029b87439 2 #ifndef MY_THREAD_H
va009039 2:c10029b87439 3 #define MY_THREAD_H
va009039 2:c10029b87439 4
va009039 2:c10029b87439 5 #define MAGIC_WORD 0xE25A2EA5
va009039 2:c10029b87439 6 static void thread_handler(void const *argument);
va009039 2:c10029b87439 7
va009039 2:c10029b87439 8 class MyThread {
va009039 2:c10029b87439 9 public:
va009039 2:c10029b87439 10 MyThread() {
va009039 2:c10029b87439 11 m_stack_size = DEFAULT_STACK_SIZE;
va009039 2:c10029b87439 12 m_stack_pointer = NULL;
va009039 2:c10029b87439 13 }
va009039 2:c10029b87439 14 void set_stack(uint32_t stack_size=DEFAULT_STACK_SIZE, uint8_t* stack_pointer = NULL) {
va009039 2:c10029b87439 15 m_stack_size = stack_size;
va009039 2:c10029b87439 16 m_stack_pointer = stack_pointer;
va009039 2:c10029b87439 17 }
va009039 2:c10029b87439 18 virtual void run() = 0;
va009039 2:c10029b87439 19 Thread* start(osPriority priority=osPriorityNormal) {
va009039 2:c10029b87439 20 if (m_stack_pointer == NULL) {
va009039 2:c10029b87439 21 m_stack_pointer = reinterpret_cast<uint8_t*>(malloc(m_stack_size));
va009039 2:c10029b87439 22 }
va009039 2:c10029b87439 23 for(int i = 0; i < m_stack_size-64; i += 4) {
va009039 2:c10029b87439 24 *reinterpret_cast<uint32_t*>(m_stack_pointer+i) = MAGIC_WORD;
va009039 2:c10029b87439 25 }
va009039 2:c10029b87439 26 return th = new Thread(thread_handler, this, priority, m_stack_size, m_stack_pointer);
va009039 2:c10029b87439 27 }
va009039 2:c10029b87439 28
va009039 2:c10029b87439 29 int stack_used() {
va009039 2:c10029b87439 30 int i;
va009039 2:c10029b87439 31 for(i = 0; i < m_stack_size; i += 4) {
va009039 2:c10029b87439 32 if(*reinterpret_cast<uint32_t*>(m_stack_pointer+i) != MAGIC_WORD) {
va009039 2:c10029b87439 33 break;
va009039 2:c10029b87439 34 }
va009039 2:c10029b87439 35 }
va009039 2:c10029b87439 36 return m_stack_size - i;
va009039 2:c10029b87439 37 }
va009039 2:c10029b87439 38
va009039 2:c10029b87439 39 int stack_size() { return m_stack_size; }
va009039 2:c10029b87439 40 protected:
va009039 2:c10029b87439 41 Thread* th;
va009039 2:c10029b87439 42 uint32_t m_stack_size;
va009039 2:c10029b87439 43 uint8_t* m_stack_pointer;
va009039 2:c10029b87439 44 };
va009039 2:c10029b87439 45 static void thread_handler(void const *argument) {
va009039 2:c10029b87439 46 MyThread* th = (MyThread*)argument;
va009039 2:c10029b87439 47 if (th) {
va009039 2:c10029b87439 48 th->run();
va009039 2:c10029b87439 49 }
va009039 2:c10029b87439 50 }
va009039 2:c10029b87439 51
va009039 2:c10029b87439 52 #endif //MY_THREAD_H