Diff: Task.h

Revision:

0:0c5255720d77

Child:

1:381a6f6263c7

diff -r 000000000000 -r 0c5255720d77 Task.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Task.h	Mon Dec 22 01:06:33 2014 +0000
@@ -0,0 +1,89 @@
+#ifndef TASK_H
+#define TASK_H
+
+#include <cstdio>
+#include <cstdarg>
+#include "mbed.h"
+#include "rtos.h"
+
+using namespace std;
+
+typedef enum {
+    LOG_DEBUG = 0,
+    LOG_INFO,
+    LOG_WARN,
+    LOG_ERR
+} LogLevel;
+
+#define MAX_MAIL_NUM 16
+#define LOG_BUF_SIZE 64
+
+typedef void (*Routine)(void const *argument);
+typedef uint32_t MessageID;
+typedef uint32_t TaskID;
+
+struct TaskConfig {
+    TaskConfig(
+        const char *task_name,
+        Routine func,
+        osPriority task_priority = osPriorityNormal,
+        uint32_t stack_size = DEFAULT_STACK_SIZE,
+        unsigned char *stack_pointer = NULL
+    ) {
+        name         = task_name;
+        routine      = func;
+        priority     = task_priority;
+        stackSize    = stack_size;
+        stackPointer = stack_pointer;
+    }
+    const char *name;
+    Routine routine;
+    osPriority priority;
+    uint32_t stackSize;
+    unsigned char *stackPointer;
+};
+
+struct MailPacket {
+    uint32_t messageId;
+    void *packet;
+};
+
+typedef Mail<MailPacket, MAX_MAIL_NUM> MailBox;
+
+class Task {
+public:
+    static void init(TaskConfig *config, uint32_t num_of_task);
+    static void sendMail(TaskID task_id, MessageID message_id, void *packet);
+    static int readClock();
+
+    Thread *thread;
+    MailPacket *waitMail();
+    void deleteMail(MailPacket *mail);
+    void log(LogLevel lv, const char *format, ...);
+
+    class Logger {
+    public:
+        Logger(const char *task_name, Stream *sp = Logger::sci);
+        static void setLogLevel(LogLevel lv);
+        void setLogStream(Stream *sp);
+        static const char *lvSym[];
+        static Stream *sci;
+        static LogLevel lv;
+        Stream *sp;        
+        const char *tag;
+        char buf[LOG_BUF_SIZE];
+    };
+
+private:
+    Task(TaskConfig *config);
+    ~Task();
+
+    static Timer clock;
+    static Task **taskTable;
+    static TaskConfig *taskConfig;
+
+    MailBox mbox;
+    Logger  *logger;
+};
+
+#endif