Diff: Timer64.h

Revision:

0:1e0e79e82839

Child:

1:497fba179833

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Timer64.h	Sat Mar 26 21:44:41 2016 +0000
@@ -0,0 +1,79 @@
+#ifndef __NEW_TIMER64__
+#define __NEW_TIMER64__
+
+#include "platform.h"
+#include "ticker_api.h"
+#include <stdint.h>
+#include "rtos.h"
+
+#define TIMER64_OK                          0
+
+#define TIMER64_ERROR_NOT_INITIALIZED       -1
+
+#define TIMER64_WARNING_ALREADY_INITIALIZED 1
+#define TIMER64_WARNING_ALREADY_RUNNING     2
+#define TIMER64_WARNING_ALREADY_STOPPED     3
+
+#define TIMER64_15MINUTE_ROLLOVER_CHECK_IN_MSECS    900000
+#define TIMER64_MIN_ROLLOVER_CHECK_IN_MSECS         60000   // 0:01:00.000
+#define TIMER64_MAX_ROLLOVER_CHECK_IN_MSECS         2147483 // 0:35:47.483
+
+class Timer64
+{
+
+public:
+    Timer64();
+    Timer64(const ticker_data_t *data);
+
+    /** Initialize the timer
+     */
+    int init(uint32_t rolloverCheckTimeInMsecc = TIMER64_15MINUTE_ROLLOVER_CHECK_IN_MSECS);
+
+    /** Release the timer
+     */
+    int release(void);
+
+    /** Start the timer
+     */
+    int start(void);
+
+    /** Stop the timer
+     */
+    int stop(void);
+
+    /** Reset the timer to 0.
+     *
+     * If it was already counting, it will continue
+     */
+    int reset(void);
+
+    /** Get the time passed in seconds
+     */
+    double read(int* status = NULL);
+
+    /** Get the time passed in mili-seconds
+     */
+    uint64_t read_ms(int* status = NULL);
+
+    /** Get the time passed in micro-seconds
+     */
+    uint64_t read_us(int* status = NULL);
+
+#ifdef MBED_OPERATORS
+    operator double();
+    operator uint64_t();
+    operator uint32_t();
+#endif
+
+private:
+    bool _timerInitialized;
+    bool _timerRunning;                      // whether the timer is running
+    timestamp_t _tickerStartTimeUsec;   // the start time of the latest slice
+    uint64_t _totalTimeUsec;            // any accumulated time from previous slices
+    const ticker_data_t *_ticker_data;
+    RtosTimer* _rollOverCheckTimer;
+    uint32_t _rollOverCheckTimerPeriodInMsec;
+    static void _rollOverCheck(void const* args);
+};
+
+#endif