Matthew Sims / mbed

Lab 1 Program C

Dependents:   Lab1C

Fork of mbed by -deleted-

Timeout.h@44:1c5f591fce58, 2015-09-29 (annotated)

Committer:
mattsims12
Date:
Tue Sep 29 03:04:58 2015 +0000
Revision:
44:1c5f591fce58
Parent:
43:aff670d0d510 
Lab 1 Program C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon.ford@mbed.co.uk 9:cf0d45ce28a6 1 /* mbed Microcontroller Library - Timeout
rolf.meyer@arm.com 11:1c1ebd0324fa 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
rolf.meyer@arm.com 11:1c1ebd0324fa 3 */
rolf.meyer@arm.com 11:1c1ebd0324fa 4
simon.ford@mbed.co.uk 9:cf0d45ce28a6 5 #ifndef MBED_TIMEOUT_H
simon.ford@mbed.co.uk 9:cf0d45ce28a6 6 #define MBED_TIMEOUT_H
simon.ford@mbed.co.uk 9:cf0d45ce28a6 7
simon.ford@mbed.co.uk 9:cf0d45ce28a6 8 #include "Ticker.h"
simon.ford@mbed.co.uk 9:cf0d45ce28a6 9
simon.ford@mbed.co.uk 9:cf0d45ce28a6 10 namespace mbed {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 11
screamer 43:aff670d0d510 12 /** A Timeout is used to call a function at a point in the future
simon.ford@mbed.co.uk 9:cf0d45ce28a6 13 *
screamer 43:aff670d0d510 14 * You can use as many seperate Timeout objects as you require.
rolf.meyer@arm.com 11:1c1ebd0324fa 15 *
rolf.meyer@arm.com 11:1c1ebd0324fa 16 * Example:
screamer 43:aff670d0d510 17 * @code
screamer 43:aff670d0d510 18 * // Blink until timeout.
screamer 43:aff670d0d510 19 *
screamer 43:aff670d0d510 20 * #include "mbed.h"
screamer 43:aff670d0d510 21 *
screamer 43:aff670d0d510 22 * Timeout timeout;
screamer 43:aff670d0d510 23 * DigitalOut led(LED1);
screamer 43:aff670d0d510 24 *
screamer 43:aff670d0d510 25 * int on = 1;
screamer 43:aff670d0d510 26 *
screamer 43:aff670d0d510 27 * void attimeout() {
screamer 43:aff670d0d510 28 * on = 0;
screamer 43:aff670d0d510 29 * }
screamer 43:aff670d0d510 30 *
screamer 43:aff670d0d510 31 * int main() {
screamer 43:aff670d0d510 32 * timeout.attach(&attimeout, 5);
screamer 43:aff670d0d510 33 * while(on) {
screamer 43:aff670d0d510 34 * led = !led;
screamer 43:aff670d0d510 35 * wait(0.2);
screamer 43:aff670d0d510 36 * }
screamer 43:aff670d0d510 37 * }
screamer 43:aff670d0d510 38 * @endcode
simon.ford@mbed.co.uk 9:cf0d45ce28a6 39 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 40 class Timeout : public Ticker {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 41
simon.ford@mbed.co.uk 9:cf0d45ce28a6 42 #if 0 // For documentation
simon.ford@mbed.co.uk 9:cf0d45ce28a6 43
screamer 43:aff670d0d510 44 /** Attach a function to be called by the Timeout, specifiying the delay in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 45 *
screamer 43:aff670d0d510 46 * @param fptr pointer to the function to be called
screamer 43:aff670d0d510 47 * @param t the time before the call in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 48 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 49 void attach(void (*fptr)(void), float t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 50 attach_us(fptr, t * 1000000.0f);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 51 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 52
screamer 43:aff670d0d510 53 /** Attach a member function to be called by the Timeout, specifiying the delay in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 54 *
screamer 43:aff670d0d510 55 * @param tptr pointer to the object to call the member function on
screamer 43:aff670d0d510 56 * @param mptr pointer to the member function to be called
screamer 43:aff670d0d510 57 * @param t the time before the calls in seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 58 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 59 template<typename T>
simon.ford@mbed.co.uk 9:cf0d45ce28a6 60 void attach(T* tptr, void (T::*mptr)(void), float t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 61 attach_us(tptr, mptr, t * 1000000.0f);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 62 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 63
screamer 43:aff670d0d510 64 /** Attach a function to be called by the Timeout, specifiying the delay in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 65 *
screamer 43:aff670d0d510 66 * @param fptr pointer to the function to be called
screamer 43:aff670d0d510 67 * @param t the time before the call in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 68 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 69 void attach_us(void (*fptr)(void), unsigned int t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 70 _function.attach(fptr);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 71 setup(t);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 72 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 73
screamer 43:aff670d0d510 74 /** Attach a member function to be called by the Timeout, specifiying the delay in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 75 *
screamer 43:aff670d0d510 76 * @param tptr pointer to the object to call the member function on
screamer 43:aff670d0d510 77 * @param mptr pointer to the member function to be called
screamer 43:aff670d0d510 78 * @param t the time before the call in micro-seconds
simon.ford@mbed.co.uk 9:cf0d45ce28a6 79 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 80 template<typename T>
simon.ford@mbed.co.uk 9:cf0d45ce28a6 81 void attach_us(T* tptr, void (T::*mptr)(void), unsigned int t) {
simon.ford@mbed.co.uk 9:cf0d45ce28a6 82 _function.attach(tptr, mptr);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 83 setup(t);
simon.ford@mbed.co.uk 9:cf0d45ce28a6 84 }
simon.ford@mbed.co.uk 9:cf0d45ce28a6 85
screamer 43:aff670d0d510 86 /** Detach the function
simon.ford@mbed.co.uk 9:cf0d45ce28a6 87 */
simon.ford@mbed.co.uk 9:cf0d45ce28a6 88 void detach();
simon.ford@mbed.co.uk 9:cf0d45ce28a6 89
simon.ford@mbed.co.uk 9:cf0d45ce28a6 90 #endif
simon.ford@mbed.co.uk 9:cf0d45ce28a6 91
simon.ford@mbed.co.uk 9:cf0d45ce28a6 92 protected:
simon.ford@mbed.co.uk 9:cf0d45ce28a6 93
rolf.meyer@arm.com 11:1c1ebd0324fa 94 virtual void handler();
simon.ford@mbed.co.uk 9:cf0d45ce28a6 95
rolf.meyer@arm.com 11:1c1ebd0324fa 96 };
rolf.meyer@arm.com 11:1c1ebd0324fa 97
rolf.meyer@arm.com 11:1c1ebd0324fa 98 } // namespace mbed
simon.ford@mbed.co.uk 9:cf0d45ce28a6 99
simon.ford@mbed.co.uk 9:cf0d45ce28a6 100 #endif