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Dependents: mini_02

Fork of timer0 by V09

timer0.cpp@2:f63678f5ed05, 2016-03-10 (annotated)

Committer:: rs27
Date:: Thu Mar 10 20:34:59 2016 +0000
Revision:: 2:f63678f5ed05
Parent:: 1:3ab9e5cd87e7

Who changed what in which revision?

User	Revision	Line number	New contents of line
rs27	0:8d3e2b74d1d5	1	#include "mbed.h"
rs27	0:8d3e2b74d1d5	2	#include "timer0.h"
rs27	0:8d3e2b74d1d5	3
rs27	0:8d3e2b74d1d5	4
rs27	0:8d3e2b74d1d5	5	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	6	// Construktor initialisiert den Timer
rs27	0:8d3e2b74d1d5	7	timer0::timer0()
rs27	0:8d3e2b74d1d5	8	{
rs27	0:8d3e2b74d1d5	9	uint8_t i;
rs27	0:8d3e2b74d1d5	10
rs27	0:8d3e2b74d1d5	11	ms = 0;
rs27	0:8d3e2b74d1d5	12	sec = 0;
rs27	1:3ab9e5cd87e7	13	min = 0;
rs27	1:3ab9e5cd87e7	14	hours = 0;
rs27	1:3ab9e5cd87e7	15
rs27	0:8d3e2b74d1d5	16	// Initialize countdown timers
rs27	0:8d3e2b74d1d5	17	for (i=0; i < TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27	0:8d3e2b74d1d5	18	CountDownTimers[i].status = 0xFF;
rs27	0:8d3e2b74d1d5	19
rs27	0:8d3e2b74d1d5	20	ticker.attach_us(this, &timer0::func, 1000);
rs27	0:8d3e2b74d1d5	21	}
rs27	0:8d3e2b74d1d5	22
rs27	0:8d3e2b74d1d5	23	//--------------------------------------------------------
rs27	1:3ab9e5cd87e7	24	// Interruptroutine wird jede 1000µs aufgerufen, da das Senden von
rs27	1:3ab9e5cd87e7	25	// einem Zeichen ca. 100µs Zeit beansprucht
rs27	1:3ab9e5cd87e7	26
rs27	0:8d3e2b74d1d5	27	void timer0::func(void)
rs27	0:8d3e2b74d1d5	28	{
rs27	0:8d3e2b74d1d5	29	uint8_t i;
rs27	0:8d3e2b74d1d5	30
rs27	0:8d3e2b74d1d5	31	// Zeitbasis für Systemzeit
rs27	0:8d3e2b74d1d5	32	// ----- count down timers in ms -------------------------------------------------
rs27	0:8d3e2b74d1d5	33	for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27	0:8d3e2b74d1d5	34	{
rs27	0:8d3e2b74d1d5	35	if (CountDownTimers[i].status == 1)
rs27	0:8d3e2b74d1d5	36	{ // ms
rs27	0:8d3e2b74d1d5	37	if (CountDownTimers[i].count_timer > 0)
rs27	0:8d3e2b74d1d5	38	CountDownTimers[i].count_timer -- ;
rs27	0:8d3e2b74d1d5	39	if (CountDownTimers[i].count_timer == 0)
rs27	0:8d3e2b74d1d5	40	CountDownTimers[i].status = 0;
rs27	0:8d3e2b74d1d5	41	}
rs27	0:8d3e2b74d1d5	42	}
rs27	0:8d3e2b74d1d5	43
rs27	0:8d3e2b74d1d5	44	if (ms < 1000)
rs27	0:8d3e2b74d1d5	45	{
rs27	0:8d3e2b74d1d5	46	ms++;
rs27	0:8d3e2b74d1d5	47	}
rs27	0:8d3e2b74d1d5	48	else
rs27	0:8d3e2b74d1d5	49	{
rs27	0:8d3e2b74d1d5	50	ms = 0;
rs27	0:8d3e2b74d1d5	51
rs27	0:8d3e2b74d1d5	52	seconds++;
rs27	0:8d3e2b74d1d5	53	set_time(seconds);
rs27	0:8d3e2b74d1d5	54
rs27	2:f63678f5ed05	55	// ----- count down timers in seconds -------------------------------------------------
rs27	2:f63678f5ed05	56
rs27	0:8d3e2b74d1d5	57	for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27	0:8d3e2b74d1d5	58	{
rs27	0:8d3e2b74d1d5	59	if (CountDownTimers[i].status == 2)
rs27	0:8d3e2b74d1d5	60	{ // sekunden
rs27	0:8d3e2b74d1d5	61	if (CountDownTimers[i].count_timer > 0)
rs27	0:8d3e2b74d1d5	62	CountDownTimers[i].count_timer -- ;
rs27	0:8d3e2b74d1d5	63	if (CountDownTimers[i].count_timer == 0)
rs27	0:8d3e2b74d1d5	64	CountDownTimers[i].status = 0;
rs27	0:8d3e2b74d1d5	65	}
rs27	0:8d3e2b74d1d5	66	}
rs27	0:8d3e2b74d1d5	67
rs27	0:8d3e2b74d1d5	68	if (sec < 60)
rs27	0:8d3e2b74d1d5	69	{
rs27	0:8d3e2b74d1d5	70	sec++;
rs27	0:8d3e2b74d1d5	71	}
rs27	0:8d3e2b74d1d5	72	else
rs27	0:8d3e2b74d1d5	73	{
rs27	0:8d3e2b74d1d5	74	sec = 0;
rs27	2:f63678f5ed05	75
rs27	2:f63678f5ed05	76	// ----- count down timers in minuts -------------------------------------------------
rs27	2:f63678f5ed05	77
rs27	2:f63678f5ed05	78	for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27	2:f63678f5ed05	79	{
rs27	2:f63678f5ed05	80	if (CountDownTimers[i].status == 3)
rs27	2:f63678f5ed05	81	{ // sekunden
rs27	2:f63678f5ed05	82	if (CountDownTimers[i].count_timer > 0)
rs27	2:f63678f5ed05	83	CountDownTimers[i].count_timer -- ;
rs27	2:f63678f5ed05	84	if (CountDownTimers[i].count_timer == 0)
rs27	2:f63678f5ed05	85	CountDownTimers[i].status = 0;
rs27	2:f63678f5ed05	86	}
rs27	2:f63678f5ed05	87	}
rs27	2:f63678f5ed05	88
rs27	1:3ab9e5cd87e7	89	if (min < 60) min++;
rs27	1:3ab9e5cd87e7	90	else
rs27	1:3ab9e5cd87e7	91	{
rs27	1:3ab9e5cd87e7	92	min = 0;
rs27	1:3ab9e5cd87e7	93	if (hours < 24) hours++;
rs27	1:3ab9e5cd87e7	94	else hours = 0;
rs27	1:3ab9e5cd87e7	95	}
rs27	0:8d3e2b74d1d5	96	}
rs27	0:8d3e2b74d1d5	97	}
rs27	0:8d3e2b74d1d5	98
rs27	0:8d3e2b74d1d5	99	}
rs27	0:8d3e2b74d1d5	100
rs27	1:3ab9e5cd87e7	101
rs27	1:3ab9e5cd87e7	102	//--------------------------------------------------------
rs27	1:3ab9e5cd87e7	103	// Abfrage der Softwareuhr
rs27	1:3ab9e5cd87e7	104	//
rs27	1:3ab9e5cd87e7	105	// die Stunden, Minuten und Sekungen werden in einem Array zurückgegeben
rs27	1:3ab9e5cd87e7	106	// die millisekunden sind separat
rs27	1:3ab9e5cd87e7	107
rs27	1:3ab9e5cd87e7	108	void timer0::get_time_stamp(uint8_t tarray,uint16_t millis)
rs27	1:3ab9e5cd87e7	109	{
rs27	1:3ab9e5cd87e7	110	*millis = ms;
rs27	1:3ab9e5cd87e7	111	*tarray = hours;
rs27	1:3ab9e5cd87e7	112	tarray++;
rs27	1:3ab9e5cd87e7	113	*tarray = min;
rs27	1:3ab9e5cd87e7	114	tarray++;
rs27	1:3ab9e5cd87e7	115	*tarray = sec;
rs27	1:3ab9e5cd87e7	116	}
rs27	1:3ab9e5cd87e7	117
rs27	0:8d3e2b74d1d5	118	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	119	// Abfrage nach freiem Timer
rs27	0:8d3e2b74d1d5	120	//
rs27	0:8d3e2b74d1d5	121	// wenn alle Timer belegt sind wird 0xFF zurückgegebne
rs27	0:8d3e2b74d1d5	122
rs27	0:8d3e2b74d1d5	123	uint8_t timer0::AllocateCountdownTimer (void)
rs27	0:8d3e2b74d1d5	124	{
rs27	0:8d3e2b74d1d5	125	uint8_t i;
rs27	0:8d3e2b74d1d5	126
rs27	0:8d3e2b74d1d5	127	for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27	0:8d3e2b74d1d5	128	if (CountDownTimers[i].status == 0xFF)
rs27	0:8d3e2b74d1d5	129	{
rs27	0:8d3e2b74d1d5	130	CountDownTimers[i].status = 0x00; // Timer reserviert, nicht gestartet
rs27	0:8d3e2b74d1d5	131	// printf_P(PSTR("\rallocate timer [%03d] %d\n"),i,ListPointer);
rs27	0:8d3e2b74d1d5	132
rs27	0:8d3e2b74d1d5	133	return i;
rs27	0:8d3e2b74d1d5	134	}
rs27	0:8d3e2b74d1d5	135
rs27	0:8d3e2b74d1d5	136	return 0xFF;
rs27	0:8d3e2b74d1d5	137	}
rs27	0:8d3e2b74d1d5	138
rs27	0:8d3e2b74d1d5	139	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	140	// Timer wieder freigeben
rs27	0:8d3e2b74d1d5	141	void timer0::RemoveCountdownTimer(uint8_t timer)
rs27	0:8d3e2b74d1d5	142	{
rs27	0:8d3e2b74d1d5	143	CountDownTimers[timer].status = 0xFF;
rs27	0:8d3e2b74d1d5	144	}
rs27	0:8d3e2b74d1d5	145
rs27	0:8d3e2b74d1d5	146	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	147	// Abfrage ob Timer 0 erreicht hat
rs27	0:8d3e2b74d1d5	148	uint8_t timer0::GetTimerStatus(uint8_t timer)
rs27	0:8d3e2b74d1d5	149	{
rs27	0:8d3e2b74d1d5	150	return CountDownTimers[timer].status;
rs27	0:8d3e2b74d1d5	151	}
rs27	0:8d3e2b74d1d5	152
rs27	0:8d3e2b74d1d5	153	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	154	// Abfrage der verbleibenden Zeit
rs27	0:8d3e2b74d1d5	155	uint16_t timer0::GetTimerZeit(uint8_t timer)
rs27	0:8d3e2b74d1d5	156	{
rs27	0:8d3e2b74d1d5	157	return CountDownTimers[timer].count_timer;
rs27	0:8d3e2b74d1d5	158	}
rs27	0:8d3e2b74d1d5	159
rs27	0:8d3e2b74d1d5	160	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	161	// Timer aktivieren
rs27	0:8d3e2b74d1d5	162	void timer0::SetCountdownTimer(unsigned char timer, unsigned char status, unsigned short value)
rs27	0:8d3e2b74d1d5	163	{
rs27	0:8d3e2b74d1d5	164	CountDownTimers[timer].count_timer = value;
rs27	0:8d3e2b74d1d5	165	CountDownTimers[timer].status = status;
rs27	0:8d3e2b74d1d5	166	}
rs27	0:8d3e2b74d1d5	167
rs27	0:8d3e2b74d1d5	168	//--------------------------------------------------------
rs27	0:8d3e2b74d1d5	169	// Zeitstempel setzen
rs27	0:8d3e2b74d1d5	170	void timer0::Set_t(uint8_t * data)
rs27	0:8d3e2b74d1d5	171	{
rs27	0:8d3e2b74d1d5	172	char buffer[40];
rs27	0:8d3e2b74d1d5	173
rs27	0:8d3e2b74d1d5	174	t.tm_sec = data[0]; // Sekunden 0-59
rs27	0:8d3e2b74d1d5	175	t.tm_min = data[1]; // Minuten 0-59
rs27	0:8d3e2b74d1d5	176	t.tm_hour = data[2]; // Stunden 0-23
rs27	0:8d3e2b74d1d5	177	t.tm_mday = data[3]; // Tag 1-31
rs27	0:8d3e2b74d1d5	178	t.tm_mon = data[4] - 1; // Monat 0-11 0 = Januar
rs27	0:8d3e2b74d1d5	179	t.tm_year = data[5]; // Jahr year since 1900
rs27	0:8d3e2b74d1d5	180
rs27	0:8d3e2b74d1d5	181	seconds = mktime(&t);
rs27	0:8d3e2b74d1d5	182	set_time(seconds);
rs27	0:8d3e2b74d1d5	183
rs27	0:8d3e2b74d1d5	184	strftime(buffer, 40, "%a,%d.%m.%Y %H:%M:%S", localtime(&seconds));
rs27	0:8d3e2b74d1d5	185	// pc.printf("\ntimer0::set_t = %s", buffer);
rs27	0:8d3e2b74d1d5	186	}

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Type:	Library
Created:	05 Feb 2016
Imports:	1
Forks:	0
Commits:	3
Dependents:	1
Dependencies:	0
Followers:	3

timer0.cpp@2:f63678f5ed05, 2016-03-10 (annotated)

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