ichiro shirasaka / Mbed 2 deprecated scheduler-demo-cq-lpc11u35

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Dependencies:   Scheduler mbed

Fork of scheduler-demo-cq-lpc11u35 by mi mi

led_tsk.cpp@3:d098b01b9dcb, 2014-05-18 (annotated)

Committer:
jr1wfh
Date:
Sun May 18 03:53:18 2014 +0000
Revision:
3:d098b01b9dcb
Parent:
1:48a906a94c32 
Rev.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimi3 0:79e298c7d4b9 1 /*
mimi3 0:79e298c7d4b9 2 #
mimi3 1:48a906a94c32 3 # Copyright (C) 2010-2014, audin
mimi3 1:48a906a94c32 4 # 2014/02: Modify for mbed for CQ LPC11U35
mimi3 0:79e298c7d4b9 5 # 2013/08: Modify for mbed for LPC1114FN28
mimi3 0:79e298c7d4b9 6 # 2013/07: Modify for LPCOpen Platform.
mimi3 0:79e298c7d4b9 7 # 2011/04, 2012/11
mimi3 0:79e298c7d4b9 8 # 2010/11
mimi3 0:79e298c7d4b9 9 # http://avr.paslog.jp
mimi3 0:79e298c7d4b9 10 # This file is licensed under the MIT License.
mimi3 0:79e298c7d4b9 11 #
mimi3 0:79e298c7d4b9 12 */
mimi3 0:79e298c7d4b9 13
mimi3 0:79e298c7d4b9 14 #include "mbed.h"
mimi3 0:79e298c7d4b9 15 #include "led_tsk.h"
mimi3 0:79e298c7d4b9 16 #include "Scheduler.h"
mimi3 0:79e298c7d4b9 17
mimi3 0:79e298c7d4b9 18
mimi3 1:48a906a94c32 19 /* for CQ ,lpc11u35 */
jr1wfh 3:d098b01b9dcb 20 DigitalIn s2(P0_2);
mimi3 1:48a906a94c32 21 DigitalOut led1(P0_20);
mimi3 1:48a906a94c32 22
mimi3 0:79e298c7d4b9 23 #define led1_on() led1=0 /* Negative on */
mimi3 0:79e298c7d4b9 24 #define led1_off() led1=1
mimi3 0:79e298c7d4b9 25
mimi3 0:79e298c7d4b9 26 /*******************
mimi3 0:79e298c7d4b9 27
mimi3 1:48a906a94c32 28 * Fake PWM class
mimi3 0:79e298c7d4b9 29
mimi3 0:79e298c7d4b9 30 *******************/
mimi3 1:48a906a94c32 31 static void pwm_elm( int ms, int max_ms, DigitalOut *led )
mimi3 0:79e298c7d4b9 32 {
mimi3 1:48a906a94c32 33 *led=0; // negative on
mimi3 0:79e298c7d4b9 34 taskWait( ms );
mimi3 1:48a906a94c32 35 *led=1;
mimi3 1:48a906a94c32 36 taskWait( max_ms - ms);
mimi3 0:79e298c7d4b9 37 }
mimi3 0:79e298c7d4b9 38
mimi3 1:48a906a94c32 39 class pwm_fake_t
mimi3 0:79e298c7d4b9 40 {
mimi3 1:48a906a94c32 41 int max_val, val, MIN_VAL, dir, speed;
mimi3 1:48a906a94c32 42 DigitalOut *led;
mimi3 1:48a906a94c32 43 public:
mimi3 1:48a906a94c32 44 pwm_fake_t(DigitalOut *_led, int _speed) {
mimi3 1:48a906a94c32 45 max_val = speed = _speed;
mimi3 1:48a906a94c32 46 val = MIN_VAL = 0;
mimi3 1:48a906a94c32 47 dir =1;
mimi3 1:48a906a94c32 48 led = _led;
mimi3 1:48a906a94c32 49 }
mimi3 1:48a906a94c32 50 void run() {
mimi3 0:79e298c7d4b9 51 if( ( val >= max_val) || ( val <= MIN_VAL) ) {
mimi3 1:48a906a94c32 52 max_val = speed;//sio_get_led_blink_speed() + 3 ; // change period
mimi3 0:79e298c7d4b9 53 max_val <<= 1; // adjust time
mimi3 0:79e298c7d4b9 54 if( val <= MIN_VAL ) {
mimi3 0:79e298c7d4b9 55 dir = 1;
mimi3 0:79e298c7d4b9 56 taskWait( 1000 ); // wait 1src if led off
mimi3 0:79e298c7d4b9 57 } else {
mimi3 0:79e298c7d4b9 58 dir = -1;
mimi3 0:79e298c7d4b9 59 val = max_val;
mimi3 0:79e298c7d4b9 60 }
mimi3 0:79e298c7d4b9 61 }
mimi3 0:79e298c7d4b9 62 val += dir;
mimi3 1:48a906a94c32 63 pwm_elm( val, max_val, led );
mimi3 1:48a906a94c32 64 }
mimi3 1:48a906a94c32 65 };
mimi3 1:48a906a94c32 66
mimi3 1:48a906a94c32 67 /*******************
mimi3 1:48a906a94c32 68
mimi3 1:48a906a94c32 69 * LED1 task
mimi3 1:48a906a94c32 70
mimi3 1:48a906a94c32 71 *******************/
mimi3 1:48a906a94c32 72 void led1_task( void )
mimi3 1:48a906a94c32 73 {
mimi3 1:48a906a94c32 74 led1_off();
jr1wfh 3:d098b01b9dcb 75 taskWait( 1000 );
mimi3 1:48a906a94c32 76 pwm_fake_t pwm_led( &led1, 10+3);
mimi3 1:48a906a94c32 77 while( 1 ) {
mimi3 1:48a906a94c32 78 pwm_led.run();
mimi3 0:79e298c7d4b9 79 }
mimi3 0:79e298c7d4b9 80 }
jr1wfh 3:d098b01b9dcb 81