mbed-scli test program
led_tsk.cpp
- Committer:
- mimi3
- Date:
- 2017-03-05
- Revision:
- 10:72b75743f231
- Parent:
- 2:3e748cfff1d7
File content as of revision 10:72b75743f231:
/*
# 2017/02: Changed for mbed-scli-test
# Copyright (C) 2010-2014, audin
# 2014/02: Modify for mbed for CQ LPC11U35
# 2013/08: Modify for mbed for LPC1114FN28
# 2013/07: Modify for LPCOpen Platform.
# 2011/04, 2012/11
# 2010/11
# http://avr.paslog.jp
# This file is licensed under the MIT License.
#
*/
#include "mbed.h"
#include "led_tsk.h"
#include "Scheduler.h"
DigitalOut led1(LED1);
#define led1_on() led1=0 /* Negative on */
#define led1_off() led1=1
/*******************
* Fake PWM class
*******************/
static void pwm_elm( int ms, int max_ms, DigitalOut *led )
{
*led=0; // negative on
taskWait( ms );
*led=1;
taskWait( max_ms - ms);
}
class pwm_fake_t
{
int max_val, val, MIN_VAL, dir, speed;
DigitalOut *led;
public:
pwm_fake_t(DigitalOut *_led, int _speed) {
max_val = speed = _speed;
val = MIN_VAL = 0;
dir =1;
led = _led;
}
void run() {
if( ( val >= max_val) || ( val <= MIN_VAL) ) {
max_val = speed;//sio_get_led_blink_speed() + 3 ; // change period
max_val <<= 1; // adjust time
if( val <= MIN_VAL ) {
dir = 1;
taskWait( 1000 ); // wait 1src if led off
} else {
dir = -1;
val = max_val;
}
}
val += dir;
pwm_elm( val, max_val, led );
}
};
/*******************
* LED1 task
*******************/
void led1_task( void )
{
led1_off();
pwm_fake_t pwm_led( &led1, 10+3);
while( 1 ) {
pwm_led.run();
}
}