Delta / non_blocking_Led_Buzzer

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Dependents:   non_blocking_Led_Buzze_HelloWorld

Led.h@0:c18c119011ec, 2016-11-21 (annotated)

Committer:
tsungta
Date:
Mon Nov 21 06:40:27 2016 +0000
Revision:
0:c18c119011ec
Library for non blocking Led and Buzzer controller

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tsungta 0:c18c119011ec 1 /******************** (C) COPYRIGHT 2016 Delta Electronics, Inc. ***************
tsungta 0:c18c119011ec 2 *
tsungta 0:c18c119011ec 3 * File Name : Led.h
tsungta 0:c18c119011ec 4 * Authors : Tsungta Wu - CPBG (tsungta.wu@deltaww.com)
tsungta 0:c18c119011ec 5 * Version : V.1.0.1
tsungta 0:c18c119011ec 6 * Date : 2016/Nov/14
tsungta 0:c18c119011ec 7 *
tsungta 0:c18c119011ec 8 *******************************************************************************/
tsungta 0:c18c119011ec 9
tsungta 0:c18c119011ec 10 /** class to make control LED on/off fashion using GPIO
tsungta 0:c18c119011ec 11 * The class use a timer to change led on/off - it is not blocking while scheduling led on/off
tsungta 0:c18c119011ec 12 *
tsungta 0:c18c119011ec 13 * Example:
tsungta 0:c18c119011ec 14 * @code
tsungta 0:c18c119011ec 15 * #include "mbed.h"
tsungta 0:c18c119011ec 16 * #include "Led.h"
tsungta 0:c18c119011ec 17 *
tsungta 0:c18c119011ec 18 * Led led(LED1);
tsungta 0:c18c119011ec 19 *
tsungta 0:c18c119011ec 20 *#define schedule_num 7
tsungta 0:c18c119011ec 21 *float toggle[schedule_num] = {1, 1, 1, 0, 1, 0, 1};
tsungta 0:c18c119011ec 22
tsungta 0:c18c119011ec 23 * int main() {
tsungta 0:c18c119011ec 24 * ...
tsungta 0:c18c119011ec 25 * led.simpleBlink(0.5); //turn on led for 0.5 second
tsungta 0:c18c119011ec 26 * ...
tsungta 0:c18c119011ec 27 * led.toggleLed(toggle, schedule_num, 0.5); //change led to on or off every 0.5 second
tsungta 0:c18c119011ec 28 * ...
tsungta 0:c18c119011ec 29 * }
tsungta 0:c18c119011ec 30 * @endcode
tsungta 0:c18c119011ec 31 */
tsungta 0:c18c119011ec 32
tsungta 0:c18c119011ec 33 #ifndef MBED_LED_H
tsungta 0:c18c119011ec 34 #define MBED_LED_H
tsungta 0:c18c119011ec 35
tsungta 0:c18c119011ec 36 #include "mbed.h"
tsungta 0:c18c119011ec 37
tsungta 0:c18c119011ec 38 namespace mbed {
tsungta 0:c18c119011ec 39
tsungta 0:c18c119011ec 40
tsungta 0:c18c119011ec 41 /* Class: Led
tsungta 0:c18c119011ec 42 * A class witch uses DigitalOut to on/off LED.
tsungta 0:c18c119011ec 43 * The class use a timer to toggle - it is not blocking
tsungta 0:c18c119011ec 44 */
tsungta 0:c18c119011ec 45 class Led {
tsungta 0:c18c119011ec 46
tsungta 0:c18c119011ec 47 public:
tsungta 0:c18c119011ec 48
tsungta 0:c18c119011ec 49 Led (PinName pin, uint8_t On_Logic = 0);
tsungta 0:c18c119011ec 50
tsungta 0:c18c119011ec 51 /** Turn on LED with given duration.
tsungta 0:c18c119011ec 52 *
tsungta 0:c18c119011ec 53 * @param time - the LED on duration in seconds
tsungta 0:c18c119011ec 54 */
tsungta 0:c18c119011ec 55 void simpleBlink (float time);
tsungta 0:c18c119011ec 56
tsungta 0:c18c119011ec 57 /** Toggle LED with given sequence and duration.
tsungta 0:c18c119011ec 58 *
tsungta 0:c18c119011ec 59 * @param toggle_on_off - the on/off controlling sequence
tsungta 0:c18c119011ec 60 * @param toggle_num - the total number of the on/off operation
tsungta 0:c18c119011ec 61 * @param tonggle_time - the duration of each on/off operation in seconds
tsungta 0:c18c119011ec 62 */
tsungta 0:c18c119011ec 63 void toggleLed (uint8_t* toggle_on_off, uint16_t toggle_num, float tonggle_time);
tsungta 0:c18c119011ec 64
tsungta 0:c18c119011ec 65 /** turn off the Led instantaneous
tsungta 0:c18c119011ec 66 * usually not used
tsungta 0:c18c119011ec 67 */
tsungta 0:c18c119011ec 68 void offLed();
tsungta 0:c18c119011ec 69
tsungta 0:c18c119011ec 70 private :
tsungta 0:c18c119011ec 71
tsungta 0:c18c119011ec 72 void nextToggle();
tsungta 0:c18c119011ec 73 DigitalOut _led;
tsungta 0:c18c119011ec 74 Timeout tnext;
tsungta 0:c18c119011ec 75 PinName _debug;
tsungta 0:c18c119011ec 76 };
tsungta 0:c18c119011ec 77
tsungta 0:c18c119011ec 78 }
tsungta 0:c18c119011ec 79 #endif
tsungta 0:c18c119011ec 80