PHPUG CGN: Arduino With PHP

Controlling Arduino from PHP using the Firmata protocol

Transcript

1. ARDUINO WITH PHP CONNECTIONS TO THE PHYSICAL WORLD Created by / Thomas Weinert @ThomasWeinert
2. ARDUINO Arduino is an open-source electronics prototyping platform based on flexible, easy-to- use hardware and software. It's intended for artists, designers, hobbyists and anyone interested in creating interactive objects or environments.
3. ARDUINO UNO
4. ARDUINO MEGA
5. SHIELDS HTTP://SHIELDLIST.ORG/
6. NETWORK
7. PROTOTYPE
8. MOTOR
9. ARDUINO NANO
10. NANO ON BREADBOARD
11. NANO ON BASE
12. BREADBOARD
13. BREADBOARD HALFSIZE
14. BREADBOARD SCHEMA
15. BREADBOARD IN USE
16. BREADBOARD IN USE
17. FRITZING http://fritzing.org 1 1 5 5 10 10 15 15 20 20 25 25 30 30 A A B B C C D D E E F F G G H H I I J J
18. ARDUINO IDE
20. FIRMATA
21. FIRMATA PROTOCOL Midi Based Pin Status Pin Manipulation Extended Commands
22. FIRMATA TEST
23. FIRMATA TEST PHP
25. PHP - SERIAL PORTS + Just streams - Console commands for configuration
26. WINDOWS - fread() blocks until it gets data.
27. SERPROXY
28. CARICA CHIP $ l e d = n e w C a r i c a \ C h i p \ L e d ( $ b o a r d - > p i n s [ 1 3 ] ) ; $ l e d - > s t r o b e ( ) - > o n ( ) ;
29. CARICA CHIP $ l e d = n e w C a r i c a \ C h i p \ L e d ( $ b o a r d - > p i n s [ 1 3 ] ) ; $ l e d - > p u l s e ( ) - > o n ( ) ;
30. CARICA CHIP $ l e d = n e w C a r i c a \ C h i p \ L e d ( $ b o a r d - > p i n s [ 1 3 ] ) ; $ l e d - > b r i g h t n e s s ( 0 . 5 ) - > p u l s e ( ) - > o n ( ) ;
31. CARICA FIRMATA $ b o a r d - > a c t i v a t e ( ) - > d o n e ( f u n c t i o n ( ) u s e ( $ b o a r d ) { $ l e d = n e w C a r i c a \ C h i p \ L e d ( $ b o a r d - > p i n s [ 1 3 ] ) ; $ l e d - > s t r o b e ( ) - > o n ( ) ; } ) ; C a r i c a \ I o \ E v e n t \ L o o p \ F a c t o r y : : r u n ( ) ;
32. BASIC BLINK $ b o a r d - > p i n M o d e ( 1 3 , 0 x 0 1 ) ; w h i l e ( T R U E ) { $ b o a r d - > d i g i t a l W r i t e ( 1 3 , 0 x F F ) ; s l e e p ( 1 ) ; $ b o a r d - > d i g i t a l W r i t e ( 1 3 , 0 x 0 0 ) ; s l e e p ( 1 ) ; }
33. BASIC BLINK OOP $ b o a r d - > p i n s [ 1 3 ] - > m o d e = C a r i c a \ F i r m a t a \ P i n : : M O D E _ O U T P U T ; w h i l e ( T R U E ) { $ b o a r d - > p i n s [ 1 3 ] - > d i g i t a l = ! $ b o a r d - > p i n s [ 1 3 ] - > d i g i t a l ; s l e e p ( 1 ) ; }
34. BLINK NONBLOCKING $ l o o p = I o \ E v e n t \ L o o p \ F a c t o r y : : g e t ( ) ; $ b o a r d - > a c t i v a t e ( ) - > d o n e ( f u n c t i o n ( ) u s e ( $ b o a r d , $ l o o p ) { $ p i n = $ b o a r d - > p i n s [ 1 3 ] ; $ p i n - > m o d e = F i r m a t a \ P i n : : M O D E _ O U T P U T ; $ l o o p - > s e t I n t e r v a l ( f u n c t i o n ( ) u s e ( $ p i n ) { $ p i n - > d i g i t a l = ! $ p i n - > d i g i t a l ; } , 1 0 0 0 ) ; } ) ; $ l o o p - > r u n ( ) ;
35. CARICA IO Event Loop Event Emitter Promises
36. EVENT LOOP
37. JAVASCRIPT EXAMPLE v a r e = d o c u m e n t . g e t E l e m e n t B y I d ( ' o u t p u t ' ) ; v a r c o u n t e r = 0 ; v a r i n t e r v a l = w i n d o w . s e t I n t e r v a l ( f u n c t i o n ( ) { e . t e x t C o n t e n t = e . t e x t C o n t e n t + c o u n t e r . t o S t r i n g ( ) + ' , ' ; c o u n t e r + + ; } , 1 0 0 0 ) ;
38. PHP EXAMPLE $ l o o p = C a r i c a \ I o \ E v e n t \ L o o p \ F a c t o r y : : g e t ( ) ; $ l o o p - > s e t I n t e r v a l ( f u n c t i o n ( ) { s t a t i c $ i = 0 ; e c h o $ i + + ; } , 1 0 0 0 ) ; $ l o o p - > r u n ( ) ;
39. PROMISES They describe an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is yet incomplete.
40. JAVASCRIPT EXAMPLE j Q u e r y . g e t ( ' h e l l o - w o r l d . x m l ' ) . d o n e ( f u n c t i o n ( x m l ) { a l e r t ( ' l o a d e d . ' ) ; } ) ) ;
41. PHP EXAMPLE $ m y s q l O n e = n e w C a r i c a \ I o \ D e f e r r e d \ M y S Q L ( n e w m y s q l i ( ' l o c a l h o s t ' ) ) ; $ m y s q l T w o = n e w C a r i c a \ I o \ D e f e r r e d \ M y S Q L ( n e w m y s q l i ( ' l o c a l h o s t ' ) ) ; $ t i m e = m i c r o t i m e ( T R U E ) ; $ d e b u g = f u n c t i o n ( $ r e s u l t ) u s e ( $ t i m e ) { v a r _ d u m p ( i t e r a t o r _ t o _ a r r a y ( $ r e s u l t ) ) ; v a r _ d u m p ( m i c r o t i m e ( T R U E ) - $ t i m e ) ; } ; $ q u e r i e s = C a r i c a \ I o \ D e f e r r e d : : W h e n ( $ m y s q l O n e ( " S E L E C T ' Q u e r y 1 ' , S L E E P ( 5 ) " ) - > d o n e ( $ d e b u g ) , $ m y s q l T w o ( " S E L E C T ' Q u e r y 2 ' , S L E E P ( 1 ) " ) - > d o n e ( $ d e b u g ) ) ; C a r i c a \ I o \ E v e n t \ L o o p \ F a c t o r y : : r u n ( $ q u e r i e s ) ;
42. EVENT EMITTER $ s t r e a m = n e w S t r e a m \ F i l e ( ' c : / t m p / s a m p l e . t x t ' ) ; $ s t r e a m - > e v e n t s ( ) - > o n ( ' r e a d - d a t a ' , f u n c t i o n ( $ d a t a ) { e c h o $ d a t a ; } ) ; $ s t r e a m - > e v e n t s ( ) - > o n ( ' e r r o r ' , f u n c t i o n ( $ e r r o r ) u s e ( $ l o o p ) { e c h o $ e r r o r ; $ l o o p - > s t o p ( ) ; } ) ;
43. INTERACTION
44. HTTPSERVER u s e C a r i c a \ I o \ N e t w o r k \ H t t p ; $ r o u t e = n e w H t t p \ R o u t e ( ) ; $ r o u t e - > m a t c h ( ' / h e l l o / { n a m e } ' , f u n c t i o n ( H t t p \ R e q u e s t $ r e q u e s t , $ p a r a m e t e r s ) { $ r e s p o n s e = $ r e q u e s t - > c r e a t e R e s p o n s e ( n e w H t t p \ R e s p o n s e \ C o n t e n t \ S t r i n g ( " H e l l o " . $ p a r a m e t e r s [ ' n a m e ' ] . " ! \ n " ) ) ; r e t u r n $ r e s p o n s e ; } ) ;
45. FILES $ r o u t e - > m a t c h ( ' / h e l l o ' , n e w H t t p \ R o u t e \ F i l e ( _ _ D I R _ _ . ' / f i l e s / h e l l o . h t m l ' ) ) ; $ r o u t e - > s t a r t s W i t h ( ' / f i l e s ' , n e w H t t p \ R o u t e \ D i r e c t o r y ( _ _ D I R _ _ ) ) ; $ s e r v e r = n e w C a r i c a \ I o \ N e t w o r k \ H t t p \ S e r v e r ( $ r o u t e ) ; $ s e r v e r - > l i s t e n ( 8 0 8 0 ) ;
46. INTERACTIVE LED
47. HTML FILE < ! D O C T Y P E h t m l > < h t m l > < h e a d > < t i t l e > L e d S w i t c h < / t i t l e > < / h e a d > < b o d y > < f o r m a c t i o n = " . / s w i t c h / o n " t a r g e t = " i f r a m e " > < b u t t o n t y p e = " s u b m i t " > O n < / b u t t o n > < / f o r m > < f o r m a c t i o n = " . / s w i t c h / o f f " t a r g e t = " i f r a m e " > < b u t t o n t y p e = " s u b m i t " > O f f < / b u t t o n > < / f o r m > < i f r a m e s t y l e = " w i d t h : 2 0 0 p x ; h e i g h t : 4 0 p x ; b o r d e r : n o n e ; " s r c = " a b o u t : b l a n k " n a m e = " i f r a m < / b o d y > < / h t m l >
48. PHP SERVER u s e C a r i c a \ I o \ N e t w o r k \ H t t p ; $ b o a r d - > a c t i v a t e ( ) - > d o n e ( f u n c t i o n ( ) u s e ( $ b o a r d ) { $ l e d = n e w C a r i c a \ C h i p \ L e d ( $ b o a r d - > p i n s [ 2 0 ] ) ; $ r o u t e = n e w H t t p \ R o u t e ( ) ; $ r o u t e - > m a t c h ( ' / s w i t c h / { s t a t e } ' , f u n c t i o n ( H t t p \ R e q u e s t $ r e q u e s t , a r r a y $ p a r a m e t e r s ) u s e ( $ l e d ) { i f ( $ p a r a m e t e r s [ ' s t a t e ' ] = = ' o n ' ) { $ l e d - > o n ( ) ; $ m e s s a g e = ' O N ' ; } e l s e { $ l e d - > o f f ( ) ; $ m e s s a g e = ' O F F ' ; } $ r e s p o n s e = $ r e q u e s t - > c r e a t e R e s p o n s e ( ) ; $ r e s p o n s e - > c o n t e n t = n e w H t t p \ R e s p o n s e \ C o n t e n t \ S t r i n g ( $ m e s s a g e , ' t e x t / p l a i n ; c h a r s e t = u t f - 8 ' ) ; r e t u r n $ r e s p o n s e ; } ) ; $ r o u t e - > m a t c h ( ' / ' , n e w \ C a r i c a \ I o \ N e t w o r k \ H t t p \ R o u t e \ F i l e ( _ _ D I R _ _ . ' / i n d e x . h t m l ' ) ) ; $ s e r v e r = n e w C a r i c a \ I o \ N e t w o r k \ H t t p \ S e r v e r ( $ r o u t e ) ;
49. COLOR CIRCLE
50. SERVER f u n c t i o n ( ) u s e ( $ b o a r d ) { $ l e d = n e w C a r i c a \ C h i p \ R g b \ L e d ( $ b o a r d - > p i n s [ 3 ] , $ b o a r d - > p i n s [ 5 ] , $ b o a r d - > p i n s [ 6 ] ) ; $ r o u t e = n e w C a r i c a \ I o \ N e t w o r k \ H t t p \ R o u t e ( ) ; $ r o u t e - > m a t c h ( ' / r g b ' , f u n c t i o n ( H t t p \ R e q u e s t $ r e q u e s t ) u s e ( $ l e d ) { $ c o l o r = i s s e t ( $ r e q u e s t - > q u e r y [ ' c o l o r ' ] ) ? $ r e q u e s t - > q u e r y [ ' c o l o r ' ] : ' # 0 0 0 ' ; $ l e d - > c o l o r ( $ c o l o r ) - > o n ( ) ; $ r e s p o n s e = $ r e q u e s t - > c r e a t e R e s p o n s e ( ) ; $ r e s p o n s e - > c o n t e n t = n e w H t t p \ R e s p o n s e \ C o n t e n t \ S t r i n g ( ' C o l o r : ' . $ c o l o r ) ; r e t u r n $ r e s p o n s e ; } ) ; $ r o u t e - > s t a r t s W i t h ( ' / f i l e s ' , n e w H t t p \ R o u t e \ D i r e c t o r y ( _ _ D I R _ _ ) ) ; $ r o u t e - > m a t c h ( ' / ' , n e w H t t p \ R o u t e \ F i l e ( _ _ D I R _ _ . ' / i n d e x . h t m l ' ) ) ; $ s e r v e r = n e w C a r i c a \ I o \ N e t w o r k \ H t t p \ S e r v e r ( $ r o u t e ) ; $ s e r v e r - > l i s t e n ( 8 0 8 0 ) ; }
51. REACTPHP { " r e q u i r e " : { " r e a c t / r e a c t " : " 0 . 4 . * " } }
52. RATCHET { " r e q u i r e " : { " c b o d e n / r a t c h e t " : " 0 . 3 . * " } }
53. SENSOR PHALANX 1:07
54. SHIFTOUT()
55. SHIFTOUT() $ l o o p - > s e t I n t e r v a l ( f u n c t i o n ( ) u s e ( $ b o a r d , $ l a t c h P i n , $ c l o c k P i n , $ d a t a P i n ) { s t a t i c $ n u m b e r = 0 ; $ l a t c h P i n - > d i g i t a l = F A L S E ; $ b o a r d - > s h i f t O u t ( $ d a t a P i n - > p i n , $ c l o c k P i n - > p i n , $ n u m b e r ) ; $ l a t c h P i n - > d i g i t a l = T R U E ; i f ( + + $ n u m b e r > 2 5 5 ) { $ n u m b e r = 0 ; } } , 1 0 0 0 ) ;
56. SHIFTOUT() 0:15
57. 7 SEGMENT DISPLAYS
58. 7 SEGMENT DISPLAYS $ l o o p - > s e t I n t e r v a l ( f u n c t i o n ( ) u s e ( $ b o a r d , $ l a t c h P i n , $ c l o c k P i n , $ d a t a P i n , $ n u m b e r s , $ s e g m e n t s ) { s t a t i c $ n u m b e r = 0 ; $ d i g i t s = s t r _ p a d ( $ n u m b e r , $ s e g m e n t s , 0 , S T R _ P A D _ L E F T ) ; $ b y t e s = [ ] ; f o r ( $ i = s t r l e n ( $ d i g i t s ) - 1 ; $ i > = 0 ; $ i - - ) { $ b y t e s [ ] = 0 x F F ^ ( i n t ) $ n u m b e r s [ $ d i g i t s [ $ i ] ] ; } $ l a t c h P i n - > d i g i t a l = F A L S E ; $ b o a r d - > s h i f t O u t ( $ d a t a P i n - > p i n , $ c l o c k P i n - > p i n , $ b y t e s ) ; $ l a t c h P i n - > d i g i t a l = T R U E ; i f ( + + $ n u m b e r > ( p o w ( 1 0 , $ s e g m e n t s ) - 1 ) ) { $ n u m b e r = 0 ; } } , 1 0 0 ) ;
59. 7SEG DISPLAYS 0:05
60. FIRST PROJECT
61. COMPOSER CREATE c o m p o s e r c r e a t e - p r o j e c t c a r i c a / c h i p - s k e l e t o n l e d - - s t a b i l i t y = d e v
62. COMPOSER CREATE
63. CONFIGURE BOOTSTRAP / * * * s e r i a l - s e r i a l c o n n e c t i o n * t c p - t c p c o n n e c t i o n ( n e t w o r k s h i e l d o r s e r p r o x y ) * / d e f i n e ( ' C A R I C A _ F I R M A T A _ M O D E ' , ' s e r i a l ' ) ; d e f i n e ( ' C A R I C A _ F I R M A T A _ S E R I A L _ D E V I C E ' , ' / d e v / t t y 0 ' ) ; d e f i n e ( ' C A R I C A _ F I R M A T A _ S E R I A L _ B A U D ' , 5 7 6 0 0 ) ; d e f i n e ( ' C A R I C A _ F I R M A T A _ T C P _ S E R V E R ' , ' 1 2 7 . 0 . 0 . 1 ' ) ; d e f i n e ( ' C A R I C A _ F I R M A T A _ T C P _ P O R T ' , 5 3 3 9 ) ;
64. SKELETON $ b o a r d = i n c l u d e ( _ _ D I R _ _ . ' / b o o t s t r a p . p h p ' ) ; u s e C a r i c a \ C h i p a s C h i p ; $ b o a r d - > a c t i v a t e ( ) - > d o n e ( f u n c t i o n ( ) u s e ( $ b o a r d ) { / / S t a r t h e r e ! } ) ; C a r i c a \ I o \ E v e n t \ L o o p \ F a c t o r y : : r u n ( ) ;
65. LED OBJECT $ b o a r d = i n c l u d e ( _ _ D I R _ _ . ' / b o o t s t r a p . p h p ' ) ; u s e C a r i c a \ C h i p a s C h i p ; $ b o a r d - > a c t i v a t e ( ) - > d o n e ( f u n c t i o n ( ) u s e ( $ b o a r d ) { $ l e d = n e w C h i p \ L e d ( $ b o a r d - > p i n s [ 1 3 ] ) ; $ l e d - > s t r o b e ( 2 0 0 0 ) - > o n ( ) ; } ) ; C a r i c a \ I o \ E v e n t \ L o o p \ F a c t o r y : : r u n ( ) ;
66. THANKS