{"id":581,"date":"2011-06-21T12:48:58","date_gmt":"2011-06-21T11:48:58","guid":{"rendered":"http:\/\/pinguino.walii.es\/?p=581"},"modified":"2011-06-21T12:50:30","modified_gmt":"2011-06-21T11:50:30","slug":"control-y-verificacion-de-servo","status":"publish","type":"post","link":"https:\/\/pinguino.walii.es\/?p=581","title":{"rendered":"Control y verificaci\u00f3n de Servo"},"content":{"rendered":"

Un dise\u00f1o facil pero muy\u00a0\u00fatil, para probar nuestros servos, y verificar el recorrido de cada uno.<\/p>\n

Las conexiones son simples: el servo conectado a la salida 0(cero) RB0<\/p>\n

Y el potenciometro de mas de 47k entre positivo y negativo y el centro a la puerta 13…<\/p>\n

<\/p>\n

<\/iframe><\/p>\n<p> <\/p>\n<p>He incluido dos codigos, uno con la libreria de servo, y otro de la forma tradicional sin libreria.<\/p>\n<pre>Con libreria de servos\r\n[sourcecode language=\"py\"]\r\n\/\/ Control de servo tradicional con libreria\r\n\/\/ Walii.es 2011\r\n\/\/Pinguino.walii.es\r\n\/\/ +-----+\r\n\/\/ |servo|--------- PWM Servo control ---> to pinguino pin.\r\n\/\/ | |--------- +5V\r\n\/\/ | o |--------- GND\r\n\/\/ | | \r\n\/\/ +-----+\r\n\r\nuchar position=1;\r\nint i;\r\nvoid setup(void)\r\n{\r\nservo.attach(0);\r\n}\r\n\r\nvoid loop(void)\r\n{\r\ni=analogRead(13);\r\nposition=i\/4;\r\nservo.write(0,position);\r\ndelay(100);\r\n}\r\n\r\n[\/sourcecode]\r\n\r\n Sin libreria de servo, pueden observar que el recorrido es mucho mayor que con la librer\u00eda, esto es porque de esta forma no tenemos un limite preestablecido en \u00e9l tama\u00f1o de pulso. Y si nos pasamos con esto, puede generar un reset por consumo elevado en el PINGUINO. [sourcecode language=\"py\"]\r\n\/\/ Control de servo tradicional sin libreria\r\n\/\/ Walii.es 2011\r\n\/\/Pinguino.walii.es\r\n#define RUNLED PORTAbits.RA4\r\n#define PIC18F4550 \/\/ control pin of servo\r\nint counter; \/\/ counter used for interrupt\r\nint position0; \/\/pin0 servo vertical\r\nint ir0;\/\/pin 13\r\nint i;\r\nint pulseWidth = 20;\r\nvoid setup()\r\n{\r\nT1CON=0x01; \/\/ configure timer 1\r\nPIE1bits.TMR1IE=1; \/\/ set interrupt for timer 1\r\nINTCON|=0xA0; \/\/ enable GIE and PEIE\r\npinMode(0,OUTPUT);\r\nSerial.begin(9600);\r\n}\r\n\/\/Con la siguiente rutina controlamos la se\u00f1al al servo RB0.\r\n\/\/Leemos en cada pasada el valor de position0\r\nvoid UserInterrupt()\r\n{\r\nif (PIR1bits.TMR1IF)\r\n{\r\nTMR1H=0xFF; \/\/ reload value timer 1\r\nTMR1L=0x9C;\r\nPIR1bits.TMR1IF=0; \/\/ clear interrupt flag\r\nif (counter>position0+51) PORTBbits.RB0=0; \/\/ position\r\nelse PORTBbits.RB0=1;\r\nif (counter==1500) counter=0; \/\/ value for ~20 mS\r\ncounter++;\r\n}\r\n}\r\n\r\nvoid loop()\r\n{\r\nir0=analogRead(13);\r\nposition0=ir0\/6;\r\nif (position0<1) position0=1; if (position0>151) position0=151;\r\n\r\n}\r\n[\/sourcecode]\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Un dise\u00f1o facil pero muy\u00a0\u00fatil, para probar nuestros servos, y verificar el recorrido de cada uno. Las conexiones son simples: el servo conectado a la…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,3,14,17],"tags":[26,25,23,24],"_links":{"self":[{"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/posts\/581"}],"collection":[{"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=581"}],"version-history":[{"count":3,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/posts\/581\/revisions"}],"predecessor-version":[{"id":584,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=\/wp\/v2\/posts\/581\/revisions\/584"}],"wp:attachment":[{"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pinguino.walii.es\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}