gistfile1.c

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/*                                        By Sam Walsh                        */
/*                                                                            */
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/* Introduction                                                               */
/*                                                                            */
/* This code is an example of what students will create during the second     */
/* Year embedded systems project. Where they are expected to design and build */
/* a line following robot.                                                    */
/*                                                                            */
/* As the hardware is the same for all students (bar the sensor) this code    */
/* with modifications to the connection variables and sensor readings should  */
/* work on any students design.                                               */
/*                                                                            */
/* Hardware used                                                              */
/*                                                                            */
/* PIC 18F8722 Microcontroller                                                */ 
/* Motor controller board (Made in house - School of EEE                      */
/* Sensor Board (Custom to every student, used 8 Photo-transistors (digital)  */
/*                                                                            */
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/* What is connected and where?                                               */
/*                                                                            */
/* Line sensors            => PORTE (entire 0-7)                              */
/* Front sensor            => PORTD bit 7                                     */
/* Motor Left  PWM         => PORTG bit 4 (called PWM5 in Microchip methods)  */
/* Motor Right PWM         => PORTG bit 5 (called PWM4 in Microchip methods)  */
/*                                                                            */
/* Motor-Controller connections                                               */
/*                                                                            */
/* Uni-Polar Right         => LATJbits.LATJ0                                  */
/* Uni-Polar Left          => LATJbits.LATJ2                                  */
/* Bi-Polar Right          => LATJbits.LATJ0                                  */
/* Bi-Polar Left           => LATJbits.LATJ0                                  */
/* Clockwise Right         => LATJbits.LATJ1                                  */
/* Counter-Clockwise Right => LATJbits.LATJ1                                  */
/* Clockwise Left          => LATJbits.LATJ3                                  */
/* Counter-Clockwise Left  => LATJbits.LATJ3                                  */
/* Enable                  => LATJbits.LATJ4                                  */
/* Disable                 => LATJbits.LATJ4                                  */
/*                                                														*/
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