#include <18F4550.h>
#device ADC=10
#fuses NOMCLR NOLVP NOPUT NOBROWNOUT NOWDT NODEBUG NOFCMEN NOIESO
#fuses HSPLL PLL2 CPUDIV4 VREGEN USBDIV
#use delay(clock=16MHz, USB_FULL)
#use rtos(TIMER = 0, minor_cycle = 4ms)
int16 z = 1000;
int1 i = 0;
#task(rate = 24ms, max = 4ms)
void set_servo()
{
output_high(PIN_D0);
delay_us(z);
output_low(PIN_D0);
}
#task(rate = 100ms, max = 4ms)
void set_degree(void)
{
if(i == 0)
{
z=+5;
if(z > 2000)
{
z = 2000;
i = 1;
}
}
else
{
z=-5;
if(z < 1000)
{
z = 1000;
i = 0;
}
}
}
void main()
{
rtos_run();
}
#include <18F4550.h>
#device ADC=10
#fuses NOMCLR NOLVP NOPUT NOBROWNOUT NOWDT NODEBUG NOFCMEN NOIESO
#fuses HSPLL PLL2 CPUDIV4 VREGEN USBDIV
#use delay(clock=16MHz, USB_FULL)
#include <stdlib.h>
#define USB_CONFIG_HID_TX_SIZE 16 // Transmit packet size (bytes)
#define USB_CONFIG_HID_RX_SIZE 16 // Receive packet size (bytes)
#define USB_CONFIG_PID 1 //Chnage Product Id
#define USB_CONFIG_VID 1234 //Chnage Vendor Id
#define USB_STRINGS_OVERWRITTEN
#define USB_STRING(x) (sizeof(_unicode(x))+2), 3, _unicode(x)
rom char USB_STRING_DESC[]={
//string 0 (must always provide this string)
//4(length of string index),3(desciptor type is string),9&4(Microsoft Defined for US-English)
4, 3, 9, 4,
//string 1 - vendor (this is optional, but we specified it's use in the device descriptor)
USB_STRING("CCS"),
//string 2 - product (this is optional, but we specified it's use in the device descriptor)
USB_STRING("USB HID Example"),
//string 3 - serial number (this is optional, but we specified it's use in the device descriptor)
USB_STRING("123456789")};
#include <usb_desc_hid.h>
#include<pic18_usb.h>
#include<usb.c>
int16 i = 1500;
char data[16];
#INT_RTCC
void RTCC_isr()
{
set_timer1(0); // Set Timer1 value to 0
output_high(PIN_D0);
while(get_timer1() < i);
output_low(PIN_D0);
}
void set_servo(int degree)
{
i = degree * 5.5555555555555555555555555555556 + 1000;
}
void main()
{
int8 a;
char error1[16] = "Not supported!\n\r";
char message1[16] = "Done!\n\r";
setup_timer_1(T1_INTERNAL|T1_DIV_BY_4);
setup_timer_0(RTCC_INTERNAL|RTCC_DIV_256); //32.7 ms overflow
enable_interrupts(INT_RTCC);
enable_interrupts(GLOBAL);
usb_init_cs();
delay_ms(1000);
while(true)
{
usb_task();
if(usb_enumerated())
{ // If the device has been enumerated by the PC
if(usb_kbhit(1))
{
usb_get_packet(1, data, 16);
a = atoi(data);
if(a > 180)
usb_put_packet(1, error1, 16, USB_DTS_TOGGLE);
else
{
usb_put_packet(1, message1, 16, USB_DTS_TOGGLE);
set_servo(a);
}
}
}
}
}
دیدگاه