int16_t main(void) {
//initialize all system clocks
init_clock();
//initialize serial communications
init_uart();
//initialize pin driving library (to be able to use the &D[x] defs)
init_pin();
//initialize the UI library
init_ui();
//initialize the timer module
init_timer();
//initialize the OC module (used by the servo driving code)
init_oc();
imu_init()
//Set servo control pins as output
pin_digitalOut(PAN_PIN);
pin_digitalOut(TILT_PIN);
pin_digitalOut(SONIC_OUT_PIN);
pin_digitalIn(SONIC_IN_PIN);
//Set LED off
led_off(LED);
//Configure blinking rate for LED when connected
timer_setPeriod(LED_TIM, 0.2);
timer_start(LED_TIM);
//Configure timer for reciever timeout
timer_setPeriod(DIST_TIM, 0.05);
//configure PWM on sonic output pin
oc_pwm(PWM_OC, SONIC_OUT_PIN, NULL, SONIC_FREQ, 0x0000);
//According to HobbyKing documentation: range .8 through 2.2 msec
//Set servo control pins as OC outputs on their respective timers
oc_servo(SERVO1_OC, PAN_PIN, SERVO1_TIM, SERVO_PERIOD, SERVO_MIN, SERVO_MAX, pan_set_val);
oc_servo(SERVO2_OC, TILT_PIN, SERVO2_TIM, SERVO_PERIOD, SERVO_MIN, SERVO_MAX, tilt_set_val);
InitUSB(); // initialize the USB registers and serial interface engine
while (USB_USWSTAT!=CONFIG_STATE) { // while the peripheral is not configured...
ServiceUSB(); // ...service USB requests
led_on(LED);
//There's no point in driving the servos when there's no one connected yet.
}
while (1) {
ServiceUSB(); // service any pending USB requests
//blink the LED
if (timer_flag(LED_TIM)) {
timer_lower(LED_TIM);
led_toggle(LED);
}
//Update the servo control values.
x_gout = gyro_read(OUT_X_L);
}
}
int16_t main(void) {
init_clock();
init_uart();
init_ui();
init_timer();
init_oc();
led_on(&led2);
timer_setPeriod(&timer2, 0.5);
timer_start(&timer2);
val1 = 0;
val2 = 0;
interval = 0.02;
min_width = 5.5E-4;
max_width = 2.3E-3;
pos = 0; //16 bit int with binary point in front of the MSB
oc_servo(&oc1,&D[0],&timer1, interval,min_width, max_width, pos);
oc_servo(&oc2,&D[2],&timer3, interval,min_width, max_width, pos);
printf("Good morning\n");
InitUSB(); // initialize the USB registers and serial interface engine
while (USB_USWSTAT!=CONFIG_STATE) { // while the peripheral is not configured...
ServiceUSB(); // ...service USB requests
}
while (1) {
ServiceUSB();
//write the values to the servos (move the servos to the requested position)
pin_write(&D[0],val1);
pin_write(&D[2],val2);
if (timer_flag(&timer2)) {
//show a heartbeat and a status message
timer_lower(&timer2);
led_toggle(&led1);
printf("val1 = %u, val2 = %u\n", val1, val2);
}
}
}
int16_t main(void) {
init_pin();
init_clock();
init_uart();
init_ui();
init_timer();
init_oc();
//setup the signal input pin
pin_digitalIn(&D[4]);
val1 = 0;
val2 = 0;
pos = 0; //16 bit int with binary point in front of the MSB
led_on(&led2);
timer_setPeriod(&timer2, PULSE_FREQUENCY); //how often we send a pulse
timer_start(&timer2);
timer_setPeriod(&timer3, 0.5); //heartbeat
timer_start(&timer3);
oc_servo(&oc1,&D[0],&timer4, INTERVAL,MIN_WIDTH, MAX_WIDTH, pos);
oc_servo(&oc2,&D[2],&timer5, INTERVAL,MIN_WIDTH, MAX_WIDTH, pos);
oc_pwm(&oc3,&D[3],NULL,FREQ,ZERO_DUTY);
printf("Good morning\n");
InitUSB(); // initialize the USB registers and serial interface engine
while (USB_USWSTAT!=CONFIG_STATE) { // while the peripheral is not configured...
ServiceUSB(); // ...service USB requests
}
while (1) {
ServiceUSB();
pin_write(&D[0],val1);
pin_write(&D[2],val2);
//adapted from Patrick and Charlie's approach
if (!send_pulse && timer_read(&timer2) < PULSE_WIDTH){
send_pulse = 1;
pin_write(&D[3],HALF_DUTY);
get_distance = 1;
} else if (send_pulse && timer_read(&timer2) >= PULSE_WIDTH) {
send_pulse = 0;
pin_write(&D[3],ZERO_DUTY);
}
if (timer_read(&timer2) >= ECHO_TIME)
{
if (pin_read(&D[4]) && get_distance)
{
printf("%d\n", timer_read(&timer2));
get_distance = 0;
}
}
if (timer_flag(&timer3)) {
//show a heartbeat and a status message
timer_lower(&timer3);
led_toggle(&led1);
}
}
}
