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/* | ||
* blink.c: | ||
* Standard "blink" program in wiringPi. Blinks an LED connected | ||
* to the first GPIO pin. | ||
* | ||
* Copyright (c) 2012-2013 Gordon Henderson. <[email protected]> | ||
*********************************************************************** | ||
* This file is part of wiringPi: | ||
* https://projects.drogon.net/raspberry-pi/wiringpi/ | ||
* | ||
* wiringPi is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Lesser General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* wiringPi is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public License | ||
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>. | ||
*********************************************************************** | ||
*/ | ||
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#include <stdio.h> | ||
#include <wiringPi.h> | ||
#include <sys/time.h> | ||
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#define TRIG 15 | ||
#define ECHO 16 | ||
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float disT(void) | ||
{ | ||
struct timeval tv1; | ||
struct timeval tv2; | ||
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long start, stop; | ||
float dis; | ||
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digitalWrite(TRIG, LOW); | ||
delayMicroseconds(2); | ||
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digitalWrite(TRIG, HIGH); | ||
delayMicroseconds(10); | ||
digitalWrite(TRIG, LOW); | ||
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while(!(digitalRead(ECHO) == 1)) { | ||
gettimeofday(&tv1, NULL); | ||
} | ||
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while(!(digitalRead(ECHO) == 0)) { | ||
if(tv2.tv_sec - tv1.tv_sec > 10) break; | ||
gettimeofday(&tv2, NULL); | ||
} | ||
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start = tv1.tv_sec * 1000000 + tv1.tv_usec; | ||
stop = tv2.tv_sec * 1000000 + tv2.tv_usec; | ||
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dis = (float) (stop - start) / 1000000 * 34000 / 2; | ||
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return dis; | ||
} | ||
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int main (void) | ||
{ | ||
float dis; | ||
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wiringPiSetup () ; | ||
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pinMode(TRIG, OUTPUT); | ||
pinMode(ECHO, INPUT); | ||
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while(1) | ||
{ | ||
dis = disT(); | ||
printf("dis: %f \n", dis); | ||
delay(1200); | ||
} | ||
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return 0 ; | ||
} |
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/* | ||
* blink.c: | ||
* Standard "blink" program in wiringPi. Blinks an LED connected | ||
* to the first GPIO pin. | ||
* | ||
* Copyright (c) 2012-2013 Gordon Henderson. <[email protected]> | ||
*********************************************************************** | ||
* This file is part of wiringPi: | ||
* https://projects.drogon.net/raspberry-pi/wiringpi/ | ||
* | ||
* wiringPi is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Lesser General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* wiringPi is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public License | ||
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>. | ||
*********************************************************************** | ||
*/ | ||
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#include <stdio.h> | ||
#include <wiringPi.h> | ||
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// LED Pin - wiringPi pin 0 is BCM_GPIO 17. | ||
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#define LED 0 | ||
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int leds[] = {16, 15,13, 9}; | ||
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//16 15 13 9 | ||
int main (void) | ||
{ | ||
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int i; | ||
printf ("Raspberry Pi blink\n") ; | ||
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wiringPiSetup () ; | ||
pinMode (16, OUTPUT) ; | ||
pinMode (15, OUTPUT) ; | ||
pinMode (13, OUTPUT) ; | ||
pinMode (9, OUTPUT) ; | ||
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for (;;) | ||
{ | ||
for(i=0; i<4; i++) { | ||
digitalWrite (leds[i], HIGH) ; // On | ||
delay (20) ; // mS | ||
digitalWrite (leds[i], LOW) ; // Off | ||
delay (20) ; | ||
} | ||
delay(800); | ||
} | ||
return 0 ; | ||
} |
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/* | ||
* serialTest.c: | ||
* Very simple program to test the serial port. Expects | ||
* the port to be looped back to itself | ||
* | ||
* Copyright (c) 2012-2013 Gordon Henderson. <[email protected]> | ||
*********************************************************************** | ||
* This file is part of wiringPi: | ||
* https://projects.drogon.net/raspberry-pi/wiringpi/ | ||
* | ||
* wiringPi is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Lesser General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* wiringPi is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public License | ||
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>. | ||
*********************************************************************** | ||
*/ | ||
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#include <stdio.h> | ||
#include <string.h> | ||
#include <errno.h> | ||
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#include <wiringPi.h> | ||
#include <wiringSerial.h> | ||
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int main () | ||
{ | ||
int fd ; | ||
int count ; | ||
unsigned int nextTime ; | ||
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if ((fd = serialOpen ("/dev/ttyAMA0", 115200)) < 0) | ||
{ | ||
fprintf (stderr, "Unable to open serial device: %s\n", strerror (errno)) ; | ||
return 1 ; | ||
} | ||
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if (wiringPiSetup () == -1) | ||
{ | ||
fprintf (stdout, "Unable to start wiringPi: %s\n", strerror (errno)) ; | ||
return 1 ; | ||
} | ||
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nextTime = millis () + 300 ; | ||
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for (count = 0 ; count < 256 ; ) | ||
{ | ||
if (millis () > nextTime) | ||
{ | ||
printf ("\nOut: %3d: ", count) ; | ||
fflush (stdout) ; | ||
serialPutchar (fd, count) ; | ||
nextTime += 300 ; | ||
++count ; | ||
} | ||
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delay (3) ; | ||
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while (serialDataAvail (fd)) | ||
{ | ||
printf (" -> %3d", serialGetchar (fd)) ; | ||
fflush (stdout) ; | ||
} | ||
} | ||
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printf ("\n") ; | ||
return 0 ; | ||
} |
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/* | ||
* servo.c: | ||
* Test of the softServo code. | ||
* Do not use this code - use the servoBlaster kernel module instead | ||
* | ||
* Copyright (c) 2012-2013 Gordon Henderson. <[email protected]> | ||
*********************************************************************** | ||
* This file is part of wiringPi: | ||
* https://projects.drogon.net/raspberry-pi/wiringpi/ | ||
* | ||
* wiringPi is free software: you can redistribute it and/or modify | ||
* it under the terms of the GNU Lesser General Public License as published by | ||
* the Free Software Foundation, either version 3 of the License, or | ||
* (at your option) any later version. | ||
* | ||
* wiringPi is distributed in the hope that it will be useful, | ||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
* GNU Lesser General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU Lesser General Public License | ||
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>. | ||
*********************************************************************** | ||
*/ | ||
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#include <stdio.h> | ||
#include <errno.h> | ||
#include <string.h> | ||
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#include <wiringPi.h> | ||
#include <softServo.h> | ||
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int main (int argc, char *argv[]) | ||
{ | ||
if (wiringPiSetup () == -1) | ||
{ | ||
fprintf (stdout, "oops: %s\n", strerror (errno)) ; | ||
return 1 ; | ||
} | ||
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int du = atoi(argv[2]) ; | ||
int de = atoi(argv[1]) ; | ||
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du = (du == 0) ? 1000 : du; | ||
de = (de == 0) ? 1000 : de; | ||
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softServoSetup (0, 1, 2, 3, 4, 5, 6, 16) ; | ||
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softServoWrite (0, 0) ; | ||
/* | ||
softServoWrite (1, 1000) ; | ||
softServoWrite (2, 1100) ; | ||
softServoWrite (3, 1200) ; | ||
softServoWrite (4, 1300) ; | ||
softServoWrite (5, 1400) ; | ||
softServoWrite (6, 1500) ; | ||
softServoWrite (7, 2200) ; | ||
*/ | ||
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//softServoWrite (16, du) ; | ||
// delay (1500) ; | ||
for (;;) { | ||
softServoWrite (16, de) ; | ||
delay (du) ; | ||
softServoWrite (16, 0) ; | ||
delay (du) ; | ||
printf("%d \n", de); | ||
softServoWrite (16, 0-de) ; | ||
delay (du) ; | ||
softServoWrite (16, 0) ; | ||
delay (du) ; | ||
} | ||
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} |
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