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Récupération de la position

This commit is contained in:
Geoffrey Frogeye 2018-04-04 16:17:13 +02:00
parent befacfdc78
commit b8f6d1e0bd
22 changed files with 505 additions and 216 deletions

6
.gitmodules vendored
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@ -1,12 +1,6 @@
[submodule "root/buildroot"] [submodule "root/buildroot"]
path = root/buildroot path = root/buildroot
url = git://git.buildroot.net/buildroot url = git://git.buildroot.net/buildroot
[submodule "ardPince/Arduino-Makefile"]
path = ardPince/Arduino-Makefile
url = https://github.com/sudar/Arduino-Makefile
[submodule "ardMoteur/Arduino-Makefile"]
path = ardMoteur/Arduino-Makefile
url = https://github.com/sudar/Arduino-Makefile
[submodule "fpga/uart"] [submodule "fpga/uart"]
path = fpga/uart path = fpga/uart
url = https://github.com/pabennett/uart.git url = https://github.com/pabennett/uart.git

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@ -5,7 +5,7 @@ CC=gcc
# Bibliothèques # Bibliothèques
LIBS= LIBS=
## Drapeaux pour le linker ## Drapeaux pour le linker
LDFLAGS=-lpthread LDFLAGS_CUSTOM += -lpthread -lwiringPi
## Drapeaux pour le compilateur ## Drapeaux pour le compilateur
CFLAGS= CFLAGS=
## Générateurs de drapeaux pour les bibliothèques ## Générateurs de drapeaux pour les bibliothèques
@ -13,7 +13,7 @@ PKG_CONFIG=pkg-config
# VARIABLES AUTOMATIQUES # VARIABLES AUTOMATIQUES
ifdef LIBS ifdef LIBS
LDFLAGS += $(shell $(PKG_CONFIG) --libs $(LIBS)) LDFLAGS_CUSTOM += $(shell $(PKG_CONFIG) --libs $(LIBS))
CFLAGS += $(shell $(PKG_CONFIG) --cflags $(LIBS)) CFLAGS += $(shell $(PKG_CONFIG) --cflags $(LIBS))
endif endif
@ -25,7 +25,7 @@ CFLAGS += -Wall -Wextra -pedantic -g -DDEBUG
# Génération des fichiers éxecutables # Génération des fichiers éxecutables
bin/%: obj/%.o bin/%: obj/%.o
$(CC) $(LDFLAGS) $^ -o $@ $(CC) $(LDFLAGS_CUSTOM) $^ -o $@
# On enlève les symboles inutiles pour gagner en temps de chargement de l'éxecutable # On enlève les symboles inutiles pour gagner en temps de chargement de l'éxecutable
ifeq ($(DEBUG),no) ifeq ($(DEBUG),no)
strip $@ strip $@
@ -34,12 +34,14 @@ endif
# RÈGLES DE COMPILATION # RÈGLES DE COMPILATION
# Règle éxecutée par défaut (quand on fait juste `make`) # Règle éxecutée par défaut (quand on fait juste `make`)
default: bin/testpin bin/premier default: bin/testpin bin/premier bin/local
# Binaires (dont il faut spécifier les objets explicitement) # Binaires (dont il faut spécifier les objets explicitement)
bin/premier: obj/CA.o obj/debug.o obj/movement.o bin/premier: obj/CF.o obj/movement.o obj/debug.o obj/position.o
bin/testPin: obj/testPin.o bin/testPin: obj/testPin.o
$(CC) $(LDFLAGS) $^ -lwiringPi -o $@
bin/local: obj/local.o obj/CF.o obj/position.o
$(CC) -lpthread $^ -o $@
# Génération des fichiers objets # Génération des fichiers objets
obj/%.o: src/%.c src/%.h obj/%.o: src/%.c src/%.h

2
chef/log/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
*
!.gitignore

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@ -1 +0,0 @@
../../arduino/ACsignals.h

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@ -1 +0,0 @@
../../arduino/AFsignals.h

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@ -1,31 +0,0 @@
#ifndef __AC_H_
#define __AC_H_
#include <sys/ioctl.h>
#include <pthread.h>
#include <termios.h> // baudrates
#include <stdbool.h>
#include "ACsignals.h"
#define ARDUINO_PORTNAME "/dev/ttyACM0"
#define CA_BAUDRATE B9600
// #define PRINTRAWDATA
int arduino;
pthread_mutex_t sSendCA;
pthread_t tReaderAC;
typedef void (*rxHandler)(void);
rxHandler rxHandlersAC[256];
bool pret;
void registerRxHandler(unsigned char code, rxHandler handler); // À utiliser après configureCA();
void sendByteCA(unsigned char data); // Privé
void sendCA(unsigned char code, void* data, size_t size);
unsigned char readByteCA(); // À utiliser uniquement depuis un rxHandler
void readCA(void* data, size_t size); // À utiliser uniquement depuis un rxHandler
void configureCA();
void deconfigureCA();
#endif

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@ -1,4 +1,4 @@
#include "CA.h" #include "CF.h"
#include <fcntl.h> // O_* #include <fcntl.h> // O_*
#include <stdio.h> // printf... #include <stdio.h> // printf...
#include <stdlib.h> // stuff #include <stdlib.h> // stuff
@ -21,13 +21,13 @@ void printData(void* data, size_t size)
printf("\n"); printf("\n");
} }
void configureArduino() void configureFpga()
{ {
// Connection au port série // Connection au port série
printf("Connexion à %s... ", ARDUINO_PORTNAME); printf("Connexion à %s... ", FPGA_PORTNAME);
fflush(stdout); fflush(stdout);
arduino = open(ARDUINO_PORTNAME, O_RDWR | O_NOCTTY | O_NDELAY); fpga = open(FPGA_PORTNAME, O_RDWR | O_NOCTTY | O_NDELAY);
if (arduino < 0) { if (fpga < 0) {
printf("Échec !\n"); printf("Échec !\n");
exit(1); exit(1);
} }
@ -35,13 +35,13 @@ void configureArduino()
// Configuration du port série // Configuration du port série
struct termios cfg; struct termios cfg;
bzero(&cfg, sizeof(cfg)); bzero(&cfg, sizeof(cfg));
cfg.c_cflag = CLOCAL | CREAD | CA_BAUDRATE | CS8; cfg.c_cflag = CLOCAL | CREAD | CF_BAUDRATE | CS8;
cfg.c_iflag = 0; cfg.c_iflag = 0;
cfg.c_oflag = 0; cfg.c_oflag = 0;
cfg.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */ cfg.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
cfg.c_cc[VTIME] = 0; /* inter-character timer unused */ cfg.c_cc[VTIME] = 0; /* inter-character timer unused */
cfg.c_cc[VMIN] = 1; /* blocking read until 1 char received */ cfg.c_cc[VMIN] = 1; /* blocking read until 1 char received */
if (tcsetattr(arduino, TCSANOW, &cfg) < 0) { if (tcsetattr(fpga, TCSANOW, &cfg) < 0) {
perror("serialConfig.tcsetattr"); perror("serialConfig.tcsetattr");
exit(1); exit(1);
} }
@ -50,14 +50,14 @@ void configureArduino()
// Flush // Flush
unsigned char trash[1024]; unsigned char trash[1024];
read(arduino, &trash, sizeof(trash)); read(fpga, &trash, sizeof(trash));
printf("OK!\n"); printf("OK!\n");
} }
void deconfigureArduino() void deconfigureFpga()
{ {
close(arduino); close(fpga);
printf("Déconnecté\n"); printf("Déconnecté\n");
} }
@ -71,7 +71,7 @@ void* TaskReaderAC(void* pdata)
(void)pdata; (void)pdata;
unsigned char code; unsigned char code;
for (;;) { for (;;) {
code = readByteCA(); code = readByteCF();
#ifdef PRINTRAWDATA #ifdef PRINTRAWDATA
printf(""); printf("");
@ -87,10 +87,10 @@ void* TaskReaderAC(void* pdata)
return NULL; return NULL;
} }
void onA2CD_ERR() void onF2CD_ERR()
{ {
struct A2CD_ERRs s; struct F2CD_ERRs s;
readCA(&s, sizeof(struct A2CD_ERRs)); readCF(&s, sizeof(struct F2CD_ERRs));
printf("Erreur reçue : %c (%2x)\n", s.code, s.code); printf("Erreur reçue : %c (%2x)\n", s.code, s.code);
} }
@ -104,56 +104,44 @@ void doNothing()
} }
void configureCA() void configureCF()
{ {
configureArduino(); configureFpga();
for (int i = 0; i < 256; i++) { for (int i = 0; i < 256; i++) {
rxHandlersAC[i] = NULL; rxHandlersAC[i] = NULL;
} }
pthread_mutex_init(&sSendCA, NULL); pthread_mutex_init(&sSendCF, NULL);
pthread_create(&tReaderAC, NULL, TaskReaderAC, NULL); pthread_create(&tReaderAC, NULL, TaskReaderAC, NULL);
printf("Attente de réponse de l'Arduino... "); printf("Attente de réponse de l'Fpga... ");
fflush(stdout); fflush(stdout);
struct timespec tim; struct timespec tim;
tim.tv_sec = 0; tim.tv_sec = 0;
tim.tv_nsec = 100000000L; tim.tv_nsec = 100000000L;
// Dans le cas où on aurait laissé l'Arduino en attente de donnée, // Dans le cas où on aurait laissé l'Fpga en attente de donnée,
// on envoie des pings en boucle jusqu'à ce qu'il nous réponde. // on envoie des pings en boucle jusqu'à ce qu'il nous réponde.
pret = false; pret = false;
registerRxHandler(C2AD_PING, setPret); registerRxHandler(C2FD_PING, setPret);
while (!pret) { while (!pret) {
sendCA(C2AD_PING, NULL, 0); sendCF(C2FD_PING, NULL, 0);
nanosleep(&tim, NULL); nanosleep(&tim, NULL);
} }
registerRxHandler(C2AD_PING, doNothing); registerRxHandler(C2FD_PING, doNothing); // TODO
registerRxHandler(C2FD_PING, NULL);
// Dans le cas où les données de ping complèteraient une commande de déplacement,
// on envoie un STOP en préventif. Ça permet aussi d'attendre que les PING
// en trop aient été absorbés
pret = false;
registerRxHandler(C2AD_STOP, setPret);
sendCA(C2AD_STOP, NULL, 0);
while (!pret) {
nanosleep(&tim, NULL);
}
registerRxHandler(C2AD_STOP, NULL);
registerRxHandler(C2AD_PING, NULL);
printf("OK !\n"); printf("OK !\n");
registerRxHandler(A2CD_ERR, onA2CD_ERR); registerRxHandler(F2CD_ERR, onF2CD_ERR);
} }
void deconfigureCA() void deconfigureCF()
{ {
deconfigureArduino(); deconfigureFpga();
} }
void sendByteCA(unsigned char data) void sendByteCF(unsigned char data)
{ {
write(arduino, &data, sizeof(data)); write(fpga, &data, sizeof(data));
#ifdef PRINTRAWDATA #ifdef PRINTRAWDATA
printf(""); printf("");
@ -161,20 +149,20 @@ void sendByteCA(unsigned char data)
#endif #endif
} }
void sendCA(unsigned char code, void* data, size_t size) void sendCF(unsigned char code, void* data, size_t size)
{ {
pthread_mutex_lock(&sSendCA); pthread_mutex_lock(&sSendCF);
sendByteCA(code); sendByteCF(code);
if (size > 0) { if (size > 0) {
unsigned char* p = data; unsigned char* p = data;
for (size_t i = 0; i < size; i++) { for (size_t i = 0; i < size; i++) {
write(arduino, p, sizeof(unsigned char)); write(fpga, p, sizeof(unsigned char));
p++; p++;
} }
// Envoyer plus d'un octet d'un coup curieusement il aime pas ça du tout // Envoyer plus d'un octet d'un coup curieusement il aime pas ça du tout
} }
pthread_mutex_unlock(&sSendCA); pthread_mutex_unlock(&sSendCF);
#ifdef PRINTRAWDATA #ifdef PRINTRAWDATA
if (size > 0) { if (size > 0) {
@ -184,11 +172,11 @@ void sendCA(unsigned char code, void* data, size_t size)
#endif #endif
} }
unsigned char readByteCA() unsigned char readByteCF()
{ {
unsigned char c; unsigned char c;
while (read(arduino, &c, sizeof(c)) < 1) { while (read(fpga, &c, sizeof(c)) < 1) {
sleep(0); sleep(0);
} }
return c; return c;
@ -199,13 +187,13 @@ unsigned char readByteCA()
#endif #endif
} }
void readCA(void* data, size_t size) void readCF(void* data, size_t size)
{ {
size_t remaining = size; size_t remaining = size;
int justRead; int justRead;
char* p = data; char* p = data;
do { do {
justRead = read(arduino, p, remaining); justRead = read(fpga, p, remaining);
if (justRead > 0) { if (justRead > 0) {
p += justRead; p += justRead;
remaining -= justRead; remaining -= justRead;

31
chef/src/CF.h Normal file
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@ -0,0 +1,31 @@
#ifndef __AC_H_
#define __AC_H_
#include <sys/ioctl.h>
#include <pthread.h>
#include <termios.h> // baudrates
#include <stdbool.h>
#include "CFsignals.h"
#define FPGA_PORTNAME "/dev/ttyUSB0"
#define CF_BAUDRATE B9600
// #define PRINTRAWDATA
int fpga;
pthread_mutex_t sSendCF;
pthread_t tReaderAC;
typedef void (*rxHandler)(void);
rxHandler rxHandlersAC[256];
bool pret;
void registerRxHandler(unsigned char code, rxHandler handler); // À utiliser après configureCF();
void sendByteCF(unsigned char data); // Privé
void sendCF(unsigned char code, void* data, size_t size);
unsigned char readByteCF(); // À utiliser uniquement depuis un rxHandler
void readCF(void* data, size_t size); // À utiliser uniquement depuis un rxHandler
void configureCF();
void deconfigureCF();
#endif

62
chef/src/CFsignals.h Normal file
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@ -0,0 +1,62 @@
/*
* Définition des signaux échagés entre l'Arduino et le chef
*/
#ifndef __CFSIGNALS_H_
#define __CFSIGNALS_H_
#include <stdint.h>
// Structures used everywhere
// D: Direct
// Sens naturel : Envoi de donnée
// Sens inverse : Accusé de réception
// I: Indirect
// Sens inverse : Demande de donnée
// Sens naturel : Envoi de donnée
// T: Trigger
// Sens inverse : Paramètrage du trigger
// Sens naturel : Envoi de trigger
// Arduino → FPGA
// Pour le debug
#define C2FD_PING 'P'
// FPGA → Arduino
// Erreur quelconque
#define F2CD_ERR 'E'
struct __attribute__ ((packed)) F2CD_ERRs {
unsigned char code;
};
#define ERR_UNKNOWN_CODE 'C'
// Récupère les valeur des encodeurs
#define F2CI_CODER 'D'
struct __attribute__ ((packed)) F2CI_CODERs {
int16_t dL;
int16_t dR;
};
// Récupère les valeur des capteurs de distance
#define F2CI_CAPT 'C'
struct __attribute__ ((packed)) F2CI_CAPTs {
uint16_t front;
uint16_t back;
};
// Récupère les valeur des capteurs de distance (trigger au supérieur)
#define F2CT_CAPT 'c'
// /!\ Structure de la requête de trigger (A→F). Les données seront envoyées avec F2CI_CAPT
struct __attribute__ ((packed)) F2CT_CAPTs {
uint16_t front;
uint16_t back;
};
#endif

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@ -1,60 +1,69 @@
#include "debug.h" #include "debug.h"
#include <stdio.h> #include <stdio.h>
#include <unistd.h> // sleep #include <unistd.h> // sleep
#include <time.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include "position.h"
void* TaskDebug(void* pdata) void* TaskDebug(void* pdata)
{ {
(void)pdata; (void)pdata;
struct timespec tim; struct timespec tim; // 100 ms
/* tim.tv_sec = 0; */ tim.tv_sec = 0;
/* tim.tv_nsec = 100000000L; */ tim.tv_nsec = 100000000L;
tim.tv_sec = 1; /* tim.tv_sec = 1; */
tim.tv_nsec = 0; /* tim.tv_nsec = 0; */
char line[1024];
clock_t t;
for (;;) { for (;;) {
// Calculating time index
t = clock() - debugStart;
// Generating line
sprintf(line, "%ld,%d,%ld,%ld\n", t, nbCalcPos, lCodTot, rCodTot);
// Writing
write(debugFd, line, strlen(line));
// Sleeping
nanosleep(&tim, NULL); nanosleep(&tim, NULL);
sendCA(A2CI_DBG, NULL, 0);
} }
return NULL; return NULL;
} }
void printDebugInfos(struct A2CI_DBGs* debug)
{
// Position
printf("← + % .6g; % .6g % .6g°", debug->actuel.x, debug->actuel.y, debug->actuel.o);
// Frequence de calcul de la position
printf(" % 5d☼", debug->nbCalcPos);
// Delta codeuses
printf(", %5d↿↾%-5d", debug->deltaCoder.dL, debug->deltaCoder.dR);
// Destination
printf(", ");
if (debug->movement == C2AD_BRAKE) {
printf("\n");
} else if (debug->movement == C2AD_FREE) {
printf("\n");
} else {
printf("↑ % .6g; % .6g % .6g°\n", debug->destination.x, debug->destination.y, debug->destination.o);
}
}
void onA2CI_DBG()
{
readCA(&debug, sizeof(struct A2CI_DBGs));
printDebugInfos(&debug);
}
void configureDebug() void configureDebug()
{ {
registerRxHandler(A2CI_DBG, onA2CI_DBG); debugStart = clock();
#ifdef REGULARREPORTS
// Génération du nom de fichier
char path[256];
time_t startTime;
time(&startTime);
sprintf(path, "log/%ld.csv", startTime);
// Open file
debugFd = open(path, O_WRONLY | O_APPEND | O_CREAT, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
if (debugFd < 0) {
fprintf(stderr, "Impossible d'ouvrir le fichier '%s', debug désactivé.\n", path);
return;
}
char header[] = "time,nbCalcPos,lCodTot,rCodTot\n";
write(debugFd, header, strlen(header));
pthread_create(&tDebug, NULL, TaskDebug, NULL); pthread_create(&tDebug, NULL, TaskDebug, NULL);
#endif
} }
void deconfigureDebug() void deconfigureDebug()
{ {
#ifdef REGULARREPORTS
pthread_cancel(tDebug); pthread_cancel(tDebug);
#endif close(debugFd);
} }

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@ -2,14 +2,14 @@
#define __DEBUG_H_ #define __DEBUG_H_
#include <pthread.h> #include <pthread.h>
#include "CA.h" #include <time.h>
#define REGULARREPORTS
clock_t debugStart;
int debugFd;
struct A2CI_DBGs debug;
pthread_t tDebug; pthread_t tDebug;
void* TaskDebug(void *pdata); void* TaskDebug(void *pdata);
void onA2CI_DBG();
void configureDebug(); void configureDebug();
void deconfigureDebug(); void deconfigureDebug();

29
chef/src/local.c Normal file
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@ -0,0 +1,29 @@
#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>
#include <unistd.h> // sleep
#include "CF.h"
#include "position.h"
#define TEMPSMAX 10
int main()
{
printf("Démarrage...\n");
configureCF();
configurePosition();
srand(time(NULL));
printf("C'est parti !\n");
sleep(TEMPSMAX);
printf("Fin des %d secondes\n", TEMPSMAX);
deconfigureCF();
return EXIT_SUCCESS;
}

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@ -1,70 +1,92 @@
#include "movement.h" #include "movement.h"
#include "CA.h"
#include <stdbool.h> #include <stdbool.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <math.h>
void onC2AD_STOP() void configureMovement()
{ {
// On considère que l'arrêt se fait très rapidement pour ne pas if (wiringPiSetup() == -1) {
// avoir à attendre le signal de retour de C2AD_STOP fprintf(stderr, "Impossible d'initialiser WiringPi\n");
registerRxHandler(C2AD_STOP, NULL);
}
void stop()
{
printf("→ Arrêt\n");
registerRxHandler(C2AD_STOP, onC2AD_STOP);
sendCA(C2AD_STOP, NULL, 0);
}
void onC2AD_BRAKE()
{
// On considère que l'arrêt se fait très rapidement pour ne pas
// avoir à attendre le signal de retour de C2AD_BRAKE
registerRxHandler(C2AD_BRAKE, NULL);
}
void brake()
{
printf("→ Frein\n");
registerRxHandler(C2AD_BRAKE, onC2AD_BRAKE);
sendCA(C2AD_BRAKE, NULL, 0);
}
// Inspiré de https://stackoverflow.com/a/1760819
pthread_mutex_t reponseMutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t reponseCond = PTHREAD_COND_INITIALIZER;
bool attenteReponse = false;
void onC2AD_GOTO()
{
pthread_mutex_lock(&reponseMutex);
attenteReponse = false;
pthread_cond_signal(&reponseCond);
pthread_mutex_unlock(&reponseMutex);
}
void aller(struct position* pos)
{
printf("→ Déplacement vers (%f; %f) (%f°)\n", pos->x, pos->y, pos->o);
if (attenteReponse) {
printf("Déjà en déplacement !\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
attenteReponse = true; pinMode(ENA, PWM_OUTPUT);
pinMode(ENB, PWM_OUTPUT);
registerRxHandler(C2AD_GOTO, onC2AD_GOTO); }
sendCA(C2AD_GOTO, (struct C2AD_GOTOs*)pos, sizeof(struct C2AD_GOTOs));
void aller(struct position* pos);
pthread_mutex_lock(&reponseMutex);
while (attenteReponse) { int dbg = 0;
pthread_cond_wait(&reponseCond, &reponseMutex);
} int changerMoteurs(float lVit, float rVit)
pthread_mutex_unlock(&reponseMutex); {
// Gauche
registerRxHandler(C2AD_GOTO, NULL); bool lFor = lVit < 0;
float lVolt = fabs(lVit); // TODO Utiliser les vitesses
printf("← Arrivé à destination\n"); if (lVolt > MOT_MAX_V) {
lVolt = MOT_MAX_V;
}
if (lVolt < MOT_MIN_V) {
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
printf("x");
} else if (lFor) {
digitalWrite(IN1, HIGH);
digitalWrite(IN2, LOW);
printf("");
} else {
digitalWrite(IN1, LOW);
digitalWrite(IN2, HIGH);
printf("");
}
int lAbs = lVolt * PWM_MAX / PWM_MAX_V;
pwmWrite(ENA, lAbs);
printf("%6d", lAbs);
// Droite
bool rFor = rVit < 0;
float rVolt = fabs(rVit); // TODO Utiriser res vitesses
if (rVolt > MOT_MAX_V) {
rVolt = MOT_MAX_V;
}
if (rVolt < MOT_MIN_V) {
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
printf("x");
} else if (rFor) {
digitalWrite(IN3, HIGH);
digitalWrite(IN4, LOW);
printf("");
} else {
digitalWrite(IN3, LOW);
digitalWrite(IN4, HIGH);
printf("");
}
int rAbs = rVolt * PWM_MAX / PWM_MAX_V;
pwmWrite(ENB, rAbs);
printf("%6d", rAbs);
printf("\n");
}
int brake()
{
digitalWrite(IN1, LOW);
digitalWrite(IN2, LOW);
digitalWrite(IN3, LOW);
digitalWrite(IN4, LOW);
}
int freewheel()
{
digitalWrite(IN1, HIGH);
digitalWrite(IN2, HIGH);
digitalWrite(IN3, HIGH);
digitalWrite(IN4, HIGH);
}
void deconfigureMovement()
{
} }

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@ -1,8 +1,40 @@
/*
* Fonctions de déplacment du robot
*/
#ifndef __MOVEMENT_H_
#define __MOVEMENT_H_
#include "position.h"
#include <wiringPi.h>
#define PWM_MAX 1023
#define PWM_MAX_V 3.3
#define MOT_MIN_V 0.1
#define MOT_MAX_V 2.0
// Pins definition
// Physical 32
#define ENA 26
#define IN1 2
#define IN2 3
// Physical 33
#define ENB 23
#define IN3 4
#define IN4 5
int bouger(float vitL, float vitR); void configureMovement();
void aller(struct position* pos);
int changerMoteurs(float vitL, float vitR);
// Vitesse en mm/s // Vitesse en mm/s
// Vitesse < 0 ⇒ sens inverse // Vitesse < 0 ⇒ sens inverse
// Si vitesse < seuil ⇒ brake // Si vitesse < seuil ⇒ brake
int brake(); int brake();
int stop();
int freewheel(); int freewheel();
void deconfigureMovement();
#endif

53
chef/src/position.c Normal file
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@ -0,0 +1,53 @@
/*
* Fonctions de calcul de la position du robot
*/
#include "position.h"
#include <stdio.h>
void* TaskPosition(void* pData)
{
(void)pData;
nbCalcPos = 0;
lCodTot = 0;
rCodTot = 0;
pthread_mutex_init(&posPolling, NULL);
for (;;) {
// Sending
pthread_mutex_lock(&posPolling);
sendCF(F2CI_CODER, NULL, 0);
// Waiting for reception
pthread_mutex_lock(&posPolling);
pthread_mutex_unlock(&posPolling);
// Calculation
nbCalcPos++;
lCodTot += deltaCoders.dL;
rCodTot += deltaCoders.dR;
}
return NULL;
}
void onF2CI_CODER()
{
readCF(&deltaCoders, sizeof(struct F2CI_CODERs));
pthread_mutex_unlock(&posPolling);
}
void configurePosition()
{
pthread_create(&tPosition, NULL, TaskPosition, NULL);
registerRxHandler(F2CI_CODER, onF2CI_CODER);
}
void deconfigurePosition()
{
pthread_cancel(tPosition);
}

34
chef/src/position.h Normal file
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@ -0,0 +1,34 @@
/*
* Fonctions de calcul de la position du robot
*/
#ifndef __POSITION_H_
#define __POSITION_H_
#include "CF.h"
#include <pthread.h>
struct __attribute__ ((packed)) position {
float x;
float y;
float o;
};
struct position actuel;
struct F2CI_CODERs deltaCoders;
// Debug
unsigned int nbCalcPos;
long lCodTot, rCodTot;
//
pthread_mutex_t posPolling;
pthread_t tPosition;
// Fonctions
void configurePosition();
void deconfigurePosition();
#endif

View file

@ -4,8 +4,9 @@
#include <pthread.h> #include <pthread.h>
#include <unistd.h> // sleep #include <unistd.h> // sleep
#include "CA.h" #include "CF.h"
#include "movement.h" #include "movement.h"
#include "position.h"
#include "debug.h" #include "debug.h"
#define TEMPSMAX 60 #define TEMPSMAX 60
@ -14,15 +15,42 @@ void* TaskParcours(void *pdata)
{ {
(void) pdata; (void) pdata;
struct position pos; /* struct position pos; */
/* for (;;) { */
/* pos.x = (int) (rand()*200.0/RAND_MAX); */
/* pos.y = (int) (rand()*100.0/RAND_MAX); */
/* pos.o = (int) (rand()*360.0/RAND_MAX); */
/* aller(&pos); */
/* sleep(1); */
/* brake(); */
/* sleep(2); */
/* } */
struct timespec tim; // 10 ms
tim.tv_sec = 0;
tim.tv_nsec = 10000000L;
#define RAMP_TIME 100
#define MAX_VIT MOT_MAX_V
for (;;) { for (;;) {
pos.x = (int) (rand()*200.0/RAND_MAX); // ↗
pos.y = (int) (rand()*100.0/RAND_MAX); for (int i = 0; i < RAMP_TIME; i++) {
pos.o = (int) (rand()*360.0/RAND_MAX); float p = (float) i / (float) RAMP_TIME;
aller(&pos); changerMoteurs(p * MOT_MAX_V, p * MOT_MAX_V);
sleep(1); nanosleep(&tim, NULL);
brake(); }
changerMoteurs(MOT_MAX_V, MOT_MAX_V);
// ↑
sleep(2); sleep(2);
// ↘
for (int i = 0; i < RAMP_TIME; i++) {
float p = (float) i / (float) RAMP_TIME;
p = 1 - p;
changerMoteurs(p * MOT_MAX_V, p * MOT_MAX_V);
nanosleep(&tim, NULL);
}
sleep(5);
} }
printf("Fin du parcours\n"); printf("Fin du parcours\n");
@ -33,17 +61,17 @@ int main()
{ {
printf("Démarrage...\n"); printf("Démarrage...\n");
configureCA(); configureCF();
configureDebug(); configureDebug();
configureMovement();
configurePosition();
srand(time(NULL)); srand(time(NULL));
/* printf("Synchronisation avec le Raspberry Pi\n"); // TODO */
/* printf("En attente de la tirette...\n"); // TODO */ /* printf("En attente de la tirette...\n"); // TODO */
printf("C'est parti !\n"); printf("C'est parti !\n");
/* pthread_t tParcours; */ pthread_t tParcours;
/* pthread_create(&tParcours, NULL, TaskParcours, NULL); */ pthread_create(&tParcours, NULL, TaskParcours, NULL);
sleep(TEMPSMAX); sleep(TEMPSMAX);
@ -51,9 +79,11 @@ int main()
/* pthread_cancel(tParcours); */ /* pthread_cancel(tParcours); */
stop(); /* stop(); */
deconfigureMovement();
deconfigurePosition();
deconfigureDebug(); deconfigureDebug();
deconfigureCA(); deconfigureCF();
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }

View file

@ -92,7 +92,6 @@ upgrade-fpga:
# CHEF # CHEF
prog: chef
chef: chef:
make -C buildroot chef-rebuild make -C buildroot chef-rebuild

View file

@ -0,0 +1,34 @@
#!/bin/sh
#
# Loads required hardware modules
#
start() {
printf "Starting hardware handling: "
modprobe pl2303 # USB↔Serial cable
echo "OK"
}
stop() {
printf "Stopping hardware handling: "
rmmod pl2303 # USB↔Serial cable
echo "OK"
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart|reload)
stop
start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac
exit $?

View file

@ -5,10 +5,10 @@
start() { start() {
printf "Starting extra services: " printf "Starting extra services: "
if ! /opt/cdf/bin/testpin 0 1 # if ! /opt/cdf/bin/testpin 0 1
then # then
/etc/extra.d/rcS /etc/extra.d/rcS
fi # fi
echo "OK" echo "OK"
} }

View file

@ -7,7 +7,7 @@ alias mv="mv -i"
alias free='free -m' alias free='free -m'
alias df='df -h' alias df='df -h'
export PS1="[\u@\h \$] " export PS1="[\u@\h \W] "
export PS2="> " export PS2="> "
export PS3="+ " export PS3="+ "
export PS4="- " export PS4="- "

View file

@ -16,6 +16,7 @@ endef
define CHEF_INSTALL_TARGET_CMDS define CHEF_INSTALL_TARGET_CMDS
$(INSTALL) -d -m 0755 $(TARGET_DIR)/opt/chef/bin $(INSTALL) -d -m 0755 $(TARGET_DIR)/opt/chef/bin
$(INSTALL) -d -m 0755 $(TARGET_DIR)/opt/chef/com $(INSTALL) -d -m 0755 $(TARGET_DIR)/opt/chef/com
$(INSTALL) -d -m 0755 $(TARGET_DIR)/opt/chef/log
$(INSTALL) -D -m 0755 $(@D)/bin/* $(TARGET_DIR)/opt/chef/bin $(INSTALL) -D -m 0755 $(@D)/bin/* $(TARGET_DIR)/opt/chef/bin
$(INSTALL) -D -m 0755 $(@D)/run.sh $(TARGET_DIR)/opt/chef $(INSTALL) -D -m 0755 $(@D)/run.sh $(TARGET_DIR)/opt/chef
endef endef