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Gestion correcte de l'asservissement

This commit is contained in:
Geoffrey Frogeye 2018-05-11 15:58:18 +02:00
parent fe3ae8efe9
commit aa519e33bf
27 changed files with 972 additions and 449 deletions

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@ -11,7 +11,7 @@ CFLAGS_CUSTOM += -g
## Générateurs de drapeaux pour les bibliothèques
PKG_CONFIG=pkg-config
## Nom des objets communs
OBJS=actionneurs buttons CA debug diagnostics fpga i2c imu ihm lcd motor movement parcours points position securite
OBJS=actionneurs buttons CA common debug diagnostics dimensions fpga i2c imu ihm lcd motor movement parcours points position securite
OBJS_O=$(addprefix obj/,$(addsuffix .o,$(OBJS)))
# VARIABLES AUTOMATIQUES

46
chef/src/common.c Normal file
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@ -0,0 +1,46 @@
#include "common.h"
void diffTime(const struct timespec* debut, const struct timespec* fin, struct timespec* ecoule)
{
if ((fin->tv_nsec - debut->tv_nsec) < 0) {
ecoule->tv_sec = fin->tv_sec - debut->tv_sec - 1;
ecoule->tv_nsec = fin->tv_nsec - debut->tv_nsec + 1000000000UL;
} else {
ecoule->tv_sec = fin->tv_sec - debut->tv_sec;
ecoule->tv_nsec = fin->tv_nsec - debut->tv_nsec;
}
}
float diffTimeSec(const struct timespec* debut, const struct timespec* fin)
{
struct timespec ecoule;
diffTime(debut, fin, &ecoule);
return ecoule.tv_sec + ecoule.tv_nsec * 1E-9;
}
void resetPID(struct PID *pid)
{
clock_gettime(CLOCK_REALTIME, &pid->lastCalc);
pid->prevErr = 0;
pid->integErr = 0;
}
void initPID(struct PID *pid, float KP, float KI, float KD)
{
pid->KP = KP;
pid->KI = KI;
pid->KD = KD;
resetPID(pid);
}
float updatePID(struct PID *pid, float err)
{
struct timespec now;
clock_gettime(CLOCK_REALTIME, &now);
float dt = diffTimeSec(&pid->lastCalc, &now);
pid->integErr += (err + pid->prevErr) / 2 * dt;
float derivErr = (err - pid->prevErr) / dt;
pid->prevErr = err;
return pid->KP * err + pid->KI * pid->integErr + pid->KP * derivErr;
}

21
chef/src/common.h Normal file
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@ -0,0 +1,21 @@
#ifndef __COMMON_H_
#define __COMMON_H_
#include <time.h>
struct PID {
struct timespec lastCalc;
float KP;
float KI;
float KD;
float prevErr;
float integErr;
};
void diffTime(const struct timespec* debut, const struct timespec* fin, struct timespec* ecoule);
float diffTimeSec(const struct timespec* debut, const struct timespec* fin);
void resetPID(struct PID *pid);
void initPID(struct PID *pid, float KP, float KI, float KD);
float updatePID(struct PID *pid, float err);
#endif

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@ -137,7 +137,7 @@ void runDiagnostics()
{
execDiagnostic("Lien FPGA", diagFPGA, NULL);
execDiagnostic("Lien Arduino", diagArduino, NULL);
execDiagnostic("Lien IMU", diagIMU, NULL);
/* execDiagnostic("Lien IMU", diagIMU, NULL); */
int i;
i = 0;
execDiagnostic("Mot+Cod L AV", diagCodeuse, &i);

0
chef/src/dimensions.c Normal file
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@ -21,7 +21,7 @@
#define MOTOR_CONTROLLER_ALIMENTATION 24.0 // V (from elec)
#define MOTOR_CONTROLLER_REFERENCE 5.0 // V (from wiring)
#define MOTOR_SATURATION_MIN 0.0 // V (from random)
#define MOTOR_SATURATION_MAX 3.0 // V (from testing)
#define MOTOR_SATURATION_MAX 4.0 // V (from testing)
#define PWM_MAX 3.3 // V (from FPGA datasheet)
#define CODER_RESOLUTION 370.0 // cycles/motor rev
#define CODER_DATA_FACTOR 4.0 // increments/motor cycles
@ -32,16 +32,35 @@
#define CODER_FULL_RESOLUTION (CODER_DATA_RESOLUTION / REDUC_RATIO) // cycles / wheel rev
#define AV_PER_CYCLE (WHEEL_PERIMETER / CODER_FULL_RESOLUTION) // mm
// Pour éviter les pics de codeuse liées à la communication I2C
#define ABSOLUTE_MAX_VITESSE_ROBOT 10.0 // km/h
#define ABSOLUTE_MAX_VITESSE_ROBOT_MMP_S (ABSOLUTE_MAX_VITESSE_ROBOT * 10000.0 / 36.0) // mm/s
#define ABSOLUTE_MAX_VITESSE_ROBOT_REVP_S (ABSOLUTE_MAX_VITESSE_ROBOT_MMP_S / WHEEL_PERIMETER) // rev/s
#define ABSOLUTE_MAX_VITESSE_ROBOT_CYCP_S (ABSOLUTE_MAX_VITESSE_ROBOT_REVP_S * CODER_FULL_RESOLUTION) // cycle/s
// Constantes asservissement
#define D_DIR_ECART_MIN 7.0 // mm
#define D_DIR_ECART_MAX 10.0 // mm
#define O_DIR_ECART_MIN (5.0 / 360.0 * 2.0 * M_PI) // rad
#define O_DIR_ECART_MAX (25.0 / 360.0 * 2.0 * M_PI) // rad
#define O_ECART_MAX (25.0 / 360.0 * 2.0 * M_PI) // rad
#define O_GAIN 5.0
#define P 5.0
#define I 0.0
#define D 0.0
#define M 0.0
// Asservissement en distance
#define D_DIR_ECART_MIN 30.0 // mm
#define D_DIR_ECART_MAX 50.0 // mm
#define D_KP 0.05
#define D_KI 0.0
#define D_KD 0.0
#define TARGET_TENSION_RATIO 0.75
#define TARGET_TENSION (TARGET_TENSION_RATIO * MOTOR_SATURATION_MAX) // V
#define CAROTTE_DISTANCE (TARGET_TENSION / D_KP) // mm
// Asservissement en angle
#define O_DIR_ECART_MIN (25.0 / 360.0 * 2.0 * M_PI) // rad
#define O_DIR_ECART_MAX (45.0 / 360.0 * 2.0 * M_PI) // rad
#define O_ECART_MIN (25.0 / 360.0 * 2.0 * M_PI) // rad
#define O_ECART_MAX (45.0 / 360.0 * 2.0 * M_PI) // rad
#define O_KP (MOTOR_SATURATION_MAX / (WHEEL_PERIMETER * M_PI)) // au max peut dérivier de pi
#define O_KI 0.0
#define O_KD 0.0
#define CAROTTE_ANGLE (TARGET_TENSION / O_KP) // mm
#define MARGE_SECURITE 300.0 // mm
#endif

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@ -1,8 +1,8 @@
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdbool.h>
#include <wiringPiI2C.h>
#include "i2c.h"
@ -34,7 +34,20 @@ int openI2C(uint8_t address)
uint8_t readI2C(int fd, uint8_t reg)
{
lockI2C();
uint8_t res = wiringPiI2CReadReg8(fd, reg);
int res;
int delay = 1;
static char errBuffer[1024];
for (int i = 0; i < I2C_DRIVEN_HIGH_RETRIES; i++) {
while ((res = wiringPiI2CReadReg8(fd, reg)) < 0) {
snprintf(errBuffer, 1024, "wiringPiI2CReadReg8 @%3d %2x %9d", fd, reg, delay);
perror(errBuffer);
usleep(delay);
delay *= 2;
}
if (res != 0xFF) {
break;
}
}
unlockI2C();
return res;
}
@ -43,8 +56,10 @@ void writeI2C(int fd, uint8_t reg, uint8_t data)
{
lockI2C();
int delay = 1;
static char errBuffer[1024];
while (wiringPiI2CWriteReg8(fd, reg, data) < 0) {
perror("wiringPiI2CWriteReg8");
snprintf(errBuffer, 1024, "wiringPiI2CWriteReg8 @%3d %2x←%2x %9d", fd, reg, data, delay);
perror(errBuffer);
usleep(delay);
delay *= 2;
}

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@ -3,6 +3,8 @@
#include <stdint.h>
#define I2C_DRIVEN_HIGH_RETRIES 3
void initI2C();
int openI2C(uint8_t address);
uint8_t readI2C(int fd, uint8_t reg);

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@ -7,6 +7,8 @@
float lVolt;
float rVolt;
float lVoltDbg;
float rVoltDbg;
float lVoltCons;
float rVoltCons;
struct timespec motStart;
@ -18,8 +20,8 @@ enum motorState motState = braking;
void configureMotor()
{
registerDebugVar("lVolt", f, &lVolt);
registerDebugVar("rVolt", f, &rVolt);
registerDebugVar("lVolt", f, &lVoltDbg);
registerDebugVar("rVolt", f, &rVoltDbg);
pthread_mutex_init(&motCons, NULL);
pthread_create(&tMotor, NULL, TaskMotor, NULL);
}
@ -54,6 +56,8 @@ void setMoteurTensionRaw(float l, float r, bool lFor, bool rFor)
{
lVolt = l;
rVolt = r;
lVoltDbg = (lFor ? -1 : 1) * l;
rVoltDbg = (rFor ? -1 : 1) * r;
uint8_t enA = 0;
uint8_t enB = 0;
@ -79,9 +83,33 @@ void setMoteurTensionRaw(float l, float r, bool lFor, bool rFor)
// Stay at 0 : brake mode
}
writeI2C(fdFPGA(), MOTOR_IN, in);
writeI2C(fdFPGA(), MOTOR_ENA, enA);
writeI2C(fdFPGA(), MOTOR_ENB, enB);
setIn(in);
setEnA(enA);
setEnB(enB);
}
uint8_t enAbuff = 0x80;
void setEnA(uint8_t val) {
if (val != enAbuff) {
writeI2C(fdFPGA(), MOTOR_ENA, val);
enAbuff = val;
}
}
uint8_t enBbuff = 0x80;
void setEnB(uint8_t val) {
if (val != enBbuff) {
writeI2C(fdFPGA(), MOTOR_ENB, val);
enBbuff = val;
}
}
uint8_t inbuff = 0xFF;
void setIn(uint8_t val) {
if (val != inbuff) {
writeI2C(fdFPGA(), MOTOR_IN, val);
inbuff = val;
}
}
void* TaskMotor(void* pData)
@ -156,7 +184,7 @@ void* TaskMotor(void* pData)
break;
}
usleep(1000);
usleep(MOTOR_INTERVAL * 1000);
}
return NULL;
@ -166,17 +194,21 @@ void rawBrake()
{
lVolt = 0;
rVolt = 0;
writeI2C(fdFPGA(), MOTOR_IN, 0);
writeI2C(fdFPGA(), MOTOR_ENA, UINT8_MAX);
writeI2C(fdFPGA(), MOTOR_ENB, UINT8_MAX);
lVoltDbg = 0;
rVoltDbg = 0;
setIn(0);
setEnA(UINT8_MAX);
setEnB(UINT8_MAX);
}
void rawFreewheel()
{
lVolt = 0;
rVolt = 0;
writeI2C(fdFPGA(), MOTOR_IN, (1 << IN1) | (1 << IN2) | (1 << IN3) | (1 << IN4));
writeI2C(fdFPGA(), MOTOR_ENA, 0);
writeI2C(fdFPGA(), MOTOR_ENA, 0);
lVoltDbg = 0;
rVoltDbg = 0;
setIn((1 << IN1) | (1 << IN2) | (1 << IN3) | (1 << IN4));
setEnA(0);
setEnB(0);
}
void setMoteurTension(float l, float r)

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@ -10,7 +10,9 @@
#define INVERSE_L_MOTOR
// #define INVERSE_R_MOTOR
#define ENABLE_RATE_LIMITER
// #define ENABLE_RATE_LIMITER
#define MOTOR_INTERVAL 10
// V/s
#define RATE_LIMITER_UP 6
@ -45,5 +47,8 @@ uint8_t moteurTensionToPWM(float V);
void setMoteurTensionRaw(float lVolt, float rVolt, bool lFor, bool rFor);
void rawFreewheel();
void rawBrake();
void setEnA(uint8_t val);
void setEnB(uint8_t val);
void setIn(uint8_t val);
#endif

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@ -5,7 +5,9 @@
#include <string.h>
#include <unistd.h>
#include "common.h"
#include "debug.h"
#include "dimensions.h"
#include "motor.h"
#include "movement.h"
#include "securite.h"
@ -20,17 +22,17 @@ bool movInstructionBool;
float xDiff;
float yDiff;
float dEcart;
float oEcart;
float dDirEcart;
float oDirEcart;
float dDirEcart;
float oConsEcart;
float dErr;
float oErr;
bool oRetenu;
bool dRetenu;
float dVolt;
float oVolt;
float lErr;
float rErr;
float lErrPrev;
float rErrPrev;
unsigned int nbCalcCons;
void configureMovement()
@ -38,9 +40,7 @@ void configureMovement()
stop();
configureMotor();
#ifdef ENABLE_SECURITE
configureSecurite();
#endif
nbCalcCons = 0;
@ -55,18 +55,127 @@ void configureMovement()
registerDebugVar("oCons", f, &cons.o);
registerDebugVar("xDiff", f, &xDiff);
registerDebugVar("yDiff", f, &yDiff);
registerDebugVar("oEcart", f, &oEcart);
registerDebugVar("dErr", f, &dErr);
registerDebugVar("oErr", f, &oErr);
registerDebugVar("dVolt", f, &dVolt);
registerDebugVar("oVolt", f, &oVolt);
registerDebugVar("dDirEcart", f, &dDirEcart);
registerDebugVar("oDirEcart", f, &oDirEcart);
registerDebugVar("dRetenu", d, &dRetenu);
registerDebugVar("oRetenu", d, &oRetenu);
registerDebugVar("dEcart", f, &dEcart);
registerDebugVar("oEcart", f, &oEcart);
registerDebugVar("oConsEcart", f, &oConsEcart);
registerDebugVar("lErr", f, &lErr);
registerDebugVar("rErr", f, &rErr);
registerDebugVar("nbCalcCons", d, &nbCalcCons);
}
float angleMod(float angle)
{
return fmodf(angle + M_PI, 2 * M_PI) - M_PI;
}
float fcap(float value, float cap)
{
if (value > 0) {
return fmin(value, cap);
} else {
return fmax(value, -cap);
}
}
void* TaskMovement(void* pData)
{
(void)pData;
unsigned int lastPosCalc = 0;
struct position connu;
struct PID dPid;
struct PID oPid;
initPID(&dPid, D_KP, D_KI, D_KD);
initPID(&oPid, O_KP, O_KI, O_KD);
bool orienteDestination = false;
bool procheDestination = false;
bool orienteConsigne = false;
bool reverse;
for (;;) {
lastPosCalc = getPositionNewer(&connu, lastPosCalc);
xDiff = cons.x - connu.x;
yDiff = cons.y - connu.y;
dDirEcart = hypotf(xDiff, yDiff);
oDirEcart = angleMod(atan2(yDiff, xDiff) - connu.o);
oConsEcart = angleMod(cons.o - connu.o);
if ((reverse = fabsf(oDirEcart) > M_PI_2)) {
dDirEcart = -dDirEcart;
oDirEcart = angleMod(oDirEcart + M_PI);
}
if (fabsf(oDirEcart) < O_DIR_ECART_MIN) {
orienteDestination = true;
} else if (fabsf(oDirEcart) > O_DIR_ECART_MAX) {
orienteDestination = false;
}
if (fabsf(dDirEcart) < D_DIR_ECART_MIN) {
procheDestination = true;
} else if (fabsf(dDirEcart) > D_DIR_ECART_MAX) {
procheDestination = false;
}
if (fabsf(oConsEcart) < O_ECART_MIN) {
orienteConsigne = true;
} else if (fabsf(oConsEcart) > O_ECART_MAX) {
orienteConsigne = false;
}
// Carotte
dEcart = (orienteDestination && !procheDestination) ? dDirEcart : 0;
dErr = fcap(dEcart, CAROTTE_DISTANCE);
oEcart = procheDestination ? oConsEcart : oDirEcart;
oErr = fcap(oEcart * DISTANCE_BETWEEN_WHEELS, CAROTTE_ANGLE);
dVolt = updatePID(&dPid, dErr);
oVolt = updatePID(&oPid, oErr);
float lVolt = dVolt - oVolt;
float rVolt = dVolt + oVolt;
pthread_mutex_lock(&movInstructionMutex);
if (movInstructionBool) {
if (procheDestination && orienteConsigne) {
brake();
} else {
setMoteurTension(lVolt, rVolt);
}
}
pthread_mutex_unlock(&movInstructionMutex);
nbCalcCons++;
}
return NULL;
}
void enableAsservissement()
{
pthread_mutex_lock(&movInstructionMutex);
movInstructionBool = true;
pthread_mutex_unlock(&movInstructionMutex);
}
void disableAsservissement()
{
pthread_mutex_lock(&movInstructionMutex);
movInstructionBool = false;
pthread_mutex_unlock(&movInstructionMutex);
}
void setDestination(struct position* pos)
{
pthread_mutex_lock(&movInstructionMutex);
@ -85,116 +194,6 @@ void waitDestination()
pthread_mutex_unlock(&movInstructionMutex);
}
float angleGap(float target, float actual)
{
float ret = fmodf(target - actual + M_PI, 2 * M_PI) - M_PI;
return ret;
}
float angleGap180(float target, float actual, float* dist)
{
if (fabs(fmodf(target - actual + M_PI, 2 * M_PI) - M_PI) > M_PI_2) {
*dist = -*dist;
}
return fmodf(target - actual + M_PI_2, M_PI) - M_PI_2;
}
void* TaskMovement(void* pData)
{
(void)pData;
unsigned int lastPosCalc = 0;
struct position connu;
for (;;) {
// Attend instruction
printf("Wait instruction\n");
pthread_mutex_lock(&movInstructionMutex);
while (!movInstructionBool) {
pthread_cond_wait(&movInstructionCond, &movInstructionMutex);
} // Début de l'instruction
printf("Oriente dir\n");
// Oriente vers direction
// TODO Marche arrière
do {
lastPosCalc = getPositionNewer(&connu, lastPosCalc);
xDiff = cons.x - connu.x;
yDiff = cons.y - connu.y;
oDirEcart = angleGap(atan2(yDiff, xDiff), connu.o);
float oErrRev = oDirEcart * DISTANCE_BETWEEN_WHEELS / WHEEL_PERIMETER;
float lVolt = -oErrRev * P + (oErrRev > 0 ? -M : M);
float rVolt = oErrRev * P + (oErrRev > 0 ? M : -M);
setMoteurTension(lVolt, rVolt);
nbCalcCons++;
} while (fabsf(oDirEcart) > O_DIR_ECART_MIN);
brake();
usleep(500 * 1000);
printf("Avance dir\n");
// Avance vers direction
do {
lastPosCalc = getPositionNewer(&connu, lastPosCalc);
xDiff = cons.x - connu.x;
yDiff = cons.y - connu.y;
dDirEcart = hypotf(xDiff, yDiff);
oDirEcart = angleGap(atan2(yDiff, xDiff), connu.o);
#ifdef ENABLE_SECURITE
float distDevant, distDerriere;
getDistance(&distDevant, &distDerriere);
float maxEcart = fmax(0, distDevant - SECURITE_MARGE);
float minEcart = fmin(0, -distDerriere + SECURITE_MARGE);
dErr = fmin(maxEcart, fmax(minEcart, dDirEcart));
#else
dErr = dDirEcart;
#endif
float dErrRev = dErr / WHEEL_PERIMETER;
float oErrRev = O_GAIN * oDirEcart * DISTANCE_BETWEEN_WHEELS / WHEEL_PERIMETER;
lErr = dErrRev - oErrRev;
rErr = dErrRev + oErrRev;
float lVolt = lErr * P + (lErr > 0 ? M : -M);
float rVolt = rErr * P + (rErr > 0 ? M : -M);
setMoteurTension(lVolt, rVolt);
nbCalcCons++;
} while (fabsf(dDirEcart) > D_DIR_ECART_MIN);
brake();
usleep(500 * 1000);
printf("Orientation finale\n");
// Orientation finale (si nécessaire)
if (!isnan(cons.o)) {
do {
lastPosCalc = getPositionNewer(&connu, lastPosCalc);
oDirEcart = angleGap(cons.o, connu.o);
float oErrRev = oDirEcart * DISTANCE_BETWEEN_WHEELS / WHEEL_PERIMETER;
float lVolt = -oErrRev * P + (oErrRev > 0 ? -M : M);
float rVolt = oErrRev * P + (oErrRev > 0 ? M : -M);
setMoteurTension(lVolt, rVolt);
nbCalcCons++;
} while (fabsf(oDirEcart) > O_DIR_ECART_MIN);
brake();
usleep(500 * 1000);
}
movInstructionBool = false; // Fin de l'instruction
pthread_cond_signal(&movInstructionCond);
pthread_mutex_unlock(&movInstructionMutex);
}
return NULL;
}
void deconfigureMovement()
{
stop();

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@ -7,17 +7,19 @@
#define ANGLE_INSIGNIFIANT NAN
#define ENABLE_SECURITE
#define SECURITE_MARGE 300
// #define ENABLE_SECURITE
#include "position.h"
// Public
void configureMovement();
void deconfigureMovement();
void setDestination(struct position* pos);
void* TaskMovement(void* pData);
void waitDestination();
void enableAsservissement();
void disableAsservissement();
// Private
void* TaskMovement(void* pData);
#endif

View file

@ -13,6 +13,7 @@
#include "dimensions.h"
#include "fpga.h"
#include "position.h"
#include "common.h"
// Globales
struct position connu;
@ -24,16 +25,34 @@ pthread_t tPosition;
unsigned int nbCalcPos;
long lCodTot, rCodTot;
int16_t oldL, oldR;
int16_t newL, newR;
uint16_t oldL, oldR;
uint16_t newL, newR;
int16_t deltaL, deltaR;
int newLdbg, newRdbg;
struct timespec lastCoderRead;
void updateDelta()
{
newL = (readI2C(fdFPGA(), CODER_LEFT_H) << 8 | readI2C(fdFPGA(), CODER_LEFT_L));
newR = (readI2C(fdFPGA(), CODER_RIGHT_H) << 8 | readI2C(fdFPGA(), CODER_RIGHT_L));
deltaL = (abs(oldL - newL) < UINT16_MAX/2) ? newL - oldL : UINT16_MAX - oldL + newL;
deltaR = (abs(oldR - newR) < UINT16_MAX/2) ? newR - oldR : UINT16_MAX - oldR + newR;
newL = (readI2C(fdFPGA(), CODER_LEFT_H) << 8 | readI2C(fdFPGA(), CODER_LEFT_L)) & 0xFFFF;
newR = (readI2C(fdFPGA(), CODER_RIGHT_H) << 8 | readI2C(fdFPGA(), CODER_RIGHT_L)) & 0xFFFF;
newLdbg = newL;
newRdbg = newR;
deltaL = (abs(oldL - newL) < UINT16_MAX / 2) ? newL - oldL : UINT16_MAX - oldL + newL;
deltaR = (abs(oldR - newR) < UINT16_MAX / 2) ? newR - oldR : UINT16_MAX - oldR + newR;
// Verification de valeur abbérante
struct timespec now;
clock_gettime(CLOCK_REALTIME, &now);
float maxDelta = diffTimeSec(&lastCoderRead, &now) * ABSOLUTE_MAX_VITESSE_ROBOT_CYCP_S;
if (abs(deltaL) > maxDelta) {
deltaL = 0;
}
if (abs(deltaR) > maxDelta) {
deltaR = 0;
}
lastCoderRead = now;
oldL = newL;
oldR = newR;
}
@ -46,8 +65,6 @@ void* TaskPosition(void* pData)
nbCalcPos = 0;
lCodTot = 0;
rCodTot = 0;
oldL = 0;
oldR = 0;
updateDelta();
@ -80,6 +97,8 @@ void* TaskPosition(void* pData)
nbCalcPos++;
pthread_cond_signal(&newPos);
pthread_mutex_unlock(&posConnu);
usleep(POSITION_INTERVAL * 1000);
}
return NULL;
@ -87,19 +106,17 @@ void* TaskPosition(void* pData)
void configurePosition()
{
pthread_mutex_init(&posConnu, NULL);
pthread_cond_init(&newPos, NULL);
resetPosition();
registerDebugVar("lCodTot", ld, &lCodTot);
registerDebugVar("rCodTot", ld, &rCodTot);
registerDebugVar("newL", ld, &newL);
registerDebugVar("newR", ld, &newR);
connu.x = 0;
connu.y = 0;
connu.o = 0;
registerDebugVar("newL", d, &newLdbg);
registerDebugVar("newR", d, &newRdbg);
registerDebugVar("xConnu", f, &connu.x);
registerDebugVar("yConnu", f, &connu.y);
registerDebugVar("oConnu", f, &connu.o);
registerDebugVar("nbCalcPos", d, &nbCalcPos);
pthread_mutex_init(&posConnu, NULL);
pthread_cond_init(&newPos, NULL);
pthread_create(&tPosition, NULL, TaskPosition, NULL);
}

View file

@ -8,6 +8,8 @@
// #define INVERSE_L_CODER
#define INVERSE_R_CODER
#define POSITION_INTERVAL 10
// Structures
struct __attribute__ ((packed)) position {
float x;

View file

@ -10,7 +10,6 @@
#include "debug.h"
#include "i2c.h"
#include "ihm.h"
#include "imu.h"
#include "movement.h"
#include "position.h"
@ -34,7 +33,6 @@ int main()
configureDebug();
configureIHM();
configureIMU();
configureActionneurs();
configurePosition();
configureMovement();
@ -52,7 +50,6 @@ int main()
deconfigureMovement();
deconfigurePosition();
deconfigureActionneurs();
deconfigureIMU();
deconfigureIHM();
deconfigureDebug();
return EXIT_SUCCESS;

View file

@ -1,67 +0,0 @@
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h> // random seed
#include <unistd.h> // sleep
#include <wiringPi.h>
#include "actionneurs.h"
#include "debug.h"
#include "i2c.h"
#include "ihm.h"
#include "imu.h"
#include "movement.h"
#include "motor.h"
#include "position.h"
pthread_mutex_t sRunning;
void endRunning(int signal)
{
(void)signal;
pthread_mutex_unlock(&sRunning);
}
int main()
{
if (wiringPiSetup() < 0) {
fprintf(stderr, "Impossible d'initialiser WiringPi\n");
exit(EXIT_FAILURE);
}
initI2C();
srand(time(NULL));
configureDebug();
configureIMU();
configureActionneurs();
configurePosition();
configureMovement();
startDebug();
debugSetActive(true);
struct position pos = {1000, 0, 0 };
setDestination(&pos);
waitDestination();
for (;;) {
setLoquet(false);
setLoquet(true);
}
printf("Done\n");
// Bloque jusqu'à l'arrivée d'un signal
pthread_mutex_init(&sRunning, NULL);
signal(SIGINT, endRunning);
signal(SIGTERM, endRunning);
signal(SIGQUIT, endRunning);
pthread_mutex_lock(&sRunning);
pthread_mutex_lock(&sRunning);
deconfigureMovement();
deconfigurePosition();
deconfigureActionneurs();
deconfigureIMU();
deconfigureDebug();
return EXIT_SUCCESS;
}

View file

@ -10,9 +10,8 @@
#include "debug.h"
#include "i2c.h"
#include "ihm.h"
#include "imu.h"
#include "movement.h"
#include "motor.h"
#include "movement.h"
#include "position.h"
pthread_mutex_t sRunning;
@ -23,7 +22,7 @@ void endRunning(int signal)
pthread_mutex_unlock(&sRunning);
}
int main()
int main(int argc, char* argv[])
{
if (wiringPiSetup() < 0) {
@ -33,15 +32,29 @@ int main()
initI2C();
srand(time(NULL));
float x = 0;
float y = 0;
float o = 0;
if (argc >= 2) {
sscanf(argv[1], "%f", &x);
if (argc >= 3) {
sscanf(argv[2], "%f", &y);
if (argc >= 4) {
sscanf(argv[3], "%f", &o);
}
}
}
configureDebug();
configurePosition();
configureMovement();
debugSetActive(true);
startDebug();
debugSetActive(true);
sleep(1);
struct position pos = {100000, 0, 0 };
struct position pos = { x, y, o };
printf("Go\n");
setDestination(&pos);
enableAsservissement();
waitDestination();
brake();
printf("Done\n");

71
chef/src/testRetour.c Normal file
View file

@ -0,0 +1,71 @@
#include <pthread.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h> // random seed
#include <unistd.h> // sleep
#include <wiringPi.h>
#include "actionneurs.h"
#include "buttons.h"
#include "debug.h"
#include "i2c.h"
#include "lcd.h"
#include "motor.h"
#include "movement.h"
#include "position.h"
int main()
{
if (wiringPiSetup() < 0) {
fprintf(stderr, "Impossible d'initialiser WiringPi\n");
exit(EXIT_FAILURE);
}
initI2C();
srand(time(NULL));
configureDebug();
configurePosition();
configureMovement();
configureButtons();
initLCD();
debugSetActive(true);
startDebug();
printToLCD(LCD_LINE_1, "RGE: Set origin");
printToLCD(LCD_LINE_2, "JNE: Toggle free");
bool isFree = true;
disableAsservissement();
freewheel();
for (;;) {
switch (pressedButton(BUT_BLOCK)) {
case jaune:
isFree = !isFree;
if (isFree) {
disableAsservissement();
freewheel();
} else {
enableAsservissement();
}
break;
case rouge:
resetPosition();
break;
default:
break;
}
clearLCD();
if (isFree) {
printToLCD(LCD_LINE_1, "Freewheel");
} else {
printToLCD(LCD_LINE_1, "Asservi");
}
}
deconfigureMovement();
deconfigurePosition();
deconfigureDebug();
return EXIT_SUCCESS;
}

View file

@ -7,10 +7,12 @@
#include <wiringPi.h>
#include <wiringPiI2C.h>
#include "buttons.h"
#include "debug.h"
#include "dimensions.h"
#include "lcd.h"
#include "motor.h"
#include "buttons.h"
#include "dimensions.h"
#include "position.h"
#define UP_TIME 1000
#define HIGH_TIME 3000
@ -19,7 +21,8 @@
#define MAXI MOTOR_SATURATION_MAX
#define INTERVAL 10
void changerMoteursWrapper(float l, float r) {
void changerMoteursWrapper(float l, float r)
{
/* clearLCD(); */
printfToLCD(LCD_LINE_1, "L: %f", l);
printfToLCD(LCD_LINE_2, "R: %f", r);
@ -36,8 +39,12 @@ int main(int argc, char* argv[])
initI2C();
initLCD();
configureDebug();
configureButtons();
configureMotor();
configurePosition();
startDebug();
debugSetActive(true);
for (;;) {
for (int i = 0; i < UP_TIME; i += INTERVAL) {
@ -73,5 +80,4 @@ int main(int argc, char* argv[])
changerMoteursWrapper(0, 0);
delay(LOW_TIME);
}
}

View file

@ -5,14 +5,13 @@ use IEEE.NUMERIC_STD.ALL;
entity Principal is
Generic(
fFpga : INTEGER := 50_000_000;
fBaud : INTEGER := 115200
fFpga : INTEGER := 50_000_000
);
Port (
CLK : in std_logic;
BTN: in std_logic;
RX: in std_logic;
TX: out std_logic;
SDA: inout std_logic;
SCL: inout std_logic;
LEFTCHA: in std_logic;
LEFTCHB: in std_logic;
RIGHTCHA: in std_logic;
@ -25,11 +24,11 @@ entity Principal is
BACKRECHO: in std_logic;
ENAREF: out std_logic;
ENA: out std_logic;
IN1ENC: out std_logic;
IN1: out std_logic;
IN2: out std_logic;
ENBREF: out std_logic;
ENB: out std_logic;
IN3END: out std_logic;
IN3: out std_logic;
IN4: out std_logic
);
end Principal;
@ -41,7 +40,6 @@ architecture Behavioral of Principal is
-- Encoder
signal left : integer;
signal right : integer;
signal zerocoder : std_logic;
component hedm is
Port (
@ -101,11 +99,9 @@ architecture Behavioral of Principal is
-- Motor controller
signal enAd : std_logic_vector(7 downto 0);
signal in1enCd : std_logic_vector(7 downto 0);
signal in2d : std_logic;
signal enBd : std_logic_vector(7 downto 0);
signal in3enDd : std_logic_vector(7 downto 0);
signal in4d : std_logic;
signal ind : std_logic_vector(7 downto 0);
component PWM is
port (
clk : in std_logic;
@ -115,54 +111,46 @@ architecture Behavioral of Principal is
end component;
-- CF
component uart is
generic (
baud : positive := fBaud;
clock_frequency : positive := fFpga
);
port (
clock : in std_logic;
reset : in std_logic;
data_stream_in : in std_logic_vector(7 downto 0);
data_stream_in_stb : in std_logic;
data_stream_in_ack : out std_logic;
data_stream_out : out std_logic_vector(7 downto 0);
data_stream_out_stb : out std_logic;
tx : out std_logic;
rx : in std_logic
);
component I2CSLAVE
generic(
DEVICE: std_logic_vector(7 downto 0) := x"42"
);
port(
MCLK : in std_logic;
nRST : in std_logic;
SDA_IN : in std_logic;
SCL_IN : in std_logic;
SDA_OUT : out std_logic;
SCL_OUT : out std_logic;
ADDRESS : out std_logic_vector(7 downto 0);
DATA_OUT : out std_logic_vector(7 downto 0);
DATA_IN : in std_logic_vector(7 downto 0);
WR : out std_logic;
RD : out std_logic
);
end component;
signal sdaIn : std_logic;
signal sclIn : std_logic;
signal sdaOut : std_logic;
signal sclOut : std_logic;
signal address : std_logic_vector(7 downto 0);
signal dataOut : std_logic_vector(7 downto 0);
signal dataIn : std_logic_vector(7 downto 0);
signal wr : std_logic;
signal rd : std_logic;
signal rdP : std_logic;
signal txData : std_logic_vector(7 downto 0);
signal txStb : std_logic := '0';
signal txAck : std_logic := '0';
signal rxData : std_logic_vector(7 downto 0);
signal rxStb : std_logic := '0';
-- Handling
component communication is
Port (
clock : in std_logic;
reset : in std_logic;
left : in integer;
right : in integer;
zerocoder : out std_logic;
front : in integer;
back : in integer;
txData : out std_logic_vector(7 downto 0);
txStb : out std_logic;
txAck : in std_logic;
rxData : in std_logic_vector(7 downto 0);
rxStb : in std_logic;
enA : out std_logic_vector(7 downto 0);
in1enC : out std_logic_vector(7 downto 0);
in2 : out std_logic;
enB : out std_logic_vector(7 downto 0);
in3enD : out std_logic_vector(7 downto 0);
in4 : out std_logic
);
end component;
signal leftB : std_logic_vector(15 downto 0);
signal rightB : std_logic_vector(15 downto 0);
signal frontLRawB : std_logic_vector(15 downto 0);
signal frontRRawB : std_logic_vector(15 downto 0);
signal backLRawB : std_logic_vector(15 downto 0);
signal backRRawB : std_logic_vector(15 downto 0);
signal frontLB : std_logic_vector(15 downto 0);
signal frontRB : std_logic_vector(15 downto 0);
signal backLB : std_logic_vector(15 downto 0);
signal backRB : std_logic_vector(15 downto 0);
begin
@ -184,7 +172,7 @@ begin
chA => LEFTCHA,
chB => LEFTCHB,
reset => reset,
zero => zerocoder,
zero => '0',
counts => left
);
@ -193,80 +181,80 @@ begin
chA => RIGHTCHA,
chB => RIGHTCHB,
reset => reset,
zero => zerocoder,
zero => '0',
counts => right
);
frontLCapt: hcsr04 port map (
clk => CLK,
reset => reset,
echo => FRONTLECHO,
distance => frontLRaw,
trigger => FRONTTRIGGER,
start => '1',
finished => frontLFinished
);
clk => CLK,
reset => reset,
echo => FRONTLECHO,
distance => frontLRaw,
trigger => FRONTTRIGGER,
start => '1',
finished => frontLFinished
);
frontLFilter : FIR port map (
clock => CLK,
reset => reset,
signalIn => frontLRaw,
signalOut => frontL,
start => frontLFinished
-- done => done
);
clock => CLK,
reset => reset,
signalIn => frontLRaw,
signalOut => frontL,
start => frontLFinished
-- done => done
);
frontRCapt: hcsr04 port map (
clk => CLK,
reset => reset,
echo => FRONTRECHO,
distance => frontRRaw,
-- trigger => FRONTTRIGGER,
start => '1',
finished => frontRFinished
);
clk => CLK,
reset => reset,
echo => FRONTRECHO,
distance => frontRRaw,
-- trigger => FRONTTRIGGER,
start => '1',
finished => frontRFinished
);
frontRFilter : FIR port map (
clock => CLK,
reset => reset,
signalIn => frontRRaw,
signalOut => frontR,
start => frontRFinished
-- done => done
);
clock => CLK,
reset => reset,
signalIn => frontRRaw,
signalOut => frontR,
start => frontRFinished
-- done => done
);
backLCapt: hcsr04 port map (
clk => CLK,
reset => reset,
echo => BACKLECHO,
distance => backLRaw,
trigger => BACKTRIGGER,
start => '1',
finished => backLFinished
);
clk => CLK,
reset => reset,
echo => BACKLECHO,
distance => backLRaw,
trigger => BACKTRIGGER,
start => '1',
finished => backLFinished
);
backLFilter : FIR port map (
clock => CLK,
reset => reset,
signalIn => backLRaw,
signalOut => backL,
start => backLFinished
-- done => done
);
clock => CLK,
reset => reset,
signalIn => backLRaw,
signalOut => backL,
start => backLFinished
-- done => done
);
backRCapt: hcsr04 port map (
clk => CLK,
reset => reset,
echo => BACKRECHO,
distance => backRRaw,
-- trigger => BACKTRIGGER,
start => '1',
finished => backRFinished
);
clk => CLK,
reset => reset,
echo => BACKRECHO,
distance => backRRaw,
-- trigger => BACKTRIGGER,
start => '1',
finished => backRFinished
);
backRFilter : FIR port map (
clock => CLK,
reset => reset,
signalIn => backRRaw,
signalOut => backR,
start => backRFinished
-- done => done
);
clock => CLK,
reset => reset,
signalIn => backRRaw,
signalOut => backR,
start => backRFinished
-- done => done
);
enAp : PWM port map (
clk => pwmClk,
data => enAd,
@ -274,12 +262,8 @@ begin
);
ENAREF <= '1';
in1enCp : PWM port map (
clk => pwmClk,
data => in1enCd,
pulse => IN1ENC
);
IN2 <= in2d;
IN1 <= ind(0);
IN2 <= ind(1);
enBp : PWM port map (
clk => pwmClk,
@ -288,48 +272,69 @@ begin
);
ENBREF <= '1';
in3enDp : PWM port map (
clk => pwmClk,
data => in3enDd,
pulse => IN3END
IN3 <= ind(2);
IN4 <= ind(3);
FA : i2cslave port map (
MCLK => clk,
nRST => not reset,
SDA_IN => sdaIn,
SCL_IN => sclIn,
SDA_OUT => sdaOut,
SCL_OUT => sclOut,
ADDRESS => address,
DATA_OUT => dataOut,
DATA_IN => dataIn,
WR => wr,
RD => rd
);
IN4 <= in4d;
SCL <= 'Z' when sclOut = '1' else '0';
sclIn <= to_UX01(SCL);
SDA <= 'Z' when sdaOut = '1' else '0';
sdaIn <= to_UX01(SDA);
leftB <= std_logic_vector(to_signed(left, 16));
rightB <= std_logic_vector(to_signed(right, 16));
frontLRawB <= std_logic_vector(to_unsigned(frontLRaw, 16));
frontRRawB <= std_logic_vector(to_unsigned(frontRRaw, 16));
backLRawB <= std_logic_vector(to_unsigned(backLRaw, 16));
backRRawB <= std_logic_vector(to_unsigned(backRRaw, 16));
frontLB <= std_logic_vector(to_unsigned(frontL, 16));
frontRB <= std_logic_vector(to_unsigned(frontR, 16));
backLB <= std_logic_vector(to_unsigned(backL, 16));
backRB <= std_logic_vector(to_unsigned(backR, 16));
dataIn <= x"50" when address = x"00" else
leftB(15 downto 8) when address = x"10" else
leftB(7 downto 0) when address = x"11" else
rightB(15 downto 8) when address = x"12" else
rightB(7 downto 0) when address = x"13" else
frontLRawB(15 downto 8) when address = x"20" else
frontLRawB(7 downto 0) when address = x"21" else
frontRRawB(15 downto 8) when address = x"22" else
frontRRawB(7 downto 0) when address = x"23" else
backLRawB(15 downto 8) when address = x"24" else
backLRawB(7 downto 0) when address = x"25" else
backRRawB(15 downto 8) when address = x"26" else
backRRawB(7 downto 0) when address = x"27" else
frontLB(15 downto 8) when address = x"30" else
frontLB(7 downto 0) when address = x"31" else
frontRB(15 downto 8) when address = x"32" else
frontRB(7 downto 0) when address = x"33" else
backLB(15 downto 8) when address = x"34" else
backLB(7 downto 0) when address = x"35" else
backRB(15 downto 8) when address = x"36" else
backRB(7 downto 0) when address = x"37" else
ind when address = x"60" else
enAd when address = x"61" else
enBd when address = x"62" else
(others => '0');
ind <= dataOut when (address = x"60" and wr = '1') else ind;
enAd <= dataOut when (address = x"61" and wr = '1') else enAd;
enBd <= dataOut when (address = x"62" and wr = '1') else enBd;
FA: uart port map(
clock => CLK,
reset => reset,
data_stream_in => txData,
data_stream_in_stb => txStb,
data_stream_in_ack => txAck,
data_stream_out => rxData,
data_stream_out_stb => rxStb,
tx => TX,
rx => RX
);
frontMin <= frontLRaw when frontLRaw < frontRRaw else frontRRaw;
backMin <= backLRaw when backLRaw < backRRaw else backRRaw;
com: communication port map(
clock => CLK,
reset => reset,
left => left,
right => right,
zerocoder => zerocoder,
front => frontMin,
back => backMin,
txData => txData,
txStb => txStb,
txAck => txAck,
rxData => rxData,
rxStb => rxStb,
enA => enAd,
in1enC => in1enCd,
in2 => in2d,
enB => enBd,
in3enD => in3enDd,
in4 => in4d
);
end Behavioral;

View file

@ -97,6 +97,12 @@ begin
txStb <= '0';
zerocoder <= '0';
txData <= x"00";
enA <= (others => '0');
in1enC <= (others => '0');
enB <= (others => '0');
in3enD <= (others => '0');
in2 <= '0';
in4 <= '0';
else
if rising_edge(clock) then
zerocoder <= '0';

View file

@ -23,7 +23,7 @@ architecture Behavioral of fir is
constant N : INTEGER := 4; -- Nombre de coefficients
constant M : INTEGER := 2**6; -- Facteur multiplicatif
type INT_ARRAY is array (N-1 downto 0) of integer;
constant coefficients : INT_ARRAY := (16,16,16,16);
constant coefficients : INT_ARRAY := (32,16,8,8);
-- ↑ Coefficients du fir multipliés par M
signal echantillons : INT_ARRAY := (others => 0); -- stockage des entrées retardées

283
fpga/i2c.vhd Normal file
View file

@ -0,0 +1,283 @@
--###############################
--# Project Name : I2C slave
--# File : i2cslave.vhd
--# Project : i2c slave for FPGA
--# Engineer : Philippe THIRION
--# Modification History
--###############################
-- copyright Philippe Thirion
-- github.com/tirfil
--
-- Copyright 2016 Philippe THIRION
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
-- This program 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 General Public License for more details.
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.
library IEEE;
use IEEE.std_logic_1164.all;
use IEEE.numeric_std.all;
entity I2CSLAVE is
generic(
DEVICE : std_logic_vector(7 downto 0) := x"38"
);
port(
MCLK : in std_logic;
nRST : in std_logic;
SDA_IN : in std_logic;
SCL_IN : in std_logic;
SDA_OUT : out std_logic;
SCL_OUT : out std_logic;
ADDRESS : out std_logic_vector(7 downto 0);
DATA_OUT : out std_logic_vector(7 downto 0);
DATA_IN : in std_logic_vector(7 downto 0);
WR : out std_logic;
RD : out std_logic
);
end I2CSLAVE;
architecture rtl of I2CSLAVE is
type tstate is ( S_IDLE, S_START, S_SHIFTIN, S_RW, S_SENDACK, S_SENDACK2, S_SENDNACK,
S_ADDRESS, S_WRITE, S_SHIFTOUT, S_READ, S_WAITACK
);
type toperation is (OP_READ, OP_WRITE);
signal state : tstate;
signal next_state : tstate;
signal operation : toperation;
signal rising_scl, falling_scl : std_logic;
signal address_i : std_logic_vector(7 downto 0);
signal next_address : std_logic_vector(7 downto 0);
signal counter : integer range 0 to 7;
signal start_cond : std_logic;
signal stop_cond : std_logic;
signal sda_q, sda_qq, sda_qqq : std_logic;
signal scl_q, scl_qq, scl_qqq : std_logic;
signal shiftreg : std_logic_vector(7 downto 0);
signal sda: std_logic;
signal address_incr : std_logic;
signal rd_d : std_logic;
begin
ADDRESS <= address_i;
next_address <= (others=>'0') when (address_i = x"FF") else
std_logic_vector(to_unsigned(to_integer(unsigned( address_i )) + 1, 8));
S_RSY: process(MCLK,nRST)
begin
if (nRST = '0') then
sda_q <= '1';
sda_qq <= '1';
sda_qqq <= '1';
scl_q <= '1';
scl_qq <= '1';
scl_qqq <= '1';
elsif (MCLK'event and MCLK='1') then
sda_q <= SDA_IN;
sda_qq <= sda_q;
sda_qqq <= sda_qq;
scl_q <= SCL_IN;
scl_qq <= scl_q;
scl_qqq <= scl_qq;
end if;
end process S_RSY;
rising_scl <= scl_qq and not scl_qqq;
falling_scl <= not scl_qq and scl_qqq;
START_BIT: process(MCLK,nRST)
begin
if (nRST = '0') then
start_cond <= '0';
elsif (MCLK'event and MCLK='1') then
if (sda_qqq = '1' and sda_qq = '0' and scl_qq = '1') then
start_cond <= '1';
else
start_cond <= '0';
end if;
end if;
end process START_BIT;
STOP_BIT: process(MCLK,nRST)
begin
if (nRST = '0') then
stop_cond <= '0';
elsif (MCLK'event and MCLK='1') then
if (sda_qqq = '0' and sda_qq = '1' and scl_qq = '1') then
stop_cond <= '1';
else
stop_cond <= '0';
end if;
end if;
end process STOP_BIT;
sda <= sda_qq;
RD_DELAY: process(MCLK, nRST)
begin
if (nRST = '0') then
RD <= '0';
elsif (MCLK'event and MCLK='1') then
RD <= rd_d;
end if;
end process RD_DELAY;
OTO: process(MCLK, nRST)
begin
if (nRST = '0') then
state <= S_IDLE;
SDA_OUT <= '1';
SCL_OUT <= '1';
WR <= '0';
rd_d <= '0';
address_i <= (others=>'0');
DATA_OUT <= (others=>'0');
shiftreg <= (others=>'0');
elsif (MCLK'event and MCLK='1') then
if (stop_cond = '1') then
state <= S_IDLE;
SDA_OUT <= '1';
SCL_OUT <= '1';
operation <= OP_READ;
WR <= '0';
rd_d <= '0';
address_incr <= '0';
elsif(start_cond = '1') then
state <= S_START;
SDA_OUT <= '1';
SCL_OUT <= '1';
operation <= OP_READ;
WR <= '0';
rd_d <= '0';
address_incr <= '0';
elsif(state = S_IDLE) then
state <= S_IDLE;
SDA_OUT <= '1';
SCL_OUT <= '1';
operation <= OP_READ;
WR <= '0';
rd_d <= '0';
address_incr <= '0';
elsif(state = S_START) then
shiftreg <= (others=>'0');
state <= S_SHIFTIN;
next_state <= S_RW;
counter <= 6;
elsif(state = S_SHIFTIN) then
if (rising_scl = '1') then
shiftreg(7 downto 1) <= shiftreg(6 downto 0);
shiftreg(0) <= sda;
if (counter = 0) then
state <= next_state;
counter <= 7;
else
counter <= counter - 1;
end if;
end if;
elsif(state = S_RW) then
if (rising_scl = '1') then
if (shiftreg = DEVICE) then
state <= S_SENDACK;
if (sda = '1') then
operation <= OP_READ;
-- next_state <= S_READ; -- no needed
rd_d <= '1';
else
operation <= OP_WRITE;
next_state <= S_ADDRESS;
address_incr <= '0';
end if;
else
state <= S_SENDNACK;
end if;
end if;
elsif(state = S_SENDACK) then
WR <= '0';
rd_d <= '0';
if (falling_scl = '1') then
SDA_OUT <= '0';
counter <= 7;
if (operation= OP_WRITE) then
state <= S_SENDACK2;
else -- OP_READ
state <= S_SHIFTOUT;
shiftreg <= DATA_IN;
end if;
end if;
elsif(state = S_SENDACK2) then
if (falling_scl = '1') then
SDA_OUT <= '1';
state <= S_SHIFTIN;
shiftreg <= (others=>'0');
if (address_incr = '1') then
address_i <= next_address;
end if;
end if;
elsif(state = S_SENDNACK) then
if (falling_scl = '1') then
SDA_OUT <= '1';
state <= S_IDLE;
end if;
elsif(state = S_ADDRESS) then
address_i <= shiftreg;
next_state <= S_WRITE;
state <= S_SENDACK;
address_incr <= '0';
elsif(state = S_WRITE) then
DATA_OUT <= shiftreg;
next_state <= S_WRITE;
state <= S_SENDACK;
WR <= '1';
address_incr <= '1';
elsif(state = S_SHIFTOUT) then
if (falling_scl = '1') then
SDA_OUT <= shiftreg(7);
shiftreg(7 downto 1) <= shiftreg(6 downto 0);
shiftreg(0) <= '1';
if (counter = 0) then
state <= S_READ;
address_i <= next_address;
rd_d <= '1';
else
counter <= counter - 1;
end if;
end if;
elsif(state = S_READ) then
rd_d <= '0';
if (falling_scl = '1') then
SDA_OUT <= '1';
state <= S_WAITACK;
end if;
elsif(state = S_WAITACK) then
if (rising_scl = '1') then
if (sda = '0') then
state <= S_SHIFTOUT;
counter <= 7;
shiftreg <= DATA_IN;
else
state <= S_IDLE;
end if;
end if;
end if;
end if;
end process OTO;
end rtl;

View file

@ -8,10 +8,10 @@ TIMESPEC "TS_CLK" = PERIOD "CLK" 20 ns HIGH 50 %;
NET "BTN" LOC = "P41" | IOSTANDARD = LVTTL ;
# IO<10>
NET "RX" LOC = "P85" | IOSTANDARD = LVTTL ;
NET "SCL" LOC = "P85" | IOSTANDARD = LVTTL ;
# IO<11>
NET "TX" LOC = "P84" | IOSTANDARD = LVTTL ;
NET "SDA" LOC = "P84" | IOSTANDARD = LVTTL ;
# IO<12>
NET "LEFTCHA" LOC = "P83" | IOSTANDARD = LVTTL ;
@ -44,7 +44,7 @@ NET "ENAREF" LOC = "P5" | IOSTANDARD = LVTTL ;
NET "ENA" LOC = "P4" | IOSTANDARD = LVTTL ;
# IO<22>
NET "IN1ENC" LOC = "P6" | IOSTANDARD = LVTTL ;
NET "IN1" LOC = "P6" | IOSTANDARD = LVTTL ;
# IO<23>
NET "IN2" LOC = "P98" | IOSTANDARD = LVTTL ;
@ -56,7 +56,7 @@ NET "ENBREF" LOC = "P94" | IOSTANDARD = LVTTL ;
NET "ENB" LOC = "P93" | IOSTANDARD = LVTTL ;
# IO<26>
NET "IN3END" LOC = "P90" | IOSTANDARD = LVTTL ;
NET "IN3" LOC = "P90" | IOSTANDARD = LVTTL ;
# IO<27>
NET "IN4" LOC = "P89" | IOSTANDARD = LVTTL ;

View file

@ -5,5 +5,5 @@ PROGRAMMER = mercpcl
TOPLEVEL = Principal
# Prod
VHDSOURCE = $(TOPLEVEL).vhd communication.vhd uart.vhd hedm.vhd hcsr04.vhd fir.vhd pwm.vhd
VHDSOURCE = $(TOPLEVEL).vhd i2c.vhd hedm.vhd hcsr04.vhd fir.vhd pwm.vhd
CONSTRAINTS = principal.ucf

View file

@ -130,6 +130,7 @@ restart:
getlogs:
ssh -F sshconf principal true
rsync --rsh 'ssh -F sshconf' --archive principal:/opt/chef/log/* ../log/
rm -f ../log/last.csv; ln -s $$(ls ../log/ | tail -1) ../log/last.csv
gdbcommands:
echo "set sysroot $(TARGET_DIR)" > "$@"

View file

@ -3,7 +3,7 @@ SIMULATION = 0;
% Paramètres de lecture
DIRNAME = "/home/geoffrey/CdF/cdf2018-principal/log/";
FILENAME = "000655.csv";
FILENAME = "last.csv";
PATH = DIRNAME + FILENAME;
% Paramètres de simulation
@ -31,9 +31,9 @@ motorSpeedGainRPMpV = 233.0; % rpm/V (from datasheet)
motorSpeedGain = (motorSpeedGainRPMpV / 60.0); % motor rev/s/V
motorNominalTension = 24.0; % V (from datasheet)
motorControllerAlimentation = 24.0; % V (from elec)
motorControllerReference = 5; % V (from wiring)
motorSaturationMin = 0; % V (from random)
motorSaturationMax = 3.0; % V (from testing)
motorControllerReference = 5.0; % V (from wiring)
motorSaturationMin = 0.0; % V (from random)
motorSaturationMax = 4.0; % V (from testing)
pwmMax = 3.3; % V (from FPGA datasheet)
coderResolution = 370.0; % cycles/motor rev
coderDataFactor = 4.0; % increments/motor cycles
@ -44,17 +44,37 @@ reducRatio = (cranReducIn / cranReducOut); % reduction ratio
coderFullResolution = (coderDataResolution / reducRatio); % cycles / wheel rev
avPerCycle = (wheelPerimeter / coderFullResolution); % mm
% Pour éviter les pics de codeuse liées à la communication I2C
absoluteMaxVitesseRobot = 10.0; % km/h
absoluteMaxVitesseRobotMMpS = (absoluteMaxVitesseRobot * 10000.0 / 36.0); % mm/s
absoluteMaxVitesseRobotRevpS = (absoluteMaxVitesseRobotMMpS / wheelPerimeter); % rev/s
absoluteMaxVitesseRobotCycpS = (absoluteMaxVitesseRobotRevpS * coderFullResolution); % cycle/s
% Constantes asservissement
global dDirEcartMin dDirEcartMax oDirEcartMin oDirEcartMax oGain oEcartMax;
dDirEcartMin = 7.0; % mm
dDirEcartMax = 10.0; % mm
oDirEcartMin = (5.0 / 360.0 * 2.0 * pi); % rad
oDirEcartMax = (25.0 / 360.0 * 2.0 * pi); % rad
oEcartMax = (25.0 / 360.0 * 2.0 * pi); % rad
oGain = 5.0;
P = 5.0;
I = 0.0;
D = 0.0;
global dDirEcartMin dDirEcartMax oDirEcartMin oDirEcartMax oEcartMin oEcartMax targetTensionRatio targetTension carotteDistance dKP dKI dKD oKP oKI oKD margeSecurite;
% Asservissement en distance
dDirEcartMin = 30.0; % mm
dDirEcartMax = 50.0; % mm
dKP = 0.05;
dKI = 0.0;
dKD = 0.0;
targetTensionRatio = 0.75;
targetTension = (targetTensionRatio * motorSaturationMax); % V
carotteDistance = (targetTension / dKP); % mm
% Asservissement en angle
oDirEcartMin = (25.0 / 360.0 * 2.0 * pi); % rad
oDirEcartMax = (45.0 / 360.0 * 2.0 * pi); % rad
oEcartMin = (25.0 / 360.0 * 2.0 * pi); % rad
oEcartMax = (45.0 / 360.0 * 2.0 * pi); % rad
oKP = (motorSaturationMax / (wheelPerimeter * pi)); % au max peut dérivier de pi
oKI = 0.0;
oKD = 0.0;
carotteAngle = (targetTension / oKP); % mm
margeSecurite = 300.0; % mm
%END DIMENSIONS
@ -88,6 +108,9 @@ else
T.x = T.xConnu;
T.y = T.yConnu;
T.o = T.oConnu;
T.secBackL = -T.secBackL;
T.secBackR = -T.secBackR;
disp("Enregistrement des données");
s = containers.Map;
@ -109,14 +132,26 @@ clf
global p;
% Évolution spatiale
subplot(2, 2, 1);
subplot(2, 3, 1);
initGraph
updateToTime(SIMULATION_DT);
% Roues
p = subplot(2, 2, 2);
% Codeuses
p = subplot(2, 3, 3);
hold on;
timeGraph(["lVolt", "rVolt", "lErr", "rErr"]);
timeGraph(["lCodTot", "rCodTot", "newL", "newR"]);
addLimitline(p, 2^16-1);
addLimitline(p, 0);
title("Codeuses");
xlabel("Temps (s)");
ylabel("Crans");
legend("Total gauche", "Total droite", "Brut gauche", "Brut droite");
% Roues
p = subplot(2, 3, 2);
hold on;
timeGraph(["lVolt", "rVolt", "dVolt", "oVolt"]);
addLimitline(p, -motorSaturationMin);
addLimitline(p, -motorSaturationMax);
addLimitline(p, motorSaturationMin);
@ -125,25 +160,26 @@ addLimitline(p, 0);
title("Roues");
xlabel("Temps (s)");
ylabel("Tension (V)");
legend("Gauche", "Droite", "Err. gauche", "Err. droite");
legend("Tension gauche", "Tension droite", "Dont distance", "Dont direction");
% Distance
p = subplot(2, 2, 3);
p = subplot(2, 3, 4);
hold on;
%timeGraph(["dDirEcart", "dErr"]);
timeGraph(["dDirEcart", "dErr", "secFront", "secBack"]);
timeGraph(["dDirEcart", "dEcart", "oErr"]);
addLimitline(p, 0);
addLimitline(p, dDirEcartMin);
addLimitline(p, dDirEcartMax);
addLimitline(p, -dDirEcartMin);
addLimitline(p, -dDirEcartMax);
title("Distance");
xlabel("Temps (s)");
ylabel("Distance (mm)");
%legend("Ecart direction", "Err. retenue");
legend("Ecart direction", "Err. retenue", "Distance avant", "Distance arrière");
legend("Err. distance", "Err. retenue", "Err rotation");
% Rotation
p = subplot(2, 2, 4);
p = subplot(2, 3, 5);
hold on;
timeGraph(["oDirEcart", "oEcart", "oErr"]);
timeGraph(["oDirEcart", "oConsEcart", "oEcart"]);
addLimitline(p, oDirEcartMax);
addLimitline(p, oDirEcartMin);
addLimitline(p, -oDirEcartMax);
@ -151,7 +187,19 @@ addLimitline(p, -oDirEcartMin);
title("Rotation");
xlabel("Temps (s)");
ylabel("Angle (rad)");
legend("Ecart direction", "Ecart orientation", "Err. retenue");
legend("Err. direction", "Err. consigne", "Err. retenue");
% Securité
p = subplot(2, 3, 6);
hold on;
timeGraph(["dDirEcart", "secFrontL", "secFrontR", "secBackL", "secBackR", "dErr"]);
addLimitline(p, 0);
addLimitline(p, margeSecurite);
addLimitline(p, -margeSecurite);
title("Distances de sécurité");
xlabel("Temps (s)");
ylabel("Distance (mm)");
legend("Err. distance", "Avant gauche", "Avant droite", "Arrière gauche", "Arrière droite", "Err. retenue");
% Fonctions
@ -202,7 +250,7 @@ function timeGraph(series)
end
function addLimitline(p, x)
line(p.XLim, [x x], 'Color', [0.8 0.8 0.8]);
line(p.XLim, [x x], 'Color', [0.8 0.8 0.8], 'LineStyle', '--');
end
function addTimeline(p)
@ -287,9 +335,9 @@ function initGraph()
global robotPath;
robotPath = plot(0, 0, 'b');
global dirQuiver;
dirQuiver = quiver(0, 0, 0, 0, 'Color', 'Red', 'MaxHeadSize', height/4);
dirQuiver = quiver(0, 0, 0, 0, 'Color', 'Red', 'MaxHeadSize', height/2);
global consQuiver;
consQuiver = quiver(0, 0, 0, 0, 'Color', 'Green', 'MaxHeadSize', height/4);
consQuiver = quiver(0, 0, 0, 0, 'Color', 'Green', 'MaxHeadSize', height/2);
% Draw track
global pisteWidth;