/*-----------------------------------------------------------*/
int init_urg_laser(urg_t **urg,int modality)
{
int ret;
/*Switching capturing mode*/
urg_capturing_mode=modality;
/*Memory structure allocation*/
*urg=malloc(sizeof(urg_t));
/*Printing and signalling allocation error*/
if (!(*urg)) {
fprintf(stderr, "Error in urg memory allocation\n");
return -1;
}
/*Urg laser connection (structure, file descriptor, baud rate)*/
ret = urg_connect(*urg, DEVICE, 115200);
if (ret < 0) {
return ret;
}
/*Switching on the laser scanner*/
urg_laserOn(*urg);
pthread_mutex_init(&mutex_laser_read, NULL);
/*Getting parameters*/
if(!parameter)
parameter=malloc(sizeof(urg_parameter_t));
urg_parameters(*urg, parameter);
frontal_index=get_frontal_index(*urg);
/*Switch to select the laser range finder acquiring mode*/
switch (urg_capturing_mode)
{
case CONTINUOUS:
/*keep capturing*/
urg_setCaptureTimes(*urg, UrgInfinityTimes);
/*request all the data*/
urg_requestData(*urg, URG_MD, URG_FIRST, URG_LAST);
break;
case HYBRID:
/*keep capturing capture_times*/
urg_setCaptureTimes(*urg, capture_times);
/*request data*/
urg_requestData(*urg, URG_MD, URG_FIRST, URG_LAST);
break;
case ON_DEMAND:
urg_requestData(*urg, URG_GD, URG_FIRST, URG_LAST);
break;
default:
break;
}
return ret;
}
void checkAndConnect(Hok_t *hok) {
if (!hok->isWorking) {
printf("%sHokuyo not connected, trying to connect to %s\n", PREFIX, hok->path);
int error = urg_connect(hok->urg, hok->path, 115200);
if (error < 0) {
printf("%sCan't connect to hokuyo : %s\n", PREFIX, urg_error(hok->urg));
hok->isWorking = 0;
} else {
hok->imin = urg_rad2index(hok->urg, hok->cone_min);
hok->imax = urg_rad2index(hok->urg, hok->cone_max);
urg_setCaptureTimes(hok->urg, UrgInfinityTimes);
error = urg_requestData(hok->urg, URG_MD, hok->imin, hok->imax);
if (error < 0) {
printf("%sCan't connect to hokuyo\n", PREFIX);
hok->isWorking = 0;
} else {
printf("%sHokuyo connected\n", PREFIX);
hok->isWorking = 1;
printf("%sRequesting data on indexes %d to %d from %s OK\n", PREFIX, hok->imin, hok->imax, hok->path);
hok->nb_data = urg_dataMax(hok->urg);
double *angles = malloc(hok->nb_data * sizeof(double));
int i;
for (i=0; i<hok->nb_data; i++) {
angles[i] = modTwoPi(urg_index2rad(hok->urg, i) + hok->orientation);
}
hok->fm = initFastmath(hok->nb_data, angles);
free(angles);
printf("%sCalculted sin/cos data for %s\n", PREFIX, hok->path);
}
}
}
}
/* Function: mdlOutputs =======================================================
*
*/
static void mdlOutputs(SimStruct *S, int_T tid)
{
int32_T *y0 = (int32_T *)ssGetOutputPortRealSignal(S,0);
// Request Data
ret = urg_requestData(&urg, URG_GD, 0, 1080);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
y0[k]=data[k];
}
}
//lidarOnly_Outputs_wrapper(y0);
printf(data);
}
void Hokuyo::read(SampleBuffer *sb, cvg_long *timestampMs) {
int ret = urg_requestData(&urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) outError("Cannot request data");
ret = urg_receiveData(&urg, sb->getDataPtr(), sb->getMaxLength());
if (ret < 0) outError("Cannot receive data");
sb->setCurrentLength(ret);
if (timestampMs != NULL)
(*timestampMs) = urg_recentTimestamp(&urg);
}
/*-----------------------------------------------------------*/
int read_laser_data(urg_t *urg)
{
int n;
/*If there was an error...*/
/*Getting the maximum amount of data*/
data_max = urg_dataMax(urg);
if (data_max<0)
return -1;
pthread_mutex_lock(&mutex_laser_read);
if(!data_laser)
data_laser=malloc(sizeof(long)*data_max);
//free(data);
/*Data buffer allocation (deallocation is demanded to library user)*/
/*Printing and signalling allocation error*/
if (!(data_laser)) {
fprintf(stderr, "Error in data memory allocation\n");
return -1;
}
/*Check if capturing mode is HYBRID. If it is true, check the remaining capture times,
clean the serial and request data again.*/
else
{
if(urg_capturing_mode==HYBRID)
{
/*Escamotage to avoid the laser stuck bug*/
if(urg_remainCaptureTimes(urg)<10)
{
urg_disconnect(urg);
init_urg_laser(&urg,HYBRID);
}
}
}
/*Receive the data in the buffer*/
n = urg_receiveData(urg,data_laser,data_max);
pthread_mutex_unlock(&mutex_laser_read);
/*When the on_demand mode is on (it is necessary to explicitly request data)*/
if(urg_capturing_mode==ON_DEMAND)
{
int ret = urg_requestData(urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) {
return ret;
}
}
/*If there was an error...*/
if (n < 0) {
return -1;
}
return n;
}
// Buffer latest measurements from device
void LaserRangeFinder::update()
{
if (urg_requestData(& m_handle, URG_GD, URG_FIRST, URG_LAST) < 0)
throw lrf_error(LRF_DATA_RETRIEVAL_FAILURE) ;
m_retsiz = urg_receiveData(& m_handle, m_buffer, m_bufsiz) ;
if (m_retsiz < 0)
throw lrf_error(LRF_DATA_RETRIEVAL_FAILURE) ;
const int m = m_angle_range.min() ;
const int M = m_angle_range.max() ;
for (int angle = m, i = 0; angle <= M; ++angle, ++i)
{
long d = m_buffer[urg_deg2index(const_cast<urg_t*>(& m_handle), angle)] ;
if (d < m_distance_range.min() || d > m_distance_range.max())
d = -1 ;
m_distances[i] = static_cast<int>(d) ;
}
}
/* Function: mdlOutputs =======================================================
*
*/
static void mdlOutputs(SimStruct *S, int_T tid)
{
const int32_T *potVal = (const int32_T*) ssGetInputPortSignal(S,0);
const real_T *Speed = (const real_T*) ssGetInputPortSignal(S,1);
const real_T *Upos = (const real_T*) ssGetInputPortSignal(S,2);
const real_T *Dpos = (const real_T*) ssGetInputPortSignal(S,3);
real_T *lidarData = (real_T *)ssGetOutputPortRealSignal(S,0);
//Request data
urg_setCaptureTimes(&urg, 65);
ret = urg_requestData(&urg, URG_MD, 0, 1080);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
//Tell stepper to move to new position
CPhidgetStepper_setTargetPosition(stepper, 0, *Dpos);
for (j=0;j<65;j++) {
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
lidarData[(j*1080)+k] = data[k];
}
}
}
stepperMove(*Upos, stepper);
//lidar_zero_test_Outputs_wrapper(potVal, Speed, Upos, Dpos, lidarData);
}
//获取原始数据，这里去调用SCIP lib的库函数，填充DataFrame实体
bool CSCIPRadarComm::GetRawData(DataFrame * pData)
{
int data_max;
long *data;
int ret;
int n;
data_max = urg_dataMax(&urg);
data = new long[data_max];
if (data == NULL) {
//perror("malloc");
return false;
}
memset(data,0,sizeof(long)*data_max);
ret = urg_requestData(&urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) {
delete data;
return false;
}
n = urg_receiveData(&urg, data, data_max);//n 表示返回的距离个数，最大1081
if (n < 0) {
delete data;
return false;
}
if( ResolveData(data,n,pData)) //解析原始数据，存入自己定义的原始数据
{
delete data;
return true;
}
else
{
delete data;
return false;
}
}
/*! main */
int main(int argc, char *argv[])
{
enum {
CaptureTimes = 10,
};
#ifdef WINDOWS_OS
const char device[] = "COM3"; /* For Windows */
#else
const char device[] = "/dev/ttyACM0"; /* For Linux */
#endif
int data_max;
long* data;
urg_parameter_t parameter;
int ret;
int n;
int i;
/* Connection */
urg_t urg;
ret = urg_connect(&urg, device, 115200);
if (ret < 0) {
urg_exit(&urg, "urg_connect()");
}
/* Request for Data using GD */
data_max = urg_dataMax(&urg);
data = (long*)malloc(sizeof(long) * data_max);
if (data == NULL) {
perror("data buffer");
exit(1);
}
urg_parameters(&urg, ¶meter);
/* Request for Data using GD */
printf("GD capture\n");
for (i = 0; i < CaptureTimes; ++i) {
/* Request for data */
ret = urg_requestData(&urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
/* Reception */
n = urg_receiveData(&urg, data, data_max);
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
}
/* Display */
printData(&urg, ¶meter, data);
}
printf("\n");
/* Request for Data using MD */
printf("MD capture\n");
/* set data acquisition frequency equal to infinity, to get the data more
than 100 times */
/* urg_setCaptureTimes(&urg, UrgInfinityTimes); */
assert(CaptureTimes < 100);
urg_setCaptureTimes(&urg, CaptureTimes);
/* Request for data */
ret = urg_requestData(&urg, URG_MD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
for (i = 0; i < CaptureTimes; ++i) {
/* Reception */
n = urg_receiveData(&urg, data, data_max);
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
}
/* Display */
printData(&urg, ¶meter, data);
}
urg_disconnect(&urg);
free(data);
#ifdef MSC
getchar();
#endif
return 0;
}
/*! main */
int main(int argc, char *argv[])
{
enum {
Times = 10,
Urgs = 2,
};
urg_t urg[Urgs];
long *data[Urgs];
int data_max[Urgs];
int timestamp;
int ret;
int n;
int i;
int k;
#ifdef WINDOWS_OS
const char *devices[] = { "COM3", "COM4" }; /* For Windows */
#else
const char *devices[] = { "/dev/ttyACM0", "/dev/ttyACM1" }; /* For Linux */
#endif
/* Connection */
for (i = 0; i < Urgs; ++i) {
urg_initialize(&urg[i]);
ret = urg_connect(&urg[i], devices[i], 115200);
if (ret < 0) {
urg_exit(&urg[i], "urg_connect()");
}
/* To clear existing MD command*/
urg_laserOff(&urg[i]);
/* It will become easy if some frames are skipped. */
/* If specified skip is 2, then transferred data becomes half. */
/* urg_setSkipLines(&urg[i], 2); */
/* Reserve for receive buffer */
data_max[i] = urg_dataMax(&urg[i]);
data[i] = (long*)malloc(sizeof(long) * data_max[i]);
if (data[i] == NULL) {
perror("data buffer");
exit(1);
}
}
/* Request for MD data */
for (i = 0; i < Urgs; ++i) {
urg_setCaptureTimes(&urg[i], Times);
/* Request for data */
ret = urg_requestData(&urg[i], URG_MD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg[i], "urg_requestData()");
}
}
for (k = 0; k < Times; ++k) {
for (i = 0; i < Urgs; ++i) {
/* Ends when data reception is completed */
int remain_times = urg_remainCaptureTimes(&urg[i]);
printf(" %d: ", i);
printf("(%03d/%03d): ", remain_times, Times);
if (remain_times <= 0) {
printf("\n");
continue;
}
/* Reception */
n = urg_receiveData(&urg[i], data[i], data_max[i]);
if (n < 0) {
/* Continue processing, because there is chances of receiving the
data next time. */
printf("%s: %s\n", "urg_receiveData()", urg_error(urg));
} else {
/* Display */
timestamp = urg_recentTimestamp(&urg[i]);
printf("timestamp: %d, ", timestamp);
#if 0
{
int j;
for (j = 0; j < n; ++j) {
/* Neglect if distance data is less than urg_minDistance() */
printf("%d:%ld, ", j, data[i][j]);
}
printf("\n");
}
#endif
printf("\n");
}
}
}
/* Disconnect */
for (i = 0; i < Urgs; ++i) {
urg_disconnect(&urg[i]);
free(data[i]);
}
#ifdef MSC
getchar();
#endif
return 0;
}
/* Function: mdlOutputs =======================================================
*
*/
static void mdlOutputs(SimStruct *S, int_T tid)
{
const int32_T *potVal = (const int32_T*) ssGetInputPortSignal(S,0);
const real_T *Speed = (const real_T*) ssGetInputPortSignal(S,1);
const real_T *Upos = (const real_T*) ssGetInputPortSignal(S,2);
const real_T *Dpos = (const real_T*) ssGetInputPortSignal(S,3);
const real_T *ScanNumber = (const real_T*) ssGetInputPortSignal(S,4);
real_T *lidarData = (real_T *)ssGetOutputPortRealSignal(S,0);
real_T *udOut = (real_T *)ssGetOutputPortRealSignal(S,1);
//Read number of scans
int ScanNum = *ScanNumber;
CPhidgetStepper_setVelocityLimit(stepper, 0, *Speed);
//Variables required for zeroing
//Calibrated for three turn pot
int zeroPos = 517;
int dpot;
int dstep;
//Pot reader may take a minute to initialize and will send zero
//If this is the case do nothing
if (*potVal == 0) {}
// Otherwise scan
else {
//Zero stepper on first run
//Account for differnces coming from different directions
if (counter == 0) {
if (zeroPos > *potVal) {
zeroPos = 515;
}
if (zeroPos < *potVal) {
zeroPos = 519;
}
//Find required steps and move to zero position
printf("potVal:%d\n", *potVal);
dpot = zeroPos - *potVal;
printf("Dpot:%d\n", dpot);
dstep = -1036/125*dpot;
//If error occurs dstep may be very large
//Limit dstep value to prevent damage to system
if (dstep > 1600) {
dstep = 1600;
}
if (dstep < -1600) {
dstep = -1600;
}
printf("Dstep:%d\n", dstep);
stepperMove(dstep, stepper);
//Set current position to zero
CPhidgetStepper_setCurrentPosition(stepper, 0, 0);
//Move to Up position to begin scanning process
stepperMove(*Upos, stepper);
counter = 1;
}
//Request data
urg_setCaptureTimes(&urg, ScanNum);
ret = urg_requestData(&urg, URG_MD, 0, 1080);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
//Tell stepper to move to new position
if (counter == 1) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Dpos);
counter = 2;
*udOut = 0;
}
else if (counter == 2) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Upos);
counter = 1;
*udOut = 1;
}
for (j=0;j<ScanNum;j++) {
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
lidarData[(j*1080)+k] = data[k];
}
}
}
//stepperMove(*Upos, stepper);
}
//lidar_zero_test_v4_Outputs_wrapper(potVal, Speed, Upos, Dpos, ScanNumber, lidarData, udOut);
}
int main(int argc, char *argv[])
{
#ifdef WINDOWS_OS
const char device[] = "COM3"; /* For Windows */
#else
const char device[] = "/dev/ttyACM0"; /* For Linux */
#endif
int data_max;
long *data;
int timestamp;
int ret;
int n;
int i;
/* Connection */
urg_t urg;
urg_initialize(&urg);
ret = urg_connect(&urg, device, 115200);
if (ret < 0) {
urg_exit(&urg, "urg_connect()");
}
/* Reserve for reception data */
data_max = urg_dataMax(&urg);
data = (long*)malloc(sizeof(long) * data_max);
if (data == NULL) {
perror("malloc");
exit(1);
}
/* Request for GD data */
ret = urg_requestData(&urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
/* Reception */
n = urg_receiveData(&urg, data, data_max);
printf("# n = %d\n", n);
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
}
/* Display */
timestamp = urg_recentTimestamp(&urg);
printf("# timestamp: %d\n", timestamp);
for (i = 0; i < n; ++i) {
/*Neglect the distance less than urg_minDistance() */
printf("%d %ld, ", i, data[i]);
}
printf("\n");
urg_disconnect(&urg);
free(data);
#ifdef MSC
getchar();
#endif
return 0;
}
/*! main */
int main(int argc, char *argv[])
{
#ifdef WINDOWS_OS
const char device[] = "COM3"; /* For Windows */
#else
const char device[] = "/dev/ttyACM0"; /* For Linux */
#endif
long *data = NULL;
int data_max;
int min_length = 0;
int max_length = 0;
int ret;
int n;
int i;
/* Connection */
urg_t urg;
urg_initialize(&urg);
ret = urg_connect(&urg, device, 115200);
if (ret < 0) {
urg_exit(&urg, "urg_connect()");
}
/* Reserve for Reception data */
data_max = urg_dataMax(&urg);
data = (long*)malloc(sizeof(long) * data_max);
if (data == NULL) {
perror("data buffer");
exit(1);
}
/* Request for GD data */
ret = urg_requestData(&urg, URG_GD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
/* Reception */
n = urg_receiveData(&urg, data, data_max);
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
}
/* Output as 2 dimensional data */
/* Consider front of URG as positive direction of X axis */
min_length = urg_minDistance(&urg);
max_length = urg_maxDistance(&urg);
for (i = 0; i < n; ++i) {
int x, y;
long length = data[i];
/* Neglect the out of range values */
if ((length <= min_length) || (length >= max_length)) {
continue;
}
x = (int)(length * cos(urg_index2rad(&urg, i)));
y = (int)(length * sin(urg_index2rad(&urg, i)));
printf("%d\t%d\t# %d, %ld\n", x, y, i, length);
}
urg_disconnect(&urg);
free(data);
#ifdef MSC
getchar();
#endif
return 0;
}
/* Function: mdlOutputs =======================================================
*
*/
static void mdlOutputs(SimStruct *S, int_T tid)
{
const int32_T *potVal = (const int32_T*) ssGetInputPortSignal(S,0);
const real_T *Speed = (const real_T*) ssGetInputPortSignal(S,1);
const real_T *Upos = (const real_T*) ssGetInputPortSignal(S,2);
const real_T *Dpos = (const real_T*) ssGetInputPortSignal(S,3);
const real_T *ScanNumber = (const real_T*) ssGetInputPortSignal(S,4);
real_T *lidarData = (real_T *)ssGetOutputPortRealSignal(S,0);
uint8_T *Red = (uint8_T *)ssGetOutputPortRealSignal(S,1);
uint8_T *Green = (uint8_T *)ssGetOutputPortRealSignal(S,2);
uint8_T *Blue = (uint8_T *)ssGetOutputPortRealSignal(S,3);
real_T *udOut = (real_T *)ssGetOutputPortRealSignal(S,4);
//Read number of scans
int ScanNum = *ScanNumber;
CPhidgetStepper_setVelocityLimit(stepper, 0, *Speed);
//Parameters required for zeroing
//Calibrated for three turn pot
int zeroPos = 534; //Potentiometer reading at level position
int stepRes = 3950; //Number of steps to move the stepper 180 degrees
int potRes = 323; //Number of potValues that represent the rotation of the gimbal 180 degrees
int potGive = 2; //Accounts for slack in gearing for pot
//Variables required for zeroing
int dpot; //difference to desired pot value from current
int dstep; //number of steps the stepper must move to get to desired position
//Pot reader may take a minute to initialize and will send zero
//If this is the case do nothing
if (*potVal != 0){
//Zero stepper on first run
//Account for differnces coming from different directions
if (counter == 0) {
//write pot value
printf("potVal:%d\n", *potVal);
//Find pot value difference to calculate steps needed to level
if (zeroPos > *potVal) {
dpot = zeroPos - potGive - *potVal;
}
if (zeroPos < *potVal) {
dpot = zeroPos + potGive -*potVal;
}
//write difference
printf("Dpot:%d\n", dpot);
//Find required steps and move to level position
dstep = -stepRes/potRes*dpot;
//If error occurs dstep may be very large
//Limit dstep value to prevent damage to system
if (dstep > 1600) {
dstep = 1600;
}
if (dstep < -1600) {
dstep = -1600;
}
//write number of steps to zero
printf("Dstep:%d\n", dstep);
stepperMove(dstep, stepper);
//Set current position to zero
CPhidgetStepper_setCurrentPosition(stepper, 0, 0);
//Move to Up position to begin scanning process
stepperMove(*Upos, stepper);
counter = 1;
}
//Request data
urg_setCaptureTimes(&urg, ScanNum);
ret = urg_requestData(&urg, URG_MD, 0, 1080);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
//Tell stepper to move to new position
if (counter == 1) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Dpos);
counter = 2;
*udOut = 0;
}
else if (counter == 2) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Upos);
counter = 1;
*udOut = 1;
}
for (j=0;j<ScanNum;j++) {
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
lidarData[(j*1080)+k] = data[k];
}
}
}
}// END OF LIDAR DATA ACQ
// START CAM ACQ
// Grab a number of frames in order to flush the data buffer
int flush1 = cvGrabFrame( capture1 );
int flush2 = cvGrabFrame( capture1 );
int flush3 = cvGrabFrame( capture1 );
int flush4 = cvGrabFrame( capture1 );
IplImage *frame1 = cvQueryFrame( capture1 ); //Gets Frame from Camera
unsigned char *data1 = frame1->imageData;
long iNew, jNew = 0, kNew = 0;
for(iNew = 0; iNew < 480*640*3; iNew+=3){
//printf("data: %d, %d, %d \n",data[i],data[i+1], data[i+2]);
Blue[jNew*480+kNew] = data1[iNew];
Green[jNew*480+kNew] = data1[iNew+1];
Red[jNew*480+kNew] = data1[iNew+2];
jNew++;
if(jNew==640){kNew++; jNew = 0;}
}
}
/* Function: mdlOutputs =======================================================
*
*/
static void mdlOutputs(SimStruct *S, int_T tid) {
const int32_T *choice = (const int32_T*) ssGetInputPortSignal(S, 0);
const int32_T *potVal = (const int32_T*) ssGetInputPortSignal(S, 1);
const real_T *Speed = (const real_T*) ssGetInputPortSignal(S, 2);
const real_T *Upos = (const real_T*) ssGetInputPortSignal(S, 3);
const real_T *Dpos = (const real_T*) ssGetInputPortSignal(S, 4);
const real_T *ScanNumber = (const real_T*) ssGetInputPortSignal(S, 5);
real_T *lidarData = (real_T *)ssGetOutputPortRealSignal(S, 0);
uint8_T *Red = (uint8_T *)ssGetOutputPortRealSignal(S, 1);
uint8_T *Green = (uint8_T *)ssGetOutputPortRealSignal(S, 2);
uint8_T *Blue = (uint8_T *)ssGetOutputPortRealSignal(S, 3);
real_T *udOut = (real_T *)ssGetOutputPortRealSignal(S, 4);
//Read number of scans
int ScanNum = *ScanNumber;
IplImage *frame1;
CPhidgetStepper_setVelocityLimit(stepper, 0, *Speed);
//Parameters required for zeroing
//Calibrated for three turn pot
int zeroPos = 483; //Potentiometer reading at level position
int stepRes = 7328; //Number of steps to move the gimbal 180 degrees
int potRes = 741; //Number of potValues that represent the rotation of the gimbal 180 degrees
int potGive = 14; //Accounts for slack in gearing for pot
//Variables required for zeroing
int dpot; //difference to desired pot value from current
int dstep; //number of steps the stepper must move to get to desired position
int midscan = ScanNum/2;
// Stepper Always On
// Option 0 - Lidar Only
// Option 1 - Cam Only
// Option 2 - All On
// Default case - Do Nothing/Error Recovery
switch(*choice){
//////////////////////////////////////////////////////
/////////////// Option 0 - Lidar Only ///////////////
//////////////////////////////////////////////////////
case 0:{
//Pot reader may take a minute to initialize and will send zero
//If this is the case do nothing
if (*potVal != 0) {
//Zero stepper on first run
//Account for differnces coming from different directions
if (counter == 0) {
printf("potVal:%d\n", *potVal);
//Find pot value difference to calculate steps needed to level
if (zeroPos > *potVal) {
dpot = zeroPos - potGive - *potVal;
}
else if (zeroPos < *potVal) {
dpot = zeroPos + potGive -*potVal;
}
else {
dpot = 0;
}
printf("Dpot:%d\n", dpot);
//Find required steps and move to level position
dstep = -stepRes/potRes*dpot;
//If error occurs dstep may be very large
//Limit dstep value to prevent damage to system
if (dstep > 3000)
dstep = 3000;
if (dstep < -3000)
dstep = -3000;
printf("Dstep:%d\n", dstep);
stepperMove(dstep, stepper);
//Set current position to zero
CPhidgetStepper_setCurrentPosition(stepper, 0, 0);
//Move to Up position to begin scanning process
stepperMove(*Upos, stepper);
counter = 1;
}
if (lidarCounter == 0) {
camCounter = 0;
bothCounter = 0;
lidarCounter = 1;
}
//Tell stepper to move to new position
if (counter == 1) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Dpos);
counter = 2;
*udOut = 0;
}
else if (counter == 2) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Upos);
counter = 1;
*udOut = 1;
}
//Sleep to allow stepper to start moving
usleep(120000);
//Request data
urg_setCaptureTimes(&urg, ScanNum);
ret = urg_requestData(&urg, URG_MD, 0, 1080);
if (ret < 0)
urg_exit(&urg, "urg_requestData()");
for (j=0;j<ScanNum;j++) {
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
lidarData[(j*1080)+k] = data[k];
}
}
}
}// END OF LIDAR DATA ACQ
break;
}
///////////////////////////////////////////////////
/////////////// Option 1 - Cam Only ///////////////
///////////////////////////////////////////////////
case 1:{
if (camCounter == 0) {
// Grab a number of frames in order to flush the data buffer
int flush1 = cvGrabFrame( capture1 );
int flush2 = cvGrabFrame( capture1 );
int flush3 = cvGrabFrame( capture1 );
int flush4 = cvGrabFrame( capture1 );
lidarCounter = 0;
bothCounter = 0;
camCounter = 1;
}
frame1 = cvQueryFrame( capture1 ); //Gets Frame from Camera
unsigned char *data1 = frame1->imageData;
long iNew, jNew = 0, kNew = 0;
for(iNew = 0; iNew < 480*640*3; iNew+=3){
//printf("data: %d, %d, %d \n",data[i],data[i+1], data[i+2]);
Blue[jNew*480+kNew] = data1[iNew];
Green[jNew*480+kNew] = data1[iNew+1];
Red[jNew*480+kNew] = data1[iNew+2];
jNew++;
if(jNew==640){kNew++; jNew = 0;}
}
break;
}
///////////////////////////////////////////////////
//////////////// Option 2 - All On ///////////////
///////////////////////////////////////////////////
case 2:{
//Pot reader may take a minute to initialize and will send zero
//If this is the case do nothing
//Zero stepper on first run
//Account for differnces coming from different directions
if (counter == 0) {
printf("potVal:%d\n", *potVal);
//Find pot value difference to calculate steps needed to level
if (zeroPos > *potVal) {
dpot = zeroPos - potGive - *potVal;
}
else if (zeroPos < *potVal) {
dpot = zeroPos + potGive -*potVal;
}
else {
dpot = 0;
}
printf("Dpot:%d\n", dpot);
//Find required steps and move to level position
dstep = -stepRes/potRes*dpot;
//If error occurs dstep may be very large
//Limit dstep value to prevent damage to system
if (dstep > 3000)
dstep = 3000;
if (dstep < -3000)
dstep = -3000;
printf("Dstep:%d\n", dstep);
stepperMove(dstep, stepper);
//Set current position to zero
CPhidgetStepper_setCurrentPosition(stepper, 0, 0);
//Move to Up position to begin scanning process
stepperMove(*Upos, stepper);
counter = 1;
}
if (bothCounter == 0) {
//Preform on first run
lidarCounter = 0;
camCounter = 0;
bothCounter = 1;
}
//START OF DATA ACQUISITION
//Tell stepper to move to new position
if (counter == 1) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Dpos);
counter = 2;
*udOut = 0;
}
else if (counter == 2) {
CPhidgetStepper_setTargetPosition(stepper, 0, *Upos);
counter = 1;
*udOut = 1;
}
//Sleep to allow stepper to start moving
usleep(120000);
//Request data
urg_setCaptureTimes(&urg, ScanNum);
ret = urg_requestData(&urg, URG_MD, 0, 1080);
if (ret < 0)
urg_exit(&urg, "urg_requestData()");
//Sleep so image will be taken in middle of lidar scan
//usleep(100000);
// Grab a number of frames in order to flush the data buffer
int flush1 = cvGrabFrame( capture1 );
int flush2 = cvGrabFrame( capture1 );
int flush3 = cvGrabFrame( capture1 );
int flush4 = cvGrabFrame( capture1 );
// Acquire from from webcam
//IplImage *frame1 = cvQueryFrame( capture1 );
for (j=0;j<ScanNum;j++) {
// Receive Data
n = urg_receiveData(&urg, data, 1080);
// Grab frame from webcam in middle of scan
if (j == midscan) {
frame1 = cvQueryFrame( capture1 );
}
// Error, can't receive negative data points
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
// Disconnect Lidar
urg_disconnect(&urg);
}
// Data Received, Construct Partial Image
else{
for(k=0;k<1080;k++){
lidarData[(j*1080)+k] = data[k];
}
}
}
unsigned char *data1 = frame1->imageData;
long iNew, jNew = 0, kNew = 0;
for(iNew = 0; iNew < 480*640*3; iNew+=3){
//printf("data: %d, %d, %d \n",data[i],data[i+1], data[i+2]);
Blue[jNew*480+kNew] = data1[iNew];
Green[jNew*480+kNew] = data1[iNew+1];
Red[jNew*480+kNew] = data1[iNew+2];
jNew++;
if(jNew==640){kNew++; jNew = 0;}
}
break;
}
///// Default Case for all other invalid input /////
default:{
lidarCounter = 0;
camCounter = 0;
bothCounter = 0;
break;
}
// END OF LIDAR DATA ACQ
}
}
//! main
int main(int argc, char *argv[])
{
enum {
CaptureTimes = 10,
};
#ifdef WINDOWS_OS
const char device[] = "COM3"; /* For Windows */
#else
const char device[] = "/dev/ttyACM0"; /* For Linux */
#endif
int data_max;
long* data;
int timestamp = -1;
int previous_timestamp;
int remain_times;
//int scan_msec;
urg_parameter_t parameter;
int ret;
int n;
int i;
urg_t urg;
/* Connection */
urg_initialize(&urg);
ret = urg_connect(&urg, device, 115200);
if (ret < 0) {
urg_exit(&urg, "urg_connect()");
exit(1);
}
/* Reserve for receive buffer */
data_max = urg_dataMax(&urg);
data = (long*)malloc(sizeof(long) * data_max);
if (data == NULL) {
fprintf(stderr, "data_max: %d\n", data_max);
perror("data buffer");
exit(1);
}
urg_parameters(&urg, ¶meter);
//scan_msec = urg_scanMsec(&urg);
/* Request for MD data */
/* To get data continuously for more than 100 times, set capture times equal
to infinity times(UrgInfinityTimes) */
/* urg_setCaptureTimes(&urg, UrgInfinityTimes); */
assert(CaptureTimes < 100);
urg_setCaptureTimes(&urg, CaptureTimes);
/* Request for data */
ret = urg_requestData(&urg, URG_MD, URG_FIRST, URG_LAST);
if (ret < 0) {
urg_exit(&urg, "urg_requestData()");
}
for (i = 0; i < CaptureTimes; ++i) {
/* Reception */
n = urg_receiveData(&urg, data, data_max);
printf("n = %d\n", n);
if (n < 0) {
urg_exit(&urg, "urg_receiveData()");
} else if (n == 0) {
printf("n == 0\n");
--i;
continue;
}
/* Display the front data with timestamp */
/* Delay in reception of data at PC causes URG to discard the data which
cannot be transmitted. This may results in remain_times to become
discontinuous */
previous_timestamp = timestamp;
timestamp = urg_recentTimestamp(&urg);
remain_times = urg_remainCaptureTimes(&urg);
/* Neglect the distance data if it is less than urg_minDistance() */
printf("%d/%d: %ld [mm], %d [msec], (%d)\n",
remain_times, CaptureTimes, data[parameter.area_front_], timestamp,
timestamp - previous_timestamp);
printf("%d, %d\n", i, remain_times);
if (remain_times <= 0) {
break;
}
}
urg_disconnect(&urg);
free(data);
#ifdef MSC
getchar();
#endif
return 0;
}
