eddy/CCD_Capture
1
0
Fork 0
mirror of https://github.com/eddyem/CCD_Capture.git synced 2026-06-21 19:36:21 +03:00
Code Issues Packages Projects Releases Wiki Activity

cont

Browse Source
This commit is contained in:
Edward Emelianov
2026-06-08 17:09:05 +03:00
parent f65daab527
commit 66e2bdfaac
6 changed files with 189 additions and 107 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
server.c
View File

@@ -82,6 +82,7 @@ strpair allcommands[] = {
{ CC_CMD_HBIN, "horizontal binning" },
{ CC_CMD_HELP, "show this help" },
{ CC_CMD_IMHEIGHT, "last image height" },
{ CC_CMD_IMNUMBER, "grabbed image number from server start"},
{ CC_CMD_IMWIDTH, "last image width" },
{ CC_CMD_INFTY, "an infinity loop taking images until there's connected clients" },
{ CC_CMD_INSTRUMENT, "FITS 'INSTRUME' field" },
@@ -116,6 +117,7 @@ static int lock(){
//DBG("\n\nAlready locked");
return FALSE;
}
//DBG("LOCK()");
return TRUE;
}
static void unlock(){
@@ -123,6 +125,7 @@ static void unlock(){
LOGERR("Can't unlock socket mutex");
ERR("Can't unlock socket mutex");
}
//DBG("UNLOCK()");
}
static cc_IMG *ima = NULL;
@@ -145,10 +148,15 @@ static void fixima(){
if(!camera) return;
double t0 = sl_dtime();
int locked = FALSE;
TIMESTAMP("Lock socket");
// lock socket operations
while(!(locked = lock()) && sl_dtime() - t0 < 0.5);
if(!locked) while(!lock()) unlock(); // force unlocking if can't do this gracefully
while(!(locked = lock()) && sl_dtime() - t0 < 0.5) usleep(1000);
if(!locked){
DBG("Still locked from outside -> unlock/lock");
while(!lock()) unlock(); // force unlocking if can't do this gracefully
}else DBG("LOCK takes %gs", sl_dtime()-t0);
int raw_width = curformat.w / GP->hbin, raw_height = curformat.h / GP->vbin;
TIMESTAMP("Check SHM image");
// allocate memory for largest possible image
if(!ima){
ima = cc_getshm(GP->shmkey, camera->array.h * camera->array.w * 2);
@@ -156,6 +164,7 @@ static void fixima(){
// init shared semaphore
cc_init_sem(TRUE);
}
TIMESTAMP("Lock SHM image");
cc_lock_shm(TRUE);
shmkey = GP->shmkey;
//if(raw_width == ima->w && raw_height == ima->h) return; // all OK
@@ -171,6 +180,7 @@ static void fixima(){
DBG("new image: %dx%d", raw_width, raw_height);
cc_unlock_shm();
unlock();
TIMESTAMP("All OK");
}
// functions for processCAM finite state machine
@@ -216,12 +226,14 @@ static inline void cameracapturestate(){ // capturing - wait for exposition ends
camstate = CAMERA_ERROR;
return;
}else{
TIMESTAMP("Fill FITS header");
ima->gotstat = 0; // fresh image without statistics - recalculate when save
ima->timestamp = sl_dtime(); // set timestamp
fillFITSheader(ima);
++ima->imnumber; // increment counter
}
cc_unlock_shm();
TIMESTAMP("Captured and unlocked");
}
camstate = CAMERA_FRAMERDY;
}
@@ -249,7 +261,7 @@ static void* processCAM(_U_ void *d){
printf("\t\t\tprocessCAM(), 5 seconds\n");
}
#endif
usleep(100);
usleep(1000);
if(tremain < 0.5 && tremain > 0.) usleep(tremain*1e6);
if(lock()){
// log
@@ -276,22 +288,17 @@ static void* processCAM(_U_ void *d){
unlock();
continue;
}
unlock();
cc_camera_state curstate = camstate;
switch(curstate){
case CAMERA_IDLE:
cameraidlestate();
break;
case CAMERA_CAPTURE:
cameracapturestate();
break;
case CAMERA_FRAMERDY:
// do nothing: when `server` got this state it sends "expstate=2" to all clients and changes state to IDLE
break;
case CAMERA_ERROR:
// do nothing: when `server` got this state it sends "expstate=3" to all clients and changes state to IDLE
default:
cameraidlestate();
break;
}
unlock();
}
}
return NULL;
@@ -363,9 +370,7 @@ static cc_hresult restarthandler(_U_ int fd, _U_ const char *key, _U_ const char
static cc_hresult imsizehandler(int fd, const char *key, _U_ const char *val){
char buf[64];
if(!ima) return CC_RESULT_FAIL;
// send image width/height in pixels
if(0 == strcmp(key, CC_CMD_IMHEIGHT)) snprintf(buf, 63, CC_CMD_IMHEIGHT "=%d", ima->h);
else snprintf(buf, 63, CC_CMD_IMWIDTH "=%d", ima->w);
snprintf(buf, 63, "%s=%d", key, (0 == strcmp(key, CC_CMD_IMHEIGHT)) ? ima->h : ima->w);
if(!cc_sendstrmessage(fd, buf)) return CC_RESULT_DISCONNECTED;
return CC_RESULT_SILENCE;
}
@@ -488,19 +493,21 @@ static cc_hresult camfanhandler(int fd, _U_ const char *key, _U_ const char *val
}
const char *shutterstr[] = {"open", "close", "expose @high", "expose @low"};
static cc_hresult shutterhandler(_U_ int fd, _U_ const char *key, const char *val){
char buf[64];
if(!camera->shuttercmd) return CC_RESULT_FAIL;
if(val){
int x = atoi(val);
if(x < 0 || x >= SHUTTER_AMOUNT) return CC_RESULT_BADVAL;
int r = camera->shuttercmd((cc_shutter_op)x);
if(r){
LOGMSG("Shutter command '%s'", shutterstr[x]);
}else{
LOGWARN("Can't run shutter command '%s'", shutterstr[x]);
return CC_RESULT_FAIL;
}
if(!val) return CC_RESULT_BADVAL;
int x = atoi(val);
if(x < 0 || x >= SHUTTER_AMOUNT) return CC_RESULT_BADVAL;
int r = camera->shuttercmd((cc_shutter_op)x);
if(r){
LOGMSG("Shutter command '%s'", shutterstr[x]);
}else{
LOGWARN("Can't run shutter command '%s'", shutterstr[x]);
return CC_RESULT_FAIL;
}
return CC_RESULT_OK;
snprintf(buf, 63, "%s=%d", key, x);
if(!cc_sendstrmessage(fd, buf)) return CC_RESULT_DISCONNECTED;
return CC_RESULT_SILENCE;
}
static cc_hresult confiohandler(_U_ int fd, _U_ const char *key, _U_ const char *val){
char buf[64];
@@ -613,17 +620,18 @@ static cc_hresult expstatehandler(int fd, _U_ const char *key, const char *val){
int n = atoi(val);
if(n == CAMERA_IDLE){ // cancel expositions
camflags |= FLAG_CANCEL;
return CC_RESULT_OK;
}
else if(n == CAMERA_CAPTURE){ // start exposition
if(GP->exptime < 1e-9){ // need exposition time to be set
return CC_RESULT_FAIL;
}
if(camstate == CAMERA_CAPTURE) return CC_RESULT_BUSY; // in progress
if(camstate == CAMERA_CAPTURE){
DBG("Capture in process when user ask '%s=%s'", key, val);
return CC_RESULT_BUSY; // in progress
}
TIMESTAMP("Get FLAG_STARTCAPTURE");
TIMEINIT();
camflags |= FLAG_STARTCAPTURE;
return CC_RESULT_OK;
}
else return CC_RESULT_BADVAL;
}
@@ -657,6 +665,16 @@ static cc_hresult _8bithandler(int fd, _U_ const char *key, const char *val){
if(!cc_sendstrmessage(fd, buf)) return CC_RESULT_DISCONNECTED;
return CC_RESULT_SILENCE;
}
static cc_hresult imnohandler(int fd, const char *key, const char _U_ *val){
if(!ima) return CC_RESULT_FAIL;
char buf[64];
cc_lock_shm(TRUE);
int No = ima->imnumber;
cc_unlock_shm();
snprintf(buf, 63, "%s=%d", key, No);
if(!cc_sendstrmessage(fd, buf)) return CC_RESULT_DISCONNECTED;
return CC_RESULT_SILENCE;
}
static cc_hresult fastspdhandler(int fd, _U_ const char *key, const char *val){
char buf[64];
if(!camera->setfastspeed) return CC_RESULT_FAIL;
@@ -955,6 +973,7 @@ static cc_handleritem items[] = {
{chkcc, camsetNhandler, CC_CMD_CAMDEVNO},
{chkcc, camfanhandler, CC_CMD_CAMFANSPD},
{chkcc, exphandler, CC_CMD_EXPOSITION},
{chkcc, imnohandler, CC_CMD_IMNUMBER},
{chkcc, binhandler, CC_CMD_HBIN},
{chkcc, binhandler, CC_CMD_VBIN},
{chkcc, temphandler, CC_CMD_CAMTEMPER},
@@ -1078,9 +1097,7 @@ void server(int sock, int imsock){
printf("\t\t\tserver(), 5 seconds\n");
}
#endif
DBG("poll");
poll(poll_set, nfd, 1); // max timeout - 1ms
DBG("chk imsock");
//if(imsock > -1 && sl_canread(imsock) > 0){
if(imsock > -1 && (poll_set[1].revents & POLLIN)){
//uint8_t buf[32];
@@ -1113,7 +1130,6 @@ void server(int sock, int imsock){
}
}else{WARN("accept()"); DBG("disconnected");}
}
DBG("chk cmd sock");
if(poll_set[0].revents & POLLIN){ // check main for accept()
struct sockaddr_in addr;
socklen_t len = sizeof(addr);
@@ -1147,11 +1163,11 @@ void server(int sock, int imsock){
camstate = CAMERA_IDLE;
}
#endif
DBG("scan connections");
// scan connections
for(int fdidx = 2; fdidx < nfd; ++fdidx){
if((poll_set[fdidx].revents & POLLIN) == 0) continue;
int fd = poll_set[fdidx].fd;
DBG("Got active fd=%d", fd);
cc_strbuff *curbuff = buffers[fdidx-1];
int disconnected = 0;
if(cc_read2buf(fd, curbuff)){
@@ -1173,7 +1189,6 @@ void server(int sock, int imsock){
--nfd;
}
}
DBG("Check infty");
// check `infty`
if(camstate != CAMERA_CAPTURE && infty){ // start new exposition
// mark to start new capture in infinity loop when at least one client connected
@@ -1183,7 +1198,6 @@ void server(int sock, int imsock){
TIMEINIT();
}
}
DBG("OK ->");
}
WARNX("SERVER STOPPED!");
camstop();