Commit 22fe353f authored by Oleg Dzhimiev's avatar Oleg Dzhimiev

fixed zero division

parent bc8ce86f
......@@ -1230,6 +1230,8 @@ int pgm_limitfps (int sensor_port, ///< sensor port number (0..3
struct frameparspair_t pars_to_update[8]; // 4 needed, increase if more entries will be added
int nupdate=0;
int async=(thispars->pars[P_TRIG] & 4)?1:0;
// avoid zero division
int fps_flags = (thispars->pars[P_FP1000SLIM]!=0)?thispars->pars[P_FPSFLAGS]:0;
int cycles; // number of FPGA clock cycles per frame;
int min_period; // number of pixel clock periods needed for the compressor (or user limit)
int period=0;
......@@ -1310,7 +1312,7 @@ int pgm_limitfps (int sensor_port, ///< sensor port number (0..3
dev_dbg(sensor_port,"%s min_period =%d(0x%x)\n",sensor_port,min_period,min_period);
#endif
// is there limit set for the FPS?
if (thispars->pars[P_FPSFLAGS]) {
if (fps_flags) {
#if USELONGLONG
ull_period=(((long long) clk_sensor) * (long long) 1000);
#ifdef __div64_32
......@@ -1330,7 +1332,7 @@ int pgm_limitfps (int sensor_port, ///< sensor port number (0..3
}
dev_dbg(g_dev_ptr,"{%d} period=%d\n", sensor_port, period);
MDP(DBGB_PADD, sensor_port,"period =%d(0x%x)\n", period, period)
if ((thispars->pars[P_FPSFLAGS] & 1) && (period>min_period)) min_period=period;
if ((thispars->pars[P_FP1000SLIM]!=0) && (thispars->pars[P_FPSFLAGS] & 1) && (period>min_period)) min_period=period;
// *********************************************************** P_PF_HEIGHT
pfh=thispars->pars[P_PF_HEIGHT] &0xffff ;
if (pfh>0) {
......@@ -1339,13 +1341,16 @@ int pgm_limitfps (int sensor_port, ///< sensor port number (0..3
}
if (min_period != thispars->pars[P_PERIOD_MIN]) {
SETFRAMEPARS_SET(P_PERIOD_MIN, min_period); // set it (and propagate to the later frames)
// set it (and propagate to the later frames)
SETFRAMEPARS_SET(P_PERIOD_MIN, min_period);
dev_dbg(g_dev_ptr,"{%d} SETFRAMEPARS_SET(P_PERIOD_MIN, 0x%x)\n", sensor_port, min_period);
//pr_info("{%d} min period got updated to 0x%x (clk_sensor=%d, clk_fpga=%d)\n", sensor_port, min_period,clk_sensor,clk_fpga);
MDP(DBGB_PADD, sensor_port,"SETFRAMEPARS_SET(P_PERIOD_MIN, 0x%x)\n", min_period)
}
if (((thispars->pars[P_FPSFLAGS] & 2)==0) || (period < min_period)) period=0x7fffffff; // no upper limit
if (period != thispars->pars[P_PERIOD_MAX]) SETFRAMEPARS_SET(P_PERIOD_MAX, period); // set it (and propagate to the later frames)
// no upper limit
if (((fps_flags & 2)==0) || (period < min_period)) period=0x7fffffff;
// set it (and propagate to the later frames)
if (period != thispars->pars[P_PERIOD_MAX]) SETFRAMEPARS_SET(P_PERIOD_MAX, period);
// Now see if the sequencer period needs to be adjusted
// if (async && (thispars->pars[P_TRIG_PERIOD] >=256)) { // <256 - single trig
// if (async && (thispars->pars[P_TRIG_PERIOD] !=1)) { // <256 - single trig, here only ==1 is for single
......@@ -1358,7 +1363,7 @@ int pgm_limitfps (int sensor_port, ///< sensor port number (0..3
min_period_camsync = sensor_to_camsync(min_period, thispars->pars[P_CLK_SENSOR]);
if (thispars->pars[P_TRIG_PERIOD] < min_period_camsync) SETFRAMEPARS_SET(P_TRIG_PERIOD, min_period_camsync); // set it (and propagate to the later frames)
// if (async && (thispars->pars[P_FPSFLAGS] & 2) && (thispars->pars[P_TRIG_PERIOD] > period)) {
if (async && (thispars->pars[P_FPSFLAGS] & 2)) {
if (async && (fps_flags & 2)) {
period_camsync = sensor_to_camsync(period, thispars->pars[P_CLK_SENSOR]);
if (thispars->pars[P_TRIG_PERIOD] > period_camsync) {
SETFRAMEPARS_SET(P_TRIG_PERIOD, period_camsync); // set it (and propagate to the later frames)
......
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