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linux-elphel
Commit fcf1ed50 authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
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fixed fps

parent a61e2d2a
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Showing with 138 additions and 111 deletions
src/drivers/elphel/mt9f002.c
View file @ fcf1ed50
......@@ -687,27 +687,19 @@ int mt9f002_calc_frame_length_lines(struct framepars_t * thispars){
int y_addr_start = thispars->pars[P_SENSOR_REGS+P_MT9F002_Y_ADDR_START];
int y_addr_end = thispars->pars[P_SENSOR_REGS+P_MT9F002_Y_ADDR_END];
int min_frame_blanking_lines = thispars->pars[P_SENSOR_REGS+P_MT9F002_MIN_FRAME_BLANKING_LINES];
//int coarse_exposure = thispars->pars[P_VEXPOS];
// TODO: do
int subsampling_factor = 1;
v0 = (y_addr_end - y_addr_start + 1)/subsampling_factor + min_frame_blanking_lines;
return v0;
}
int mt9f002_calc_frame_length_lines_2(int whs, int whe,struct framepars_t * thispars){
int v0;
int y_addr_start = whs;
int y_addr_end = whe;
int min_frame_blanking_lines = thispars->pars[P_SENSOR_REGS+P_MT9F002_MIN_FRAME_BLANKING_LINES];
// TODO: do
int subsampling_factor = 1;
v0 = (y_addr_end - y_addr_start + 1)/subsampling_factor + min_frame_blanking_lines;
/*
if (coarse_exposure>(v0-1)){
v0 = coarse_exposure + 1;
pr_info("frame_length_lines will get extended\n");
}
*/
return v0;
}
......@@ -715,9 +707,7 @@ int mt9f002_calc_frame_length_lines_2(int whs, int whe,struct framepars_t * this
// also defines horizontal blanking
int mt9f002_calc_line_length_pck(struct framepars_t * thispars){
int v0;
int v1;
int v2;
int v0, v1, v2, v3;
int x_addr_start = thispars->pars[P_SENSOR_REGS+P_MT9F002_X_ADDR_START];
int x_addr_end = thispars->pars[P_SENSOR_REGS+P_MT9F002_X_ADDR_END];
......@@ -726,25 +716,26 @@ int mt9f002_calc_line_length_pck(struct framepars_t * thispars){
int x_output_size = thispars->pars[P_SENSOR_REGS+P_MT9F002_X_OUTPUT_SIZE];
// does not match with the default value
//v0 = thispars->pars[P_SENSOR_REGS+P_MT9F002_MIN_LINE_LENGTH_PCK];
// does not match with the power on default value
v0 = thispars->pars[P_SENSOR_REGS+P_MT9F002_MIN_LINE_LENGTH_PCK];
// typo in the datasheet formula?
// incorrect formula?
//v1 = (x_addr_end-x_addr_start+x_odd_inc)/(1+x_odd_inc)+min_line_blanking_pck;
v1 = (x_addr_end-x_addr_start+x_odd_inc)/(1+x_odd_inc)+min_line_blanking_pck/2;
//v1 = ((x_addr_end-x_addr_start+x_odd_inc)*2/(1+x_odd_inc)+min_line_blanking_pck)/2;
v2 = MT9F002_VT_PIX_CLK/MT9F002_OP_PIX_CLK*x_output_size/4 + 0x5E;
// what?!
v1 = (x_addr_end-x_addr_start+1)+min_line_blanking_pck;
//v3 = (x_addr_end-x_addr_start+1)+min_line_blanking_pck;
//pr_info("x_addr_end=0x%08x x_addr_start=0x%08x x_odd_inc=0x%08x min_line_blanking_pck=0x%08x\n",x_addr_end,x_addr_start,x_odd_inc,min_line_blanking_pck);
v2 = MT9F002_VT_PIX_CLK/MT9F002_OP_PIX_CLK*x_output_size/4 + 0x5E;
//pr_info("v0=0x%08x v1=0x%08x v2=0x%08x\n",v0,v1,v2);
pr_info("v0=0x%08x v1=0x%08x v2=0x%08x\n",v0,v1,v2);
if (v0<v1) v0 = v1;
if (v0<v2) v0 = v2;
//if (v0<v3) v0 = v3;
//pr_info("result = 0x%08x\n",v0);
pr_info("result = 0x%08x\n",v0);
return v0;
}
......@@ -789,18 +780,18 @@ int mt9f002_pgm_window_common (int sensor_port, ///< sensor port
///< be applied to, negative - ASAP
///< @return 0 - OK, negative - error
{
int i,dv,dh,bv,bh,ww,wh,wl,wt,flip,flipX,flipY,d, v;
int dv,dh,bv,bh,ww,wh,wl,wt,flip,flipX,flipY,d, v;
int wws,wwe,whs,whe;
int compressor_margin; // 0 for JP4, 2 for JPEG
struct frameparspair_t pars_to_update[29];
int nupdate=0;
int styp = sensor->sensorType & 7;
int fll;
int llp;
int fll, llp;
if (frame16 >= PARS_FRAMES) return -1; // wrong frame
dev_dbg(g_dev_ptr,"{%d} frame16=%d\n",sensor_port,frame16);
if (frame16 >= PARS_FRAMES) return -1; // wrong frame
pr_info("mt9f002_pgm_window_common: %d\n",thispars->pars[P_EXPOS]);
dh= thispars->pars[P_DCM_HOR];
dv= thispars->pars[P_DCM_VERT];
......@@ -891,52 +882,53 @@ int mt9f002_pgm_window_common (int sensor_port, ///< sensor port
// program sensor width
if (wws != thispars->pars[P_SENSOR_REGS+P_MT9F002_X_ADDR_START]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_X_ADDR_START, wws);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9F002_X_ADDR_START, (int) wws);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_MT9F002_X_ADDR_START, (int) wws);
}
if (wwe != thispars->pars[P_SENSOR_REGS+P_MT9F002_X_ADDR_END]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_X_ADDR_END, wwe);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9F002_X_ADDR_END, (int) wwe);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_MT9F002_X_ADDR_END, (int) wwe);
}
if (ww != thispars->pars[P_SENSOR_REGS+P_MT9F002_X_OUTPUT_SIZE]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_X_OUTPUT_SIZE, ww);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9F002_X_OUTPUT_SIZE, (int) ww);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_MT9F002_X_OUTPUT_SIZE, (int) ww);
}
// program sensor height
if (whs!= thispars->pars[P_SENSOR_REGS+P_MT9F002_Y_ADDR_START]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16 ,P_MT9F002_Y_ADDR_START, whs);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_SENSOR_REGS+P_MT9F002_Y_ADDR_START, (int) whs);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_SENSOR_REGS+P_MT9F002_Y_ADDR_START, (int) whs);
}
if (whe!= thispars->pars[P_SENSOR_REGS+P_MT9F002_Y_ADDR_END]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16 ,P_MT9F002_Y_ADDR_END, whe);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_SENSOR_REGS+P_MT9F002_Y_ADDR_END, (int) whe);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_SENSOR_REGS+P_MT9F002_Y_ADDR_END, (int) whe);
}
if (wh != thispars->pars[P_SENSOR_REGS+P_MT9F002_Y_OUTPUT_SIZE]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_Y_OUTPUT_SIZE, wh);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9F002_Y_OUTPUT_SIZE, (int) wh);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16, (int) P_MT9F002_Y_OUTPUT_SIZE, (int) wh);
}
// recalc something after this one?
fll = mt9f002_calc_frame_length_lines(thispars);
//fll = mt9f002_calc_frame_length_lines_2(whs,whe,thispars);
// this sets the vertical blanking
if (fll!=thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES]){
//pr_info("old fll=0x%08x, new fll=0x%08x\n",thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES],fll);
pr_info("limit fps, old frame_length_lines=0x%08x, new frame_length_lines=0x%08x\n",
thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES], fll);
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_FRAME_LENGTH_LINES, fll);
}
// recalc exposure after this one
llp = mt9f002_calc_line_length_pck(thispars);
//llp = 0x2350;
if (llp!=thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK]){
if (llp != thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK]){
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_LINE_LENGTH_PCK, llp);
}
// write flips and skips
// reg 0x3040 = P_REG_MT9F002_READ_MODE
......@@ -1070,19 +1062,23 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
int row_time_in_pixels=0;
int hor_blank_min;
int hor_blank=0;
int p1,p2, pix_period, sclk,fp1000s, trig_period;
int styp = sensor->sensorType & 7;
int p1, p2, pix_period, sclk,fp1000s, trig_period;
int height;
int virt_height;
int virt_height_min;
int vert_blank;
uint64_t ull_fp1000s;
int target_virt_width=(thispars->pars[P_VIRT_KEEP])?(thispars->pars[P_VIRT_WIDTH]):0;
dev_dbg(g_dev_ptr,"{%d} frame16=%d\n",sensor_port,frame16);
dev_dbg(g_dev_ptr,"{%d} frame16=%d\n",sensor_port,frame16);
if (frame16 >= PARS_FRAMES) return -1; // wrong frame
pr_info("mt9f002_pgm_limitfps: %d\n",thispars->pars[P_EXPOS]);
width = 2 * ww / (2 * dh);
if((width * dh) < ww) width++;
......@@ -1113,7 +1109,9 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
//dev_dbg(g_dev_ptr,"{%d} hor_blank_min =%d(0x%x)\n",sensor_port,hor_blank_min,hor_blank_min);
//hor_blank = hor_blank_min;
//dev_dbg(g_dev_ptr,"{%d} hor_blank =%d(0x%x)\n",sensor_port,hor_blank,hor_blank);
row_time_in_pixels = thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK];
row_time_in_pixels = 2*thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK];
//row_time_in_pixels = mt9f002_calc_line_length_pck(thispars);
//dev_dbg(g_dev_ptr,"{%d} row_time_in_pixels =%d(0x%x)\n",sensor_port,row_time_in_pixels,row_time_in_pixels);
//i = 2 * (41 + 208 * thispars->pars[P_BIN_VERT] + 99); //strange 41 and 99, why not 140?
......@@ -1130,10 +1128,17 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
*/
// schedule updating P_VIRT_WIDTH if it changed FIXME: Does not come here?
dev_dbg(g_dev_ptr,"{%d} row_time_in_pixels =%d(0x%x), thispars->pars[P_VIRT_WIDTH ]=%d(0x%x)\n",sensor_port,row_time_in_pixels,row_time_in_pixels,(int)thispars->pars[P_VIRT_WIDTH ],(int)thispars->pars[P_VIRT_WIDTH ]);
if (thispars->pars[P_VIRT_WIDTH ] != row_time_in_pixels) {
dev_dbg(g_dev_ptr,"{%d} row_time_in_pixels = %d(0x%x), thispars->pars[P_VIRT_WIDTH] = %d(0x%x)\n",
sensor_port, row_time_in_pixels,
row_time_in_pixels,
(int)thispars->pars[P_VIRT_WIDTH],
(int)thispars->pars[P_VIRT_WIDTH]);
if (thispars->pars[P_VIRT_WIDTH] != row_time_in_pixels) {
SETFRAMEPARS_SET(P_VIRT_WIDTH, row_time_in_pixels);
}
/*
// schedule updating P_MT9X001_HORBLANK senosr register and shadow FIXME: Seems hor_blank is too high. is the width itself subtracted?
if (hor_blank != thispars->pars[P_SENSOR_REGS+P_MT9X001_HORBLANK]) {
......@@ -1153,8 +1158,11 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
int height = 2 * (wh / (2 * dv));
if((height * dv) < wh) height++;
*/
height = thispars->pars[P_SENSOR_PIXV];
// this should be based on exposure
//virt_height = height + sensor->minVertBlank;
//virt_height = mt9f002_calc_frame_length_lines(thispars);
virt_height = thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES];
if (thispars->pars[P_VIRT_KEEP]) {
if (virt_height < thispars->pars[P_VIRT_HEIGHT]) {
......@@ -1164,29 +1172,33 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
dev_dbg(g_dev_ptr,"{%d} height =%d(0x%x), virt_height=%d(0x%x)\n",sensor_port,height,height,virt_height,virt_height);
// limit frame rate (using minimal period), but only in sync mode - async should be programmed to observe minimal period
if ((thispars->pars[P_TRIG] & 4) == 0) {
int virt_height1= thispars->pars[P_PERIOD_MIN]/row_time_in_pixels; // always non-zero, calculated by pgm_limitfps (common)
if ((row_time_in_pixels * virt_height1) < thispars->pars[P_PERIOD_MIN]) virt_height1++; //round up
if (virt_height < virt_height1) virt_height = virt_height1;
// ignore trig - period
//if ((thispars->pars[P_TRIG] & 4) == 0) {
virt_height_min = thispars->pars[P_PERIOD_MIN]/row_time_in_pixels; // always non-zero, calculated by pgm_limitfps (common)
if ((row_time_in_pixels * virt_height_min) < thispars->pars[P_PERIOD_MIN]) virt_height_min++; //round up
if (virt_height < virt_height_min) virt_height = virt_height_min;
dev_dbg(g_dev_ptr,"{%d} height =%d(0x%x), modified virt_height=%d(0x%x)\n",sensor_port,height,height,virt_height,virt_height);
}
vert_blank= virt_height - height;
//}
/*
if(vert_blank > sensor->maxVertBlank) {
vert_blank = sensor->maxVertBlank;
virt_height = vert_blank + height;
}
dev_dbg(g_dev_ptr,"{%d} vert_blank =%d(0x%x), virt_height=%d(0x%x)\n",sensor_port,vert_blank,vert_blank,virt_height,virt_height);
*/
pr_info("{%d} row_time_in_pixels = %d, thispars->pars[P_VIRT_WIDTH] = %d, period_min = %d, virt_height_min = %d\n",
sensor_port, row_time_in_pixels,
(int)thispars->pars[P_VIRT_WIDTH],
(int)thispars->pars[P_PERIOD_MIN],
virt_height_min);
// schedule updating P_VIRT_HEIGHT if it changed
dev_dbg(g_dev_ptr,"{%d} thispars->pars[P_VIRT_HEIGHT] =%d(0x%x), virt_height=%d(0x%x)\n",sensor_port,(int)thispars->pars[P_VIRT_HEIGHT],(int)thispars->pars[P_VIRT_HEIGHT ],virt_height,virt_height);
if (thispars->pars[P_VIRT_HEIGHT ] != virt_height) {
//pr_info("setting virt_height to %d\n",virt_height);
dev_dbg(g_dev_ptr,"{%d} thispars->pars[P_VIRT_HEIGHT] =%d(0x%x), virt_height=%d(0x%x)\n",
sensor_port,
(int)thispars->pars[P_VIRT_HEIGHT],
(int)thispars->pars[P_VIRT_HEIGHT],
virt_height,
virt_height);
if (thispars->pars[P_VIRT_HEIGHT]!= virt_height) {
pr_info("Will set virt_height to %d\n",virt_height);
SETFRAMEPARS_SET(P_VIRT_HEIGHT, virt_height);
}
// schedule updating P_PERIOD if it changed
pix_period=row_time_in_pixels*virt_height;
if (!pix_period ){
......@@ -1198,7 +1210,7 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
// IMPORTANT: this is moved above setting P_PERIOD
// Update period from external trigger (assuming internal/self trigger, we do not know real external trigger period)
pix_period = compare_to_trig_period_mt9f002(sensor_port,pix_period,thispars);
//pix_period = compare_to_trig_period_mt9f002(sensor_port,pix_period,thispars);
dev_dbg(g_dev_ptr,"{%d} thispars->pars[P_PERIOD] =%d(0x%x), pix_period=%d(0x%x)\n",sensor_port,(int)thispars->pars[P_PERIOD],(int)thispars->pars[P_PERIOD],pix_period,pix_period);
if (thispars->pars[P_PERIOD] != pix_period) {
......@@ -1219,24 +1231,16 @@ int mt9f002_pgm_limitfps (int sensor_port, ///< sensor port numb
dev_dbg(g_dev_ptr,"{%d} thispars->pars[P_FP1000S] =%d(0x%x), fp1000s=%d(0x%x)\n",sensor_port,(int)thispars->pars[P_FP1000S],(int)thispars->pars[P_FP1000S],fp1000s,fp1000s);
if (thispars->pars[P_FP1000S] != fp1000s) {
pr_info("pgm_limitfps fp1000s = %d\n",fp1000s);
SETFRAMEPARS_SET(P_FP1000S, fp1000s);
}
// this sets the vertical blanking
if (virt_height!=thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES]){
//pr_info("limit fps, old frame_length_lines=0x%08x, new frame_length_lines=0x%08x\n",thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES],virt_height);
pr_info("limit fps, old frame_length_lines=0x%08x, new frame_length_lines=0x%08x\n",
thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES],virt_height);
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_FRAME_LENGTH_LINES, virt_height);
}
/*
// schedule updating P_MT9X001_VERTBLANK sensor register and shadow
dev_dbg(g_dev_ptr,"{%d} thispars->pars[P_SENSOR_REGS+P_MT9X001_VERTBLANK] =%d(0x%x), vert_blank=%d(0x%x)\n",sensor_port,(int)thispars->pars[P_SENSOR_REGS+P_MT9X001_VERTBLANK],(int)thispars->pars[P_SENSOR_REGS+P_MT9X001_VERTBLANK],vert_blank,vert_blank);
if (vert_blank != thispars->pars[P_SENSOR_REGS+P_MT9X001_VERTBLANK]) {
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9X001_VERTBLANK, vert_blank);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MPAR(0x%x, 0x%x,0x%x, 0x%x, 0x%x)\n",sensor_port, sensor_port, frame16, (int) sensor->i2c_addr, (int) P_MT9X001_VERTBLANK, (int) vert_blank);
}
*/
if (nupdate) setFramePars(sensor_port,thispars, nupdate, pars_to_update); // save changes to gains and sensor register shadows
return 0;
}
......@@ -1268,61 +1272,65 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
int coarse_exposure;
int fine_exposure;
int frame_length_lines = thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES];
int line_length_pck = thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK];
int frame_length_lines;// = thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES];
//int line_length_pck = thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK];
// vt_pix_clk
// TODO: Do not forget this - add those div registers?!
//int sclk = thispars->pars[P_CLK_SENSOR]*MT9F002_PLL_MULTIPLIER_VALUE*0x2/0x6/0x6; // pixel clock in Hz before PLL, but PLL setting is ~240MHz?
int sclk = thispars->pars[P_CLK_SENSOR];// = (thispars->pars[P_CLK_SENSOR]/0x6/0x6)*0x2*MT9F002_PLL_MULTIPLIER_VALUE;
int vert_blank;
// NOTE: Is decimation taken care of here ??? FIXME: probably not (here and when deciding to use exposure, not number of lines)!!!
int row_time_in_pixels=thispars->pars[P_VIRT_WIDTH];
int pix_period;
// wrong frame
if (frame16 >= PARS_FRAMES) return -1;
//frame_length_lines = thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES];
frame_length_lines = thispars->pars[P_VIRT_HEIGHT];
//pr_info("EXPOS: %d\n",thispars->pars[P_EXPOS]);
exposure = thispars->pars[P_EXPOS];
pr_info("mt9f002_pgm_exposure: %d\n",thispars->pars[P_EXPOS]);
pr_info("fll = %d vs VIRT_HEIGHT = %d\n",frame_length_lines,thispars->pars[P_VIRT_HEIGHT]);
// if yes: use number of lines == use P_VEXPOS for calculations, update P_EXPOS as well
// else : use P_EXPOS
if ((video_exposure>0)&&(FRAMEPAR_MODIFIED(P_VEXPOS)||!(FRAMEPAR_MODIFIED(P_EXPOS)||FRAMEPAR_MODIFIED(P_VIRT_WIDTH)))) {
//pr_info("using P_VEXPOS\n");
pr_info("using P_VEXPOS\n");
coarse_exposure = video_exposure;
ull_exposure = ((long long)(video_exposure * line_length_pck)) * ((long long) 1000000);
ull_exposure = ((long long)(video_exposure * row_time_in_pixels)) * ((long long) 1000000);
__div64_32(&ull_exposure,sclk);
exposure = ull_exposure;
}else{
//pr_info("using P_EXPOS\n");
pr_info("using P_EXPOS\n");
// exposure is in microseconds
exposure = thispars->pars[P_EXPOS];
//line_length_pck = thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK];
// always start with min line_length_pck for the current window
line_length_pck = mt9f002_calc_line_length_pck(thispars);
//line_length_pck = mt9f002_calc_line_length_pck(thispars);
//pr_info("exposure = 0x%08x, line_length_pck = 0x%08x\n",exposure,line_length_pck);
// actual equation is : sclk*(exposure/10^6) - the result is in Hz*s
ull_video_exposure = (long long) (sclk / 1000000) * (long long) exposure;
// result is a reg value for coarse exposure
__div64_32(&ull_video_exposure,line_length_pck);
__div64_32(&ull_video_exposure,row_time_in_pixels);
coarse_exposure = ull_video_exposure;
//frame_length_lines = thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES];
//pr_info("coarse exposure = 0x%08x vs 0x%08x = frame_length_lines \n",coarse_exposure,frame_length_lines);
/*
if (coarse_exposure>(frame_length_lines-1)){
pr_info("Coarse exposure is greater than frame_length_lines\n");
// set coarse to max
......@@ -1332,11 +1340,12 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
// extend line length
line_length_pck = ull_video_exposure;
}
*/
// at the same time the fine exposure will be:
ull_video_exposure = (long long) (sclk / 1000000) * (long long) exposure;
fine_exposure = ull_video_exposure - (long long) coarse_exposure * (long long) line_length_pck;
fine_exposure = ull_video_exposure - (long long) coarse_exposure * (long long) row_time_in_pixels;
//pr_info("fine exposure = %d (0x%08x)\n",fine_exposure,fine_exposure);
......@@ -1347,7 +1356,7 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
// check against max shutter?
// is exposure longer then maximal period (specified for constant fps?
pix_period = line_length_pck*frame_length_lines;
pix_period = row_time_in_pixels*frame_length_lines;
// IMPORTANT: inserted here by myself for testing
//pix_period = compare_to_trig_period(sensor_port,pix_period,thispars);
......@@ -1358,18 +1367,29 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
if (pix_period > thispars->pars[P_PERIOD_MAX]) {
// already done this?!
coarse_exposure = frame_length_lines-1;
ull_video_exposure = (long long) (sclk / 1000000) * (long long) exposure;
__div64_32(&ull_video_exposure,coarse_exposure);
//ull_video_exposure = (long long) (sclk / 1000000) * (long long) exposure;
//__div64_32(&ull_video_exposure,coarse_exposure);
// extend line length
line_length_pck = ull_video_exposure;
//row_time_in_pixels = ull_video_exposure;
}
}else{
// update fps here
if (coarse_exposure >= frame_length_lines-1){
frame_length_lines = coarse_exposure + 1;
pix_period = row_time_in_pixels*frame_length_lines;
}
if (frame_length_lines != thispars->pars[P_VIRT_HEIGHT]) {
pr_info("pgm_exposure: Will set virt_height to %d\n", frame_length_lines);
SETFRAMEPARS_SET(P_VIRT_HEIGHT, frame_length_lines);
}
SETFRAMEPARS_SET(P_PERIOD, pix_period);
ull_fp1000s=((long long) 1000)* ((long long) sclk);
__div64_32(&ull_fp1000s,pix_period);
fp1000s= ull_fp1000s;
if (thispars->pars[P_FP1000S] != fp1000s) {
pr_info("pgm_exposure fp1000s = %d\n",fp1000s);
SETFRAMEPARS_SET(P_FP1000S, fp1000s);
}
}
......@@ -1509,15 +1529,19 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
// Now sensor registers
// schedule updating P_MT9X001_VERTBLANK sensor register and shadow
/*
// this sets the vertical blanking
if (frame_length_lines!=thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES]){
//pr_info("limit fps, old frame_length_lines=0x%08x, new frame_length_lines=0x%08x\n",thispars->pars[P_SENSOR_REGS+P_MT9F002_FRAME_LENGTH_LINES],virt_height);
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_FRAME_LENGTH_LINES, frame_length_lines);
}
*/
// coarse integration time
if (coarse_exposure != thispars->pars[P_SENSOR_REGS+P_MT9F002_COARSE_INTEGRATION_TIME]) {
SET_SENSOR_MBPAR_LUT(sensor_port,frame16,P_MT9F002_COARSE_INTEGRATION_TIME, coarse_exposure);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16,(int) sensor->i2c_addr,(int)P_MT9F002_COARSE_INTEGRATION_TIME,(int)coarse_exposure);
}
if (line_length_pck != thispars->pars[P_SENSOR_REGS+P_MT9F002_LINE_LENGTH_PCK]){
SET_SENSOR_MBPAR_LUT(sensor_port, frame16, P_MT9F002_LINE_LENGTH_PCK, line_length_pck);
dev_dbg(g_dev_ptr,"{%d} SET_SENSOR_MBPAR(0x%x, 0x%x, 0x%x, 0x%x)\n",
sensor_port, sensor_port, frame16,(int)P_MT9F002_COARSE_INTEGRATION_TIME,(int)coarse_exposure);
}
// fine integration time
......@@ -1532,7 +1556,10 @@ int mt9f002_pgm_exposure (int sensor_port, ///< sensor port number
if (nupdate) setFramePars(sensor_port,thispars, nupdate, pars_to_update); // save changes to gains and sensor register shadows
dev_dbg(g_dev_ptr,"{%d} coarse exposure = %d (0x%x), line_length_pck = %d (0x%08x), fine exposure = %d (0x%x)\n",
sensor_port, (int) coarse_exposure, (int) coarse_exposure, (int) line_length_pck, (int) line_length_pck, (int) fine_exposure, (int) fine_exposure);
sensor_port,
(int) coarse_exposure, (int) coarse_exposure,
(int) row_time_in_pixels,(int) row_time_in_pixels,
(int) fine_exposure, (int) fine_exposure);
return 0;
}
......
src/drivers/elphel/mt9f002.h
View file @ fcf1ed50
......@@ -22,8 +22,8 @@
// bit 9 should have set masking for broken frames
// cleared bit 3 allows writing to some RO registers
//#define MT9F002_RESET_REGISTER_VALUE 0x001c
#define MT9F002_RESET_REGISTER_VALUE 0x0014
#define MT9F002_RESET_REGISTER_VALUE 0x001c
//#define MT9F002_RESET_REGISTER_VALUE 0x0014
// number of lines to sacrifice before generating Frame Valid
#define MT9F002_VACT_DELAY 2
......
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