added frame start delay to memory channels, more python functions for debugging drivers

cocotb/x393_cocotb_02.sav

 [*]
 [*] GTKWave Analyzer v3.3.66 (w)1999-2015 BSI
-[*] Fri Aug 26 03:11:57 2016
+[*] Mon Aug 29 02:48:05 2016
 [*]
-[dumpfile] "/home/eyesis/git/x393-neon/simulation/x393_dut-20160825202535502.fst"
-[dumpfile_mtime] "Fri Aug 26 02:56:41 2016"
-[dumpfile_size] 171390450
+[dumpfile] "/home/eyesis/git/x393-neon/simulation/x393_dut-20160828192314061.fst"
+[dumpfile_mtime] "Mon Aug 29 01:55:16 2016"
+[dumpfile_size] 172137517
 [savefile] "/home/eyesis/git/x393-neon/cocotb/x393_cocotb_02.sav"
-[timestart] 177022600
+[timestart] 177303100
 [size] 1836 1171
-[pos] 0 23
-*-17.349640 177492388 123238096 124220833 174385000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+[pos] 1920 23
+*-15.588772 177422388 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] x393_dut.
 [treeopen] x393_dut.ddr3_i.ddr3_i.
 [treeopen] x393_dut.simul_axi_master_wdata_i.
@@ -34,22 +34,24 @@
 [treeopen] x393_dut.x393_i.frame_sequencer_block[0].
 [treeopen] x393_dut.x393_i.frame_sequencer_block[0].cmd_frame_sequencer_i.
 [treeopen] x393_dut.x393_i.gpio393_i.
+[treeopen] x393_dut.x393_i.mcntrl393_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.phy_cmd_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.phy_cmd_i.phy_top_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.memctrl16_i.mcontr_sequencer_i.phy_cmd_i.phy_top_i.mmcm_phase_cntr_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].
+[treeopen] x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].mcntrl_linear_wr_sensor_i.
 [treeopen] x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].mcntrl_tiled_rd_compressor_i.
 [treeopen] x393_dut.x393_i.sensors393_i.
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[0].
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.
-[treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_parallel12_i.
+[treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_membuf_i.
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[1].
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[2].
 [treeopen] x393_dut.x393_i.sensors393_i.sensor_channel_block[3].
-[sst_width] 311
-[signals_width] 350
+[sst_width] 358
+[signals_width] 293
 [sst_expanded] 1
 [sst_vpaned_height] 540
 @820
@@ -298,6 +300,26 @@ x393_dut.x393_i.sync_resets_i.rst_early_master
 -resets
 @800200
 -sensor_channel0
+@c00200
+-sens_sync
+@28
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.sof_in
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.sof_dly
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.hact
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.en
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.hact_r
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.hact_single
+@22
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.line_dly_pclk[15:0]
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.lines_left[15:0]
+@28
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.last_line
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.pre_sof_late
+x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_sync_i.sof_late
+@200
+-
+@1401200
+-sens_sync
 @22
 x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_membuf_i.px_data[15:0]
 @28
@@ -325,7 +347,21 @@ x393_dut.x393_i.sensors393_i.sensor_channel_block[1].sensor_channel_i.pxd[11:0]
 -group_end
 @8022
 x393_dut.x393_i.sensors393_i.sensor_channel_block[2].sensor_channel_i.pxd[11:0]
-x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0]
+@800022
+#{x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0]} (0)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (1)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (2)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (3)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (4)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (5)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (6)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (7)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (8)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (9)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (10)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0] (11)x393_dut.x393_i.sensors393_i.sensor_channel_block[3].sensor_channel_i.pxd[11:0]
+@1001200
+-group_end
+@800200
+-scanline0
+@28
+x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].mcntrl_linear_wr_sensor_i.frame_start
+x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].mcntrl_linear_wr_sensor_i.frame_start_late
+x393_dut.x393_i.mcntrl393_i.sens_comp_block[0].mcntrl_linear_wr_sensor_i.frame_start_delayed
+@22
+x393_dut.x393_i.sens_frame_run[3:0]
+x393_dut.x393_i.cmprs_frame_start_dst[3:0]
+@1000200
+-scanline0
 @800200
 -memory
 @28
@@ -360,8 +396,6 @@ x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_paral
 x393_dut.x393_i.sensors393_i.sensor_channel_block[0].sensor_channel_i.sens_parallel12_i.trigger_mode
 @1401200
 -debug_mmcm_clk
-@200
--
 @1000200
 -sensor_channel0
 @c00200
@@ -736,8 +770,10 @@ x393_dut.x393_i.compressor393_i.cmprs_channel_block[2].jp_channel_i.buf_pxd[7:0]
 x393_dut.x393_i.compressor393_i.cmprs_channel_block[3].jp_channel_i.buf_pxd[7:0]
 @1401200
 -compressors_all
-@800200
+@c00201
 -cmdseq_0
+@28
+x393_dut.x393_i.frame_sequencer_block[0].cmd_frame_sequencer_i.frame_sync
 @c00022
 x393_dut.x393_i.frame_sequencer_block[0].cmd_frame_sequencer_i.cmdseq_di[63:0]
 @28
@@ -928,7 +964,7 @@ x393_dut.x393_i.frame_sequencer_block[0].cmd_frame_sequencer_i.valid
 x393_dut.x393_i.frame_sequencer_block[0].cmd_frame_sequencer_i.ackn
 @1001200
 -group_end
-@1000200
+@1401201
 -cmdseq_0
 @800200
 -cmdseq_mux
@@ -980,13 +1016,13 @@ x393_dut.x393_i.cmd_seq_mux_i.pri_one[3:0]
 x393_dut.x393_i.cmd_seq_mux_i.chn_r[1:0]
 @1000200
 -cmdseq_mux
-@800200
+@c00200
 -gpio
 @28
 x393_dut.x393_i.gpio393_i.set_mode_w
 @22
 x393_dut.x393_i.gpio393_i.cmd_data[31:0]
-@c00023
+@c00022
 x393_dut.x393_i.gpio393_i.ds[9:0]
 @28
 (0)x393_dut.x393_i.gpio393_i.ds[9:0]
@@ -999,7 +1035,7 @@ x393_dut.x393_i.gpio393_i.ds[9:0]
 (7)x393_dut.x393_i.gpio393_i.ds[9:0]
 (8)x393_dut.x393_i.gpio393_i.ds[9:0]
 (9)x393_dut.x393_i.gpio393_i.ds[9:0]
-@1401201
+@1401200
 -group_end
 @22
 x393_dut.x393_i.gpio393_i.ds_en_m[9:0]
@@ -1076,7 +1112,7 @@ x393_dut.x393_i.gpio393_i.io_pins[9:0]
 (9)x393_dut.x393_i.gpio393_i.io_pins[9:0]
 @1001200
 -group_end
-@1000200
+@1401200
 -gpio
 @200
 -

fpga_version.vh

@@ -35,7 +35,8 @@
  * contains all the components and scripts required to completely simulate it
  * with at least one of the Free Software programs.
  */
-          parameter FPGA_VERSION =          32'h039300a5;      // parallel, fixing command sequencer and ARO 80.21%, -0.068
+          parameter FPGA_VERSION =          32'h039300a6;      // parallel, adding frame sync delays to mcntrl_linear 79.26, mclk and xclk violated
+//          parameter FPGA_VERSION =          32'h039300a5;      // parallel, fixing command sequencer and ARO 80.21%, -0.068
 //          parameter FPGA_VERSION =          32'h039300a4;      // parallel 79.66, -0.1
 //          parameter FPGA_VERSION =          32'h039300a3;      // hispi, after minor interface changes (separated control bits)80.52% -0.163
 //          parameter FPGA_VERSION =          32'h039300a2;      // hispi trying default placement 81.39% not met by -0.183

includes/x393_parameters.vh

@@ -268,8 +268,11 @@
                                                       // Start XY can be used when read command to start from the middle
                                                       // TODO: Add number of blocks to R/W? (blocks can be different) - total length?
                                                       // Read back current address (for debugging)?
+                                                      
     parameter MCNTRL_TILED_TILE_WHS=        'h9,    // low byte - 6-bit tile width in 8-bursts, second byte - tile height (0 - > 64),
                                                     // 3-rd byte - vertical step (to control tile vertical overlap)
+    parameter MCNTRL_SCANLINE_START_DELAY = 'ha,    // Set start delay (to accommodate for the command sequencer                                                       
+
     parameter MCNTRL_TILED_STATUS_REG_CHN2_ADDR= 'h5,
     parameter MCNTRL_TILED_STATUS_REG_CHN4_ADDR= 'h7,
     parameter MCNTRL_TILED_PENDING_CNTR_BITS=2,    // Number of bits to count pending trasfers, currently 2 is enough, but may increase
@@ -292,6 +295,8 @@
     parameter MCONTR_LINTILE_REPEAT =             10,  // read/write pages until disabled
     parameter MCONTR_LINTILE_DIS_NEED =           11,   // disable 'need' request
     parameter MCONTR_LINTILE_SKIP_LATE =          12,  // skip actual R/W operation when it is too late, advance pointers
+    parameter MCNTRL_SCANLINE_DLY_WIDTH =          7,  // delay start pulse by 1..64 mclk
+    parameter MCNTRL_SCANLINE_DLY_DEFAULT =       63,  // initial delay value for start pulse
 
 // Channel test module parameters
     parameter MCNTRL_TEST01_ADDR=                 'h0f0,
@@ -531,7 +536,7 @@
     // Other parameters
     parameter SENS_SYNC_FBITS =          16,    // number of bits in a frame counter for linescan mode
     parameter SENS_SYNC_LBITS =          16,    // number of bits in a line counter for sof_late output (limited by eof)
-    parameter SENS_SYNC_LATE_DFLT =      15,    // number of lines to delay late frame sync
+    parameter SENS_SYNC_LATE_DFLT =      4, // 15,    // number of lines to delay late frame sync
     parameter SENS_SYNC_MINBITS =        8,    // number of bits to enforce minimal frame period
     parameter SENS_SYNC_MINPER =         130,    // minimal frame period (in pclk/mclk?)
 

memctrl/mcntrl393.v

@@ -206,6 +206,8 @@ module  mcntrl393 #(
                                                         // Start XY can be used when read command to start from the middle
                                                         // TODO: Add number of blocks to R/W? (blocks can be different) - total length?
                                                         // Read back current address (for debugging)?
+    parameter MCNTRL_SCANLINE_START_DELAY =       'ha,    // Set start delay (to accommodate for the command sequencer                                                       
+                                                        
 //    parameter MCNTRL_SCANLINE_STATUS_REG_ADDR=   'h4,
     parameter MCNTRL_SCANLINE_STATUS_REG_CHN1_ADDR=   'h4,
     parameter MCNTRL_SCANLINE_STATUS_REG_CHN3_ADDR=   'h6,
@@ -235,6 +237,7 @@ module  mcntrl393 #(
                                                       // Read back current address (for debugging)?
     parameter MCNTRL_TILED_TILE_WHS=        'h9,   // low byte - 6-bit tile width in 8-bursts, second byte - tile height (0 - > 64),
                                                    // 3-rd byte - vertical step (to control tile vertical overlap)
+                                                   
     parameter MCNTRL_TILED_STATUS_REG_CHN2_ADDR= 'h5,
     parameter MCNTRL_TILED_STATUS_REG_CHN4_ADDR= 'h7,
     parameter MCNTRL_TILED_PENDING_CNTR_BITS=2,    // Number of bits to count pending trasfers, currently 2 is enough, but may increase
@@ -257,7 +260,9 @@ module  mcntrl393 #(
     parameter MCONTR_LINTILE_SINGLE =        9, // read/write a single page 
     parameter MCONTR_LINTILE_REPEAT =       10,  // read/write pages until disabled 
     parameter MCONTR_LINTILE_DIS_NEED =     11,   // disable 'need' request 
-    parameter MCONTR_LINTILE_SKIP_LATE =    12  // skip actual R/W operation when it is too late, advance pointers
+    parameter MCONTR_LINTILE_SKIP_LATE =    12,  // skip actual R/W operation when it is too late, advance pointers
+    parameter MCNTRL_SCANLINE_DLY_WIDTH =    7,  // delay start pulse by 1..64 mclk
+    parameter MCNTRL_SCANLINE_DLY_DEFAULT = 63  // initial delay value for start pulse
     
     ) (
     input                        rst_in,
@@ -1093,6 +1098,7 @@ module  mcntrl393 #(
                 .MCNTRL_SCANLINE_WINDOW_WH         (MCNTRL_SCANLINE_WINDOW_WH),
                 .MCNTRL_SCANLINE_WINDOW_X0Y0       (MCNTRL_SCANLINE_WINDOW_X0Y0),
                 .MCNTRL_SCANLINE_WINDOW_STARTXY    (MCNTRL_SCANLINE_WINDOW_STARTXY),
+                .MCNTRL_SCANLINE_START_DELAY       (MCNTRL_SCANLINE_START_DELAY),
                 .MCNTRL_SCANLINE_STATUS_REG_ADDR   (MCONTR_SENS_STATUS_BASE + MCONTR_SENS_STATUS_INC * i),
                 .MCNTRL_SCANLINE_PENDING_CNTR_BITS (MCNTRL_SCANLINE_PENDING_CNTR_BITS),
                 .MCNTRL_SCANLINE_FRAME_PAGE_RESET  (MCNTRL_SCANLINE_FRAME_PAGE_RESET),
@@ -1105,7 +1111,9 @@ module  mcntrl393 #(
                 .MCONTR_LINTILE_SINGLE             (MCONTR_LINTILE_SINGLE),
                 .MCONTR_LINTILE_REPEAT             (MCONTR_LINTILE_REPEAT),
                 .MCONTR_LINTILE_DIS_NEED           (MCONTR_LINTILE_DIS_NEED),
-                .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE) 
+                .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE),
+                .MCNTRL_SCANLINE_DLY_WIDTH         (MCNTRL_SCANLINE_DLY_WIDTH),
+                .MCNTRL_SCANLINE_DLY_DEFAULT       (MCNTRL_SCANLINE_DLY_DEFAULT)
             ) mcntrl_linear_wr_sensor_i (
                 .mrst             (mrst),                       // input
                 .mclk             (mclk),                       // input
@@ -1238,6 +1246,7 @@ module  mcntrl393 #(
         .MCNTRL_SCANLINE_WINDOW_WH         (MCNTRL_SCANLINE_WINDOW_WH),
         .MCNTRL_SCANLINE_WINDOW_X0Y0       (MCNTRL_SCANLINE_WINDOW_X0Y0),
         .MCNTRL_SCANLINE_WINDOW_STARTXY    (MCNTRL_SCANLINE_WINDOW_STARTXY),
+        .MCNTRL_SCANLINE_START_DELAY       (MCNTRL_SCANLINE_START_DELAY),
         .MCNTRL_SCANLINE_STATUS_REG_ADDR   (MCNTRL_SCANLINE_STATUS_REG_CHN1_ADDR),
         .MCNTRL_SCANLINE_PENDING_CNTR_BITS (MCNTRL_SCANLINE_PENDING_CNTR_BITS),
         .MCNTRL_SCANLINE_FRAME_PAGE_RESET  (MCNTRL_SCANLINE_FRAME_PAGE_RESET),
@@ -1250,7 +1259,10 @@ module  mcntrl393 #(
         .MCONTR_LINTILE_SINGLE             (MCONTR_LINTILE_SINGLE),
         .MCONTR_LINTILE_REPEAT             (MCONTR_LINTILE_REPEAT),
         .MCONTR_LINTILE_DIS_NEED           (MCONTR_LINTILE_DIS_NEED),
-        .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE) 
+        .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE),
+        .MCNTRL_SCANLINE_DLY_WIDTH         (MCNTRL_SCANLINE_DLY_WIDTH),
+        .MCNTRL_SCANLINE_DLY_DEFAULT       (MCNTRL_SCANLINE_DLY_DEFAULT)
+         
     ) mcntrl_linear_rw_chn1_i (
         .mrst             (mrst), // input
         .mclk             (mclk), // input
@@ -1308,6 +1320,7 @@ module  mcntrl393 #(
         .MCNTRL_SCANLINE_WINDOW_WH         (MCNTRL_SCANLINE_WINDOW_WH),
         .MCNTRL_SCANLINE_WINDOW_X0Y0       (MCNTRL_SCANLINE_WINDOW_X0Y0),
         .MCNTRL_SCANLINE_WINDOW_STARTXY    (MCNTRL_SCANLINE_WINDOW_STARTXY),
+        .MCNTRL_SCANLINE_START_DELAY       (MCNTRL_SCANLINE_START_DELAY),
         .MCNTRL_SCANLINE_STATUS_REG_ADDR   (MCNTRL_SCANLINE_STATUS_REG_CHN3_ADDR),
         .MCNTRL_SCANLINE_PENDING_CNTR_BITS (MCNTRL_SCANLINE_PENDING_CNTR_BITS),
         .MCNTRL_SCANLINE_FRAME_PAGE_RESET  (MCNTRL_SCANLINE_FRAME_PAGE_RESET),
@@ -1320,7 +1333,9 @@ module  mcntrl393 #(
         .MCONTR_LINTILE_SINGLE             (MCONTR_LINTILE_SINGLE),
         .MCONTR_LINTILE_REPEAT             (MCONTR_LINTILE_REPEAT),
         .MCONTR_LINTILE_DIS_NEED           (MCONTR_LINTILE_DIS_NEED),
-        .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE) 
+        .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE),
+        .MCNTRL_SCANLINE_DLY_WIDTH         (MCNTRL_SCANLINE_DLY_WIDTH),
+        .MCNTRL_SCANLINE_DLY_DEFAULT       (MCNTRL_SCANLINE_DLY_DEFAULT)
     ) mcntrl_linear_rw_chn3_i (
         .mrst             (mrst), // input
         .mclk             (mclk), // input

memctrl/mcntrl_linear_rw.v

@@ -60,6 +60,7 @@ module  mcntrl_linear_rw #(
                                                       // Start XY can be used when read command to start from the middle
                                                       // TODO: Add number of blocks to R/W? (blocks can be different) - total length?
                                                       // Read back current address (for debugging)?
+    parameter MCNTRL_SCANLINE_START_DELAY =    'ha,      // Set start delay (to accommodate for the command sequencer                                                       
     parameter MCNTRL_SCANLINE_STATUS_REG_ADDR= 'h4,
     parameter MCNTRL_SCANLINE_PENDING_CNTR_BITS=2,     // Number of bits to count pending trasfers, currently 2 is enough, but may increase
                                                       // if memory controller will allow programming several sequences in advance to
@@ -76,7 +77,13 @@ module  mcntrl_linear_rw #(
     parameter MCONTR_LINTILE_SINGLE =           9, // read/write a single page 
     parameter MCONTR_LINTILE_REPEAT =          10, // read/write pages until disabled 
     parameter MCONTR_LINTILE_DIS_NEED =        11, // disable 'need' request 
-    parameter MCONTR_LINTILE_SKIP_LATE =       12  // skip actual R/W operation when it is too late, advance pointers
+    parameter MCONTR_LINTILE_SKIP_LATE =       12, // skip actual R/W operation when it is too late, advance pointers
+    
+// TODO NC393: This delay may be too long for serail sensors. Make them always start to fill the
+// first buffer page, waiting for the request from mcntrl_linear during that first page. And if it will arrive - 
+// just continue.    
+    parameter MCNTRL_SCANLINE_DLY_WIDTH =       7,  // delay start pulse by 1..64 mclk
+    parameter MCNTRL_SCANLINE_DLY_DEFAULT =    63  // initial delay value for start pulse
 )(
     input                          mrst,
     input                          mclk,
@@ -89,7 +96,7 @@ module  mcntrl_linear_rw #(
     input                          status_start,   // acknowledge of address (first byte) from downsteram   
 
     input                          frame_start,   // resets page, x,y, and initiates transfer requests (in write mode will wait for next_page)
-    output                         frame_run,     // @mclk - enable pixels from sesnor to memory buffer
+    output                         frame_run,     // @mclk - enable pixels from sensor to memory buffer
     input                          next_page,     // page was read/written from/to 4*1kB on-chip buffer
 //    output                         page_ready,    // == xfer_done, connect externally | Single-cycle pulse indicating that a page was read/written from/to DDR3 memory
     output                         frame_done,    // single-cycle pulse when the full frame (window) was transferred to/from DDR3 memory
@@ -168,7 +175,7 @@ module  mcntrl_linear_rw #(
     reg     [PAR_MOD_LATENCY-1:0] recalc_r; // 1-hot CE for re-calculating registers
 // SuppressWarnings VEditor unused 
     wire                          calc_valid;   // calculated registers have valid values   
-    wire                          chn_en;   // enable requests by channel (continue ones in progress), enable frame_start inputs
+    wire                          chn_en;   // enable requests by channel (continue ones in progress), enable frame_start_late inputs
     wire                          chn_rst; // resets command, including fifo;
     reg                           chn_rst_d; // delayed by 1 cycle do detect turning off
 //    reg                           xfer_reset_page_r;
@@ -245,9 +252,14 @@ module  mcntrl_linear_rw #(
     reg     [FRAME_HEIGHT_BITS:0] window_height;  // (programmed) 0- max
     reg    [FRAME_WIDTH_BITS-1:0] window_x0;      // (programmed) window left
     reg   [FRAME_HEIGHT_BITS-1:0] window_y0;      // (programmed) window top
-    reg    [FRAME_WIDTH_BITS-1:0] start_x;        // (programmed) normally 0, copied to curr_x on frame_start  
-    reg   [FRAME_HEIGHT_BITS-1:0] start_y;        // (programmed) normally 0, copied to curr_y on frame_start 
+    reg    [FRAME_WIDTH_BITS-1:0] start_x;        // (programmed) normally 0, copied to curr_x on frame_start_late  
+    reg   [FRAME_HEIGHT_BITS-1:0] start_y;        // (programmed) normally 0, copied to curr_y on frame_start_late 
     reg                           xfer_done_d;    // xfer_done delayed by 1 cycle (also includes xfer_skipped)
+    reg [MCNTRL_SCANLINE_DLY_WIDTH-1:0] start_delay; // how much to delay frame start
+    wire                          frame_start_late;
+    wire                          set_start_delay_w; 
+    
+    
     assign frame_number =       frame_number_current;
     
     assign set_mode_w =         cmd_we && (cmd_a== MCNTRL_SCANLINE_MODE);
@@ -259,6 +271,7 @@ module  mcntrl_linear_rw #(
     assign set_window_wh_w =    cmd_we && (cmd_a== MCNTRL_SCANLINE_WINDOW_WH);
     assign set_window_x0y0_w =  cmd_we && (cmd_a== MCNTRL_SCANLINE_WINDOW_X0Y0);
     assign set_window_start_w = cmd_we && (cmd_a== MCNTRL_SCANLINE_WINDOW_STARTXY);
+    assign set_start_delay_w =  cmd_we && (cmd_a== MCNTRL_SCANLINE_START_DELAY);
     
     assign single_frame_w =  cmd_we && (cmd_a== MCNTRL_SCANLINE_MODE) && cmd_data[MCONTR_LINTILE_SINGLE];
     assign rst_frame_num_w = cmd_we && (cmd_a== MCNTRL_SCANLINE_MODE) && cmd_data[MCONTR_LINTILE_RST_FRAME];
@@ -297,11 +310,11 @@ module  mcntrl_linear_rw #(
         else      is_last_frame <= frame_number_cntr == last_frame_number;
         
 //        if (mrst) frame_start_r <= 0;
-//        else      frame_start_r <= {frame_start_r[3:0], frame_start & frame_en};
+//        else      frame_start_r <= {frame_start_r[3:0], frame_start_late & frame_en};
 
         if      (mrst)                            frame_en <= 0;
         else if (single_frame_r || repeat_frames) frame_en <= 1;
-        else if (frame_start)                     frame_en <= 0;
+        else if (frame_start_late)                     frame_en <= 0;
         
         if      (mrst)               frame_number_cntr <= 0;
         else if (rst_frame_num_r[0]) frame_number_cntr <= 0;
@@ -339,8 +352,12 @@ module  mcntrl_linear_rw #(
                start_y <=  0;
         end else if (set_window_start_w)  begin
                start_x <= cmd_data[FRAME_WIDTH_BITS-1:0];
-               start_y  <=cmd_data[FRAME_HEIGHT_BITS+15:16];
+               start_y <= cmd_data[FRAME_HEIGHT_BITS+15:16];
         end
+        
+        if      (mrst)              start_delay <= MCNTRL_SCANLINE_DLY_DEFAULT;
+        else if (set_start_delay_w) start_delay <= cmd_data[MCNTRL_SCANLINE_DLY_WIDTH-1:0];
+        
     end
     assign mul_rslt_w=  frame_y8_r * frame_full_width_r; // 5 MSBs will be discarded
     assign xfer_num128= xfer_num128_r[NUM_XFER_BITS-1:0];
@@ -393,12 +410,12 @@ module  mcntrl_linear_rw #(
     reg          start_skip_r;
     reg          skip_run = 0;    // run "skip" - advance addresses, but no actual read/write
     reg          xfer_reject_r;
-    reg          frame_start_pending; // frame_start came before previous one was finished
+    reg          frame_start_pending; // frame_start_late came before previous one was finished
     reg    [1:0] frame_start_pending_long;
     wire         xfer_done_skipped = xfer_skipped || xfer_done;
     
     wire         frame_start_delayed = frame_start_pending_long[1] && !frame_start_pending_long[0];
-    wire         frame_start_mod = (frame_start && !busy_r) || frame_start_delayed; // when frame_start_delayed it will completely miss a frame_start
+    wire         frame_start_mod = (frame_start_late && !busy_r) || frame_start_delayed; // when frame_start_delayed it will completely miss a frame_start_late
     assign xfer_reject = xfer_reject_r;
     assign  start_skip_w = skip_too_late && want_r && !xfer_grant && !skip_run &&
                           (((|page_cntr) && frame_start_pending) || ((page_cntr >= 4) && (cmd_wrmem || page_cntr[0]))); //&& busy_r && skip_run;
@@ -427,14 +444,14 @@ module  mcntrl_linear_rw #(
             
 //        if  (mrst || frame_start_delayed) frame_start_pending <= 0;
         if  (mrst) frame_start_pending <= 0;
-//        else       frame_start_pending <= {frame_start_pending[0], busy_r && (frame_start_pending[0] | frame_start)};
-        else       frame_start_pending <= busy_r && (frame_start_pending | frame_start);
+//        else       frame_start_pending <= {frame_start_pending[0], busy_r && (frame_start_pending[0] | frame_start_late)};
+        else       frame_start_pending <= busy_r && (frame_start_pending | frame_start_late);
 
         if  (mrst) frame_start_pending_long <= 0;
-        else       frame_start_pending_long <= {frame_start_pending_long[0], (busy_r || skip_run) && (frame_start_pending_long[0] | frame_start)};
+        else       frame_start_pending_long <= {frame_start_pending_long[0], (busy_r || skip_run) && (frame_start_pending_long[0] | frame_start_late)};
 
         if (mrst) frame_start_r <= 0;
-//        else      frame_start_r <= {frame_start_r[3:0], frame_start & frame_en};
+//        else      frame_start_r <= {frame_start_r[3:0], frame_start_late & frame_en};
         else      frame_start_r <= {frame_start_r[3:0], frame_start_mod & frame_en};        
 
         if (mrst || disable_need)                         need_r <= 0;
@@ -587,7 +604,7 @@ wire    start_not_partial= xfer_start_r[0] && !xfer_limited_by_mem_page_r;
         
         if (recalc_r[0]) line_unfinished_relw_r <= curr_y + (cmd_wrmem ? 0: 1);
         
-//        if (mrst || (frame_start || !chn_en))  line_unfinished_r <= {FRAME_HEIGHT_BITS{~cmd_wrmem}}; // lowest/highest value until valid
+//        if (mrst || (frame_start_late || !chn_en))  line_unfinished_r <= {FRAME_HEIGHT_BITS{~cmd_wrmem}}; // lowest/highest value until valid
         if (mrst || (frame_start_mod || !chn_en))  line_unfinished_r <= {FRAME_HEIGHT_BITS{~cmd_wrmem}}; // lowest/highest value until valid
         else if (recalc_r[2])                      line_unfinished_r <= line_unfinished_relw_r + window_y0;
 
@@ -670,5 +687,17 @@ wire    start_not_partial= xfer_start_r[0] && !xfer_limited_by_mem_page_r;
         .rq               (status_rq),     // output
         .start            (status_start)   // input
     );
+    
+    dly_var #(
+        .WIDTH     (1),
+        .DLY_WIDTH (MCNTRL_SCANLINE_DLY_WIDTH)
+    ) frame_start_late_i (
+        .clk   (mclk), // input
+        .rst   (mrst), // input
+        .dly   (start_delay),     // input[0:0] 
+        .din   (frame_start),     // input[0:0] 
+        .dout  (frame_start_late) // output[0:0] 
+    );
+    
 endmodule
 

py393/x393_cmprs.py

@@ -346,6 +346,75 @@ class X393Cmprs(object):
                     address=(vrlg.CMPRS_HIFREQ_REG_BASE + num_sensor * vrlg.CMPRS_STATUS_REG_INC))       
 
 
+    def control_compressor_memory(self,
+                              num_sensor,
+                              command,
+                              reset_frame = False,
+                              verbose = 1):
+        """
+        Control memory access (write) of a sensor channel
+        @param num_sensor - memory sensor channel (or all)
+        @param command -    one of (case insensitive):
+               reset       - reset channel, channel pointers immediately,
+               stop        - stop at the end of the frame (if repetitive),
+               single      - acquire single frame ,
+               repetitive  - repetitive mode
+        @param reset_frame - reset frame number       
+        @param vebose -      verbose level       
+        """
+        try:
+            if (num_sensor == all) or (num_sensor[0].upper() == "A"): #all is a built-in function
+                for num_sensor in range(4):
+                    print ('num_sensor = ',num_sensor)
+                    self.control_compressor_memory(num_sensor = num_sensor,
+                                                   command =    command,
+                                                   reset_frame = reset_frame,
+                                                   verbose =    verbose)
+                return
+        except:
+            pass
+        
+        
+        rpt =    False
+        sngl =   False
+        en =     False
+        rst =    False
+        byte32 = True
+        if command[:3].upper() ==   'RES':
+            rst = True
+        elif command[:2].upper() == 'ST':
+            pass
+        elif command[:2].upper() == 'SI':
+            sngl = True
+            en =   True
+        elif command[:3].upper() == 'REP':
+            rpt =  True
+            en =   True
+        else:
+            print ("Unrecognized command %s. Valid commands are RESET, STOP, SINGLE, REPETITIVE"%(command))
+            return    
+                                
+        base_addr = vrlg.MCONTR_CMPRS_BASE + vrlg.MCONTR_CMPRS_INC * num_sensor;
+        mode=   x393_mcntrl.func_encode_mode_scan_tiled(
+                                   skip_too_late = True,                     
+                                   disable_need = False,
+                                   repetitive=    rpt,
+                                   single =       sngl,
+                                   reset_frame =  reset_frame,
+                                   byte32 =       byte32,
+                                   keep_open =    False,
+                                   extra_pages =  0,
+                                   write_mem =    False,
+                                   enable =       en,
+                                   chn_reset =    rst)
+        
+        self.x393_axi_tasks.write_control_register(base_addr + vrlg.MCNTRL_TILED_MODE,  mode) 
+        if verbose > 0 :
+            print ("write_control_register(0x%08x, 0x%08x)"%(base_addr + vrlg.MCNTRL_TILED_MODE,  mode))
+
+
+
+        
     def setup_compressor_memory (self,
                                  num_sensor,
                                  frame_sa,

py393/x393_cmprs_afi.py

@@ -396,6 +396,7 @@ inline struct interframe_params_t* updateIRQ_interframe(void) {
                        afi_cmprs2_len,
                        afi_cmprs3_sa,
                        afi_cmprs3_len,
+                       reset = False,
                        verbose = 1):    
 
         """
@@ -416,6 +417,7 @@ inline struct interframe_params_t* updateIRQ_interframe(void) {
         @param afi_cmprs2_len - input channel 0 buffer length in 32-byte chunks
         @param afi_cmprs3_sa -  input channel 0 start address in 32-byte chunks
         @param afi_cmprs3_len - input channel 0 buffer length in 32-byte chunks
+        @param reset - reset all channles
         @param verbose - verbose level
         """
         if verbose >0 :
@@ -438,7 +440,7 @@ inline struct interframe_params_t* updateIRQ_interframe(void) {
                                              chn_afi = i,
                                              mode =status_mode,
                                              seq_num = 0)
-                
+        if reset:        
         # reset all channels    
             self.afi_mux_reset( port_afi = port_afi,
                                 rst_chn = 0xf) # reset all channels

py393/x393_jpeg.py

@@ -1050,15 +1050,27 @@ setup_all_sensors True None 0x4
 ################## Parallel ##################
 cd /usr/local/verilog/; test_mcntrl.py @tpargs -x
 
-
+reset_channels 15
 
 cd /usr/local/verilog/; test_mcntrl.py @hargs
 bitstream_set_path /usr/local/verilog/x393_parallel.bit
 #fpga_shutdown
 #setupSensorsPower "PAR12"
 setupSensorsPower  "PAR12"  all  0  0.0
+
 measure_all "*DI"
-setup_all_sensors True None 0xf
+
+setSensorClock 24.0 "2V5_LVDS"
+specify_phys_memory
+specify_window
+set_rtc # maybe not needed as it can be set differently
+camsync_setup 0xf # sensor mask - use local timestamps)
+
+                   
+
+#setup_all_sensors True None 0xf
+#setup_all_sensors <setup_membridge=False>  <exit_step=None>  <sensor_mask=1>  <gamma_load=False>  <window_width=None>  <window_height=None>  <window_left=None>  <window_top=None>  <compressor_left_margin=0>  <last_buf_frame=1>  <colorsat_blue=288>  <colorsat_red=364>  <clk_sel=1>  <histogram_left=None>  <histogram_top=None>  <histogram_width_m1=None>  <histogram_height_m1=None>  <circbuf_chn_size=67108864>  <reset_afi=False>  <verbose=1>
+setup_all_sensors True  None 0xf False None None None None 0 1 288 364 1 None None None None 67108864 True 2
 set_sensor_io_ctl  all None None 1 # Set ARO low - check if it is still needed?
 #set quadrants
 set_sensor_io_ctl 0 None None None None None 0 0xe
@@ -1073,8 +1085,8 @@ compressor_control  all  None  None  None None None  3
 #longer line (default 0xa1f)
 write_sensor_i2c  all 1 0 0x90040a23
 #increase scanline write (memory controller) width in 16-bursts (was 0xa2)
-axi_write_single_w 0x696 0x079800a3
 axi_write_single_w 0x686 0x079800a3
+axi_write_single_w 0x696 0x079800a3
 axi_write_single_w 0x6a6 0x079800a3
 axi_write_single_w 0x6b6 0x079800a3
 
@@ -1099,10 +1111,11 @@ write_sensor_i2c  all 1 0 0x90090797
 
 
 #run compressors once (#1 - stop gracefully, 0 - reset, 2 - single, 3 - repetitive with sync to sensors)
+set_qtables all 0 80
 compressor_control all 3
 
-#jpeg_write  "img.jpeg" 0
-jpeg_write  "img.jpeg" All
+#jpeg_write  "img.jpeg" 0 80
+jpeg_write  "img.jpeg" All 80
 
 #changing quality (example 85%):
 set_qtables all 0 85
@@ -1111,6 +1124,114 @@ compressor_control all 2
 jpeg_write  "img.jpeg" 0 85
 
 
+#To reset all (before reprogramming): This one works, reset_channels - does not
+
+compressor_control all 1
+compressor_control all 0
+set_sensor_io_ctl  all 1 # MRST on all sensors
+control_sensor_memory  all stop
+control_compressor_memory  all stop
+sleep_ms 200
+control_sensor_memory  all reset True
+control_compressor_memory  all reset True
+
+#To reset all (before reprogramming):
+
+#enable all interrupts
+write_control_register 0x605 3
+write_control_register 0x615 3
+write_control_register 0x625 3
+write_control_register 0x635 3
+write_control_register 0x79f 3
+write_control_register 0x7bf 3
+write_control_register 0x7df 3
+write_control_register 0x7ff 3
+
+#disable all interrupts
+write_control_register 0x605 2
+write_control_register 0x615 2
+write_control_register 0x625 2
+write_control_register 0x635 2
+write_control_register 0x79f 2
+write_control_register 0x7bf 2
+write_control_register 0x7df 2
+write_control_register 0x7ff 2
+
+#Restart 0
+compressor_control 0 1
+compressor_control 0 0
+control_sensor_memory  0 stop
+control_compressor_memory  0 stop
+sleep_ms 200
+control_sensor_memory  0 repetitive
+control_compressor_memory  0 repetitive
+
+compressor_control 0 3
+compressor_control  0  None  None  None None None  0
+
+specify_phys_memory
+specify_window
+
+#Reset 0 but sensor all
+compressor_control 0 1
+control_sensor_memory  0 stop
+control_compressor_memory  0 stop
+sleep_ms 200
+control_sensor_memory  0 reset True
+control_compressor_memory  0 reset True
+
+########### Trying to make i2c work in driver #########
+Other required actions:
+/www/pages/exif.php init=/etc/Exif_template.xml
+imgsrv -p 2323
+#restart PHP - it can get errors while opening/mmaping at startupo, then some functions fail
+killall lighttpd; /usr/sbin/lighttpd -f /etc/lighttpd.conf
+
+setSensorClock 24.0 "2V5_LVDS"
+
+set_rtc # maybe not needed as it can be set differently
+camsync_setup 0xf # sensor mask - use local timestamps)
+
+                   
+#set_sensor_io_ctl  <num_sensor>  <mrst=None>  <arst=None>  <aro=None>  <mmcm_rst=None>  <clk_sel=None>  <set_delays=False>  <quadrants=None>
+set_sensor_io_ctl  0             True            True       False           True              1               False
+sleep_ms 10
+set_sensor_io_ctl  0             False           False      False           False             1               False
+set_sensor_io_ctl  0             None            None       True            False             1               False
+
+
+#or
+setup_sensor_channel None 0
+setup_compressor 0 0
+
+read_control_register 0x403 # sequencer 0 status mode
+write_control_register 0x403 0xc0
+read_status 0x20 # 0x5f030000
+#echo "1" >i2c_frame0
+read_status 0x20 # 0x7f000000
+
+compressor_control 0 1
+sleep_ms 100
+control_compressor_memory  0 stop
+control_sensor_memory  0 stop
+sleep_ms 100
+control_sensor_memory  0 repetitive
+sleep_ms 100
+control_compressor_memory  0 repetitive
+sleep_ms 100
+compressor_control 0 3
+
+"blocked" image - reset+restart worked
+#after python (change there too):
+axi_write_single_w 0x686 0x079800a3    # this
+write_control_register 0x686 0x79400a3 # or this?
+write_control_register 0x602 0x40f00a1
+write_control_register 0x6c7 0x10000
+compressor_control  all  None  None  None None None  0
+
+tar -C / -xzpf /usr.tar.gz;
+/usr/sbin/lighttpd -f /etc/lighttpd.conf
+
 ################## Simulate Serial ####################
 ./py393/test_mcntrl.py @py393/cocoargs  --simulated=localhost:7777
 measure_all "*DI"

py393/x393_sens_cmprs.py

@@ -484,11 +484,25 @@ class X393SensCmprs(object):
             num_pages_in_line += 1
 #        frame_full_width -  13-bit Padded line length (8-row increment), in 8-bursts (16 bytes)
 #        frame_start_address_inc - 22-bit frame start address increment  ((3 CA LSBs==0. BA==0)
+##        frame_full_width =  num_pages_in_line * align_to_bursts
+        """
+        Changing frame full width and size to fixed values (normally read from sysfs)
                 frame_full_width =  num_pages_in_line * align_to_bursts
+        
+        """
+        
+        frame_full_width =  0x200 # Made it fixed width
+        
+        
+        
         num8rows=   (window_top + window_height) // 8
         if (window_top + window_height) % 8:
             num8rows += 1
+        """    
         frame_start_address_inc = num8rows * frame_full_width
+        """
+        frame_start_address_inc = 0x80000 #Fixed size
+        
         """ TODO: Calculate tiles and move to initial print """
         num_macro_cols_m1 = (window_width >> 4) - 1
         num_macro_rows_m1 = (window_height >> 4) - 1
@@ -1104,11 +1118,20 @@ class X393SensCmprs(object):
         num_pages_in_line = num_burst_in_line // align_to_bursts;
         if num_burst_in_line % align_to_bursts:
             num_pages_in_line += 1
+        """
+        Changing frame full width and size to fixed values (normally read from sysfs)
                 frame_full_width =  num_pages_in_line * align_to_bursts
+        
+        """
+        
+        frame_full_width =  0x200 # Made it fixed width
         num8rows=   (window_top + window_height) // 8
         if (window_top + window_height) % 8:
             num8rows += 1
+        """    
         frame_start_address_inc = num8rows * frame_full_width
+        """
+        frame_start_address_inc = 0x80000 #Fixed size
 
         num_macro_cols_m1 = (window_width >> 4) - 1
         num_macro_rows_m1 = (window_height >> 4) - 1
@@ -1181,6 +1204,54 @@ class X393SensCmprs(object):
             tile_height =      tile_height,
             extra_pages =      extra_pages,
             disable_need =     1)
+    def reset_channels(self,
+                       sensor_mask = 0x1,
+                       reset_mask =  0xf):
+        """
+        Reset channels before re-programming
+        @param sensor_mask -       bitmap of the selected channels (1 - only channel 0, 0xf - all channels)
+        @param reset_mask -        +1 - reset sensor(s) (MRST and internal),
+                                   +2 - reset compressor(s)
+                                   +4 - reset sensor-to-memory modules
+                                   +8 - reset memory-to-compressor modules
+        """
+        MASK_SENSOR =        1
+        MASK_COMPRESSOR =    2
+        MASK_MEMSENSOR =     4
+        MASK_MEMCOMPRESSOR = 8
+        
+        for chn in range (4):
+            if sensor_mask & (1 << chn):
+                if reset_mask & MASK_COMPRESSOR:
+                    self.x393Cmprs.compressor_control        (chn =      chn,
+                                                              run_mode = 1) # stop after frame done
+                    
+                if reset_mask & MASK_MEMSENSOR:
+                    self.x393Sensor.control_sensor_memory    (num_sensor = chn,
+                                                              command = 'stop')
+                      
+                if reset_mask & MASK_MEMCOMPRESSOR:
+                    self.x393Cmprs.control_compressor_memory (num_sensor = chn,
+                                                              command = 'stop')
+                    
+        self.sleep_ms(200)            
+        for chn in range (4):
+            if sensor_mask & (1 << chn):
+                if reset_mask & MASK_COMPRESSOR:
+                    self.x393Cmprs.compressor_control        (chn =      chn,
+                                                              run_mode = 0)  # reset, 'kill -9'
+                if reset_mask & MASK_MEMSENSOR:
+                    self.x393Sensor.control_sensor_memory    (num_sensor = chn,
+                                                              command = 'reset')
+                      
+                if reset_mask & MASK_MEMCOMPRESSOR:
+                    self.x393Cmprs.control_compressor_memory (num_sensor = chn,
+                                                              command = 'reset')
+
+                if reset_mask & MASK_SENSOR:
+                    self.x393Sensor.set_sensor_io_ctl        (num_sensor =  chn,
+                                                              mrst =        True)
+
         
     def setup_all_sensors (self,
                               setup_membridge =           False,
@@ -1201,6 +1272,7 @@ class X393SensCmprs(object):
                               histogram_width_m1 =        None, # 2559, #0,
                               histogram_height_m1 =       None, # 799, #0,
                               circbuf_chn_size=           0x4000000, # 64 Mib - all 4 channels?
+                              reset_afi =                 False, # reset AFI multiplexer 
                               verbose =                   1):
         """
         Setup one sensor+compressor channel (for one sub-channel only)
@@ -1236,6 +1308,8 @@ class X393SensCmprs(object):
         @param histogram_top -       histogram window top margin
         @param histogram_width_m1 -  one less than window width. If 0 - use frame right margin (end of HACT)
         @param histogram_height_m1 - one less than window height. If 0 - use frame bottom margin (end of VACT)
+        @param reset_afi            Reset AFI multiplexer when initializing 
+
         @param circbuf_chn_size - circular buffer size for each channel, in bytes
         @param verbose - verbose level
         @return True if all done, False if exited prematurely by  exit_step
@@ -1404,7 +1478,8 @@ class X393SensCmprs(object):
                                afi_cmprs2_sa =  afi_cmprs2_sa,
                                afi_cmprs2_len = afi_cmprs2_len,
                                afi_cmprs3_sa =  afi_cmprs3_sa,
-                               afi_cmprs3_len = afi_cmprs3_len)
+                               afi_cmprs3_len = afi_cmprs3_len,
+                               reset =          reset_afi)
 
         for num_sensor in range(4):
             if sensor_mask & (1 << num_sensor):
@@ -1683,11 +1758,21 @@ class X393SensCmprs(object):
         num_pages_in_line = num_burst_in_line // align_to_bursts;
         if num_burst_in_line % align_to_bursts:
             num_pages_in_line += 1
+        """
+        Changing frame full width and size to fixed values (normally read from sysfs)
                 frame_full_width =  num_pages_in_line * align_to_bursts
+        
+        """
+        
+        frame_full_width =  0x200 # Made it fixed width
         num8rows=   (window_top + window_height) // 8
         if (window_top + window_height) % 8:
             num8rows += 1
+        """    
         frame_start_address_inc = num8rows * frame_full_width
+        """
+        frame_start_address_inc = 0x80000 #Fixed size
+
         frame_start_address = (last_buf_frame + 1) * frame_start_address_inc * num_sensor
         
         if verbose >0 :
@@ -1714,7 +1799,13 @@ class X393SensCmprs(object):
         num_pages_in_line = num_burst_in_line // align_to_bursts;
         if num_burst_in_line % align_to_bursts:
             num_pages_in_line += 1
+        """
+        Changing frame full width and size to fixed values (normally read from sysfs)
                 frame_full_width =  num_pages_in_line * align_to_bursts
+        
+        """
+        
+        frame_full_width =  0x200 # Made it fixed width
         num8rows=   (window_top + window_height) // 8
         if (window_top + window_height) % 8:
             num8rows += 1

sensor/sens_sync.v

@@ -46,7 +46,7 @@ module  sens_sync#(
     parameter SENS_SYNC_LATE  =     'h3,    // number of lines to delay late frame sync
     parameter SENS_SYNC_FBITS =     16,    // number of bits in a frame counter for linescan mode
     parameter SENS_SYNC_LBITS =     16,    // number of bits in a line counter for sof_late output (limited by eof) 
-    parameter SENS_SYNC_LATE_DFLT = 15,    // number of lines to delay late frame sync
+    parameter SENS_SYNC_LATE_DFLT =  4, // 15,    // number of lines to delay late frame sync
     parameter SENS_SYNC_MINBITS =    8,    // number of bits to enforce minimal frame period 
     parameter SENS_SYNC_MINPER =   130    // minimal frame period (in pclk/mclk?) 
     
@@ -122,7 +122,8 @@ module  sens_sync#(
         if (!en || (sof_in && zero_frames_left)) sub_frames_left <= sub_frames_pclk ;
         else if (sof_in)                         sub_frames_left <=  sub_frames_left - 1;
         
-        if (!en) hact_r <= hact; 
+//        if (!en) hact_r <= hact; 
+        hact_r <= hact || !en; 
         
         if (!en)               sof_dly <= 0;
         else if (pre_sof_out)  sof_dly <= 1;

sensor/sensor_channel.v

@@ -55,7 +55,7 @@ module  sensor_channel#(
     parameter SENS_SYNC_LATE  =           'h3,    // number of lines to delay late frame sync
     parameter SENS_SYNC_FBITS =           16,    // number of bits in a frame counter for linescan mode
     parameter SENS_SYNC_LBITS =           16,    // number of bits in a line counter for sof_late output (limited by eof) 
-    parameter SENS_SYNC_LATE_DFLT =       15,    // number of lines to delay late frame sync
+    parameter SENS_SYNC_LATE_DFLT =       4, // 15,    // number of lines to delay late frame sync
     parameter SENS_SYNC_MINBITS =         8,    // number of bits to enforce minimal frame period 
     parameter SENS_SYNC_MINPER =          130,    // minimal frame period (in pclk/mclk?) 
     
@@ -950,6 +950,10 @@ module  sensor_channel#(
             .status_start         (sens_phys_status_start) // input
         );
 
+// TODO NC393: This delay may be too long for serail sensors. Make them always start to fill the
+// first buffer page, waiting for the request from mcntrl_linear during that first page. And if it will arrive - 
+// just continue.    
+    
         sensor_fifo #(
             .SENSOR_DATA_WIDTH  (SENSOR_DATA_WIDTH),
             .SENSOR_FIFO_2DEPTH (SENSOR_FIFO_2DEPTH),

sensor/sensors393.v

@@ -230,7 +230,7 @@ module  sensors393 #(
     // Other parameters
     parameter SENS_SYNC_FBITS =          16,    // number of bits in a frame counter for linescan mode
     parameter SENS_SYNC_LBITS =          16,    // number of bits in a line counter for sof_late output (limited by eof) 
-    parameter SENS_SYNC_LATE_DFLT =      15,    // number of lines to delay late frame sync
+    parameter SENS_SYNC_LATE_DFLT =      4, // 15,    // number of lines to delay late frame sync
     parameter SENS_SYNC_MINBITS =        8,    // number of bits to enforce minimal frame period 
     parameter SENS_SYNC_MINPER =         130,    // minimal frame period (in pclk/mclk?) 
     

x393.v

@@ -1231,7 +1231,6 @@ assign axi_grst = axi_rst_pre;
         .SS_MOD_PERIOD                     (SS_MOD_PERIOD),
         .CMD_PAUSE_BITS                    (CMD_PAUSE_BITS),
         .CMD_DONE_BIT                      (CMD_DONE_BIT),
-        
         .MCNTRL_PS_ADDR                    (MCNTRL_PS_ADDR),
         .MCNTRL_PS_MASK                    (MCNTRL_PS_MASK),
         .MCNTRL_PS_STATUS_REG_ADDR         (MCNTRL_PS_STATUS_REG_ADDR),
@@ -1254,6 +1253,7 @@ assign axi_grst = axi_rst_pre;
         .MCNTRL_SCANLINE_WINDOW_WH         (MCNTRL_SCANLINE_WINDOW_WH),
         .MCNTRL_SCANLINE_WINDOW_X0Y0       (MCNTRL_SCANLINE_WINDOW_X0Y0),
         .MCNTRL_SCANLINE_WINDOW_STARTXY    (MCNTRL_SCANLINE_WINDOW_STARTXY),
+        .MCNTRL_SCANLINE_START_DELAY       (MCNTRL_SCANLINE_START_DELAY),
         .MCNTRL_SCANLINE_STATUS_REG_CHN1_ADDR   (MCNTRL_SCANLINE_STATUS_REG_CHN1_ADDR),
         .MCNTRL_SCANLINE_STATUS_REG_CHN3_ADDR   (MCNTRL_SCANLINE_STATUS_REG_CHN3_ADDR),
         .MCNTRL_SCANLINE_PENDING_CNTR_BITS (MCNTRL_SCANLINE_PENDING_CNTR_BITS),
@@ -1289,6 +1289,8 @@ assign axi_grst = axi_rst_pre;
         .MCONTR_LINTILE_REPEAT             (MCONTR_LINTILE_REPEAT),
         .MCONTR_LINTILE_DIS_NEED           (MCONTR_LINTILE_DIS_NEED),
         .MCONTR_LINTILE_SKIP_LATE          (MCONTR_LINTILE_SKIP_LATE),
+        .MCNTRL_SCANLINE_DLY_WIDTH         (MCNTRL_SCANLINE_DLY_WIDTH),
+        .MCNTRL_SCANLINE_DLY_DEFAULT       (MCNTRL_SCANLINE_DLY_DEFAULT),
         .BUFFER_DEPTH32                    (BUFFER_DEPTH32),
         .RSEL                              (RSEL),
         .WSEL                              (WSEL)