From 8948104b6f758dc9f01f7ed7df9c9c94750c96fb Mon Sep 17 00:00:00 2001 From: Glenwing Date: Wed, 21 Mar 2018 00:19:16 -0700 Subject: [PATCH] DMT and GTF Added --- bandwidth/DMT.txt | 89 +++++++ bandwidth/bandwidth.js | 531 ++++++++++++++++++++++++++++++++++++----- bandwidth/index.html | 26 +- bandwidth/style.css | 2 +- 4 files changed, 572 insertions(+), 76 deletions(-) create mode 100644 bandwidth/DMT.txt diff --git a/bandwidth/DMT.txt b/bandwidth/DMT.txt new file mode 100644 index 0000000..8f631c6 --- /dev/null +++ b/bandwidth/DMT.txt @@ -0,0 +1,89 @@ +ID,STD,H,V,SCAN,NOM_FREQ,V_FREQ,H_FREQ,CLK,H_FP,H_SW,H_BP,V_FP,V_SW,V_BP,Margin,H_POL,V_POL,H_BLANK,V_BLANK,H_EFF,V_EFF +01h,DMT,640,350,p,85.000,85.080,37.861,31.5,32,64,96,32,3,60,0,p,n,192,95,832,445 +02h,DMT,640,400,p,85.000,85.080,37.861,31.5,32,64,96,1,3,41,0,n,p,192,45,832,445 +03h,DMT,720,400,p,85.000,85.039,37.927,35.5,36,72,108,1,3,42,0,n,p,216,46,936,446 +04h,DMT,640,480,p,60.000,59.940,31.469,25.175,8,96,40,2,2,25,8,n,n,160,45,800,525 +05h,DMT,640,480,p,72.000,72.809,37.861,31.5,16,40,120,1,3,20,8,n,n,192,40,832,520 +06h,DMT,640,480,p,75.000,75.000,37.5,31.5,16,64,120,1,3,16,0,n,n,200,20,840,500 +07h,DMT,640,480,p,85.000,85.008,43.269,36,56,56,80,1,3,25,0,n,n,192,29,832,509 +08h,DMT,800,600,p,56.000,56.250,35.156,36,24,72,128,1,2,22,0,p,p,224,25,1024,625 +09h,DMT,800,600,p,60.000,60.317,37.879,40,40,128,88,1,4,23,0,p,p,256,28,1056,628 +0Ah,DMT,800,600,p,75.000,72.188,48.077,50,56,120,64,37,6,23,0,p,p,240,66,1040,666 +0Bh,DMT,800,600,p,75.000,75.000,46.875,49.5,16,80,160,1,3,21,0,p,p,256,25,1056,625 +0Ch,DMT,800,600,p,85.000,85.061,53.674,56.25,32,64,152,1,3,27,0,p,p,248,31,1048,631 +0Dh,CVTRB,800,600,p,120.000,119.972,76.302,73.25,48,32,80,3,4,29,0,p,n,160,36,960,636 +0Eh,DMT,848,480,p,60.000,60.000,31.02,33.75,16,112,112,6,8,23,0,p,p,240,37,1088,517 +0Fh,DMT,1024,768,i,43.000,86.957,35.522,44.9,8,176,56,0,4,20,0,p,p,240,24,1264,792 +10h,DMT,1024,768,p,60.000,60.004,48.363,65,24,136,160,3,6,29,0,n,n,320,38,1344,806 +11h,DMT,1024,768,p,70.000,70.069,56.476,75,24,136,144,3,6,29,0,n,n,304,38,1328,806 +12h,DMT,1024,768,p,75.000,75.029,60.023,78.75,16,96,176,1,3,28,0,p,p,288,32,1312,800 +13h,DMT,1024,768,p,85.000,84.997,68.677,94.5,48,96,208,1,3,36,0,p,p,352,40,1376,808 +14h,CVTRB,1024,768,p,120.000,119.989,97.551,115.5,48,32,80,3,4,38,0,p,n,160,45,1184,813 +15h,DMT,1152,864,p,75.000,75.000,67.5,108,64,128,256,1,3,32,0,p,p,448,36,1600,900 +55h,CTA,1280,720,p,60.000,60.000,45,74.25,110,40,220,5,5,20,0,p,p,370,30,1650,750 +16h,CVTRB,1280,768,p,60.000,59.995,47.396,68.25,48,32,80,3,7,12,0,p,n,160,22,1440,790 +17h,CVT,1280,768,p,60.000,59.870,47.776,79.5,64,128,192,3,7,20,0,n,p,384,30,1664,798 +18h,CVT,1280,768,p,75.000,74.893,60.289,102.25,80,128,208,3,7,27,0,n,p,416,37,1696,805 +19h,CVT,1280,768,p,85.000,84.837,68.633,117.5,80,136,216,3,7,31,0,n,p,432,41,1712,809 +1Ah,CVTRB,1280,768,p,120.000,119.798,97.396,140.25,48,32,80,3,7,35,0,p,n,160,45,1440,813 +1Bh,CVTRB,1280,800,p,60.000,59.910,49.306,71,48,32,80,3,6,14,0,p,n,160,23,1440,823 +1Ch,CVT,1280,800,p,60.000,59.810,49.702,83.5,72,128,200,3,6,22,0,n,p,400,31,1680,831 +1Dh,CVT,1280,800,p,75.000,74.934,62.795,106.5,80,128,208,3,6,29,0,n,p,416,38,1696,838 +1Eh,CVT,1280,800,p,85.000,84.880,71.554,122.5,80,136,216,3,6,34,0,n,p,432,43,1712,843 +1Fh,CVTRB,1280,800,p,120.000,119.909,101.563,146.25,48,32,80,3,6,38,0,p,n,160,47,1440,847 +20h,DMT,1280,960,p,60.000,60.000,60,108,96,112,312,1,3,36,0,p,p,520,40,1800,1000 +21h,DMT,1280,960,p,85.000,85.002,85.938,148.5,64,160,224,1,3,47,0,p,p,448,51,1728,1011 +22h,CVTRB,1280,960,p,120.000,119.838,121.875,175.5,48,32,80,3,4,50,0,p,n,160,57,1440,1017 +23h,DMT,1280,1024,p,60.000,60.020,63.981,108,48,112,248,1,3,38,0,p,p,408,42,1688,1066 +24h,DMT,1280,1024,p,75.000,75.025,79.976,135,16,144,248,1,3,38,0,p,p,408,42,1688,1066 +25h,DMT,1280,1024,p,85.000,85.024,91.146,157.5,64,160,224,1,3,44,0,p,p,448,48,1728,1072 +26h,CVTRB,1280,1024,p,120.000,119.958,130.035,187.25,48,32,80,3,7,50,0,p,n,160,60,1440,1084 +27h,DMT,1360,768,p,60.000,60.015,47.712,85.5,64,112,256,3,6,18,0,p,p,432,27,1792,795 +28h,CVTRB,1360,768,p,120.000,119.967,97.533,148.25,48,32,80,3,5,37,0,p,n,160,45,1520,813 +51h,DMT,1366,768,p,60.000,59.790,47.712,85.5,70,143,213,3,3,24,0,p,p,426,30,1792,798 +56h,DMT,1366,768,p,60.000,60.000,48,72,14,56,64,1,3,28,0,p,p,134,32,1500,800 +29h,CVTRB,1400,1050,p,60.000,59.948,64.744,101,48,32,80,3,4,23,0,p,n,160,30,1560,1080 +2Ah,CVT,1400,1050,p,60.000,,65.317,121.75,,,,,,,,,,,,, +2Bh,CVT,1400,1050,p,75.000,,82.3,156,,,,,,,,,,,,, +2Ch,CVT,1400,1050,p,85.000,,93.9,179.5,,,,,,,,,,,,, +2Dh,CVTRB,1400,1050,p,120.000,,133.3,208,,,,,,,,,,,,, +2Eh,CVTRB,1440,900,p,60.000,,55.5,88.75,,,,,,,,,,,,, +2Fh,CVT,1440,900,p,60.000,,55.9,106.5,,,,,,,,,,,,, +30h,CVT,1440,900,p,75.000,,70.6,136.75,,,,,,,,,,,,, +31h,CVT,1440,900,p,85.000,,80.4,157,,,,,,,,,,,,, +32h,CVTRB,1440,900,p,120.000,,114.2,182.75,,,,,,,,,,,,, +53h,DMT,1600,900,p,60.000,60.000,60,108,24,80,96,1,3,96,0,p,p,200,100,1800,1000 +33h,DMT,1600,1200,p,60.000,60.000,75,162,64,192,304,1,3,46,0,p,p,560,50,2160,1250 +34h,DMT,1600,1200,p,65.000,65.000,81.25,175.5,64,192,304,1,3,46,0,p,p,560,50,2160,1250 +35h,DMT,1600,1200,p,70.000,70.000,87.5,189,64,192,304,1,3,46,0,p,p,560,50,2160,1250 +36h,DMT,1600,1200,p,75.000,75.000,93.75,202.5,64,192,304,1,3,46,0,p,p,560,50,2160,1250 +37h,DMT,1600,1200,p,85.000,85.000,106.25,229.5,64,192,304,1,3,46,0,p,p,560,50,2160,1250 +38h,CVTRB,1600,1200,p,120.000,,152.415,268.25,,,,,,,,,,,,, +39h,CVTRB,1680,1050,p,60.000,,64.7,119,,,,,,,,,,,,, +3Ah,CVT,1680,1050,p,60.000,,65.3,146.25,,,,,,,,,,,,, +3Bh,CVT,1680,1050,p,75.000,,82.3,187,,,,,,,,,,,,, +3Ch,CVT,1680,1050,p,85.000,,93.9,214.75,,,,,,,,,,,,, +3Dh,CVTRB,1680,1050,p,120.000,,144.4,245.5,,,,,,,,,,,,, +3Eh,DMT,1792,1344,p,60.000,60.000,83.64,204.75,128,200,328,1,3,46,0,n,p,656,50,2448,1394 +3Fh,DMT,1792,1344,p,75.000,74.997,106.270,261.000,96,216,352,1,3,69,0,n,p,664,73,2456,1417 +40h,CVTRB,1792,1344,p,120.000,,170.700,333.25,,,,,,,,,,,,, +41h,DMT,1856,1392,p,60.000,59.995,86.333,218.25,96,224,352,1,3,43,0,n,p,672,47,2528,1439 +42h,DMT,1856,1392,p,75.000,75.000,112.5,288.000,128,224,352,1,3,104,0,n,p,704,108,2560,1500 +43h,CVTRB,1856,1392,p,120.000,,176.800,356.5,,,,,,,,,,,,, +52h,CTA,1920,1080,p,60.000,,67.5,148.500,,,,,,,,,,,,, +44h,CVTRB,1920,1200,p,60.000,,74,154,,,,,,,,,,,,, +45h,CVT,1920,1200,p,60.000,,74.600,193.25,,,,,,,,,,,,, +46h,CVT,1920,1200,p,75.000,,94,245.25,,,,,,,,,,,,, +47h,CVT,1920,1200,p,85.000,,107.2,281.25,,,,,,,,,,,,, +48h,CVTRB,1920,1200,p,120.000,,152.400,317.000,,,,,,,,,,,,, +49h,DMT,1920,1440,p,60.000,60.000,90,234,128,208,344,1,3,56,0,n,p,680,60,2600,1500 +4Ah,DMT,1920,1440,p,75.000,75.000,112.500,297.000,144,224,352,1,3,56,0,n,p,720,60,2640,1500 +4Bh,CVTRB,1920,1440,p,120.000,,182.9,380.5,,,,,,,,,,,,, +54h,CVTRB,2048,1152,p,60.000,,70.992,156.75,,,,,,,,,,,,, +4Ch,CVTRB,2560,1600,p,60.000,,98.700,268.500,,,,,,,,,,,,, +4Dh,CVT,2560,1600,p,60.000,,99.5,348.5,,,,,,,,,,,,, +4Eh,CVT,2560,1600,p,75.000,,125.4,443.25,,,,,,,,,,,,, +4Fh,CVT,2560,1600,p,85.000,,142.900,505.250,,,,,,,,,,,,, +50h,CVTRB,2560,1600,p,120.000,,203.2,552.75,,,,,,,,,,,,, +57h,CVTR2,4096,2160,p,60.000,,133.32,556.744,,,,,,,,,,,,, +58h,CVTR2,4096,2160,p,59.940,,133.187,556.188,,,,,,,,,,,,, \ No newline at end of file diff --git a/bandwidth/bandwidth.js b/bandwidth/bandwidth.js index 71e75ea..57bfe23 100644 --- a/bandwidth/bandwidth.js +++ b/bandwidth/bandwidth.js @@ -9,6 +9,7 @@ DebugConfig({ CTA861 = {}; +DMT_List = {}; // The intepreted current state of all input fields is stored here @@ -217,7 +218,7 @@ function submitVar(id, val) { else if (id == 'V_FP' || id == 'V_BP' || id == 'V_SW' || id == 'H_FP' || id == 'H_BP' || id == 'H_SW' || - id == 'V_FP_ODD' || id == 'V_SW_ODD' || id == 'V_BP_ODD') { + id == 'V_FP_INT' || id == 'V_SW_INT' || id == 'V_BP_INT') { GlobalVars_Key = id; val = parseFloat(parseNum(val)); if (isNum(val)) { @@ -226,7 +227,7 @@ function submitVar(id, val) { $('#' + id).val(val); $('#V_BLANK').html(Global_InputVars['V_FP'] + Global_InputVars['V_BP'] + Global_InputVars['V_SW']); $('#H_BLANK').html(Global_InputVars['H_FP'] + Global_InputVars['H_BP'] + Global_InputVars['H_SW']); - $('#V_BLANK_ODD').html(Global_InputVars['V_FP_ODD'] + Global_InputVars['V_BP_ODD'] + Global_InputVars['V_SW_ODD']); + $('#V_BLANK_INT').html(Global_InputVars['V_FP_INT'] + Global_InputVars['V_BP_INT'] + Global_InputVars['V_SW_INT']); } else { DEBUG(id + ' input is not a number:', val); @@ -234,7 +235,7 @@ function submitVar(id, val) { $('#' + id).val(''); $('#V_BLANK').html(''); $('#H_BLANK').html(''); - $('#V_BLANK_ODD').html(''); + $('#V_BLANK_INT').html(''); } DEBUG("Global_InputVars['" + GlobalVars_Key + "'] was set to", Global_InputVars[GlobalVars_Key]); @@ -368,6 +369,7 @@ function calcMain() { // Get timing parameters Timing = getTiming(timing_standard); + if (!Timing) { clearResults(); return; } // Abort if getTiming returns false, it indicates the format is not defined for that timing standard. DEBUG('Timing:', Timing); var results = { @@ -425,6 +427,10 @@ function getTiming(timing_standard) { 'H_BP': '', 'H_SW': '', + 'V_FP_INT': '', + 'V_BP_INT': '', + 'V_SW_INT': '', + 'V_BL': '', 'H_BL': '', @@ -435,21 +441,39 @@ function getTiming(timing_standard) { if (timing_standard != 'Custom') { if (timing_standard == 'CVT-R2') { Timing = CVT_R(2); + $('#TIMING_FORMAT_NAME').html('VESA Name: ' + (Global_InputVars['HRES'] * Global_InputVars['VRES'] / 1000000).toFixed(2) + 'M' + Timing['VESA_AR'] + '-R'); } else if (timing_standard == 'CVT-RB') { Timing = CVT_R(1); + $('#TIMING_FORMAT_NAME').html('VESA Name: ' + (Global_InputVars['HRES'] * Global_InputVars['VRES'] / 1000000).toFixed(2) + 'M' + Timing['VESA_AR'] + '-R'); } else if (timing_standard == 'CVT') { Timing = CVT(); + $('#TIMING_FORMAT_NAME').html('VESA Name: ' + (Global_InputVars['HRES'] * Global_InputVars['VRES'] / 1000000).toFixed(2) + 'M' + Timing['VESA_AR']); } else if (timing_standard == 'GTF') { Timing = GTF(); + $('#TIMING_FORMAT_NAME').html(''); } else if (timing_standard == 'DMT') { Timing = DMT(); + if (!Timing) { + DEBUG ('Not a DMT Format. DMT Function returned false.'); + $('#TIMING_FORMAT_NAME').html(''); + return false; } + else { + $('#TIMING_FORMAT_NAME').html('DMT ID: ' + Timing['ID']); + } } else if (timing_standard == 'CTA-861') { Timing = CTA(); + if (!Timing) { + DEBUG ('Not a CTA Format. CTA Function returned false.'); + $('#TIMING_FORMAT_NAME').html(''); + return false; } + else { + $('#TIMING_FORMAT_NAME').html('CTA VIC: ' + Timing['VIC']); + } } else if (timing_standard == 'None') { Timing = { @@ -460,16 +484,21 @@ function getTiming(timing_standard) { 'H_BP': 0, 'H_SW': 0, - 'V_FP_ODD': 0, - 'V_BP_ODD': 0, - 'V_SW_ODD': 0, + 'V_FP_INT': 0, + 'V_BP_INT': 0, + 'V_SW_INT': 0, 'V_BL': 0, 'H_BL': 0, + 'V_EFF': Global_InputVars['VRES'], + 'H_EFF': Global_InputVars['HRES'], + 'F_ACTUAL': Global_InputVars['FREQ'], } + $('#TIMING_FORMAT_NAME').html(''); } + // Update UI timing parameter fields with the newly generated timings submitVar('V_FP', Timing['V_FP']); submitVar('V_BP', Timing['V_BP']); @@ -477,9 +506,10 @@ function getTiming(timing_standard) { submitVar('H_FP', Timing['H_FP']); submitVar('H_BP', Timing['H_BP']); submitVar('H_SW', Timing['H_SW']); - submitVar('V_FP_ODD', Timing['V_FP_ODD']); - submitVar('V_SW_ODD', Timing['V_SW_ODD']); - submitVar('V_BP_ODD', Timing['V_BP_ODD']); + submitVar('V_FP_INT', Timing['V_FP_INT']); + submitVar('V_SW_INT', Timing['V_SW_INT']); + submitVar('V_BP_INT', Timing['V_BP_INT']); + } else if (timing_standard == 'Custom') { @@ -490,9 +520,9 @@ function getTiming(timing_standard) { submitVar('H_FP', $('#H_FP').val()); submitVar('H_BP', $('#H_BP').val()); submitVar('H_SW', $('#H_SW').val()); - submitVar('V_FP_ODD', Global_InputVars['V_FP'] + 0.5); - submitVar('V_SW_ODD', Global_InputVars['V_SW']); - submitVar('V_BP_ODD', Global_InputVars['V_BP'] + 0.5); + submitVar('V_FP_INT', Global_InputVars['V_FP'] + 0.5); + submitVar('V_SW_INT', Global_InputVars['V_SW']); + submitVar('V_BP_INT', Global_InputVars['V_BP'] + 0.5); Timing = { 'V_FP': Global_InputVars['V_FP'], @@ -502,15 +532,19 @@ function getTiming(timing_standard) { 'H_BP': Global_InputVars['H_BP'], 'H_SW': Global_InputVars['H_SW'], - 'V_FP_ODD': Global_InputVars['V_FP_ODD'], - 'V_BP_ODD': Global_InputVars['V_BP_ODD'], - 'V_SW_ODD': Global_InputVars['V_SW_ODD'], + 'V_FP_INT': Global_InputVars['V_FP_INT'], + 'V_BP_INT': Global_InputVars['V_BP_INT'], + 'V_SW_INT': Global_InputVars['V_SW_INT'], 'V_BL': Global_InputVars['V_FP'] + Global_InputVars['V_BP'] + Global_InputVars['V_SW'], 'H_BL': Global_InputVars['H_FP'] + Global_InputVars['H_BP'] + Global_InputVars['H_SW'], + 'V_EFF': Global_InputVars['VRES'] + Global_InputVars['V_FP'] + Global_InputVars['V_BP'] + Global_InputVars['V_SW'], + 'H_EFF': Global_InputVars['HRES'] + Global_InputVars['H_FP'] + Global_InputVars['H_BP'] + Global_InputVars['H_SW'], + 'F_ACTUAL': Global_InputVars['FREQ'], } + $('#TIMING_FORMAT_NAME').html(''); } $('#V_BLANK').html(Timing['V_BL']); @@ -527,6 +561,8 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin var S = Global_InputVars['SCAN']; // 1 for progressive scan, 2 for interlaced var M = Global_InputVars['MARGINS']; // Margins (%) + var I = (S - 1) / 2; // 0 for progressive, 0.5 for interlaced + // Declaring variables for all results var V_FP; // Vertical front porch var V_SW; // Vertical sync width @@ -561,25 +597,29 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin // Determine vertical sync width (V_SW) from table of magic numbers defined in VESA CVT standard var V_SYNC_TABLE = [ - [4/3, 4], - [16/9, 5], - [8/5, 6], - [5/3, 7], - [5/4, 7], + [4/3, 4, '3'], + [16/9, 5, '9'], + [8/5, 6, 'A'], + [5/3, 7, '9'], + [5/4, 7, '4'], ] + var AR_NAME = ''; V_SW = 10; // default value defined in standard for (var i = 0; i < V_SYNC_TABLE.length; i++) { - if ((H / V) - V_SYNC_TABLE[i][0] < 0.05) { // Check if aspect ratio of image (H/V) matches an aspect ratio defined in table, within 0.05 + if (Math.abs((H / V) - V_SYNC_TABLE[i][0]) < 0.05) { // Check if aspect ratio of image (H/V) matches an aspect ratio defined in table, within 0.05 V_SW = V_SYNC_TABLE[i][1]; + AR_NAME = V_SYNC_TABLE[i][2]; + DEBUG('AR_NAME', AR_NAME) + break; } } // V_BP is determined in reverse, by calculating V_BLANK first (the sum of V_FP, V_SW, and V_BP) and subtracting out V_FP and V_SW. - var CellGran = 8; // Cell granularity constant defined by CVT standard - var H_RND = Math.floor(H / CellGran) * CellGran; // Round down horizontal resolution to be a multiple 8 + var G = 8; // Cell granularity constant defined by CVT standard + var H_RND = Math.floor(H / G) * G; // Round down horizontal resolution to be a multiple 8 var V_MARGIN = Math.floor(M / 100) * V_LINES; // If margins percent (M) is 0, this result is 0 - var H_MARGIN = Math.floor(H_RND * M / 100 / CellGran) * CellGran; // If margins percent (M) is 0, this result is 0 + var H_MARGIN = Math.floor(H_RND * M / 100 / G) * G; // If margins percent (M) is 0, this result is 0 var H_PER_EST = ((1 / F) - V_PER_MIN) / (V_LINES + (2 * V_MARGIN)); // Horizontal blanking period estimate V_BLANK = Math.floor((V_PER_MIN / H_PER_EST) + 1); @@ -589,7 +629,7 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin V_BP = V_BLANK - (V_FP + V_SW); - V_EFF = V_LINES + V_BLANK + V_MARGIN + ((S - 1)/2); // (S-1)/2 = 0 for progressive, 0.5 for interlaced + V_EFF = V_LINES + V_BLANK + V_MARGIN + I; // (S-1)/2 = 0 for progressive, 0.5 for interlaced H_EFF = H_RND + H_BLANK + H_MARGIN; // Calculate pixel clock, to enforce pixel clock rounding to the nearest 250 kHz, as required by the CVT standard @@ -613,7 +653,7 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin // V_FP is determined in reverse, by calculating V_BLANK first (the sum of V_FP, V_SW, and V_BP) and subtracting V_SW and V_BP out. var V_MARGIN = Math.floor(M / 100) * V_LINES; // If margins percent (M) is 0, this result is 0 - var H_MARGIN = Math.floor(H * M / 100); // If margins percent (M) is 0, this result is 0 + var H_MARGIN = Math.floor(H * (M / 100)); // If margins percent (M) is 0, this result is 0 var H_PER_EST = ((1 / F) - V_PER_MIN) / (V_LINES + (2 * V_MARGIN)); // Horizontal blanking period estimate V_BLANK = Math.floor((V_PER_MIN / H_PER_EST) + 1); @@ -623,7 +663,7 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin V_FP = V_BLANK - (V_BP + V_SW); - V_EFF = V_LINES + V_BLANK + V_MARGIN + ((S - 1)/2); // (S-1)/2 = 0 for progressive, 0.5 for interlaced + V_EFF = V_LINES + V_BLANK + V_MARGIN + I; // (S-1)/2 = 0 for progressive, 0.5 for interlaced H_EFF = H + H_BLANK + H_MARGIN; // Calculate pixel clock, to enforce pixel clock rounding to the nearest 1 kHz, as required by the CVT standard @@ -632,6 +672,20 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin F_HOR = CLK / (H_EFF); // Horizontal refresh frequency (Hz) F_ACTUAL = F_HOR / (V_EFF); + + var V_SYNC_TABLE = [ + [4/3, 4, '3'], + [16/9, 5, '9'], + [8/5, 6, 'A'], + [5/3, 7, '9'], + [5/4, 7, '4'], + ] + var AR_NAME = ''; + for (var i = 0; i < V_SYNC_TABLE.length; i++) { + if (Math.abs((H / V) - V_SYNC_TABLE[i][0]) < 0.05) { + AR_NAME = V_SYNC_TABLE[i][2]; + } + } } //DEBUG('CLK', CLK); //DEBUG('F_HOR', F_HOR); @@ -639,35 +693,379 @@ function CVT_R(R) { // Variable R is an integer representing the reduced blankin //DEBUG(V_BLANK); return { - V_FP: V_FP, // For interlaced, these vertical timing are used for the even fields - V_BP: V_BP, - V_SW: V_SW, - H_FP: H_FP, - H_BP: H_BP, - H_SW: H_SW, + 'V_FP': V_FP, // For interlaced, these vertical timing are used for the odd fields + 'V_BP': V_BP, + 'V_SW': V_SW, + 'H_FP': H_FP, + 'H_BP': H_BP, + 'H_SW': H_SW, - V_FP_ODD: V_FP + 0.5, // For interlaced, V_FP and V_BP are 0.5 higher for odd fields (V_SW is same) - V_SW_ODD: V_SW, - V_BP_ODD: V_BP + 0.5, + 'V_FP_INT': V_FP + I, // For interlaced, V_FP and V_BP are 0.5 higher for even fields (V_SW is same) + 'V_BP_INT': V_BP + I, + 'V_SW_INT': V_SW, - V_BL: V_BLANK, - H_BL: H_BLANK, + 'V_BL': V_BLANK, + 'H_BL': H_BLANK, - V_EFF: V_EFF, - H_EFF: H_EFF, + 'V_EFF': V_EFF, + 'H_EFF': H_EFF, - F_ACTUAL: F_ACTUAL, + 'F_ACTUAL': F_ACTUAL, + 'VESA_AR': AR_NAME, }; } function CVT() { - return; + var H = Global_InputVars['HRES']; // Horizontal active pixels + var V = Global_InputVars['VRES']; // Vertical active pixels + var F = Global_InputVars['FREQ']; // Nominal vertical refresh frequency + var S = Global_InputVars['SCAN']; // 1 for progressive scan, 2 for interlaced + var M = Global_InputVars['MARGINS']; // Margins (%) + + var INTERLACE = (S - 1) / 2; + + // Declaring variables for all results + var V_FP; // Vertical front porch + var V_SW; // Vertical sync width + var V_BP; // Vertical back porch + + var H_FP; // Horizontal front porch + var H_SW; // Horizontal sync width + var H_BP; // Horizontal back porch + + var V_BLANK; // Total vertical blanking (V_FP + V_SW + V_BP) + var H_BLANK; // Total horizontal blanking (H_FP + H_SW + H_BP) + var V_EFF; // V + V_Blank + V_Margins + var H_EFF; // H + H_Blank + H_Margins + + var F_ACTUAL; // Actual vertical refresh frequency (after pixel clock rounding) + var F_HOR; // Horizontal refresh frequency + + // Constants + var V_SBP_MIN = 0.00055; /* Minimum duration of vertical sync + back porch (seconds) */ + var V_BP_MIN = 6; // Minimum vertical back porch value (lines) + var V_LINES = Math.floor(V / S) // If progressive scan, S = 1 and V_LINES = V. If interlaced, V_LINES = floor(V / 2). + V_FP = 3; // Vertical front porch value (lines) + + var G = 8; // Cell Granularity constant + var H_RND = Math.floor(H / G) * G; + var V_MARGIN = Math.floor(M / 100 * V_LINES); // If margins percent (M) is 0, this result is 0 + var H_MARGIN = Math.floor(H_RND * M / 100 / G) * G; // If margins percent (M) is 0, this result is 0 + var H_SYNC_TARGET_WIDTH = 0.08 // Nominal horizontal sync pulse duration (percent of horizontal draw period) + + // Determine V_SW from table + var V_SYNC_TABLE = [ + [4/3, 4, '3'], + [16/9, 5, '9'], + [8/5, 6, 'A'], + [5/3, 7, '9'], + [5/4, 7, '4'], + ] + var AR_NAME = ''; + V_SW = 10; // default value defined in standard + for (var i = 0; i < V_SYNC_TABLE.length; i++) { + if (Math.abs((H / V) - V_SYNC_TABLE[i][0]) < 0.05) { // Check if aspect ratio of image (H/V) matches an aspect ratio defined in table, within 0.05 + V_SW = V_SYNC_TABLE[i][1]; + AR_NAME = V_SYNC_TABLE[i][2]; + } + } + + // Estimate horizontal refresh period (seconds) + var H_EST = ((1/F) - V_SBP_MIN) / (V_LINES + (2 * V_MARGIN) + V_FP + INTERLACE) + + // Estimate vertical sync + vertical back porch (lines), subtract V_SW to get V_BP + var V_BP = (Math.floor(V_SBP_MIN / H_EST) + 1) - V_SW; + if (V_BP < V_BP_MIN) { V_BP = V_BP_MIN; } // Enforce minimum value for V_BP + + // Total vertical resolution including blanking and margins + V_EFF = V_LINES + (2 * V_MARGIN) + V_FP + V_SW + V_BP + INTERLACE; + + // Horizontal blanking is determined by formula from GTF standard + // Calculate Ideal Duty Cycle (%) from GTF formula + var IDC = 30 - (300000 * H_EST); + if (IDC < 20) { IDC = 20; } // Enforce minimum value for IDC + // Calculate horizontal blanking time (to next lowest character cell) + H_BLANK = Math.floor((H_RND + (2 * H_MARGIN)) * IDC / (100 - IDC) / (2 * G)) * (2 * G); + + // Total horizontal resolution including blanking and margins + H_EFF = H_RND + (2 * H_MARGIN) + H_BLANK; + + // Determing horizontal timing parameters from magic formulas defined by standard + H_BP = H_BLANK / 2; + H_SW = Math.floor((H_SYNC_TARGET_WIDTH * H_EFF) / G) * G; + H_FP = H_BLANK - (H_BP + H_SW); + + // Calculate Pixel Clock (Hz) + var CLK = H_EFF / H_EST; + CLK = Math.floor(CLK / 250000) * 250000; // Enforce pixel clock rounding to nearest 0.25 MHz (250,000 Hz) + + // Calculate Horizontal Refresh Frequency (Hz) + F_HOR = CLK / H_EFF; + + // Calculate Vertical Refresh Frequency (Hz) after adjusting for pixel clock rounding + F_ACTUAL = F_HOR / V_EFF; + + return { + 'V_FP': V_FP, // For interlaced, these vertical timing are used for the odd fields + 'V_BP': V_BP, + 'V_SW': V_SW, + 'H_FP': H_FP, + 'H_BP': H_BP, + 'H_SW': H_SW, + + 'V_FP_INT': V_FP + INTERLACE, // For interlaced, V_FP and V_BP are 0.5 higher for even fields (V_SW is same) + 'V_BP_INT': V_BP + INTERLACE, + 'V_SW_INT': V_SW, + + 'V_BL': V_BLANK, + 'H_BL': H_BLANK, + + 'V_EFF': V_EFF, + 'H_EFF': H_EFF, + + 'F_ACTUAL': F_ACTUAL, + 'VESA_AR': AR_NAME, + }; } function CTA() { - return; + DEBUG('Starting CTA'); + var H = Global_InputVars['HRES']; + var V = Global_InputVars['VRES']; + var F = Global_InputVars['FREQ']; + var S = Global_InputVars['SCAN']; + + // No CTA formats are below these points, no need to search entire list + if (H < 640 || V < 240 || F < 23.9) { DEBUG('Search aborted, one or more inputs is below the minimum value found in CTA.', H, V, F); return false; } + + if (S == 1) { S = 'p'; } + else if (S == 2) { S = 'i'; } + + DEBUG('Input:', H, V, F, S); + + var CTA_H; + var CTA_V; + var CTA_F; + var CTA_S; + + for (var i = 0; i < CTA861.length; i++) { + CTA_H = parseFloat(CTA861[i]['H']); + CTA_V = parseFloat(CTA861[i]['V']); + CTA_F = parseFloat(CTA861[i]['V_FREQ']); + CTA_S = CTA861[i]['SCAN']; + + DEBUG('Parsing: VIC', CTA861[i]['VIC'], '|', CTA_H, (H == CTA_H), '|', CTA_V, (V == CTA_V), '|' , (CTA_F).toFixed(3), (Math.abs(F - CTA_F) < 0.01), '|', CTA_S, (S == CTA_S)); + + //DEBUG( (V == CTA_V), (Math.abs(F - CTA_F) < 0.01), (S == CTA_S)) + if ((H == CTA_H) && (V == CTA_V) && (Math.abs(F - CTA_F) < 0.01) && (S == CTA_S)) { + DEBUG('Match Found'); + + // Special modifications to values based on whether interlacing is selected or not + if (S == 'p') { S = 0; } + else if (S == 'i') { S = 0.5; } + + + return { + 'V_FP': parseFloat(CTA861[i]['V_FP']), + 'V_BP': parseFloat(CTA861[i]['V_BP']), + 'V_SW': parseFloat(CTA861[i]['V_SW']), + 'H_FP': parseFloat(CTA861[i]['H_FP']), + 'H_BP': parseFloat(CTA861[i]['H_BP']), + 'H_SW': parseFloat(CTA861[i]['H_SW']), + + 'V_FP_INT': parseFloat(CTA861[i]['V_FP']) + S, + 'V_BP_INT': parseFloat(CTA861[i]['V_BP']) + S, + 'V_SW_INT': parseFloat(CTA861[i]['V_SW']), + + 'V_BL': parseFloat(CTA861[i]['V_BLANK']) - S, + 'H_BL': parseFloat(CTA861[i]['H_BLANK']), + + 'V_EFF': parseFloat(CTA861[i]['V_EFF']) * (1 - S), + 'H_EFF': parseFloat(CTA861[i]['H_EFF']), + + 'F_ACTUAL': parseFloat(CTA861[i]['V_FREQ']), + 'VIC': parseFloat(CTA861[i]['VIC']), + 'CTA_REV': CTA861[i]['CTA'], + } + } + } + + // Not found in CTA list + return false; +} + + +function GTF() { + // Input Variables + + var V_FREQ_NOM = Global_InputVars['FREQ']; + var H = Global_InputVars['HRES']; + var V = Global_InputVars['VRES']; + var S = Global_InputVars['SCAN']; + var MARGINS = Global_InputVars['MARGINS']; + + // Constants + + var V_SW = 3; // Vertical sync pulse width (lines) + var V_FP = 1; // Vertical front porch (lines) + var V_MIN = 0.00055; // Min V_Blank period (seconds) + var G = 8; // Cell granularity (pixels) + var H_SYNC_WIDTH_TARGET = 0.08; // Nominal horizontal sync pulse duration (percent of horizontal draw period) + var INTERLACE = (S - 1) / 2; // 0 for progressive, 0.5 for interlaced + + // var m = 600 // Gradient (%/kHz) + // var c = 40 // offset (%) + // var k = 128 // blanking time scaling factor + // var j = 20 // scaling factor weighting + + var M = 300 // m * (k / 256); // "M prime" + var C = 30 // (((c - j) * k) / 256) + j; // "C prime" + + // Result Variables + + var V_BP; + var H_FP; + var H_SW; + var H_BP; + + var H_EFF + var V_EFF; + var V_BLANK; + var H_BLANK; + + // Calculations + + var V_LINES = Math.round(V / S); + var V_MARGIN = Math.round((MARGINS / 100) * V_LINES); + + var H_EST = ((1 / V_FREQ_NOM) - V_MIN) / (V_LINES + (2 * V_MARGIN) + V_FP + INTERLACE); // Horizontal refresh period estimate (seconds) + + V_BP = Math.round(V_MIN / H_EST) - V_SW; + V_BLANK = V_FP + V_SW + V_BP; + V_EFF = V_LINES + V_BLANK + (2 * V_MARGIN) + INTERLACE; // Total lines + //var V_FREQ_EST = 1 / (H_EST * V_EFF); // Hz + //var H_PER = (H_EST * V_FREQ_EST) / V_FREQ_NOM + + var H_PER = 1 / (V_EFF * V_FREQ_NOM); // Actual horizontal refresh period (seconds) + //var V_FREQ_ACT = 1 / (H_PER * V_EFF); // Hz + var IDC = C - (M * H_PER * 1000); + DEBUG('IDC:', IDC); + + var H_MARGIN = Math.round((H * (MARGINS / 100)) / G) * G; + H_BLANK = Math.round((((H + (2 * H_MARGIN)) * IDC)/(100 - IDC)) / (2 * G)) * (2 * G); + H_EFF = (H + H_BLANK + (2 * H_MARGIN)); + + H_SW = Math.round((H_EFF * H_SYNC_WIDTH_TARGET) / G) * G; + H_BP = (H_BLANK / 2); + H_FP = H_BP - H_SW; + + //var CLK = H_EFF / H_PER; + //var H_FREQ = 1 / H_PER; + + + return { + 'V_FP': V_FP, + 'V_BP': V_BP, + 'V_SW': V_SW, + 'H_FP': H_FP, + 'H_BP': H_BP, + 'H_SW': H_SW, + + 'V_FP_INT': V_FP + INTERLACE, + 'V_BP_INT': V_BP + INTERLACE, + 'V_SW_INT': V_SW, + + 'H_BLANK': H_BLANK, + 'V_BLANK': V_BLANK, + 'H_EFF': H_EFF, + 'V_EFF': V_EFF, + + 'F_ACTUAL': V_FREQ_NOM, + }; +} + + +function DMT() { + DEBUG('Starting DMT Search'); + var H = Global_InputVars['HRES']; + var V = Global_InputVars['VRES']; + var F = Global_InputVars['FREQ']; + var S = Global_InputVars['SCAN']; + + // No DMT formats are below these points, no need to search entire list + if (H < 640 || V < 350 || F < 43) { DEBUG('Search aborted, one or more inputs is below the minimum value found in DMT.', H, V, F); return false; } + + if (S == 1) { S = 'p'; } + else if (S == 2) { S = 'i'; } + + DEBUG('Input:', H, V, F, S); + + var DMT_H; + var DMT_V; + var DMT_F; + var DMT_S; + + for (var i = 0; i < DMT_List.length; i++) { + DMT_H = parseFloat(DMT_List[i]['H']); + DMT_V = parseFloat(DMT_List[i]['V']); + DMT_F = parseFloat(DMT_List[i]['NOM_FREQ']); + DMT_F_ACTUAL = parseFloat(DMT_List[i]['V_FREQ']) + DMT_S = DMT_List[i]['SCAN']; + + DEBUG('Parsing: DMT ID', DMT_List[i]['ID'], '|', DMT_H, (H == DMT_H), '|', DMT_V, (V == DMT_V), '|' , (DMT_F).toFixed(3), (Math.abs(F - DMT_F) < 0.01), '|', DMT_S, (S == DMT_S)); + + //DEBUG( (V == DMT_V), (Math.abs(F - DMT_F) < 0.01), (S == DMT_S)) + if ((H == DMT_H) && (V == DMT_V) && ((F == DMT_F) || (Math.abs(F - DMT_F_ACTUAL) < 0.01)) && (S == DMT_S)) { + DEBUG('Match Found'); + + // Special modifications to values based on whether interlacing is selected or not + if (S == 'p') { S = 0; } + else if (S == 'i') { S = 0.5; } + + var Timing; + + if (DMT_List[i]['STD'] == 'CVT') { + Timing = CVT(); + Timing['ID'] = DMT_List[i]['ID']; + } + else if (DMT_List[i]['STD'] == 'CVTRB') { + Timing = CVT_R(1); + Timing['ID'] = DMT_List[i]['ID']; + } + else if (DMT_List[i]['STD'] == 'CVTR2') { + Timing = CVT_R(2); + Timing['ID'] = DMT_List[i]['ID']; + } + else { + Timing = { + 'V_FP': parseFloat(DMT_List[i]['V_FP']), + 'V_BP': parseFloat(DMT_List[i]['V_BP']), + 'V_SW': parseFloat(DMT_List[i]['V_SW']), + 'H_FP': parseFloat(DMT_List[i]['H_FP']), + 'H_BP': parseFloat(DMT_List[i]['H_BP']), + 'H_SW': parseFloat(DMT_List[i]['H_SW']), + + 'V_FP_INT': parseFloat(DMT_List[i]['V_FP']) + S, + 'V_BP_INT': parseFloat(DMT_List[i]['V_BP']) + S, + 'V_SW_INT': parseFloat(DMT_List[i]['V_SW']), + + 'V_BL': parseFloat(DMT_List[i]['V_BLANK']) - S, + 'H_BL': parseFloat(DMT_List[i]['H_BLANK']), + + 'V_EFF': parseFloat(DMT_List[i]['V_EFF']) * (1 - S), + 'H_EFF': parseFloat(DMT_List[i]['H_EFF']), + + 'F_ACTUAL': parseFloat(DMT_List[i]['V_FREQ']), + 'ID': parseFloat(DMT_List[i]['ID']), + } + } + return Timing; + } + } + // Not found in DMT list + return false; } @@ -711,19 +1109,19 @@ function timingUIChange() { } value = $('input[name=SCAN_SLCT]:checked').val(); if (value == 'i') { - $('#V_BLANK_ODD_LABEL').css('display', 'table-cell'); - $('#V_FP_ODD_CONTAINER').css('display', 'table-cell'); - $('#V_BP_ODD_CONTAINER').css('display', 'table-cell'); - $('#V_SW_ODD_CONTAINER').css('display', 'table-cell'); - $('#V_BLANK_ODD_CONTAINER').css('display', 'table-cell'); + $('#V_BLANK_INT_LABEL').css('display', 'table-cell'); + $('#V_FP_INT_CONTAINER').css('display', 'table-cell'); + $('#V_BP_INT_CONTAINER').css('display', 'table-cell'); + $('#V_SW_INT_CONTAINER').css('display', 'table-cell'); + $('#V_BLANK_INT_CONTAINER').css('display', 'table-cell'); $('#V_BLANK_EVEN_LABEL').html('(Even) Vblank'); } else if (value == 'p') { - $('#V_BLANK_ODD_LABEL').css('display', 'none'); - $('#V_FP_ODD_CONTAINER').css('display', 'none'); - $('#V_BP_ODD_CONTAINER').css('display', 'none'); - $('#V_SW_ODD_CONTAINER').css('display', 'none'); - $('#V_BLANK_ODD_CONTAINER').css('display', 'none'); + $('#V_BLANK_INT_LABEL').css('display', 'none'); + $('#V_FP_INT_CONTAINER').css('display', 'none'); + $('#V_BP_INT_CONTAINER').css('display', 'none'); + $('#V_SW_INT_CONTAINER').css('display', 'none'); + $('#V_BLANK_INT_CONTAINER').css('display', 'none'); $('#V_BLANK_EVEN_LABEL').html('Vblank'); } else { @@ -1059,15 +1457,14 @@ function SI_set_precision(SI_options, prefixDef, pre2num) { function LoadCTA861(){ - // read text from URL location - DEBUG('CTA Test 11'); + // Loads the timing definitions for the CTA-861 standard from a txt file + //DEBUG('CTA Test 11'); var request = new XMLHttpRequest(); request.open('GET', 'CTA861.txt', true); request.send(null); request.onreadystatechange = function () { DEBUG('request.status:', request.status) - if (request.readyState === 4 && request.status === 200) { - DEBUG(request.responseText); + if (request.readyState === 4 && (request.status === 200 || request.status === 0)) { CTA861 = $.csv.toObjects(request.responseText); DEBUG(CTA861); } @@ -1076,11 +1473,20 @@ function LoadCTA861(){ } -async function LoadCTA861_Async() { - DEBUG('CTA Test 8'); - // Loads the timing definitions for the CTA-861 standard from a txt file - response = await fetch('CTA861.txt'); - CTA861 = $.csv.toObjects(await response.text()); +function LoadDMT(){ + // Loads the timing definitions for the DMT standard from a txt file + DEBUG('DMT Test 1'); + var request = new XMLHttpRequest(); + request.open('GET', 'DMT.txt', true); + request.send(null); + request.onreadystatechange = function () { + DEBUG('request.status:', request.status) + if (request.readyState === 4 && (request.status === 200 || request.status === 0)) { + DMT_List = $.csv.toObjects(request.responseText); + //DEBUG(CTA861); + } + } + DEBUG('Finished'); } @@ -1453,6 +1859,7 @@ function isFloat(num) { window.onpageshow = function() { generate_table('Interface Support', -1); LoadCTA861(); + LoadDMT(); $('#INPUT_HRES')[0].onchange(); $('#INPUT_VRES')[0].onchange(); $('#INPUT_F')[0].onchange(); diff --git a/bandwidth/index.html b/bandwidth/index.html index ae13edc..009cc95 100644 --- a/bandwidth/index.html +++ b/bandwidth/index.html @@ -50,11 +50,11 @@
- + ✕ - + @ - + Hz
@@ -165,7 +165,7 @@
- VIC: 218 +
@@ -210,20 +210,20 @@ - + (Odd) Vblank - -  px + +  px - -  px + +  px - -  px + +  px - - 0 px + + 0 px diff --git a/bandwidth/style.css b/bandwidth/style.css index 9feb42e..b8ae208 100644 --- a/bandwidth/style.css +++ b/bandwidth/style.css @@ -106,7 +106,7 @@ input.res_input { width: 48px; } input.freq_input { - width: 28px; + width: 40px; } input.color_depth_input { width: 25px;