TW526420B - Data upgrading method for display data channel of monitor - Google Patents

Data upgrading method for display data channel of monitor Download PDF

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Publication number
TW526420B
TW526420B TW90129605A TW90129605A TW526420B TW 526420 B TW526420 B TW 526420B TW 90129605 A TW90129605 A TW 90129605A TW 90129605 A TW90129605 A TW 90129605A TW 526420 B TW526420 B TW 526420B
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Taiwan
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data
ddc
display
item
computer
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TW90129605A
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Chinese (zh)
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Jia-Yang Lin
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Mitac Int Corp
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Abstract

The invention discloses a data upgrading method regarding the display data channel (DDC) of monitor, which goes through a video interface (such as a VGA port) via computer parallel port to connect with the data transmission IC provided by DDC of monitor, allowing to read or write to DDC data of the IC. The procedures of the invention include data initialization, DDC IC is entered with full duplex data transmission mode, enable procedures of the initialization condition, computer host issues a read/write command executing with respect to one address of memory in DDC IC, computer host waits for DDC IC to issue a green light signal, and computer host proceeds read or write action with respect to the DDC IC.

Description

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五、發明說明( 經濟部智慧財產局員工消費合作社印製 ()發明技術領域: 本毛明ίτ、為-種顯不器之顯示資料通道(DDC)之資料 更新方法’姻是對於使用電腦的並列蜂經由一視訊影像介 面(例如- VGA埠)連接至顯示器内之具有ddc功能之『的 育料更新方法。 (二)發明技術背景: 越來够的電關邊介面射以提供雜即聊ug and ay)㈣能’而顯邱(mGnitOT)本來是無法提供隨插隨用 的功犯的’不過近幾年也有提供此魏的周邊協定與相關的 料出現’使得顯示器也可以隨插即用了。通f要提供此功 旎的顯不器需透過顯示資料通道(DDc ; D邮㈣肠 Channel)之規範協定來與電腦端形成一資料通信規範,這個 腦的資料通信規範係由—視訊電氣標準協會(vesa ;Video Electron. Standards Assoc^on) „flJtT , 有修訂或新的版本問世,其主要是要將以往周邊只能以單方 向輸入或輸出之傳輸方式改變成以電腦系統為中心的雙向傳 輸方式,其將原先的訊號線上再加上兩條訊號線(sda、 SCL) SDA為條^料線負責傳輪顯示器内部之資料,sa 則為該SDA傳輸時的一個同步時脈,顯示器即利用此兩條信 號線以及DDC之規齡與電腦主觀成連線。 而該DDC的介面提供一種叫做ED ID (Extended Display Id_flcation Data)的資料儲存格式,或者是^1尺度適用中國國家標準(CNS)A4規格(210 X 29+ --一 --Γ ---I 1 I I I ·1111111 ^ «ΙΙΙΙΙΙ — — IAWI (請先閱讀背面之注意事項再填寫本頁) n n n n -n n n n n aim ·ϋ - 526420 A7 五、發明說明(>) 聰=也0 Dlsplay Inf〇_咖啊格式,並且是以這種形 =的二料格式將若干細H存在鞠示計的域體中。通 二=會提供支援此DDC協定的顯示11機種,其顯示器内 心有-個可執行DDC功能的IC負責_之讀,並且前 述之圮憶體也會設計在該IC内部。 以儲存在顯示器_資料通f係包域造細1資訊 不器的型號、ID C0de(Idemificat贿脑cV. Description of the invention (Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economy ()) Technical Field of the Invention: Ben Maoming, a data update method of the display data channel (DDC) of a kind of display device, is used for computers. The parallel bee is connected to a "feedstock update method with ddc function" in the display via a video image interface (for example, VGA port). (II) Technical background: More and more electricity is transmitted through the interface to provide chat and chat. ug and ay) ㈣can 'and mGnitOT was originally unable to provide plug-and-play power crimes, but in recent years, there have been peripheral agreements and related materials that provide this Wei ’, making the display plug-and-play used. The display device that provides this function needs to form a data communication specification with the computer through the standard protocol of the display data channel (DDc; D mail channel). This data communication specification of the brain is based on the video electrical standard. Association (vesa; Video Electron. Standards Assoc ^ on) "flJtT, there are revised or new versions come out, which are mainly to change the past peripheral only one-way input or output transmission mode to computer system-centric two-way Transmission method, which adds the original signal line and two signal lines (sda, SCL). SDA is a material line responsible for transmitting the data inside the wheel display, and sa is a synchronous clock when the SDA is transmitted. The display is The two signal lines and the age of the DDC are used to connect with the computer subjectively. The interface of the DDC provides a data storage format called ED ID (Extended Display Id_flcation Data), or the ^ 1 standard is applicable to the Chinese National Standard (CNS ) A4 specification (210 X 29+ ----- --- I 1 III · 1111111 ^ «ΙΙΙΙΙΙΙ — — IAWI (Please read the notes on the back before filling this page) nnnn -nnnnn aim · ϋ-526420 A7 V. Description of the invention (>) Satoshi = also 0 Dlsplay Inf0_Kaah format, and in this binary format, a number of fine H are stored in the domain of the indicator.Tongji = Will provide 11 models of display that support this DDC protocol. The display has an IC capable of performing DDC function in its display. _Read, and the aforementioned memory is also designed in the IC. Stored in display_DataCom f system model, ID C0de (Idemificat)

、電源管理的能力、顯示器的色彩顯示特性以 :曰::憤專等相關特性。並且隨著相關技術的演進,越來 =與資料型態也被要求儲存以EDID __ =、”、不②内’譬如是:^作特性參數、卫作或掃㈣率的限 制以及額外的相_間計數與色彩顯示特性料。而以ED 以之製造商而言,由於每發展_種新款 ’獅輸並且測試 ^=ρτ:=:::: 臂 =的研發測试流程會耗掉很多的時間與人力,並且對 ^重魏銲之麟也賴就造絲形 3=,測試流程之便利性與流暢性都會有所 於自動化的工作流程也是有所扞隔。 本紙張尺度過用中國國家標準, The ability of power management, the color display characteristics of the display: ::: An Zhuan and other related characteristics. And with the evolution of related technologies, more and more data types are also required to be stored with EDID __ =, ", not ②" such as: ^ operating characteristic parameters, restrictions on crop or sweep rate, and additional phase _ Count and color display characteristics. As for the manufacturer of ED, because every development of a new type of 'lion loses and tests ^ = ρτ: = ::::: arm = R & D testing process will consume a lot The time and manpower, and the heavy welding of Wei Weilin also depends on making a wire shape 3 =, the convenience and fluency of the test process will be somewhat automated, and the workflow is also separated. This paper has been used in accordance with Chinese national standards.

、·#訂---------線—▲ ί請先閱讀背面之注咅W事項再填寫本頁) >26420 經濟部智慧財產局員工消費合作社印製 A7 -—— B7 五、發明說明()) ~~-—一™——- (三)發明簡要說明: 本^月ί4、為解決上述習用技術之缺點所做的進一步改 本奴明之主要目的,係藉由一更新顯示器内部之DDC 1C 貧丁之方広使知對该DDC Ic資料作有效更新或取得,並透 駐發明之實施以縮短更新動作之時間流程與成本。本發明 H的,係藉由簡單線路之設計來實施本方法,而不需 要叹计複雜的硬體線路或外加的資料輪入裝置,藉以使用軟 體手段來達成本發明之目的與功效。 其中線路之連接,係利用電腦主機並列埠經由一視訊影 2;1面(例如VGA埠)接頭連接到顯示器内之執行DDC功 能之 IC,其中之訊號線(Vcc、SDA、SCL、GND、Vsync) 均為連接至該電腦並列埠、VGA介面以及〇〇(: ic均具有 相對應連接關係。 本發明係揭露一種顯示器之顯示資料通道(DDC ; Display Data Channel)資料之更新方法,實施本方法之流程 包括有下列步驟: a. 資料初始化之步驟; b. DDC 1C進入資料雙向傳輸之模式之步驟; c. 致能啟動條件(enabie start condition)之步驟; d·電月自主機送出一執行讀/寫命令以對該ddc ic内記憶 體之一位址(slave address)之步驟; e.電腦主機等待DDC 1C發出一認可(ackn〇wledgemem) 信號之步驟; f·電細主機對該DDCIC進行讀取(reacj)動作或者是寫 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ----------·------- 丨訂---------線» (請先閱讀背面之注意事項再填寫本頁) 526420 經濟部智慧財產局員工消費合作社印製 A7 五、發明說明(< ) 入(write)動作之步驟。 當電腦主機要讀取該DDC 1C内部資料時,則勃 下列之步驟: 、仃匕括 g.將一計數器做初始設定並開始計數之步驟; h ·電腦主機從DDC 1C接收到一個byte的資料之半職· 1·等待認可信號之步驟; 、… j·计數器數值增加1之步驟; k·判斷計數器之值是否大於所設定之最大值之步驟; 1.進行不致能啟動條件(disable start condition)之步驟。 當電腦主機要寫入資料至該DDC 1C内部時,則執行包 括下列之步驟: m·電腦主機送出一個字組位址到DDC:IC之步驟; η·電腦主機等待DDC 1C發出一認可(acknowledgement) 信號之步驟; 〇.電腦主機對DDC 1C傳送一個byte的資料之步驟; P.等待認可信號之步驟; q·停止起動條件之致能狀態之步驟; r.判斷是否繼續寫入資料之步驟; s·恢復起動條件之致能狀態之步驟; t·電腦主機送出下一個要寫入到該DDC 1C内記憶體位 址之步驟; u·等待一認可信號之步驟; V·寫入位址計數累加之步驟,本步驟表示將該寫入位址 予以計數並累加,並回到步驟m繼續執行本方法之資料寫入 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公t) 一 - -------0------- -訂---------線 ,·!1 (請先閱讀背面之注意事項再填寫本頁) 526420 A7 五、發明說明(I 動作流程。 (四)發明圖示說明: 圖一係本發明利用電腦並列埠與該DDC標準之1C連接之 電路示意圖。 係本發明之電腦主機端對顯示器端取得更新動作許可 之步驟流程圖之一較佳實施例。 係為本發明之主機端對顯示ϋ端讀取雜之步驟流程 圖之一較佳實施例。 係為本發明之主機端對顯示器端寫人資料之步驟流程 圖之一較佳實施例。 圖 圖 圖四 圖號說明 20 21 30 401 電腦主機並列埠 VGA介面接頭 VGA介面 DDCIC 422本發明方法之步驟 經濟部智慧財產局員工消費合作社印製 (五)發明詳細說明:本發明係揭露-種顯示器之顯示資料通道(ddc ; D1Splay Data Channel)協定之資料更新方法,係實施於藉由 電腦並列埠經由-視訊影像介_如—VGA埠)連接至顯示 器之提供DDC資料傳輸的1C,以對該忙内DDC f料做寫 U氏張尺度適用中國國家標準(CNS)A4規格(210 X 29?貧 (請先閱讀背面之注意事項再填寫本頁)、 ## --------- line— ▲ ί Please read the note on the back 咅 W and fill out this page) > 26420 Printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 ----- B7 5 2. Description of the invention ()) ~~ -—1 ™ ——- (3) Brief description of the invention: This month 44. The main purpose of further modifying Benming is to solve the shortcomings of the above-mentioned conventional technologies. The poor DDC 1C inside the display knows how to effectively update or obtain the DDC Ic data, and through the implementation of the invention to shorten the time flow and cost of the update action. The present invention H implements the method through the design of a simple circuit, without the need for complicated hardware circuits or additional data rotation devices, so as to use software to achieve the purpose and effect of the invention. The connection of the lines is to use the parallel port of the host computer to connect to the IC that performs the DDC function through a video 2 (1) (such as VGA port) connector, and the signal lines (Vcc, SDA, SCL, GND, Vsync) ) Are connected to the parallel port of the computer, VGA interface, and 〇 (: ic) have a corresponding connection relationship. The present invention discloses a method for updating the display data channel (DDC; Display Data Channel) data of a display, and implements this method The process includes the following steps: a. Data initialization step; b. DDC 1C step into the two-way data transmission mode; c. Steps to enable the enabie start condition; d · Electric month sends an execution from the host A read / write command to the slave address of the ddc ic; e. A step in which the host computer waits for the DDC 1C to send an acknowledgement (acknowledgemem) signal; f. An electronic host to the DDCIC Read (reacj) or write the paper size to the Chinese National Standard (CNS) A4 (210 X 297 mm) ---------- · ------- 丨 order- ------- line »(Please read the back Please fill in this page again for the matters needing attention) 526420 Printed A7 by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs V. The steps of writing (&) the invention. When the host computer wants to read the internal data of the DDC 1C, The following steps: Steps to set an initial counter and start counting; h · Half-time job of receiving a byte of data from DDC 1C by the host computer; 1. Steps of waiting for the approval signal; · The step of increasing the counter value by 1; k · The step of judging whether the value of the counter is greater than the set maximum value; 1. The step of disabling the start condition (disable start condition). When the host computer is to write data to the When the DDC 1C is internal, the execution includes the following steps: m. Step of the computer host sending a block address to the DDC: IC; η. Step of the computer host waiting for the DDC 1C to send an acknowledgement signal; 〇. Computer host The step of transmitting one byte of data to DDC 1C; the step of waiting for the approval signal; the step of stopping the enabling condition of the starting condition; the step of judging whether to continue writing the data S · Steps to restore the enabling status of the starting conditions; t · The computer host sends the next step to be written to the memory address in the DDC 1C; u · The step to wait for an approval signal; V · Write address count Accumulation step. This step means to count and accumulate the write address, and return to step m to continue to execute the data of this method. The paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm). I -------- 0 ------- -Order --------- line, ·! 1 (Please read the notes on the back before filling this page) 526420 A7 V.发明 描述 (I operation flow. (IV) Illustration of the invention: Figure 1 is a schematic circuit diagram of the present invention using a computer parallel port to connect to the 1C of the DDC standard. It is a preferred embodiment of the flowchart of the steps of obtaining the update action permission from the host computer to the display terminal of the present invention. This is a preferred embodiment of the flow chart of the steps of reading from the host side to the display side of the present invention. This is a preferred embodiment of the flowchart of the steps of writing personal data from the host to the display of the present invention. Figure Figure Figure Four Figure Number Description 20 21 30 401 Parallel port of computer host VGA interface connector VGA interface DDCIC 422 Steps of the method of the present invention Printed by the Consumers ’Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs (5) Detailed description of the invention: The invention is disclosed The data updating method of the display data channel (ddc; D1Splay Data Channel) protocol of the display is implemented on the 1C that provides DDC data transmission through the parallel port of the computer via the video image interface such as the VGA port. The DDC f material in this busy time is written in U-scale. It is applicable to the Chinese National Standard (CNS) A4 specification (210 X 29? Poor (please read the precautions on the back before filling this page)

526420 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(6 ) 入或讀取之方法。 由於支援DDC 1C <資料讀寫需透過;[2C( Inter-Integrated Circuit)的bus來連接,藉由I2C bus之通信協定以及硬體線 路之設置來達成EDD3型式資料之傳輸。而要實現nc bus 需使用到4條訊號線(Vcc、SDA、SCL、GND),故可利 用電腦主機上的並列埠來提供多餘腳位以連接該4條信號 線,並且介於並列埠與顯示器間係藉由VGA埠來連接。 請參閱圖一,係本發明利用電腦並列埠與該DDC標準 之1C連接之電路示意圖。如圖一所示,一電腦主機並列埠J 係透過VGA介面接頭20、21連接到顯示器3内之DDC處 理之 1C 30,其中之訊號線(Vcc、SDA、SCL、GND、Vsyn〇 均為相對應連接關係。其中該電腦主機之並列埠丨係可為 D-Type 25 Pm之規格,或者亦可為centronics 34 pin規格者, 在本實施例而言,可選擇其中一條具雙向傳輸之腳位來連接 到該VGA介面接頭20之SDA接腳,並選擇2條輸出腳位 連接到該VGA介面接頭20之Vcc以及SCL腳位,再者可 逛擇一接地腳位連接到該VGA介面接頭20之GND腳位。 其中該VGA介面接頭20係可為15之標準接頭 或者是可利用數位視訊介面(DVI ; Digital Vlde〇 Interface) 接頭代替之。再者VGA介面21係相對該VGA介面接頭20 作各種信號線(Vcc ' SDA、SCL、GND、Vsync)之相對連 接,並且係透過若干電阻電容等元件後連接至該DDC 1C 3〇,由圖一中可見其各信號線(Vcc、SDA、SCL·、GND、 Vsync)之相對連接關係。 参紙張尺度翻“ (CNS)A4 x 297公釐) (請先閱讀背面之注意事項再填寫本頁) #'1 * d I H I I I I I I n n I n n n ϋ I I J- I I I Ί I I I n I I I I - A7526420 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the Invention (6) How to enter or read it. As the DDC 1C is supported, data reading and writing needs to be connected through the [2C (Inter-Integrated Circuit) bus, and the EDD3 type data transmission is achieved through the communication protocol of the I2C bus and the setting of the hardware line. In order to realize the nc bus, 4 signal lines (Vcc, SDA, SCL, GND) are used. Therefore, the parallel port on the host computer can be used to provide extra pins to connect the 4 signal lines. The monitors are connected via a VGA port. Please refer to FIG. 1, which is a schematic circuit diagram of the present invention using a computer parallel port to connect to the 1C of the DDC standard. As shown in Figure 1, a parallel port J of a host computer is connected to the DDC processed 1C 30 in the display 3 through the VGA interface connectors 20 and 21, and the signal lines (Vcc, SDA, SCL, GND, and Vsyn. Corresponding connection relationship. The parallel port of the host computer can be a D-Type 25 Pm specification, or a centronics 34 pin specification. In this embodiment, one of the pins with bidirectional transmission can be selected. To connect to the SDA pin of the VGA interface connector 20, and select 2 output pins to connect to the Vcc and SCL pins of the VGA interface connector 20, and then select a ground pin to connect to the VGA interface connector 20 GND pin. Among them, the VGA interface connector 20 can be a standard connector of 15 or can be replaced by a digital video interface (DVI; Digital Vlde〇Interface) connector. Furthermore, the VGA interface 21 is made relative to the VGA interface connector 20. The relative connection of various signal lines (Vcc 'SDA, SCL, GND, Vsync), and is connected to the DDC 1C 30 through several resistance capacitors and other components. The signal lines (Vcc, SDA, SCL) can be seen in Figure 1. (, GND, Vsync) The connection relationship reference paper scale turn "(CNS) A4 x 297 mm) (Read precautions rear surface of the re-fill page) # '1 * d I H I I I I I I n n I n n n ϋ I I J- I I I Ί I I I n I I I I - A7

526420526420

五、發明說明I 新動二本發明之電腦主機端對_端取得更 -電m 賴之—較时糊。本發暇藉由在 仃—更新之DDC規格資料之方法以對顯示 益内之1存DDC資料之IC予以更新該ddc資料,藉由 該€腦糸統端之並列埠之若干個適當聊位連接—VGA璋, =再、’十t VGA埠連接至賴示糾。其巾本發明方法不 ^可以ΐ取縣儲存於咖IC内之資_檢查現存DDC 1C内之資料是否為較佳,再者亦可對ddc忙進行資料之更 咖冗進行-寫入資料之動作,並且在該寫入資 科動作後,亦可再實施前述之讀取動細驗證所寫入資料是 否為正確,本發明方法之步驟如下所述·· a. 資料初始化之步驟4〇1 ; b. DDC 1C進入資料雙向傳輸之模式之步驟4〇2,本步驟 係使顯示器内之DDC 1C進入可與電腦主機進行雙向 溝通資料傳輸之模式; C.致能啟動條件(enable start condlti〇n)之步驟4〇3,本步 驟係使該顯示器以及電腦主機間建立資料傳輸模式^ 若干啟動條件予以致能; d.電腦主機送出一執行讀/寫命令到該DDC忙内記憶體 之步驟404,本步驟係指該電腦主機係送出一個要執 行讀/寫命令之DDC内記憶體位址到該DDC IC,以對 该DDC 1C内之記憶體之某列位址之資料進行寫入戈 讀取之動作,其中該命令可以是要讀取Ddc κ:内部 之指令之讀取(read)信號,或者是要將更新資料寫入該 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 11—--------^--------- (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 五 _____I 經濟部智慧財產局員工消費合作社印製 526420 A7 發明說明(f7 ——--— DDCK:内部之指令之“(wnte_; e·電腦主機等待DDCIC發出一認可() 信,之步驟405,本步驟係指DDC 1C接受到主機送 出W寫命令後隨即進行内部處理之動作,並在一段時 間之處理後發出-認可信號給主機端; f·電腦主敵到認可信驗,即觸DDC行讀取資 料(read)動作或者是寫入(write)資料動作之步驟 406 〇 明參閱圖二,係為本發明之主機端對顯示器端讀取資料 之步驟机耘圖之一較佳實施例。如果電腦主機是要讀取該 DDC 1C内部資料並獲得DDCIC認可信號者,則執行下列之 g步驟407至1步驟412,所述步驟如下: g.將一計數器做初始設定並開始計數之步驟4〇7,本步驟 係在有關資料傳送之一計數器做初始值設定,並且計 數器開始進行計數動作(初始值可設定為〇),其中並且 設定一計數最大值(例如為128或250或是其他值), 該計數最大值之設定係以該DDC資料型態之最多容 里’目别常見的即是128或256 bytes ; h·電腦主機從DDC IC讀取到一個byte的資料之步驟 408 ’本步驟係指電腦主機已經開始從DDC 1C讀取 到資料’並且是以1個byte為單位來傳送; 1·電腦主機接收DDC 1C認可信號之步驟409,本步驟係 指電腦主機從DDC 1C接收到前述一個byte的資料 後,會再等待DDC 1C傳送另一個認可信號,電腦主 本紙張尺度適用中國國家標準(CNS)A4規格(21〇 X 297公釐 ------------- (請先閱讀背面之注意事項再填寫本頁) 訂--------- -ft— I 1_1 1 ai 1· < 526420 A7 B7 五、發明說明(I ) 機在彳4*到該認可信號後,方可進行下一個byte資料之 Ϊ買取; 請 先 閱_ 讀 背 Sj - j·計數器數值增加1之步驟410,係表示電腦主機已經從 DDC 1C讀取到一個byte之資料,因此把計數器值增 加1,以表示已經讀取一個]3yte之資料; k·判斷計數器之值是否大於所設定之最大值之步驟411; 1.對該啟動條件(start condition)進行不致能(disable)之 步驟412 ; 口口其中對於該k步驟之判斷,若計數器之值不大於該計數 器所設定之最大值,則回到步驟娜繼續執行讀取下一 _ 設定之最大值,則進行不致能該啟 t = Γ e°ndltIGn)412之步驟,表示對於該筆資料 bty邮經全部讀取完畢,則停止本方 例V. Description of the invention I New action II The computer host of the present invention obtains more power from end to end-electricity m depends-more time-consuming. This update uses the method of updating the DDC specification data to update the ddc data of the IC that stores the DDC data in the display, and by using the appropriate parallel chat ports in the parallel port of the brain system Connect—VGA 璋, = ', t ten VGA port is connected to Lai Shijiao. The method of the present invention can not capture the assets stored in the coffee IC by the county _ check whether the existing data in the DDC 1C is better, and also can perform more redundant data on the ddc busy-write data Operation, and after the writing asset operation, the foregoing reading operation can be implemented to verify whether the written data is correct. The steps of the method of the present invention are as follows: a. Step 4 of data initialization b. Step 4 of DDC 1C entering the two-way data transmission mode. This step is to enable the DDC 1C in the display to enter the two-way communication data transmission mode with the host computer. C. Enable start condlti n) Step 403. This step is to enable the data transmission mode between the display and the host computer. ^ A number of activation conditions are enabled. d. The host computer sends a read / write command to the DDC internal memory. 404. This step means that the host computer sends a memory address in the DDC to execute the read / write command to the DDC IC to write and read the data of a certain row address of the memory in the DDC 1C. Take action, where The command can be to read the Ddc κ: the internal read signal, or to write the updated data into this paper. The size of the paper applies to the Chinese National Standard (CNS) A4 specification (210 X 297 mm). 11— -------- ^ --------- (Please read the notes on the back before filling out this page) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs _____I Employees of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by Consumer Cooperative 526420 A7 Description of Invention (f7 —————— DDCK: Internal Command "(wnte_; e · The host computer waits for DDCIC to issue an approval () letter, step 405, this step refers to DDC 1C received After the host sends the W write command, it will perform the internal processing immediately, and send a -recognition signal to the host after processing for a period of time; f. The host computer of the computer reaches the recognition test, and then touches the DDC line to read the data (read) action or It is a step 406 of writing data (refer to FIG. 2), which is a preferred embodiment of the step-by-step diagram of the step of reading data from the host to the display of the present invention. If the host of the computer is to read the DDC 1C internal information and DDCIC approved signal Then perform the following steps 407 to 1 412, the steps are as follows: g. Initialize a counter and start counting step 407. This step is to set the initial value of the counter in one of the relevant data transmission, and The counter starts the counting operation (the initial value can be set to 0), and a counting maximum value (such as 128 or 250 or other values) is set. The setting of the counting maximum value is based on the maximum capacity of the DDC data type. 'The most common item is 128 or 256 bytes; h. Step 408 when the host computer reads a byte of data from the DDC IC.' This step means that the host computer has started reading data from DDC 1C. ' Each byte is used for transmission; 1. The host computer receives step D409 of the DDC 1C approval signal. This step means that the host computer waits for the DDC 1C to transmit another approval signal after receiving the one-byte data from the DDC 1C. The main paper size is applicable to the Chinese National Standard (CNS) A4 specification (21〇X 297 mm ------------- (Please read the precautions on the back before filling this page) Order --- ------ -ft— I 1_1 1 ai 1 · < 526420 A7 B7 V. Description of the Invention (I) The machine can only buy the next byte of data after the 4 * approval signal is received; please read _ Read back Sj-j. The counter value increases by 1 410 indicates that the host computer has read one byte of data from DDC 1C, so the counter value is increased by 1 to indicate that one has been read] 3yte data; k · Judging whether the value of the counter is greater than the set maximum value Step 411; 1. Disable step 412 of the start condition; disable the judgment of the k step, if the value of the counter is not greater than the maximum value set by the counter, return to Step Na continues to read the maximum value of the next _ setting, then the step of disabling the enabling t = Γ e ° ndltIGn) 412 is performed, which means that all the bty mails have been read for this data, then this example is stopped.

St最竭128,則目前之計數值為1並不二 取大值128,則繼續執行步驟408。 經由前述有關從DDC IC讀敗 線 ##408 ^^411 或者是可計數判斷資料讀取是否完畢乂、^〜個_, 電腦主機從DDC IC接收到„個_ _前述之h.步驟係 傳送資料之byte數並不以】個㈣^抖之步驟,其中所 亦可設計成一次讀取若干個byte數而党限制,設計者 數值增加之數目則要相對的做佟,§然在』步驟之計數器 值。 <文,-次可能要累加若干個 請參閱圖四’係為本發明 主機端對顯示器端寫入資料 本紙張5適用中關家標準 526420 經濟部智慧財產局員工消費合作社印製 A7 — ....... " " 1 _-丨_ —. — . - ------------ ’ 五、發明說明((” 之步驟流糊之—較佳實施例。而在前述圖二中之f步驟執 行心後’如果電腦主機是要寫入資料至該DDC iC内部,並 獲得DDC 1C認可信號者,則執行下列之步驟413至步驟 422,所述步驟如下: m.電腦主機送出一個字組位址到DDC IC之步驟413, 本步驟係指電腦主機端將所要寫入到該DDC 1C内之 之子組之儲存位址傳送給DDC 1C,表示要該更新 資料係要儲存在該位址内; η.電腦主機接受DDC IC發出一認可(ackn〇wledgemen〇 信號之步驟414,本步驟係指DDC 1C接受到主機送 出寫入命令後隨即進行内部處理之動作,並在一段時 間之處理後發出一認可信號給主機端; 〇· -¾¾主機對DDC 1C寫入一個byte的資料之步驟415, 本步驟係指電腦主機已經開始對DDC 1C寫入更新資 料,並且是以1個byte為單位來傳送,此步驟亦表示 該DDC 1C開始接受資料之更新; P·電腦主機等待認可信號之步驟416,本步驟係指電腦主 機對DDC 1C寫入一個byte的資料之步驟後,會再等 待DDC 1C傳送另一個認可信號,並且電腦主機在得 到該認可信號後,方可進行下一個byte資料之傳送, 以繼續進行寫入資料之動作; q.對該起動條件予以不致能狀態之步驟417,亦即是將啟 動條件變成為不致能狀態,此時暫停寫入資料之動作; Γ•判斷是否繼續對DDC 1C寫入資料之步驟418,此步驟 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) ----,---.------#丨| (請先閱讀背面之注JJL思事項再填寫本頁} 訂---------線1滅 526420 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 A7 B7 五、發明說明(丨I ) 可由使用者視寫入資料之更新狀態,來決定是否繼續 執行寫入動作,若要停止寫入動作,則在停止寫入動 作之後結束本方法;若要繼續寫入資料之動作,則往 下一步驟進行之; s·恢復起動條件之致能狀態之步驟419,本步驟係指從p 步驟之啟動條件破變成為不致能狀態將其恢復為致能 狀態,此時又恢復主機可寫入更新資料到該〇]〇(:1(: 内之功能; t電腦主機送出下一個要寫入到該DDC IC内記憶體位 址之步驟420,本步驟係指電腦主機端將所要寫入到 該DDC 1C内之下-個記憶體内之位址傳送給DDC 1C,表示要將更新資料送到該位址内予以載入; u·電腦主機接受-認可信號之步驟421,本步驟係指電腦 主機對DDC IC傳送一寫入記憶體位址後,會再等待 DDC 1C傳送另-個藏可號,並在得到該認可信號 後進行下一動作; V.位址計數累加之步驟似,本步驟表示將該寫入位址予 以計數並累加’並回到步驟413繼續執行本方法之資 料寫入動作流程。 、 —其中刚麟於每次要寫人更新資制該DDCIC並不 以每次只能寫入-個位址而限制,事實上設計者亦可指定 一次要載入若干個位址的資料内容。 綜上所述,本發明之優點可歸納如下: 1.增加顯示器及相關軟硬設計之研發速度。 1本紙張尺度適用f關⑽x ·!;------·---- (請先閱讀背面之注意事項再填寫本頁) 訂---------線 526420 A7 πτι,·_,_"-_iu—— I B/ 五、發明說明(/>) 2·使得對DDC資料内容之更新更具有彈性。 3. 簡化對該DDCuc之資料輸入流程,省卻重複燒鮮之動 作。 4. 防止因_ 1C之燒銲而造成_ IC之她或破壞。 5. 無須特硬體設置或燒錄裝置,僅簡單之線路或 跳線即可實施本方法以達成對該1C燒入資料之目的。 j經由上述較佳實施例之揭露,本發明之設計確可提 該顯示器中DDC 1C資料之更新或讀取之效率,並可對^用 技術之缺失作改良並具有特殊之功效。藉由上面所述,^ 明之結構特徵及各實施例皆已詳細揭示,充分顯示出本^ 案在目的妨效上均深富實施之進步性,極具產業之彻價 值’且為目前市面上前所未見之運用,依專利法之精神所述貝, 本發明案完全符合發明專利之要件。 唯以上所述者,鶴本發明讀佳實酬而已,者 用來限定本發明所實施之範圍。即大凡依本發明申請:利^ 圍所作之均等變化與修飾,皆應仍屬於本發明專利涵芸^ 圍内,謹請貴審查委員明鑑,並祈惠准,是所至禱:軏 ---------------------^---------^ (請先閱讀背面之注音?事項再填寫本頁} 經濟部智慧財產局員工消費合作社印製 適 度 尺 張 一紙一本 釐 公 97 2 X 10 2|i ί規 Α4 IS) Ν (C 準 標 家If the maximum value of St is 128, the current count value is 1 and the maximum value is 128. If the maximum value is 128, continue to step 408. According to the above-mentioned reading from the DDC IC ## 408 ^^ 411 or a countable judgment to determine whether the reading of the data has been completed 乂, ^ ~ _, the host computer receives from the DDC IC „_ _ _ the aforementioned h. The steps are transmitted The number of bytes of data is not a step of 抖 ^^, which can also be designed to read several bytes at a time and the party is limited. The number of designers increasing the value should be done relatively, § in the "step" ≪ text,-may accumulate several times. Please refer to Figure 4. 'This is the data written by the host side to the display side of the present invention. This paper 5 applies the Zhongguanjia standard 526420. Intellectual Property Bureau of the Ministry of Economic Affairs. System A7 — ....... " " 1 _- 丨 _ —. —.------------- 'V. Description of the invention The preferred embodiment. After performing the f step in the aforementioned FIG. 2 'if the host computer is to write data into the DDC iC and obtain a DDC 1C approval signal, perform the following steps 413 to 422, The steps are as follows: m. Step 413 of the host computer sending a block address to the DDC IC. The step means that the host computer side sends the storage address of the subgroup to be written to the DDC 1C to the DDC 1C, which means that the updated data is to be stored in the address; η. The host computer accepts the DDC IC to issue a Approval (ackn〇wledgemen〇 signal step 414, this step refers to the DDC 1C after receiving the host to send a write command, and then perform internal processing, and after a period of processing, send an approval signal to the host; 〇 ·- Step 415, the host writes a byte of data to DDC 1C. This step means that the host computer has started to write updated data to DDC 1C, and it is transmitted in 1 byte units. This step also indicates that the DDC 1C starts. Accept the update of the data; P · The host computer waits for the approval signal step 416. This step refers to the step where the host computer writes a byte of data to the DDC 1C, it will wait for the DDC 1C to send another approval signal, and the host computer is in After receiving the approval signal, the next byte of data can be transmitted to continue the operation of writing data; q. Step 417 of disabling the starting condition, That is, the activation condition is changed to a disabled state, and the action of writing data is suspended at this time; Γ • Step 418 of judging whether to continue writing data to DDC 1C, this step applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) ----, ---.------ # 丨 | (Please read the note on the back JJL thoughts before filling out this page} Order --------- Line 1 off 526420 Printed by A7 B7, Consumer Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (丨 I) The user can decide whether to continue the writing operation depending on the update status of the written data, and to stop the writing operation , Then stop the method after stopping the writing action; if you want to continue the data writing action, proceed to the next step; s · Step 419 of restoring the enabling state of the starting condition, this step refers to the step p The startup condition is broken into an incapable state and restored to an enabled state. At this time, the host can write the update data to the 〇] 〇 (: 1 (:) function; the computer host sends the next to be written to Step 420 of the memory address in the DDC IC, this step is The host computer side sends the address to be written into the DDC 1C to a memory in the DDC 1C, which means that the update data will be sent to the address for loading; u · The host computer accepts the approval signal Step 421, this step means that the host computer will send a write memory address to the DDC IC, and then wait for DDC 1C to transmit another Tibetan number, and perform the next action after receiving the approval signal; V. bit The step of accumulating the address count is similar. This step means counting and accumulating the write address, and returning to step 413 to continue the data writing operation flow of the method. -Among them, Gang Lin updated the capital of the writer every time. The DDCIC is not limited to only writing to one address at a time. In fact, the designer can also specify the data content of several addresses to be loaded at one time. . In summary, the advantages of the present invention can be summarized as follows: 1. Increase the R & D speed of displays and related hardware and software designs. 1 This paper size applies to f⑽⑽x !!; ------ · ---- (Please read the notes on the back before filling this page) Order --------- line 526420 A7 πτι, · _ , _ &Quot; -_ iu—— IB / V. Invention Description (/ >) 2. Make the update of DDC data content more flexible. 3. Simplify the data entry process for this DDCuc, eliminating the need for repeated cooking. 4. Prevent _ IC from being damaged by _ 1C soldering. 5. No special hardware is required to set up or burn the device. Only a simple line or jumper can be used to implement this method to achieve the purpose of burning data into the 1C. According to the disclosure of the above preferred embodiments, the design of the present invention can indeed improve the efficiency of updating or reading the DDC 1C data in the display, and can improve the lack of useful technology and have special effects. Based on the above, the structural features of the Ming Dynasty and the various embodiments have been disclosed in detail, which fully shows that this project has a rich and progressive implementation in terms of purpose and effectiveness, and has great industrial value. It is currently on the market For applications not seen before, as described in the spirit of the Patent Law, the present invention fully complies with the requirements of an invention patent. Only the above-mentioned ones, the present invention is only good for real rewards, which is used to limit the scope of implementation of the present invention. That is, everyone who applies according to the present invention: the equal changes and modifications made by Li Wei should still fall within the scope of the patent of the present invention. I would like to ask your reviewing committee to make a clear reference and pray for your approval: 軏- ------------------- ^ --------- ^ (Please read the note on the back? Matters before filling out this page} Employees, Bureau of Intellectual Property, Ministry of Economic Affairs Consumption cooperative prints modest piece of paper, one paper, one centimeter 97 2 X 10 2 | i ί Α4 IS) Ν (C Standard bidder

Claims (1)

526420 B8 C8 D8 、申請專利範圍 一 1·一種顯示器之顯示資料通道(DisplayDataChannel ; dDC) 協定之資料更新方法,係藉由-電腦主機並列埠以及〆祝 面,連接該顯示器内之一可執行DDC協定之 DDC裝置,其步驟係包括有: a·資料初始化; b.該DDC裝置與該電腦主機進入資料雙向傳輸之狀態; C·5亥電腦主機送出一執行讀/寫命令至該DDC裝置; d·該電腦主機接受該DDC裝置發出一認可信號; e.電腦主機㈣認可信驗,_ D]X奸妨讀取或 寫入資料動作。 、 2·如申請翻翻第1顿狀顯·之顯讀料通道協定 =^更新方法,其中所述該電腦域並列埠、該減影 0面以及销示器間係以KC介面協定連接者。 1 ^狀齡1级讀贿道協定 ==:述之步驟b 啟動條件 經濟部智慧財產局員工消費合作社印製 4+如之叙齡紅__通道協定 哲人^去、、中所述之步驟c包括電腦主機送出-仃嗔”…P令以對該DDC IC内記 add_執行讀/寫命令之動作。 細 之申帛1撕狀顯轉之顯㈣料通道協定 進行讀取資t作其中所述之步驟^為對該D D C裝置 、枓動作,則更包括有下列步驟: 本紙張尺度適 (210y97公釐) ---------装 π#先stt背面之泫意事項存填寫本買) 線 526420 B8 C8 D8 申請專利範圍 fi.將一計數器做初始設定並開始 β·該電腦主機從該DDC裝置讀取資料; β.該電腦域接受該DDC裝置發出之—認可信镜; f4.該計數器執行計數; 色崎該計妓之值是否大於1先奴之計數最大 值’右该計數器之值不大於該計數最大值,則執行^ 步驟;若該計數器之值係大於該計數最大值則^ 更新方法。 $ 6·如=專利範圍第5項所述之顯示器之顯示資料通道 之貝料更新方法,其中所述之η步驟係可設定該計數器 初始計數值以及一計數最大值。 7·如申請翻麵第6項所述之顯轉之顯示龍通道 之育料更财法,其巾所述之計數最大值可為⑶。 8. 如申請翻第6項所述之顯示器之顯示㈣通道細 之資料更新方法,其中所述之計數最大值可為Μ6。 9. 如申 =專利範圍第5項所述之顯示器之顯示資料通道⑽ 之資料更新方法,其中所述之β步驟之讀取資料單 個byte 〇 … 經濟部智慧財產局員工消費合作社印製 10·如申明專利朗第5項所述之顯示器之顯示資料通道協^ 之資料更新方法,其中所述之f4步驟之計數器執行計 將該計數值加1。 11.如=請專植圍第5項所述之顯轉之顯示㈣通道心 之資料更新方法,其中所述之β步驟中結束該更新方法卡 指包括對於一啟動條件(start condition)予以不致能。 526420 六、申請專利範圍 〜 12如申,專利範圍帛1項所述之顯示器之顯示資料通道協定 之賓4更新方法,其中所述之步驟e若為對該1)1:) c裝置 進行寫入資料動作,則更包括有下列步驟: g1·該電腦主機送出一寫入資料之位址到該DDC裝置; g2·該電腦主機接受該DDC裝置所發出之 一認可信號; §3.該電腦主機傳送更新資料到該DDC裝置; g4.該電腦主機等待該DDC裝置發出另一認可信號; g5·判斷是否繼續寫入資料,若否則結束該更新方法,若 是則繼續下一步驟; g6.該電腦主機送出下一個寫入位址; §7.該電腦主機等待該DDC裝置之一認可信號; g8·寫入位址累加,並回到步驟gl繼續執行該方法。 13·如申%專利範圍第12項所述之顯示器之顯示資料通道協 定之資料更新方法,其中g3步驟所述之更新資料之傳送係 以1個byte為單位。 經濟部智慧財產局員工消費合作社印製 ---------^ (請先閱讀背面之注意事項再填寫本頁) 線 14. 如申請專利範圍第12項所述之顯示器之顯示資料通道協 定之資料之更新方法,其中所述之g4步驟之後係更包括一 將該啟動條件予以不致能之步驟。 15. 如申睛專利範圍第12項所述之顯示器之顯示資料通道協 定之資料更新方法,其中所述之g5步驟中,在要繼續執行 寫入資料之動作後,更包括有一對該啟動條件恢復致能之 動作。 16·如申請專利範圍第1項所述之顯示器之顯示資料通道協定 之資料更新方法,其中所述之DDC裝置係為一積體電路 本紙張尺度適用十國(21^ 526420 B8 C8 D8 申請專利範圍 (Integrated Circuit ; IC) ---------裝*1 (請先閱讀背面之注'意事項再填寫本頁) 、言 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準(CNS ) A4規格(526420 B8 C8 D8, patent application scope 1 · A display data channel (DisplayDataChannel; dDC) protocol data update method, through a computer host parallel port and a happy birthday, one of the displays can be connected to execute DDC The agreed DDC device includes the following steps: a. Data initialization; b. The DDC device and the host computer enter a state of bidirectional data transmission; the C. 5H host computer sends a read / write command to the DDC device; d. The host computer accepts an approval signal from the DDC device; e. The host computer confirms the letter of approval, _ D] X can read or write data. 2. If you apply to turn over the first reading display protocol of the display material channel protocol = ^ update method, where the computer domain parallel port, the subtraction 0 surface, and the display device are connected by KC interface agreement . 1 ^ Senior level 1 reading bribery agreement ==: Steps described b Start conditions Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 4+ As described in Xu Lingling __ Channel Agreement c Includes the computer host sends-仃 嗔 "... P order to execute the read / write command on the add_ in the DDC IC. The details of the application are as follows: 1. Read the data channel agreement of the tear-up display. The steps described therein are for the operation of the DDC device, and include the following steps: The paper size is appropriate (210y97mm) --------- 装 π # 先 stt on the back Save and fill in this purchase) line 526420 B8 C8 D8 patent application scope fi. Initially set a counter and start β. The computer host reads data from the DDC device; β. The computer domain accepts the DDC device—recognition letter F4. The counter performs counting; Is the value of the counter of Sakizaki greater than 1? The maximum value of the counter slave's right The value of the counter is not greater than the maximum value of the counter, then the step ^ is performed; if the value of the counter is greater than The maximum value of the count is ^ Update method. $ 6 · 如 = Patent Range The method for updating the display material of the display data channel of the item described in item 5, wherein said step η can set the initial count value and a maximum value of the counter. 7. The display conversion as described in item 6 of the application In the method of displaying more wealth through the display of the dragon channel, the maximum value of the count described in the towel may be ⑶. 8. As described in the application, the method of updating the display and channel details of the display described in item 6 above, where the count is described The maximum value can be M6. 9. As claimed = the data update method of the display data channel of the display as described in item 5 of the patent scope, where the single step of reading the data in step β is 〇 ... employee of the Intellectual Property Bureau of the Ministry of Economic Affairs Printed by the consumer cooperative 10. The data updating method of the display data channel association of the display as described in Item 5 of the stated patent, wherein the counter execution step of step f4 described above adds 1 to the count value. 11. If = please The method for updating the data of the display and channel of the heart that is specifically described in item 5 above, wherein the method of ending the update step in the β step refers to disabling a start condition. 6420 VI. Application scope of patent ~ 12 As applied, the method of updating display data channel agreement guest 4 described in item 1 of patent scope, where step e described above is for writing 1) 1) c device The data input operation further includes the following steps: g1. The computer host sends an address for writing data to the DDC device; g2. The computer host accepts an approval signal from the DDC device; §3. The computer The host sends updated data to the DDC device; g4. The computer host waits for another approval signal from the DDC device; g5. Determines whether to continue writing data, if not, ends the update method, and if so, proceeds to the next step; g6. The host computer sends the next write address; §7. The host computer waits for an approval signal from the DDC device; g8. The write address accumulates and returns to step gl to continue the method. 13. The data updating method of the display data channel agreement of the display device as described in item 12 of the patent scope, wherein the transmission of the update data described in step g3 is in units of 1 byte. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs --------- ^ (Please read the precautions on the back before filling this page) Line 14. Display information of the display as described in item 12 of the scope of patent application The method of updating the channel agreement information, after the step g4 mentioned above, further includes a step of disabling the activation condition. 15. The data updating method of the display data channel agreement of the display device as described in item 12 of the Shenyan patent scope, wherein in the step g5 described above, after the operation of writing data is continued, a starting condition is further included. Reinstate enabling action. 16. The data updating method for the display data channel agreement of the display device as described in item 1 of the scope of the patent application, wherein the DDC device is an integrated circuit. The paper is applicable to ten countries (21 ^ 526420 B8 C8 D8 for patent application) Scope (Integrated Circuit; IC) --------- Installation * 1 (Please read the note on the back, 'Implementation matters, and then fill out this page), the Ministry of Economic Affairs, Intellectual Property Bureau, Employee Consumer Cooperatives printed this paper, the standard applies China National Standard (CNS) A4 Specification (
TW90129605A 2001-11-30 2001-11-30 Data upgrading method for display data channel of monitor TW526420B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1313940C (en) * 2003-07-15 2007-05-02 明基电通股份有限公司 Method for transmitting display data
US7725916B2 (en) 2003-07-14 2010-05-25 Panasonic Corporation Signal switching device, signal distribution device, display device, and signal transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7725916B2 (en) 2003-07-14 2010-05-25 Panasonic Corporation Signal switching device, signal distribution device, display device, and signal transmission system
CN1313940C (en) * 2003-07-15 2007-05-02 明基电通股份有限公司 Method for transmitting display data

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