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< div class = "date inPage" > 16 May 2025< / div > < div style = "color: gray;" >
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< p class = "- topic/p p" data-ofbid = "d190068e28__20250519091526" > 在显示驱动中，< code class = "+ topic/ph pr-d/codeph ph codeph" > disp_conf.h< / code > 头文件用于配置显示接口的宏定义。引入 < code class = "+ topic/ph pr-d/codeph ph codeph" > disp_conf.h< / code >
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头文件是为了避免 menuconfig 参数过多导致误改。这部分参数可方便 PCB layout
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走线，配置有误会导致显示异常。推荐在硬件工程师的确认下，结合芯片手册进行修改。< / p >
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< p class = "- topic/p p" data-ofbid = "d190068e37__20250519091526" > 本节介绍了常见的 < a class = "- topic/xref xref" href = "disp_conf_h.html#id__section_b53_vcx_ddc" > LVDS< / a >
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和 < a class = "- topic/xref xref" href = "disp_conf_h.html#id__section_iwq_vcx_ddc" > MIPI-DSI< / a >
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参数及其配置。< / p >
< section class = "- topic/section section" id = "id__section_b53_vcx_ddc" data-ofbid = "id__section_b53_vcx_ddc" > < h2 class = "- topic/title title sectiontitle" > LVDS 参数< / h2 >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_mfv_hdx_ddc" data-ofbid = "id__codeblock_mfv_hdx_ddc" > < em class = "hl-comment" > /* lvds link swap enable, swap lvds link0 and link1 */< / em >
#< span class = "hl-directive" > define< / span > AIC_LVDS_LINK_SWAP_EN < span class = "hl-number" > 0< / span >
< span class = "hl-tag-doctype-comment" > /**
* lvds channel output order
*
* works on both link0 and link1 (if exists)
*
* default D3 CK D2 D1 D0
* 4 3 2 1 0
*/< / span >
#< span class = "hl-directive" > define< / span > AIC_LVDS_LINES < span class = "hl-number" > 0x43210< / span >
< span class = "hl-tag-doctype-comment" > /**
* lvds channel polarities, works on both link0 and link1 (if exists)
*/< / span >
#< span class = "hl-directive" > define< / span > AIC_LVDS_POL < span class = "hl-number" > 0x0< / span >
< span class = "hl-tag-doctype-comment" > /**
* lvds channel phy config, works on both link0 and link1 (if exists)
*/< / span >
#< span class = "hl-directive" > define< / span > AIC_LVDS_PHY < span class = "hl-number" > 0xFA< / span > < / pre >
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< / section >
< div class = "table-container" > < table class = "- topic/table table frame-all" id = "id__table_mrr_n2x_ddc" data-ofbid = "id__table_mrr_n2x_ddc" data-cols = "3" > < caption class = "- topic/title title tablecap" data-caption-side = "top" data-is-repeated = "true" > < span class = "table--title-label" > 表< span class = "table--title-label-number" > 1< / span > < span class = "table--title-label-punctuation" > . < / span > < / span > < span class = "table--title" > LVDS 参数详细描述< / span > < / caption > < colgroup > < col style = "width:27.272727272727277%" / > < col style = "width:25.252525252525253%" / > < col style = "width:47.474747474747474%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-0 rowsep-0" id = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e75__20250519091526" > 参数名称< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-0" id = "id__table_mrr_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e79__20250519091526" > 功能定义< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-0" id = "id__table_mrr_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e83__20250519091526" > 备注< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e93__20250519091526" > AIC_LVDS_SYNC_MODE_EN< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e99__20250519091526" > LVDS 同步前端信号模式使能。< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e103__20250519091526" > 防止前端给到半帧数据时打开 LVDS 模块，出现显示异常，不推荐关闭。< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e110__20250519091526" > AIC_LVDS_LINK_SWAP_EN< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e114__20250519091526" > LVDS Link 互换使能， < / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e118__20250519091526" > 默认值：禁用 (0)< / p > < / td >
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< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e125__20250519091526" > AIC_LVDS_LINES< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e129__20250519091526" > LVDS Link 通道内输出选择。< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__3" > < div class = "- topic/p p" data-ofbid = "d190068e133__20250519091526" > 控制 LVDS Link 内部五个通道的差分信号输出，允许五对差分信号任意互换：< ul class = "- topic/ul ul" id = "id__ul_h1x_fdx_ddc" data-ofbid = "id__ul_h1x_fdx_ddc" >
< li class = "- topic/li li" data-ofbid = "d190068e137__20250519091526" > 默认值： < / li >
< li class = "- topic/li li" data-ofbid = "d190068e140__20250519091526" > 五个通道： < / li >
< li class = "- topic/li li" data-ofbid = "d190068e143__20250519091526" > 0x43210： ， < strong class = "+ topic/ph hi-d/b ph b" > 4 个 bit< / strong > 表示一个通道。D3 通道输出 D3， ，
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D2， ， < / li >
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< li class = "- topic/li li" data-ofbid = "d190068e149__20250519091526" > 0x01234： ， ， ， ，
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D3。< / li >
< / ul > < / div > < / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e157__20250519091526" > AIC_LVDS_POL< / p > < / td >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__2" >
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< p class = "- topic/p p" data-ofbid = "d190068e162__20250519091526" > LVDS 通道极性控制< / p >
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< / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__3" >
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< div class = "- topic/p p" data-ofbid = "d190068e168__20250519091526" > < strong class = "+ topic/ph hi-d/b ph b" > 低 5 bit< / strong > 分别控制 LVDS 五个通道差分信号的极性，通道默认顺序为 D3 CK D2 D1 D0： < ul class = "- topic/ul ul" id = "id__ul_gjv_g2x_ddc" data-ofbid = "id__ul_gjv_g2x_ddc" >
< li class = "- topic/li li" data-ofbid = "d190068e174__20250519091526" > 0x3 表示 D1 D0 通道极性反相< / li >
< li class = "- topic/li li" data-ofbid = "d190068e177__20250519091526" > 0x8 表示 CK 通道反相< / li >
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< / ul > < / div >
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< p class = "- topic/p p" data-ofbid = "d190068e181__20250519091526" > AIC_LVDS_POL 受 AIC_LVDS_LINES 影响，如果 CK 通道选择输出 D0， ，
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表示 D0 反相。< / p >
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< / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e189__20250519091526" > AIC_LVDS_PHY< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e193__20250519091526" > LVDS 物理层控制< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_mrr_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e197__20250519091526" > 对应芯片手册 LVDS_0_PHY_CTL 和 LVDS_1_PHY_CTL 寄存器的数值，结合芯片手册进行修改。< / p > < / td >
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< / tr >
< / tbody > < / table > < / div >
< section class = "- topic/section section" id = "id__section_iwq_vcx_ddc" data-ofbid = "id__section_iwq_vcx_ddc" > < h2 class = "- topic/title title sectiontitle" > MIPI-DSI 参数< / h2 >
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< pre class = "+ topic/pre pr-d/codeblock pre codeblock language-c" id = "id__codeblock_j5l_3dx_ddc" data-ofbid = "id__codeblock_j5l_3dx_ddc" > < em class = "hl-comment" > /* data line assignments */< / em >
#< span class = "hl-directive" > define< / span > LANE_ASSIGNMENTS < span class = "hl-number" > 0x0123< / span > ;
< em class = "hl-comment" > /* data line polarities */< / em >
#< span class = "hl-directive" > define< / span > LANE_POLARITIES < span class = "hl-number" > 0< / span > b1111;
< em class = "hl-comment" > /* data clk inverse */< / em >
#< span class = "hl-directive" > define< / span > CLK_INVERSE < span class = "hl-number" > 1< / span > < / pre >
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< div class = "table-container" > < table class = "- topic/table table frame-all" id = "id__table_tc2_n2x_ddc" data-ofbid = "id__table_tc2_n2x_ddc" data-cols = "3" > < caption class = "- topic/title title tablecap" data-caption-side = "top" data-is-repeated = "true" > < span class = "table--title-label" > 表< span class = "table--title-label-number" > 2< / span > < span class = "table--title-label-punctuation" > . < / span > < / span > < span class = "table--title" > MIPI-DSI 参数详细描述< / span > < / caption > < colgroup > < col style = "width:21.581196581196583%" / > < col style = "width:21.36752136752137%" / > < col style = "width:57.05128205128205%" / > < / colgroup > < thead class = "- topic/thead thead" >
< tr class = "- topic/row" >
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< th class = "- topic/entry entry colsep-1 rowsep-1" id = "id__table_tc2_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e230__20250519091526" > 参数名称< / p > < / th >
< th class = "- topic/entry entry colsep-1 rowsep-1" id = "id__table_tc2_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e234__20250519091526" > 功能定义< / p > < / th >
< th class = "- topic/entry entry colsep-0 rowsep-1" id = "id__table_tc2_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e238__20250519091526" > 备注< / p > < / th >
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< / tr >
< / thead > < tbody class = "- topic/tbody tbody" >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e248__20250519091526" > LANE_ASSIGNMENTS< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__2" > 数据通道输出选择，方便 layout 走线< p class = "- topic/p p" data-ofbid = "d190068e253__20250519091526" > < strong class = "+ topic/ph hi-d/b ph b" > 4 个 bit< / strong > 表示一个通道。< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__3" > < div class = "- topic/p p" data-ofbid = "d190068e259__20250519091526" >
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< ul class = "- topic/ul ul" id = "id__ul_vdn_r2x_ddc" data-ofbid = "id__ul_vdn_r2x_ddc" >
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< li class = "- topic/li li" data-ofbid = "d190068e263__20250519091526" > < code class = "+ topic/ph pr-d/codeph ph codeph" > 0x0123< / code > ：默认值。< ul class = "- topic/ul ul" id = "id__ul_pcf_x2x_ddc" data-ofbid = "id__ul_pcf_x2x_ddc" >
< li class = "- topic/li li" data-ofbid = "d190068e269__20250519091526" > 数据通道 3 输出 DATA0< / li >
< li class = "- topic/li li" data-ofbid = "d190068e272__20250519091526" > 数据通道 2 输出 DATA1< / li >
< li class = "- topic/li li" data-ofbid = "d190068e275__20250519091526" > 数据通道 1 输出 DATA2< / li >
< li class = "- topic/li li" data-ofbid = "d190068e278__20250519091526" > 数据通道 0 输出 DATA3< / li >
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< / ul > < / li >
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< li class = "- topic/li li" data-ofbid = "d190068e282__20250519091526" > < code class = "+ topic/ph pr-d/codeph ph codeph" > 0x3012< / code > ： < ul class = "- topic/ul ul" id = "id__ul_ivy_x2x_ddc" data-ofbid = "id__ul_ivy_x2x_ddc" >
< li class = "- topic/li li" data-ofbid = "d190068e288__20250519091526" > 数据通道 3 输出 DATA3< / li >
< li class = "- topic/li li" data-ofbid = "d190068e291__20250519091526" > 数据通道 2 输出 DATA0< / li >
< li class = "- topic/li li" data-ofbid = "d190068e294__20250519091526" > 数据通道 1 输出 DATA1< / li >
< li class = "- topic/li li" data-ofbid = "d190068e297__20250519091526" > 数据通道 0 输出 DATA2< / li >
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< / ul > < / li >
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< li class = "- topic/li li" data-ofbid = "d190068e301__20250519091526" > < code class = "+ topic/ph pr-d/codeph ph codeph" > 0x01< / code > ：如果是两个 lane， ，
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DATA1。< / li >
< / ul >
< / div > < / td >
< / tr >
< tr class = "- topic/row" >
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< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__1" > < p class = "- topic/p p" data-ofbid = "d190068e312__20250519091526" > LANE_POLARITIES< / p > < / td >
< td class = "- topic/entry entry colsep-1 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__2" > < p class = "- topic/p p" data-ofbid = "d190068e316__20250519091526" > 数据通道极性是否正负极取反< / p > < / td >
< td class = "- topic/entry entry colsep-0 rowsep-1" headers = "id__table_tc2_n2x_ddc__entry__3" > 默认值： < p class = "- topic/p p" data-ofbid = "d190068e321__20250519091526" > < strong class = "+ topic/ph hi-d/b ph b" > 二进制参数， < / strong > 对应一个通道，与 LANE_ASSIGNMENTS
配置的通道顺序保持一致。< / p > < p class = "- topic/p p" data-ofbid = "d190068e325__20250519091526" > 示例： < 0x3012> ，
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LANE_POLARITIES = < 0b1010> ，表示 DATA3 和 DATA1
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正负极取反。< / p > < / td >
< / tr >
< tr class = "- topic/row" >
< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "id__table_tc2_n2x_ddc__entry__1" >
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< p class = "- topic/p p" data-ofbid = "d190068e333__20250519091526" > CLK_INVERSE< / p >
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< / td >
< td class = "- topic/entry entry colsep-1 rowsep-0" headers = "id__table_tc2_n2x_ddc__entry__2" >
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< p class = "- topic/p p" data-ofbid = "d190068e339__20250519091526" > CLK Lane 正负极取反< / p >
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< / td >
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< td class = "- topic/entry entry colsep-0 rowsep-0" headers = "id__table_tc2_n2x_ddc__entry__3" > < p class = "- topic/p p" data-ofbid = "d190068e344__20250519091526" > -< / p > < / td >
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< / tr >
< / tbody > < / table > < / div >
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< / section >
< / div >
< / article > < / main > < / div >
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< / div >
< nav role = "navigation" id = "wh_topic_toc" aria-label = "On this page" class = "col-lg-2 d-none d-lg-block navbar d-print-none" >
< div id = "wh_topic_toc_content" >
< div class = " wh_topic_toc " > < div class = "wh_topic_label" > 在本页上< / div > < ul > < li class = "section-item" > < div class = "section-title" > < a href = "#id__section_b53_vcx_ddc" data-tocid = "id__section_b53_vcx_ddc" > LVDS 参数< / a > < / div > < / li > < li class = "section-item" > < div class = "section-title" > < a href = "#id__section_iwq_vcx_ddc" data-tocid = "id__section_iwq_vcx_ddc" > MIPI-DSI 参数< / a > < / div > < / li > < / ul > < / div >
< / div >
< / nav >
< / div >
< / div >
< / div >
< footer class = "navbar navbar-default wh_footer" >
< div class = " footer-container mx-auto " >
< title > footer def< / title >
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< style >
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.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
.p3 {
font-family: "Lucida Console", "Courier New", monospace;
}
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< / style >
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< div class = "webhelp.fragment.footer" >
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< p class = "p1" > Copyright © 2019-2025 广东匠芯创科技有限公司. All rights reserved.< / p >
< / div >
< div >
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< div class = "generation_time" >
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Update Time: 2025-05-19
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< / div >
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< / div >
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< / div >
< / footer >
< div id = "go2top" class = "d-print-none" >
< span class = "oxy-icon oxy-icon-up" > < / span >
< / div >
< div id = "modal_img_large" class = "modal" >
< span class = "close oxy-icon oxy-icon-remove" > < / span >
< div id = "modal_img_container" > < / div >
< div id = "caption" > < / div >
< / div >
< script src = "${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer = "defer" > < / script >
< / body >
< / html >
