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器件型号：TDA3XEVM 工具/软件：
输出电压
if(displayType == CHAINS_DISPLAY_TYPE_LCD_7_INCH)
{
pPrm->deviceId = DISPLAYCTRL_LINK_USE_LCD;
pVInfo->vencId = SYSTEM_DCTRL_DSS_VENC_LCD1;
pVInfo->outputPort = SYSTEM_DCTRL_DSS_DPI1_OUTPUT;
if ((BSP_PLATFORM_SOC_ID_TDA2EX == Bsp_platformGetSocId()) &&
(BSP_PLATFORM_PACKAGE_TYPE_17x17 == Bsp_platformGetPackageType()))
{
/* In case of TDA2EX and Package is 17 X 17, LCD is on DPI 3 */
pVInfo->vencId = SYSTEM_DCTRL_DSS_VENC_LCD3;
pVInfo->outputPort = SYSTEM_DCTRL_DSS_DPI3_OUTPUT;
}
pVInfo->vencOutputInfo.vsPolarity = SYSTEM_DCTRL_POLARITY_ACT_LOW;
pVInfo->vencOutputInfo.hsPolarity = SYSTEM_DCTRL_POLARITY_ACT_LOW;
/* Below are of dont care for EVM LCD */
pVInfo->vencOutputInfo.fidPolarity = SYSTEM_DCTRL_POLARITY_ACT_LOW;
pVInfo->vencOutputInfo.actVidPolarity = SYSTEM_DCTRL_POLARITY_ACT_LOW;
pVInfo->mInfo.standard = SYSTEM_STD_CUSTOM;
pVInfo->mInfo.width = displayWidth;
pVInfo->mInfo.height = displayHeight;
pVInfo->mInfo.scanFormat = SYSTEM_SF_PROGRESSIVE;
pVInfo->mInfo.pixelClock = 29232u;
pVInfo->mInfo.fps = 60U;
pVInfo->mInfo.hFrontPorch = 40u;
pVInfo->mInfo.hBackPorch = 40u;
pVInfo->mInfo.hSyncLen = 48u;
pVInfo->mInfo.vFrontPorch = 13u;
pVInfo->mInfo.vBackPorch = 29u;
pVInfo->mInfo.vSyncLen = 3u;
pVInfo->vencDivisorInfo.divisorLCD = 1;
if(Bsp_platformIsTda3xxFamilyBuild())
{
pVInfo->vencDivisorInfo.divisorPCD = 1;
}
else
{
pVInfo->vencDivisorInfo.divisorPCD = 4;
}
pVInfo->vencOutputInfo.dataFormat = SYSTEM_DF_RGB24_888;
pVInfo->vencOutputInfo.dvoFormat =
SYSTEM_DCTRL_DVOFMT_GENERIC_DISCSYNC;
pVInfo->vencOutputInfo.videoIfWidth = SYSTEM_VIFW_24BIT;
pVInfo->vencOutputInfo.pixelClkPolarity = SYSTEM_DCTRL_POLARITY_ACT_HIGH;
pVInfo->vencOutputInfo.aFmt = SYSTEM_DCTRL_A_OUTPUT_MAX;
/* Configure overlay params */
ovlyPrms->vencId = SYSTEM_DCTRL_DSS_VENC_LCD1;
if ((BSP_PLATFORM_SOC_ID_TDA2EX == Bsp_platformGetSocId()) &&
(BSP_PLATFORM_PACKAGE_TYPE_17x17 == Bsp_platformGetPackageType()))
{
/* In case of TDA2EX and Package is 17 X 17, LCD is on DPI 3 */
ovlyPrms->vencId = SYSTEM_DCTRL_DSS_VENC_LCD3;
}
}
我如上所述设置显示类型来设置 Vout 像素时钟。
更新后、测量 Vout 时钟时观察到 149mhz。
似乎没有反映上述设置。
