{"id":129655,"date":"2026-03-10T09:52:08","date_gmt":"2026-03-10T08:52:08","guid":{"rendered":"https:\/\/riverdi.com\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4"},"modified":"2026-05-11T15:23:49","modified_gmt":"2026-05-11T13:23:49","slug":"getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","status":"publish","type":"post","link":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","title":{"rendered":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #002175;color:#002175\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #002175;color:#002175\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Apercu_du_materiel\" >Aper\u00e7u du mat\u00e9riel<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Programmation_et_debogage\" >Programmation et d\u00e9bogage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Affiche\" >Affiche<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Interfaces\" >Interfaces<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Pile_logicielle\" >Pile logicielle<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Developpement\" >D\u00e9veloppement<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Graphisme_et_interface_utilisateur\" >Graphisme et interface utilisateur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Couche_application\" >Couche application<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Concept_darchitecture_%E2%80%93_une_logique_deux_rendus\" >Concept d&rsquo;architecture &#8211; une logique, deux rendus<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Modeles_de_rendu\" >Mod\u00e8les de rendu<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Scenario_de_demonstration_%E2%80%93_etat_partage_et_interaction_bidirectionnelle\" >Sc\u00e9nario de d\u00e9monstration &#8211; \u00e9tat partag\u00e9 et interaction bidirectionnelle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Ordre_dinitialisation\" >Ordre d&rsquo;initialisation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Structure_du_projet\" >Structure du projet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Modele_dexecution_TouchGFX_tache_EVE\" >Mod\u00e8le d&rsquo;ex\u00e9cution (TouchGFX + t\u00e2che EVE)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Recapitulatif_du_rendu_EVE\" >R\u00e9capitulatif du rendu EVE<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Resultat\" >R\u00e9sultat<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\/#Resume_et_prochaines_etapes\" >R\u00e9sum\u00e9 et prochaines \u00e9tapes<\/a><\/li><\/ul><\/nav><\/div>\n<p>Un \u00e9cran int\u00e9gr\u00e9 peut-il en piloter un autre en m\u00eame temps ?<br \/>\nDans ce guide, nous montrons comment un simple STM32H7 int\u00e9gr\u00e9 dans un \u00e9cran Riverdi peut simultan\u00e9ment :<\/p>\n<ul>\n<li>rendre son propre GUI en utilisant TouchGFX, et<\/li>\n<li>contr\u00f4ler un deuxi\u00e8me \u00e9cran bas\u00e9 sur l&rsquo;EVE4 via RiBUS (SPI).<\/li>\n<\/ul>\n<p>Il en r\u00e9sulte un mod\u00e8le propre et reproductible pour les syst\u00e8mes \u00e0 double affichage tels que les terminaux de point de vente, les kiosques et les panneaux IHM industriels.<br \/>\nL&rsquo;exemple est d\u00e9lib\u00e9r\u00e9ment minimal. Il se concentre sur : <\/p>\n<ul>\n<li>ordre d&rsquo;initialisation correct,<\/li>\n<li>une s\u00e9paration claire des responsabilit\u00e9s,<\/li>\n<li>un \u00e9tat d&rsquo;application partag\u00e9 utilis\u00e9 par deux chemins de rendu ind\u00e9pendants.<\/li>\n<\/ul>\n<p>La structure est con\u00e7ue comme une base pratique qui peut \u00eatre \u00e9tendue pas \u00e0 pas dans des projets r\u00e9els.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Apercu_du_materiel\"><\/span>Aper\u00e7u du mat\u00e9riel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Programmation_et_debogage\"><\/span>Programmation et d\u00e9bogage<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>ST-LINK\/V3 connect\u00e9 via SWD au STM32H7 int\u00e9gr\u00e9 \u00e0 l&rsquo;\u00e9cran Riverdi<\/li>\n<li>Seul le STM32H7 est programm\u00e9<\/li>\n<li>L&rsquo;\u00e9cran EVE4 n&rsquo;est jamais flash\u00e9 et communique exclusivement via SPI<br \/>\n(RiBUS)<br \/>\nSTM32 + EVE4 &#8211; Blog<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Affiche\"><\/span>Affiche<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a href=\"https:\/\/riverdi.com\/fr\/product\/7-inch-lcd-display-capacitive-touch-panel-optical-bonding-uxtouch-stm32h7-rvt70hssnwc00-b\">Riverdi STM32 Embedded Display<\/a> (master)<br \/>\n\u00c9cran 7&Prime; avec STM32H7 int\u00e9gr\u00e9, pilot\u00e9 par TouchGFX.<\/p>\n<p><a href=\"https:\/\/riverdi.com\/fr\/product\/eve4-intelligent-display-rvt70hsbnwc00-b-7-inch-projete-capacitif-touch-panel-optical-bonding-uxtouch\">Afficheur Riverdi EVE4<\/a> (esclave)<br \/>\nAfficheur 7&Prime; bas\u00e9 sur EVE4, contr\u00f4l\u00e9 par STM32H7 via RiBUS.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Interfaces\"><\/span>Interfaces<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>SWD &#8211; programmation et d\u00e9bogage<\/li>\n<li>SPI (RiBUS) &#8211; STM32H7 \u2192 Interface de commande EVE4<\/li>\n<li>Interfaces tactiles sur les deux \u00e9crans<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone wp-image-128880 size-full\" src=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\" alt=\"\" width=\"1280\" height=\"600\" srcset=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg 1280w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4-300x141.jpg 300w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4-1024x480.jpg 1024w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4-768x360.jpg 768w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4-600x281.jpg 600w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4-64x30.jpg 64w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pile_logicielle\"><\/span>Pile logicielle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Developpement\"><\/span>D\u00e9veloppement<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>STM32CubeIDE<\/li>\n<li>STM32 HAL<\/li>\n<li>FreeRTOS<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Graphisme_et_interface_utilisateur\"><\/span>Graphisme et interface utilisateur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>TouchGFX &#8211; interface graphique bas\u00e9e sur le framebuffer sur l&rsquo;\u00e9cran int\u00e9gr\u00e9 du STM32H7<\/li>\n<li>EVE4 (BT81x) &#8211; rendu bas\u00e9 sur des commandes via des listes d&rsquo;affichage sur SPI<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Couche_application\"><\/span>Couche application<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Logique d&rsquo;application unique sur STM32H7<\/li>\n<li>Contextes d&rsquo;ex\u00e9cution s\u00e9par\u00e9s (t\u00e2ches FreeRTOS)<\/li>\n<li>\u00c9tat partag\u00e9 de l&rsquo;application utilis\u00e9 pour synchroniser les deux \u00e9crans<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Concept_darchitecture_%E2%80%93_une_logique_deux_rendus\"><\/span>Concept d&rsquo;architecture &#8211; une logique, deux rendus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Le principe architectural cl\u00e9 est la s\u00e9paration de la logique et du rendu.<\/p>\n<ul>\n<li>Le STM32H7 poss\u00e8de l&rsquo;\u00e9tat de l&rsquo;application<\/li>\n<li>TouchGFX et EVE4 sont des backends de rendu ind\u00e9pendants.<\/li>\n<li>Les deux \u00e9crans r\u00e9agissent au m\u00eame \u00e9tat partag\u00e9<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Modeles_de_rendu\"><\/span>Mod\u00e8les de rendu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>TouchGFX<\/strong><\/p>\n<ul>\n<li>Rendu bas\u00e9 sur le tampon d&rsquo;images<\/li>\n<li>Enti\u00e8rement g\u00e9r\u00e9 par le STM32H7<\/li>\n<\/ul>\n<p><strong>EVE4<\/strong><\/p>\n<ul>\n<li>Rendu par commande \u00e0 l&rsquo;aide de listes d&rsquo;affichage<\/li>\n<li>Rendu ex\u00e9cut\u00e9 par le GPU EVE<\/li>\n<\/ul>\n<p>L&rsquo;objectif n&rsquo;est pas de comparer ces approches, mais de montrer qu&rsquo;elles peuvent coexister sans probl\u00e8me dans un syst\u00e8me unique pilot\u00e9 par un microcontr\u00f4leur.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-128888 size-full\" src=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2.png\" alt=\"\" width=\"826\" height=\"760\" srcset=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2.png 826w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2-300x276.png 300w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2-768x707.png 768w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2-600x552.png 600w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_2-64x59.png 64w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Scenario_de_demonstration_%E2%80%93_etat_partage_et_interaction_bidirectionnelle\"><\/span>Sc\u00e9nario de d\u00e9monstration &#8211; \u00e9tat partag\u00e9 et interaction bidirectionnelle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L&rsquo;exemple montre un petit \u00e9tat d&rsquo;application partag\u00e9 \u00e9chang\u00e9 entre deux interfaces utilisateur ind\u00e9pendantes.<\/p>\n<ul>\n<li>L&rsquo;<strong>\u00e9cran TouchGFX (ma\u00eetre)<\/strong> propose des changements.<\/li>\n<li>L&rsquo;<strong>\u00e9cran EVE4 (esclave)<\/strong> les confirme ou les rejette.<\/li>\n<\/ul>\n<p>L&rsquo;interaction tactile sur un \u00e9cran affecte directement le comportement de l&rsquo;autre.<\/p>\n<p><strong>\u00c9tat de l&rsquo;application partag\u00e9e<\/strong><\/p>\n<pre style=\"white-space: break-spaces; padding: 15px; border: solid 1px; word-wrap: break-word; background-color: #f2f6ff;\">typedef struct {\n\nuint8_t master_proposedColor ;\nuint8_t master_requestPending ;\nuint8_t slave_currentColor ;\nuint8_t slave_lastResponse ;\nuint8_t slave_responseDirty ;\n\n} app_state_t ;\n\nvolatile app_state_t gAppState = {\n\n.master_proposedColor = COLOR_RED,\n.master_requestPending = 0,\n.slave_currentColor = COLOR_RED,\n.slave_lastResponse = SLAVE_IDLE,\n.slave_responseDirty = 0\n\n} ;\nL'\u00e9tat est initialis\u00e9 de mani\u00e8re d\u00e9terministe afin que les deux \u00e9crans d\u00e9marrent de mani\u00e8re synchronis\u00e9e.<\/pre>\n<p>A partir de l\u00e0 :<\/p>\n<ul>\n<li>TouchGFX met \u00e0 jour <em>master_proposedColor<\/em> et d\u00e9finit <em>master_requestPending<\/em>.<\/li>\n<li>EVE4 accepte ou rejette et met \u00e0 jour <em>slave_currentColor<\/em> et <em>slave_lastResponse<\/em>.<\/li>\n<\/ul>\n<p>Les deux chemins de rendu lisent continuellement <em>gAppState<\/em> et mettent \u00e0 jour leur interface utilisateur en cons\u00e9quence.<\/p>\n<p>Le flux d&rsquo;interaction reste ainsi explicite, facile \u00e0 suivre et enti\u00e8rement pilot\u00e9 par la logique d&rsquo;application partag\u00e9e de<br \/>\nplut\u00f4t que par une communication directe d&rsquo;\u00e9cran \u00e0 \u00e9cran.<\/p>\n<p>Ce mod\u00e8le d&rsquo;interaction est volontairement simple et sert de mod\u00e8le clair pour les projets r\u00e9els<br \/>\no\u00f9 deux \u00e9crans doivent coop\u00e9rer tout en restant ind\u00e9pendants sur le plan architectural.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ordre_dinitialisation\"><\/span>Ordre d&rsquo;initialisation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Seule la s\u00e9quence correcte est pr\u00e9sent\u00e9e ici.<\/p>\n<ol>\n<li><strong>Initialisation du MCU et horloges<\/strong><br \/>\n<em>HAL_Init() \u2192 SystemClock_Config() \u2192 PeriphCommonClock_Config()<\/em><\/li>\n<li><strong>Initialisation des p\u00e9riph\u00e9riques<\/strong><br \/>\n<em>GPIO, LTDC\/DSI, DMA2D\/MDMA, SPI, minuteries, m\u00e9moire externe (SDRAM\/QSPI)<\/em><\/li>\n<li><strong>Initialisation de TouchGFX<\/strong><br \/>\n<em>MX_TouchGFX_Init() \u2192 MX_TouchGFX_PreOSInit()<\/em><\/li>\n<li><strong>Initialisation SPI pour RiBUS<\/strong><br \/>\n<em>MX_SPI1_Init() (ou instance s\u00e9lectionn\u00e9e)<\/em><\/li>\n<li><strong>Initialisation de l&rsquo;EVE4<\/strong><br \/>\n<em>EVE4_RiBUS_Init(&amp;eve)<\/em><br \/>\n<em>EVE4_RiBUS_ConfigIPS70(&amp;eve)<\/em><\/li>\n<li><strong>D\u00e9marrer FreeRTOS<\/strong><br \/>\n<em>osKernelInitialize() \u2192 MX_FREERTOS_Init() \u2192 osKernelStart()<\/em><\/li>\n<\/ol>\n<p>Suivre cette s\u00e9quence permet d&rsquo;\u00e9viter des probl\u00e8mes subtils au d\u00e9marrage et garantit que les deux chemins de rendu sont initialis\u00e9s proprement. TouchGFX d\u00e9marre avec un pipeline d&rsquo;affichage enti\u00e8rement configur\u00e9, et l&rsquo;EVE4 est pr\u00eat \u00e0 effectuer le rendu d\u00e8s que sa t\u00e2che FreeRTOS commence \u00e0 s&rsquo;ex\u00e9cuter. <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Structure_du_projet\"><\/span>Structure du projet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ce projet s\u00e9pare clairement l&rsquo;interface TouchGFX et l&rsquo;int\u00e9gration d&rsquo;EVE4.<\/p>\n<ul>\n<li><strong>CM7\/Core\/<\/strong><br \/>\nD\u00e9marrage du MCU et initialisation des p\u00e9riph\u00e9riques (main.c, *_init.c)<br \/>\nConfiguration du syst\u00e8me et mise en service de la carte<\/li>\n<li><strong>CM7\/TouchGFX\/<br \/>\n<\/strong>Application TouchGFX (\u00e9crans, widgets, actifs)<br \/>\nLogique principale de l&rsquo;interface utilisateur (affichage principal)<strong><br \/>\n<\/strong><\/li>\n<li><strong>Application\/User\/Core\/<br \/>\napp_state.c \/ app_state.h<\/strong> &#8211; \u00e9tat partag\u00e9 de l&rsquo;application ma\u00eetre\/esclave (gAppState)<br \/>\n eve4_ribus<strong>.c \/ eve4_ribus.h<\/strong> &#8211; pilote EVE4 de bas niveau (SPI + acc\u00e8s aux registres + aides \u00e0 la liste d&rsquo;affichage)<br \/>\n eve_task<strong>.c<\/strong> &#8211; t\u00e2che EVE FreeRTOS (boucle de rendu + gestion du toucher sur l&rsquo;\u00e9cran esclave)<\/li>\n<li><strong>Application\/User\/gui\/<\/strong> (couche utilisateur TouchGFX)<br \/>\npar exemple Screen1View.cpp\/.hpp &#8211; logique de l&rsquo;interface utilisateur principale (proposer une couleur, refl\u00e9ter l&rsquo;\u00e9tat de l&rsquo;esclave)<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Modele_dexecution_TouchGFX_tache_EVE\"><\/span>Mod\u00e8le d&rsquo;ex\u00e9cution (TouchGFX + t\u00e2che EVE)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L&rsquo;application fonctionne sous FreeRTOS et utilise deux contextes d&rsquo;ex\u00e9cution ind\u00e9pendants :<\/p>\n<p><strong>T\u00e2che TouchGFX (\u00e9cran principal)<\/strong><\/p>\n<p>G\u00e8re le rendu de l&rsquo;interface utilisateur principale et l&rsquo;interaction tactile sur l&rsquo;\u00e9cran pilot\u00e9 par le STM32.<br \/>\nLes actions de l&rsquo;utilisateur mettent \u00e0 jour l&rsquo;\u00e9tat partag\u00e9 (gAppState).<\/p>\n<p><strong>T\u00e2che EVE (affichage de l&rsquo;esclave)<\/strong><\/p>\n<p>Construit et \u00e9change les listes d&rsquo;affichage EVE et traite les entr\u00e9es tactiles sur l&rsquo;\u00e9cran EVE4. Les d\u00e9cisions (acceptation\/rejet) mettent \u00e0 jour gAppState et sont r\u00e9percut\u00e9es sur l&rsquo;interface utilisateur principale. Les deux chemins de rendu r\u00e9agissent au m\u00eame \u00e9tat partag\u00e9 de l&rsquo;application, ce qui simplifie l&rsquo;architecture et s\u00e9pare clairement les responsabilit\u00e9s.  <\/p>\n<h2><span class=\"ez-toc-section\" id=\"Recapitulatif_du_rendu_EVE\"><\/span>R\u00e9capitulatif du rendu EVE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>L&rsquo;affichage EVE4 est mis \u00e0 jour \u00e0 l&rsquo;aide d&rsquo;une s\u00e9quence standard de liste d&rsquo;affichage ex\u00e9cut\u00e9e par<br \/>\nle GPU EVE :<br \/>\nCLEAR_COLOR_RGB() &#8211; d\u00e9finit la couleur d&rsquo;arri\u00e8re-plan<br \/>\nCLEAR() &#8211; efface les tampons de dessin<br \/>\ncommandes de dessin<br \/>\nDISPLAY() &#8211; termine la liste d&rsquo;affichage<br \/>\nFlush_DL_Buffer() &#8211; copie les commandes dans RAM_DL<br \/>\nDLSWAP_FRAME &#8211; rend la nouvelle image visible<br \/>\nCe flux de rendu de bas niveau est intentionnellement maintenu simple et inchang\u00e9, offrant \u00e0<br \/>\nun contr\u00f4le total sur la mani\u00e8re et le moment o\u00f9 l&rsquo;EVE4 met \u00e0 jour son affichage.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Resultat\"><\/span>R\u00e9sultat<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Avec cette configuration :<\/p>\n<ul>\n<li>les deux \u00e9crans fonctionnent simultan\u00e9ment,<\/li>\n<li>les deux \u00e9crans r\u00e9agissent au toucher,<\/li>\n<li>l&rsquo;interaction de l&rsquo;utilisateur sur un \u00e9cran se refl\u00e8te sur l&rsquo;autre.<\/li>\n<\/ul>\n<p>Le r\u00e9sultat est une architecture \u00e0 double affichage propre et \u00e9volutive pilot\u00e9e par un seul STM32H7, o\u00f9 une application contr\u00f4le deux chemins de rendu ind\u00e9pendants avec des responsabilit\u00e9s clairement s\u00e9par\u00e9es.<\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-128895 size-full\" src=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3.png\" alt=\"\" width=\"826\" height=\"400\" srcset=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3.png 826w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3-300x145.png 300w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3-768x372.png 768w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3-600x291.png 600w, https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_grafika_POMIEDZY-TEKSTY_3-64x31.png 64w\" sizes=\"(max-width: 826px) 100vw, 826px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Resume_et_prochaines_etapes\"><\/span>R\u00e9sum\u00e9 et prochaines \u00e9tapes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ce mod\u00e8le constitue un point de d\u00e9part pour les syst\u00e8mes n\u00e9cessitant deux \u00e9crans pilot\u00e9s par un microcontr\u00f4leur, utilisant des mod\u00e8les de rendu diff\u00e9rents mais une logique d&rsquo;application partag\u00e9e.<\/p>\n<p>Il peut \u00eatre prolong\u00e9 naturellement :<\/p>\n<ul>\n<li>\u00e9tendre l&rsquo;\u00e9tat partag\u00e9,<\/li>\n<li>introduire des fonctions graphiques avanc\u00e9es pour EVE,<\/li>\n<li>adapter le mod\u00e8le d&rsquo;interaction \u00e0 des flux de travail plus complexes,<\/li>\n<li>migrer vers les nouvelles g\u00e9n\u00e9rations d&rsquo;EVE.<\/li>\n<\/ul>\n<p>Le projet de r\u00e9f\u00e9rence complet est disponible sur GitHub :<br \/>\n<a href=\"https:\/\/github.com\/riverdi\/STM32H7-EVE4\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/riverdi\/STM32H7-EVE4<\/a><\/p>\n<p>Ce projet est con\u00e7u comme une base pratique pour les syst\u00e8mes \u00e9volutifs \u00e0 double affichage bas\u00e9s sur STM32 et EVE.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un \u00e9cran int\u00e9gr\u00e9 peut-il en piloter un autre en m\u00eame temps ? Dans ce guide, nous montrons comment un simple STM32H7 int\u00e9gr\u00e9 dans un \u00e9cran Riverdi peut simultan\u00e9ment : rendre son propre GUI en utilisant TouchGFX, et contr\u00f4ler un deuxi\u00e8me \u00e9cran bas\u00e9 sur l&rsquo;EVE4 via RiBUS (SPI). Il en r\u00e9sulte un mod\u00e8le propre et reproductible [&hellip;]<\/p>\n","protected":false},"author":3328,"featured_media":128881,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"categories":[1457],"tags":[],"class_list":["post-129655","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-affichage-101"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi\" \/>\n<meta property=\"og:description\" content=\"Un \u00e9cran int\u00e9gr\u00e9 peut-il en piloter un autre en m\u00eame temps ? Dans ce guide, nous montrons comment un simple STM32H7 int\u00e9gr\u00e9 dans un \u00e9cran Riverdi peut simultan\u00e9ment : rendre son propre GUI en utilisant TouchGFX, et contr\u00f4ler un deuxi\u00e8me \u00e9cran bas\u00e9 sur l&rsquo;EVE4 via RiBUS (SPI). Il en r\u00e9sulte un mod\u00e8le propre et reproductible [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\" \/>\n<meta property=\"og:site_name\" content=\"Riverdi\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/riverdi.displays\/\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-10T08:52:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-11T13:23:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Rafa\u0142 F\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@riverdidisplays\" \/>\n<meta name=\"twitter:site\" content=\"@riverdidisplays\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Rafa\u0142 F\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\"},\"author\":{\"name\":\"Rafa\u0142 F\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr#\\\/schema\\\/person\\\/dac328f88dda36bae87261c19a2e30ef\"},\"headline\":\"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4\",\"datePublished\":\"2026-03-10T08:52:08+00:00\",\"dateModified\":\"2026-05-11T13:23:49+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\"},\"wordCount\":1329,\"image\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/riverdi.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\",\"articleSection\":[\"Affichage 101\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\",\"url\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\",\"name\":\"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/riverdi.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\",\"datePublished\":\"2026-03-10T08:52:08+00:00\",\"dateModified\":\"2026-05-11T13:23:49+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr#\\\/schema\\\/person\\\/dac328f88dda36bae87261c19a2e30ef\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage\",\"url\":\"https:\\\/\\\/riverdi.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\",\"contentUrl\":\"https:\\\/\\\/riverdi.com\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/BLOG_COVER_GUIDE_STM32xEVE4.jpg\",\"width\":1280,\"height\":600},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/blog\\\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Front Page\",\"item\":\"https:\\\/\\\/riverdi.com\\\/fr\\\/page-daccueil\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr#website\",\"url\":\"https:\\\/\\\/riverdi.com\\\/fr\",\"name\":\"Riverdi\",\"description\":\"Global TFT LCD Manufacturer\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/riverdi.com\\\/fr?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/riverdi.com\\\/fr#\\\/schema\\\/person\\\/dac328f88dda36bae87261c19a2e30ef\",\"name\":\"Rafa\u0142 F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g\",\"caption\":\"Rafa\u0142 F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","og_locale":"fr_FR","og_type":"article","og_title":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi","og_description":"Un \u00e9cran int\u00e9gr\u00e9 peut-il en piloter un autre en m\u00eame temps ? Dans ce guide, nous montrons comment un simple STM32H7 int\u00e9gr\u00e9 dans un \u00e9cran Riverdi peut simultan\u00e9ment : rendre son propre GUI en utilisant TouchGFX, et contr\u00f4ler un deuxi\u00e8me \u00e9cran bas\u00e9 sur l&rsquo;EVE4 via RiBUS (SPI). Il en r\u00e9sulte un mod\u00e8le propre et reproductible [&hellip;]","og_url":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","og_site_name":"Riverdi","article_publisher":"https:\/\/www.facebook.com\/riverdi.displays\/","article_published_time":"2026-03-10T08:52:08+00:00","article_modified_time":"2026-05-11T13:23:49+00:00","og_image":[{"width":1280,"height":600,"url":"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg","type":"image\/jpeg"}],"author":"Rafa\u0142 F","twitter_card":"summary_large_image","twitter_creator":"@riverdidisplays","twitter_site":"@riverdidisplays","twitter_misc":{"\u00c9crit par":"Rafa\u0142 F","Dur\u00e9e de lecture estim\u00e9e":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#article","isPartOf":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4"},"author":{"name":"Rafa\u0142 F","@id":"https:\/\/riverdi.com\/fr#\/schema\/person\/dac328f88dda36bae87261c19a2e30ef"},"headline":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4","datePublished":"2026-03-10T08:52:08+00:00","dateModified":"2026-05-11T13:23:49+00:00","mainEntityOfPage":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4"},"wordCount":1329,"image":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage"},"thumbnailUrl":"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg","articleSection":["Affichage 101"],"inLanguage":"fr-FR"},{"@type":"WebPage","@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","url":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4","name":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4 - Riverdi","isPartOf":{"@id":"https:\/\/riverdi.com\/fr#website"},"primaryImageOfPage":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage"},"image":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage"},"thumbnailUrl":"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg","datePublished":"2026-03-10T08:52:08+00:00","dateModified":"2026-05-11T13:23:49+00:00","author":{"@id":"https:\/\/riverdi.com\/fr#\/schema\/person\/dac328f88dda36bae87261c19a2e30ef"},"breadcrumb":{"@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#primaryimage","url":"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg","contentUrl":"https:\/\/riverdi.com\/wp-content\/uploads\/2026\/03\/BLOG_COVER_GUIDE_STM32xEVE4.jpg","width":1280,"height":600},{"@type":"BreadcrumbList","@id":"https:\/\/riverdi.com\/fr\/blog\/getting-started-with-stm32h7-controlling-two-displays-touchgfx-eve4#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Front Page","item":"https:\/\/riverdi.com\/fr\/page-daccueil"},{"@type":"ListItem","position":2,"name":"D\u00e9marrage avec le STM32H7 contr\u00f4lant deux \u00e9crans : TouchGFX + EVE4"}]},{"@type":"WebSite","@id":"https:\/\/riverdi.com\/fr#website","url":"https:\/\/riverdi.com\/fr","name":"Riverdi","description":"Global TFT LCD Manufacturer","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/riverdi.com\/fr?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Person","@id":"https:\/\/riverdi.com\/fr#\/schema\/person\/dac328f88dda36bae87261c19a2e30ef","name":"Rafa\u0142 F","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/b208bcbc75c8894f7448c2283e1f99dd68d97018826b56edce8aeb3c8c3985ee?s=96&d=mm&r=g","caption":"Rafa\u0142 F"}}]}},"_links":{"self":[{"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/posts\/129655","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/users\/3328"}],"replies":[{"embeddable":true,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/comments?post=129655"}],"version-history":[{"count":1,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/posts\/129655\/revisions"}],"predecessor-version":[{"id":129657,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/posts\/129655\/revisions\/129657"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/media\/128881"}],"wp:attachment":[{"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/media?parent=129655"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/categories?post=129655"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/riverdi.com\/fr\/wp-json\/wp\/v2\/tags?post=129655"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}