From 75c2755ff2961eca43b73ccb27e97463ff9752a9 Mon Sep 17 00:00:00 2001
From: Jeff Epler <jepler@gmail.com>
Date: Tue, 26 Aug 2025 11:53:48 -0500
Subject: [PATCH] WIP

---
 src/pico/CMakeLists.txt  |  2 --
 src/pico/dvhstx_shim.cpp |  8 ++++++++
 src/pico/dvhstx_shim.h   | 12 ++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 src/pico/dvhstx_shim.cpp
 create mode 100644 src/pico/dvhstx_shim.h

diff --git a/src/pico/CMakeLists.txt b/src/pico/CMakeLists.txt
index b5ff001e..e78efb8b 100644
--- a/src/pico/CMakeLists.txt
+++ b/src/pico/CMakeLists.txt
@@ -41,10 +41,8 @@ target_compile_definitions(common_pico INTERFACE
 target_link_libraries(common_pico INTERFACE pico_stdlib pico_multicore)
 
 if (USE_HSTX)
-    set(PIMORONI_PICO_PATH ${CMAKE_CURRENT_LIST_DIR}/../../3rdparty/pimoroni-pico)
     target_sources(common_pico INTERFACE
             ${CMAKE_CURRENT_LIST_DIR}/dvhstx_shim.cpp)
-    include(${PIMORONI_PICO_PATH}/pimoroni_pico_import.cmake)
     include(${CMAKE_CURRENT_LIST_DIR}/../../3rdparty/dvhstx/drivers/dvhstx/dvhstx.cmake)
     target_link_libraries(common_pico INTERFACE dvhstx)
     target_compile_definitions(common_pico INTERFACE USE_HSTX=1)
diff --git a/src/pico/dvhstx_shim.cpp b/src/pico/dvhstx_shim.cpp
new file mode 100644
index 00000000..9dce6bdc
--- /dev/null
+++ b/src/pico/dvhstx_shim.cpp
@@ -0,0 +1,8 @@
+#include "dvhstx.hpp"
+#include "dvhstx_shim.h"
+
+static pimoroni::DVHSTX display; 
+void hstx_setup(line_fun_t gen_line) {
+    display.set_callback(gen_line, &display);
+    display.init(640, 240, pimoroni::DVHSTX::MODE_LINE_CALLBACK_RGB565, {HSTX_CKP, HSTX_D0P, HSTX_D1P, HSTX_D2P}); 
+}
diff --git a/src/pico/dvhstx_shim.h b/src/pico/dvhstx_shim.h
new file mode 100644
index 00000000..155f837f
--- /dev/null
+++ b/src/pico/dvhstx_shim.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+typedef void(*line_fun_t)(void *cb_data, int line_num, uint32_t *data); 
+void hstx_setup(line_fun_t gen_line);
+
+#if defined(__cplusplus)
+}
+#endif