implement printer controls; implement calibration data collection

1 files changed, 20 insertions, 4 deletions

diff --git a/imagealgos.h b/imagealgos.h
index bf5611a..77ac625 100644
--- a/imagealgos.h
+++ b/imagealgos.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <array>
 #include <cstddef>
 #include <cstdio>
 
@@ -9,6 +10,13 @@ constexpr size_t img_width = 1280;
 constexpr size_t img_height = 800;
 constexpr uint32_t patternSize = 16;
 
+struct Counters
+{
+    uint32_t timestampUs { 0 };
+    uint32_t measurementCounter { 0 };
+    int32_t encoderPosition { 0 };
+};
+
 struct Image
 {
     int width;
@@ -18,9 +26,17 @@ struct Image
     size_t dataSize;
     unsigned int stride;
     libcamera::PixelFormat pixelFormat;
-    float pixels[img_width];
-    unsigned int measurementCounter;
-    uint64_t timestampNs;
+    // float pixels[img_width];
+    Counters counters {};
+    // unsigned int measurementCounter;
+    // uint32_t timestampUs;
+    // int32_t encoderPosition;
+};
+
+struct Pixels
+{
+    Counters counters {};
+    std::array<float, img_width> pixels { 0.f };
 };
 
 size_t pgm_save(Image *img, FILE *outfile, bool really_save = false);
@@ -35,4 +51,4 @@ T median3(const T& a, const T& b, const T& c) {
 }
 
 void rotate(Image & image);
-void process_columns(Image & image);
+Pixels process_columns(Image & image);