From 6384d0ea2e9ccb304ce3f4e4d03b9efec26ada39 Mon Sep 17 00:00:00 2001
From: "Matthias@Dell" <matthiasqui@protonmail.com>
Date: Thu, 28 Dec 2023 11:22:55 +0100
Subject: [PATCH] wip: xfer size

---
 arduino/arduino.ino | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arduino/arduino.ino b/arduino/arduino.ino
index 84841a7..ed2f069 100644
--- a/arduino/arduino.ino
+++ b/arduino/arduino.ino
@@ -95,6 +95,9 @@ void write() {
     /*     Serial.print(","); */
     /* } */
     /* Serial.println("."); */
+    // transfer the size in LE
+    SPI.transfer(static_cast<uint8_t>(size));
+    SPI.transfer(static_cast<uint8_t>(size >> 8));
 
     SPI.transfer(buffer, size);
     Serial.write(ControlBytes::WRITE);
@@ -154,6 +157,14 @@ void loop() {
             break;
         }
         case ControlBytes::WRITE: {
+            digitalWrite(LEDG, LOW);
+            digitalWrite(LEDR, HIGH);
+            read();
+            digitalWrite(LEDR, LOW);
+            digitalWrite(LEDG, HIGH);
+            break;
+        }
+        case ControlBytes::READ: {
             digitalWrite(LEDG, LOW);
             digitalWrite(LEDR, HIGH);
             write();