Remove explicit mass erase to prevent DFU timeouts (v1.0.6)

Author: willbearfruits

web-flasher/dfu.js

@@ -253,31 +253,10 @@ class DFUDevice {
 
             // Set address to flash start
             await this.setAddress(this.startAddress);
-            progressCallback({ stage: 'erase', percent: 5, message: 'Erasing flash...' });
-
-            // Mass erase (0x41 at address 0x08000000)
-            await this.erase(this.startAddress);
-            progressCallback({ stage: 'erase', percent: 10, message: 'Flash erased' });
-
-            // Wait a moment for the device to stabilize after mass erase
-            await new Promise(resolve => setTimeout(resolve, 500));
-
-            // Check status to ensure we are still connected and ready
-            try {
-                const status = await this.getStatus();
-                if (status.state === DFU_STATE.DFU_ERROR) {
-                    await this.clearStatus();
-                }
-            } catch (e) {
-                console.warn('Status check failed between erase and write:', e);
-            }
-
-            progressCallback({ stage: 'write', percent: 10, message: 'Preparing to write...' });
-
-            // Set address again for writing
-            await this.setAddress(this.startAddress);
+            
+            progressCallback({ stage: 'write', percent: 5, message: 'Writing firmware...' });
 
-            // Download firmware in chunks
+            // Download firmware in chunks (implicit erase by bootloader)
             const totalBlocks = Math.ceil(firmwareData.byteLength / this.transferSize);
             let blockNum = 2; // Start at block 2 (0 and 1 used for commands)
 

web-flasher/index.html

@@ -125,13 +125,13 @@ <h4>Activity Log</h4>
             <p>Built with ❤️ using WebUSB API |
                 <a href="https://github.com/willbearfruits/KarplusStrongMachine" target="_blank">View on GitHub</a> |
                 <a href="README.md">Documentation</a> |
-                <span class="version">Web Flasher v1.0.5</span>
+                <span class="version">Web Flasher v1.0.6</span>
             </p>
             <p class="small">Requires Chrome/Chromium browser with WebUSB support</p>
         </footer>
     </div>
 
-    <script type="module" src="dfu.js?v=1.0.5"></script>
-    <script type="module" src="flasher.js?v=1.0.5"></script>
+    <script type="module" src="dfu.js?v=1.0.6"></script>
+    <script type="module" src="flasher.js?v=1.0.6"></script>
 </body>
 </html>