From 33615ce3701f0e0001ef1e23517efb0c38a71b5f Mon Sep 17 00:00:00 2001
From: Paul Kendall <pkendall64@gmail.com>
Date: Thu, 7 Jul 2022 16:26:28 +1200
Subject: [PATCH] Add soft reset

---
 ESPLoader.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/ESPLoader.js b/ESPLoader.js
index 6dfd655..beaf08a 100644
--- a/ESPLoader.js
+++ b/ESPLoader.js
@@ -746,6 +746,7 @@ class ESPLoader {
     // Only Stub supported commands
     ESP_ERASE_FLASH = 0xD0;
     ESP_ERASE_REGION = 0xD1;
+    ESP_RUN_USER_CODE = 0xD3;
 
     ESP_IMAGE_MAGIC = 0xe9;
     ESP_CHECKSUM_MAGIC = 0xef;
@@ -1586,6 +1587,23 @@ class ESPLoader {
         this.log("Device: "+((flashid >> 8) & 0xff).toString(16) + flid_lowbyte.toString(16));
         this.log("Detected flash size: " + this.DETECTED_FLASH_SIZES[flid_lowbyte]);
     }
+
+    soft_reset = async() => {
+        if (!this.IS_STUB) {
+            // 'run user code' is as close to a soft reset as we can do
+            this.flash_begin(0, 0);
+            this.flash_finish(false);
+        } else {
+            if (this.chip.CHIP_NAME != "ESP8266") {
+                throw("Soft resetting is currently only supported on ESP8266");
+            } else {
+                // running user code from stub loader requires some hacks
+                // in the stub loader
+                this.command({op: this.ESP_RUN_USER_CODE, wait_response: false});
+            }
+        }
+
+    }
 }