From b6eb7a1db9e4265777e6935c73e08a026f95b2bc Mon Sep 17 00:00:00 2001
From: Tony <tonymckahan@gmail.com>
Date: Sun, 14 Jun 2020 00:52:19 -0400
Subject: [PATCH 1/5] Add WIP chtool upload

Add uploader to support CH55x MCS-51 USB chips
---
 builder/main.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/builder/main.py b/builder/main.py
index da7f4a4..34be4ab 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -161,6 +161,19 @@ def _parseSdccFlags(flags):
         env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")
     ]
 
+# CH55x upload tool
+elif upload_protocol == "ch55x":
+    UPLOADER="ch55xtool.py"
+    UPLOADERFLAGS=[
+        "-r","-f"
+    ];
+    UPLOADCMD="python3 $UPLOADER $UPLOADERFLAGS $BUILD_DIR/${PROGNAME}.bin"
+    upload_actions = [
+        env.VerboseAction(" ".join(["$OBJCOPY","-I","ihex","-O","binary",
+            "$SOURCE", "$BUILD_DIR/${PROGNAME}.bin"]), "Creating binary"),
+        env.VerboseAction("$UPLOADCMD", "Uploading ${PROGNAME}.bin")
+    ]
+
 # custom upload tool
 elif upload_protocol == "custom":
     upload_actions = [env.VerboseAction("$UPLOADCMD", "Uploading $SOURCE")]

From 2a26ffdc1db618732e15f26cb892fc4dffd937f0 Mon Sep 17 00:00:00 2001
From: Tony <tonymckahan@gmail.com>
Date: Sun, 14 Jun 2020 01:18:40 -0400
Subject: [PATCH 2/5] Add CH559 board definition

---
 boards/ch559.json | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 boards/ch559.json

diff --git a/boards/ch559.json b/boards/ch559.json
new file mode 100644
index 0000000..937743a
--- /dev/null
+++ b/boards/ch559.json
@@ -0,0 +1,20 @@
+{
+  "build": {
+    "f_cpu": "56000000L",
+    "size_iram": 256,
+    "size_xram": 6144,
+    "size_code": 65536,
+    "size_heap": 128,
+    "mcu": "ch559",
+    "cpu": "mcs51"
+  },
+  "frameworks": [],
+  "upload": {
+    "maximum_ram_size": 6400,
+    "maximum_size": 65536,
+    "protocol": "ch55x"
+  },
+  "name": "CH559",
+  "url": "http://www.wch-ic.com/products/CH559.html",
+  "vendor": "WCH"
+}

From 1c3964a2930811c9b756e5121e89d585615abafe Mon Sep 17 00:00:00 2001
From: Tony <tonymckahan@gmail.com>
Date: Sun, 14 Jun 2020 02:09:38 -0400
Subject: [PATCH 3/5] Update ch559.json

change f_cpu to match reset state, per data sheet:

After reset, Fosc = 12MHz, Fpll = 288MHz, Fusb4x = 48MHz, Fsys = 12MHz.
---
 boards/ch559.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/boards/ch559.json b/boards/ch559.json
index 937743a..e55ffc1 100644
--- a/boards/ch559.json
+++ b/boards/ch559.json
@@ -1,6 +1,6 @@
 {
   "build": {
-    "f_cpu": "56000000L",
+    "f_cpu": "12000000L",
     "size_iram": 256,
     "size_xram": 6144,
     "size_code": 65536,

From 13b5c6032631689325e7ffd2d26b35944b44eb03 Mon Sep 17 00:00:00 2001
From: Tony <tonymckahan@gmail.com>
Date: Sun, 14 Jun 2020 10:02:30 -0400
Subject: [PATCH 4/5] fix the omission of "env.Replace"

Now working with manual placement of ch55xtool.py in project folder
---
 builder/main.py | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/builder/main.py b/builder/main.py
index 34be4ab..8df5661 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -163,11 +163,13 @@ def _parseSdccFlags(flags):
 
 # CH55x upload tool
 elif upload_protocol == "ch55x":
-    UPLOADER="ch55xtool.py"
-    UPLOADERFLAGS=[
-        "-r","-f"
-    ];
-    UPLOADCMD="python3 $UPLOADER $UPLOADERFLAGS $BUILD_DIR/${PROGNAME}.bin"
+    env.Replace(
+        UPLOADER="ch55xtool.py",
+        UPLOADERFLAGS=[
+            "-f"
+        ],
+        UPLOADCMD="python3 $UPLOADER $UPLOADERFLAGS $BUILD_DIR/${PROGNAME}.bin")
+
     upload_actions = [
         env.VerboseAction(" ".join(["$OBJCOPY","-I","ihex","-O","binary",
             "$SOURCE", "$BUILD_DIR/${PROGNAME}.bin"]), "Creating binary"),

From ce8ab0a29db6e2816703a21643eeed517f14de89 Mon Sep 17 00:00:00 2001
From: Tony <tonymckahan@gmail.com>
Date: Sun, 10 Apr 2022 23:31:50 -0400
Subject: [PATCH 5/5] update python3 to $PYTHONEXE

Per https://github.com/platformio/platform-intel_mcs51/pull/29#discussion_r846836842
---
 builder/main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/builder/main.py b/builder/main.py
index 8df5661..cd038c8 100644
--- a/builder/main.py
+++ b/builder/main.py
@@ -168,7 +168,7 @@ def _parseSdccFlags(flags):
         UPLOADERFLAGS=[
             "-f"
         ],
-        UPLOADCMD="python3 $UPLOADER $UPLOADERFLAGS $BUILD_DIR/${PROGNAME}.bin")
+        UPLOADCMD="$PYTHONEXE $UPLOADER $UPLOADERFLAGS $BUILD_DIR/${PROGNAME}.bin")
 
     upload_actions = [
         env.VerboseAction(" ".join(["$OBJCOPY","-I","ihex","-O","binary",