fix(esp32-c6): Disable RTC WDT reset to prevent port disappearing

Author: radimkarnis

esptool/targets/esp32c6.py

@@ -6,6 +6,7 @@
 import struct
 
 from .esp32c3 import ESP32C3ROM
+from ..loader import ESPLoader
 from ..util import FatalError, NotImplementedInROMError
 
 
@@ -194,6 +195,11 @@ def check_spi_connection(self, spi_connection):
                 "consider using other pins for SPI flash connection."
             )
 
+    def hard_reset(self):
+        # Bug in the USB-Serial/JTAG controller can cause the port to disappear
+        # if the chip is reset with RTC WDT, do a classic reset
+        ESPLoader.hard_reset(self)
+
 
 class ESP32C6StubLoader(ESP32C6ROM):
     """Access class for ESP32C6 stub loader, runs on top of ROM.

esptool/targets/esp32h2.py

@@ -80,6 +80,7 @@ def get_crystal_freq(self):
         return 32
 
     def hard_reset(self):
+        # RTC WDT reset not available, do a classic reset
         ESPLoader.hard_reset(self)
 
     def check_spi_connection(self, spi_connection):