Update: 更新esptool ( version: 4.7.0 )

tools/python/esptool/targets/esp32c2.py

@@ -8,6 +8,7 @@ import time
 
 from .esp32c3 import ESP32C3ROM
 from loader import ESPLoader
+from util import FatalError
 
 
 class ESP32C2ROM(ESP32C3ROM):
@@ -61,6 +62,8 @@ class ESP32C2ROM(ESP32C3ROM):
         [0x4037C000, 0x403C0000, "IRAM"],
     ]
 
+    UF2_FAMILY_ID = 0x2B88D29C
+
     def get_pkg_version(self):
         num_word = 1
         return (self.read_reg(self.EFUSE_BLOCK2_ADDR + (4 * num_word)) >> 22) & 0x07
@@ -82,6 +85,16 @@ class ESP32C2ROM(ESP32C3ROM):
         num_word = 1
         return (self.read_reg(self.EFUSE_BLOCK2_ADDR + (4 * num_word)) >> 20) & 0x3
 
+    def get_flash_cap(self):
+        # ESP32-C2 doesn't have eFuse field FLASH_CAP.
+        # Can't get info about the flash chip.
+        return 0
+
+    def get_flash_vendor(self):
+        # ESP32-C2 doesn't have eFuse field FLASH_VENDOR.
+        # Can't get info about the flash chip.
+        return ""
+
     def get_crystal_freq(self):
         # The crystal detection algorithm of ESP32/ESP8266 works for ESP32-C2 as well.
         return ESPLoader.get_crystal_freq(self)
@@ -110,7 +123,7 @@ class ESP32C2ROM(ESP32C3ROM):
 
     def _post_connect(self):
         # ESP32C2 ECO0 is no longer supported by the flasher stub
-        if self.get_chip_revision() == 0:
+        if not self.secure_download_mode and self.get_chip_revision() == 0:
             self.stub_is_disabled = True
             self.IS_STUB = False
 
@@ -142,6 +155,10 @@ class ESP32C2ROM(ESP32C3ROM):
                     return True
             return False
 
+    def check_spi_connection(self, spi_connection):
+        if not set(spi_connection).issubset(set(range(0, 21))):
+            raise FatalError("SPI Pin numbers must be in the range 0-20.")
+
 
 class ESP32C2StubLoader(ESP32C2ROM):
     """Access class for ESP32C2 stub loader, runs on top of ROM.