119     def get_pkg_version(self):  argument
121         return (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * num_word)) >> 21) & 0x07
123     def get_minor_chip_version(self):  argument
125         hi = (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * hi_num_word)) >> 23) & 0x01
127         low = (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * low_num_word)) >> 18) & 0x07
130     def get_major_chip_version(self):  argument
132         return (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * num_word)) >> 24) & 0x03
134     def get_flash_cap(self):  argument
136         return (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * num_word)) >> 27) & 0x07
138     def get_flash_vendor(self):  argument
140         vendor_id = (self.read_reg(self.EFUSE_BLOCK1_ADDR + (4 * num_word)) >> 0) & 0x07
143     def get_chip_description(self):  argument
149         }.get(self.get_pkg_version(), "unknown ESP32-C3")
150         major_rev = self.get_major_chip_version()
151         minor_rev = self.get_minor_chip_version()
154     def get_chip_features(self):  argument
163         }.get(self.get_flash_cap(), "Unknown Embedded Flash")
168     def get_crystal_freq(self):  argument
172     def get_flash_voltage(self):  argument
175     def override_vddsdio(self, new_voltage):  argument
180     def read_mac(self, mac_type="BASE_MAC"):  argument
184         mac0 = self.read_reg(self.MAC_EFUSE_REG)
185         mac1 = self.read_reg(self.MAC_EFUSE_REG + 4)  # only bottom 16 bits are MAC
189     def get_flash_crypt_config(self):  argument
192     def get_secure_boot_enabled(self):  argument
194             self.read_reg(self.EFUSE_SECURE_BOOT_EN_REG)
195             & self.EFUSE_SECURE_BOOT_EN_MASK
198     def get_key_block_purpose(self, key_block):  argument
199         if key_block < 0 or key_block > self.EFUSE_MAX_KEY:
205             (self.EFUSE_PURPOSE_KEY0_REG, self.EFUSE_PURPOSE_KEY0_SHIFT),
206             (self.EFUSE_PURPOSE_KEY1_REG, self.EFUSE_PURPOSE_KEY1_SHIFT),
207             (self.EFUSE_PURPOSE_KEY2_REG, self.EFUSE_PURPOSE_KEY2_SHIFT),
208             (self.EFUSE_PURPOSE_KEY3_REG, self.EFUSE_PURPOSE_KEY3_SHIFT),
209             (self.EFUSE_PURPOSE_KEY4_REG, self.EFUSE_PURPOSE_KEY4_SHIFT),
210             (self.EFUSE_PURPOSE_KEY5_REG, self.EFUSE_PURPOSE_KEY5_SHIFT),
212         return (self.read_reg(reg) >> shift) & 0xF
214     def is_flash_encryption_key_valid(self):  argument
217             self.get_key_block_purpose(b) for b in range(self.EFUSE_MAX_KEY + 1)
220         return any(p == self.PURPOSE_VAL_XTS_AES128_KEY for p in purposes)
222     def change_baud(self, baud):  argument
223         ESPLoader.change_baud(self, baud)
225     def uses_usb_jtag_serial(self):  argument
229         if self.secure_download_mode:
231         return self.get_uart_no() == self.UARTDEV_BUF_NO_USB_JTAG_SERIAL
233     def disable_watchdogs(self):  argument
236         if self.uses_usb_jtag_serial():
238             self.write_reg(self.RTC_CNTL_WDTWPROTECT_REG, self.RTC_CNTL_WDT_WKEY)
239             self.write_reg(self.RTC_CNTL_WDTCONFIG0_REG, 0)
240             self.write_reg(self.RTC_CNTL_WDTWPROTECT_REG, 0)
243             self.write_reg(self.RTC_CNTL_SWD_WPROTECT_REG, self.RTC_CNTL_SWD_WKEY)
244             self.write_reg(
245                 self.RTC_CNTL_SWD_CONF_REG,
246                 self.read_reg(self.RTC_CNTL_SWD_CONF_REG)
247                 | self.RTC_CNTL_SWD_AUTO_FEED_EN,
249             self.write_reg(self.RTC_CNTL_SWD_WPROTECT_REG, 0)
251     def _post_connect(self):  argument
252         if not self.sync_stub_detected:  # Don't run if stub is reused
253             self.disable_watchdogs()
255     def check_spi_connection(self, spi_connection):  argument
276     def __init__(self, rom_loader):  argument
277         self.secure_download_mode = rom_loader.secure_download_mode
278         self._port = rom_loader._port
279         self._trace_enabled = rom_loader._trace_enabled
280         self.cache = rom_loader.cache
281         self.flush_input()  # resets _slip_reader