IDF master 606557b48

Author: me-no-dev

platform.txt

@@ -227,6 +227,8 @@ class ESPLoader(object):
     CHIP_NAME = "Espressif device"
     IS_STUB = False
 
+    FPGA_SLOW_BOOT = False
+
     DEFAULT_PORT = "/dev/ttyUSB0"
 
     # Commands supported by ESP8266 ROM bootloader
@@ -540,9 +542,8 @@ def _get_pid(self):
                 return p.pid
         print("\nFailed to get PID of a device on {}, using standard reset sequence.".format(active_port))
 
-    def bootloader_reset(self, esp32r0_delay=False, usb_jtag_serial=False):
-        """ Issue a reset-to-bootloader, with esp32r0 workaround options
-        and USB-JTAG-Serial custom reset sequence option
+    def bootloader_reset(self, usb_jtag_serial=False):
+        """ Issue a reset-to-bootloader, with USB-JTAG-Serial custom reset sequence option
         """
         # RTS = either CH_PD/EN or nRESET (both active low = chip in reset)
         # DTR = GPIO0 (active low = boot to flasher)
@@ -565,35 +566,23 @@ def bootloader_reset(self, esp32r0_delay=False, usb_jtag_serial=False):
             self._setDTR(False)
             self._setRTS(False)
         else:
+            # This extra delay is for Espressif internal use
+            extra_delay = True if self.FPGA_SLOW_BOOT and os.environ.get("ESPTOOL_ENV_FPGA", "").strip() == "1" else False
+
             self._setDTR(False)  # IO0=HIGH
             self._setRTS(True)   # EN=LOW, chip in reset
             time.sleep(0.1)
-            if esp32r0_delay:
-                # Some chips are more likely to trigger the esp32r0
-                # watchdog reset silicon bug if they're held with EN=LOW
-                # for a longer period
-                time.sleep(1.2)
             self._setDTR(True)   # IO0=LOW
             self._setRTS(False)  # EN=HIGH, chip out of reset
-            if esp32r0_delay:
-                # Sleep longer after reset.
-                # This workaround only works on revision 0 ESP32 chips,
-                # it exploits a silicon bug spurious watchdog reset.
-                time.sleep(0.4)  # allow watchdog reset to occur
+
+            if extra_delay:
+                time.sleep(7)
+
             time.sleep(0.05)
             self._setDTR(False)  # IO0=HIGH, done
 
-    def _connect_attempt(self, mode='default_reset', esp32r0_delay=False, usb_jtag_serial=False):
-        """ A single connection attempt, with esp32r0 workaround options """
-        # esp32r0_delay is a workaround for bugs with the most common auto reset
-        # circuit and Windows, if the EN pin on the dev board does not have
-        # enough capacitance.
-        #
-        # Newer dev boards shouldn't have this problem (higher value capacitor
-        # on the EN pin), and ESP32 revision 1 can't use this workaround as it
-        # relies on a silicon bug.
-        #
-        # Details: https://github.com/espressif/esptool/issues/136
+    def _connect_attempt(self, mode='default_reset', usb_jtag_serial=False):
+        """ A single connection attempt """
         last_error = None
 
         # If we're doing no_sync, we're likely communicating as a pass through
@@ -602,7 +591,7 @@ def _connect_attempt(self, mode='default_reset', esp32r0_delay=False, usb_jtag_s
             return last_error
 
         if mode != 'no_reset':
-            self.bootloader_reset(esp32r0_delay, usb_jtag_serial)
+            self.bootloader_reset(usb_jtag_serial)
 
         for _ in range(5):
             try:
@@ -611,10 +600,7 @@ def _connect_attempt(self, mode='default_reset', esp32r0_delay=False, usb_jtag_s
                 self.sync()
                 return None
             except FatalError as e:
-                if esp32r0_delay:
-                    print('_', end='')
-                else:
-                    print('.', end='')
+                print('.', end='')
                 sys.stdout.flush()
                 time.sleep(0.05)
                 last_error = e
@@ -641,10 +627,7 @@ def connect(self, mode='default_reset', attempts=DEFAULT_CONNECT_ATTEMPTS, detec
 
         try:
             for _ in range(attempts) if attempts > 0 else itertools.count():
-                last_error = self._connect_attempt(mode=mode, esp32r0_delay=False, usb_jtag_serial=usb_jtag_serial)
-                if last_error is None:
-                    break
-                last_error = self._connect_attempt(mode=mode, esp32r0_delay=True, usb_jtag_serial=usb_jtag_serial)
+                last_error = self._connect_attempt(mode=mode, usb_jtag_serial=usb_jtag_serial)
                 if last_error is None:
                     break
         finally:
@@ -1401,6 +1384,8 @@ class ESP32ROM(ESPLoader):
     IMAGE_CHIP_ID = 0
     IS_STUB = False
 
+    FPGA_SLOW_BOOT = True
+
     CHIP_DETECT_MAGIC_VALUE = [0x00f01d83]
 
     IROM_MAP_START = 0x400d0000
@@ -1673,6 +1658,8 @@ class ESP32S2ROM(ESP32ROM):
     CHIP_NAME = "ESP32-S2"
     IMAGE_CHIP_ID = 2
 
+    FPGA_SLOW_BOOT = False
+
     IROM_MAP_START = 0x40080000
     IROM_MAP_END   = 0x40b80000
     DROM_MAP_START = 0x3F000000
@@ -1900,6 +1887,8 @@ class ESP32S3ROM(ESP32ROM):
 
     CHIP_DETECT_MAGIC_VALUE = [0x9]
 
+    FPGA_SLOW_BOOT = False
+
     IROM_MAP_START = 0x42000000
     IROM_MAP_END   = 0x44000000
     DROM_MAP_START = 0x3c000000
@@ -2024,6 +2013,8 @@ class ESP32C3ROM(ESP32ROM):
     CHIP_NAME = "ESP32-C3"
     IMAGE_CHIP_ID = 5
 
+    FPGA_SLOW_BOOT = False
+
     IROM_MAP_START = 0x42000000
     IROM_MAP_END   = 0x42800000
     DROM_MAP_START = 0x3c000000

tools/esptool.py

@@ -295,7 +295,7 @@
         "UNITY_INCLUDE_CONFIG_H",
         "WITH_POSIX",
         "_GNU_SOURCE",
-        ("IDF_VER", '\\"v4.4-dev-2359-g58022f859\\"'),
+        ("IDF_VER", '\\"v4.4-dev-2464-g606557b48\\"'),
         "ESP_PLATFORM",
         "ARDUINO_ARCH_ESP32",
         "ESP32",

tools/platformio-build-esp32.py

@@ -281,7 +281,7 @@
         "UNITY_INCLUDE_CONFIG_H",
         "WITH_POSIX",
         "_GNU_SOURCE",
-        ("IDF_VER", '\\"v4.4-dev-2359-g58022f859\\"'),
+        ("IDF_VER", '\\"v4.4-dev-2464-g606557b48\\"'),
         "ESP_PLATFORM",
         "ARDUINO_ARCH_ESP32",
         "ESP32",

tools/platformio-build-esp32c3.py

@@ -281,7 +281,7 @@
         "UNITY_INCLUDE_CONFIG_H",
         "WITH_POSIX",
         "_GNU_SOURCE",
-        ("IDF_VER", '\\"v4.4-dev-2359-g58022f859\\"'),
+        ("IDF_VER", '\\"v4.4-dev-2464-g606557b48\\"'),
         "ESP_PLATFORM",
         "ARDUINO_ARCH_ESP32",
         "ESP32",