esptool.py output:
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% /usr/local/bin/esptool.py --port=/dev/cu.usbmodem01 --after=no_reset write_flash 0x0 tinyuf2-adafruit_magtag_29gray-0/combined.bin
esptool.py v3.2
Serial port /dev/cu.usbmodem01
Connecting...
Detecting chip type... Unsupported detection protocol, switching and trying again...
Connecting...
Detecting chip type... ESP32-S2
Chip is ESP32-S2
Features: WiFi, No Embedded Flash, No Embedded PSRAM, ADC and temperature sensor calibration in BLK2 of efuse V1
Crystal is 40MHz
MAC: xxx
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Flash will be erased from 0x00000000 to 0x002f2fff...
Compressed 3090400 bytes to 110178...
Wrote 3090400 bytes (110178 compressed) at 0x00000000 in 23.0 seconds (effective 1073.3 kbit/s)...
Hash of data verified.
Leaving...
Staying in bootloader.
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TinyUF2 Bootloader 0.7.0 - tinyusb (0.12.0-203-ga4cfd1c6)
Model: Adafruit MagTag 2.9 Grayscale
Board-ID: ESP32S2-MagTag_29gray-revC
Date: Dec 28 2021
Code: Select all
Adafruit CircuitPython 7.1.0 on 2021-12-28; Adafruit MagTag with ESP32S2
Board ID:adafruit_magtag_2.9_grayscale