ESP32-DevKitC

ESP32-DevKitC

Sample firmware

  • esp32-wroom-32_hello_world_zephyr_2.7.0.bin: Zephyr RTOS hello world sample for ESP32

  • esp32-wroom-32_bootloader.bin: ESP32 example bootloader

  • esp32-wroom-32_partitions_singleapp.bin: ESP32 example partition table

  • Zephyr Samples > Firmware Binaries

See also

References

Identify ESP32 (built-in USB-CDC)

The following test plan identifies the ESP32 MCU over UART, using the CP201X USB-CDC adapter included in the ESP32 DevKitC board.

Connect the DevKitC USB port to any of the PLT’s USB DUT or Peripheral USB ports.

YAML test plan

title: "Identify ESP32 DevKitC over built-in CP210X USB-CDC"
suite:

 - title: "Defines"
   steps:

    - command: define DUT_UART "UART2"
    - command: define CP210X_VIDPID "10c4:ea60"

 - title: "Extract ESP32.MCUID"
   steps:

    - command: uartCfg %DUT_UART% 115200
      title: "Setup DevKitC on-board UART adapter"
      id: "%CP210X_VIDPID%"

    - command: identify ESP32_UART %DUT_UART%
      title: "Identify ESP32 MCU ID"

Identify and Program ESP32 (UART)

Connection

ESP32-DevKitC - PLT connection

PLT signal

ESP32

UARTx_RXD

ESP32:TXD (GPIO1)

UARTx_TXD

ESP32:RXD (GPIO3)

UARTx_CTS

n.c.

UARTx_RTS

ESP32:EN

UARTx_VDD

ESP32:3V3

GND

ESP32:GND

GND

ESP32:GPIO0

YAML test plan

title: "Identify, Erase, and Program ESP32 over UART"
suite:
- ident: TPM
  title: "Defines"
  steps:

    # UART0 (HD78)
    # - command: define DUT_UART "UART0" # UART channel for ESP32 UART interaction
    # - command: define DUT_POWER "UART0" # Power rail to control ESP32

    # UART1 (HD78)
    # - command: define DUT_UART "UART1" # UART channel for ESP32 UART interaction
    # - command: define DUT_POWER "UART1" # Power rail to control ESP32

    # UART2 (USB-CDC)
    - command: define DUT_UART "UART2" # UART channel for ESP32 UART interaction
    - command: define DUT_POWER "3V3"  # Power rail to control ESP32
    #- command: define FTDI_VIDPID "0403:6001" # FTDI (generic)
    - command: define FTDI_VIDPID "0403:6010" # FTDI FT2232 series

- ident: FT2232H
  title: "Setup FT2232H UART (USB-CDC)"
  steps:
    - command: usb detect
      id: "%FTDI_VIDPID%"
    - command: uartCfg %DUT_UART% 115200
      id: "%FTDI_VIDPID%"
      interface: "0"  # FTDI Channel A
      # interface: "1"  # FTDI Channel B

- ident: ESP32
  title: "Program ESP32 over UART"
  steps:
  - command: power %DUT_POWER% on
    title: "Power on ESP32."
  - command: sleepms 100
  - command: power %DUT_POWER% off
    title: "Power cycle sequence to put ESP32 into programming mode."
  - command: sleepms 100
  - command: power %DUT_POWER% on
    title: "Power on ESP32."
  - command: sleepms 100
  - command: identify ESP32_UART %DUT_UART%
  - command: program ESP32_UART %DUT_UART% 0x1000:esp32-wroom-32_bootloader.bin,0x8000:esp32-wroom-32_partitions_singleapp.bin,0x10000:esp32-wroom-32_hello_world_zephyr_2.7.0.bin
    title: "Program bootlader, partition table, and binary."
  - command: power %DUT_POWER% off
    title: "Power off ESP32."

See also