ESP32-DevKitC

ESP32-DevKitC

Vendor: Espressif Systems
RF SoC: ESP32

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

Identify and Program ESP32 (UART)

Connection

ESP32-DevKitC - PLT connection
PLT-200A UART/TP pin	PLT signal	ESP32
1	`UART0_RXD`	ESP32:TXD (GPIO1)
2	`UART0_TXD`	ESP32:RXD (GPIO3)
3	`UART0_CTS`	n.c.
4	`UART0_RTS`	ESP32:EN
5	`UART0_VDD`	ESP32:3V3
6	`GND`	ESP32:GND
6	`GND`	ESP32:GPIO0

../../../_images/plt200a-esp32-devkitc-hookup.jpg

YAML test plan

esp32-identify-program-uart0.yaml: Identify, Erase, and Program ESP32 over UART0

suite:
- ident: ICT-T1
  title: Toggle UART0_VDD
  steps:
    # Toggle power to put DUT into programming mode.
    - command: power UART0 on
    - command: sleepms 100
    - command: power UART0 off
    - command: sleepms 100
    - command: power UART0 on
    - command: sleepms 100
- ident: ICT-T2
  title: Identify DUT
  steps:
  - command: identify ESP32_UART UART0
- ident: ICT-T3
  title: Program DUT
  steps:
  # Program bootloader, partition table, and binary.
  - command: program ESP32_UART UART0 0x1000:esp32-wroom-32_bootloader.bin,0x8000:esp32-wroom-32_partitions_singleapp.bin,0x10000:esp32-wroom-32_hello_world_zephyr_2.7.0.bin
- ident: ICT-T4
  title: Power off
  steps:
  - command: power UART0 off