Zephyr TTGO T-OI-Plus Test Report

Test Environment

Operating System Information

• Source Code: https://github.com/zephyrproject-rtos/zephyr/tree/main
• Reference Installation Document: https://docs.zephyrproject.org/latest/boards/lilygo/ttgo_toiplus/doc/index.html

Hardware Information

• TTGO T-OI-Plus
• USB to UART Debugger
• Type-C cable

Installation Steps

Installing Zephyr

Create a virtual environment:

python3 -m venv ~/zephyrproject/.venv
source ~/zephyrproject/.venv/bin/activate
pip install west

Get Zephyr:

west init ~/zephyrproject
cd ~/zephyrproject
west update

Set up the environment:

west zephyr-export
pip install -r ~/zephyrproject/zephyr/scripts/requirements.txt

Compiling the Code

Compile the code using west:

west build -p always -b ttgo_toiplus samples/hello_world

Flashing the Image

west flash --esp-device /dev/ttyACM0 --esp-baud-rate 115200

Expected Results

The system should boot normally and allow viewing information via the onboard serial port.

Actual Results

The system booted normally and viewing information via the onboard serial port was successful.

Boot Log

ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0x1 (POWERON),boot:0xd (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fc87b20,len:0xe40
load:0x3fc88960,len:0x68c
load:0x40380000,len:0x7b10
SHA-256 comparison failed:
Calculated: 3499b2a5624bd64a6eb6f4d4b265ad490310cf854d30c21c0cb430077a50a49c
Expected: 00000000e06f0000000000000000000000000000000000000000000000000000
Attempting to boot anyway...
entry 0x40381296
I (54) soc_init: ESP Simple boot
I (54) soc_init: compile time Feb 28 2025 22:02:17
I (54) soc_init: chip revision: v0.4
I (54) flash_init: SPI Speed      : 80MHz
I (57) flash_init: SPI Mode       : DIO
I (61) flash_init: SPI Flash Size : 4MB
I (64) boot: DRAM: lma 0x00000020 vma 0x3fc87b20 len 0xe40    (3648)
I (70) boot: DRAM: lma 0x00000e68 vma 0x3fc88960 len 0x68c    (1676)
I (76) boot: IRAM: lma 0x000014fc vma 0x40380000 len 0x7b10   (31504)
I (83) boot: IRAM: lma 0x00009018 vma 0x00000000 len 0x6fe0   (28640)
I (89) boot: IMAP: lma 0x00010000 vma 0x42000000 len 0x2a34   (10804)
I (95) boot: IRAM: lma 0x00012a3c vma 0x00000000 len 0xd5bc   (54716)
I (101) boot: DMAP: lma 0x00020000 vma 0x3c010000 len 0x548    (1352)
I (107) boot: Image with 7 segments
I (110) boot: IROM segment: paddr=00010000h, vaddr=42000000h, size=02A32h ( 10802) map
I (118) boot: DROM segment: paddr=00020000h, vaddr=3c010000h, size=00550h (  1360) map
I (137) boot: libc heap size 258 kB.
I (137) spi_flash: detected chip: winbond
I (137) spi_flash: flash io: dio
*** Booting Zephyr OS build v4.1.0-rc2-119-gb74b092f22ea ***
Hello World! ttgo_toiplus/esp32c3

Test Criteria

Successful: The actual result matches the expected result.

Failed: The actual result does not match the expected result.

Test Conclusion

Test successful.