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🏆 T3-STM32 🏆

project

The STM32WL55CCU6 long-range wireless and ultra-low-power devices embed a powerful and ultra-low-power LPWAN-compliant radio solution, enabling the following modulations: LoRa®, (G)FSK, (G)MSK, and BPSK.

STM32WL55CCU6 256-Kbyte flash memory, 64-Kbyte SRAM

examples

For more information about the examples, see the README.md file in the examples directory.

Note that when using UART to view the log, the baud rate is 9600.

Refer to the STM32CubeMX resource pack for more example. It is usually under path C:\Users\user\STM32Cube\Repository\STM32Cube_FW_WL_V1.x.0\Projects

├─1_led : Create simple projects
├─2_jlink_rtt_print : Used only to test jlink printing
├─3_sdcard : Test TF card screen
├─4_oled : Test oled screen
├─5_RF_test : This example is AT Slave and is only used for RF testing
├─6_SubGHz_TXRX : Transceiver test using Lora modulation
├─DeepSleep : Test board sleep power consumption
├─PingPong : Port CubeMX package SubGHz_Phy_PingPong program

firmware

The factory firmware in T3_STM32_Firmware\xxx.hex is generated using examples\6_SubGHz_TXRX, the only difference between them is transceiver and frequency.

Other firmware can be downloaded at examples\[project]\MDK-ARM\[project]\[project].hex

download

There are many ways to download the program, jlink, stlink, UART;

Note that before using jlink or stlink to download the program, you should install the corresponding driver.

ST official programming software download STM32CubeProgrammer download

jlink download

  1. Installing jlink driver, Then connect jlink to the board.

  2. After installing jlink, open J-Flash Lite to download the firmware.

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  1. Select the following configuration.

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  1. Click (1) to load the firmware and click (2) to download the firmware.

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If you use STM32CubeProgrammer, you can:

  • 1、Select jlink and click Connect
  • 2、Select the firmware you want to download
  • 3、Click the Download button to download

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UART download

Insert the device into the power supply and enter the download mode.

Press and hold the boot key, then click the rst key; At last, first release the rst key, then release the boot key;

  1. Select the UART download mode
  2. Select the correct serial port
  3. RTS/DTR Select Negative pulse mode
  4. Finally click Connect

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After the connection is successful, you can click the + sign to add the firmware you want to download

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STlink download