hwhobby

HW related small programs for my hobby

• Build on Ubuntu x86-64 Linux with CMake and GNU cross compilers

Target boards as controllers

Support target boards.

• Raspberry Pi
• STM32F103C8T6

Maybe support someday

• Arduino Pro mini
• Raspberry Pi 2B / 3B / 3B+
• 2051

Modules to play with

Support modules

• Onboard LED blink
• Four 7-segment LED display module on TM1637 chip

Maybe support someday

• LCD 1602 with I2C on HD44780 chip
• OLED 128x64 B/W with I2C on SSD1306 chip

Source tree

Look inside modules/tools folder to begin.

Compile and run

STM32F103

Compile in x86-64 host

make stm

Flash with USB-to-Serial on /dev/ttyUSB0

# Connect BOOT0 jumper to 1
# Press reset button once

make stmflash

# Connect BOOT0 jumper to 0
# Press reset button once again

stm32flash will show like this when finished

Using Parser : Raw BINARY
Interface serial_posix: 9600 8E1
Version      : 0x22
Option 1     : 0x00
Option 2     : 0x00
Device ID    : 0x0410 (STM32F10xxx Medium-density)
- RAM        : 20KiB  (512b reserved by bootloader)
- Flash      : 128KiB (size first sector: 4x1024)
- Option RAM : 16b
- System RAM : 2KiB
Write to memory
Erasing memory
Wrote address 0x08002340 (100.00%) Done.

stm32flash

Use this tool to flash binary image to STM32 board

Refer https://sourceforge.net/p/stm32flash/wiki/Home/

Serial connection with STM32 board

Serial     STM32F103
====================
TXD  ----  A10
RXD  ----  A9
GND  ----  GND
+5V  ----  5V