This is where the magic happens. You check boxes for the software components you need (like CMSIS Core or Device Startup files), and Keil automatically adds the necessary libraries to your project. Write Your Code: Create a main.c file and start coding.
| Feature | Keil µVision 5 | STM32CubeIDE | VS Code + GCC + Cortex-Debug | IAR EWARM | |---------|----------------|--------------|------------------------------|-----------| | Price | $$$ (Pro) | Free | Free | $$$$ | | Compiler Opt. | Excellent | Good (GCC) | Good (GCC) | Excellent | | Debug UX | Very good | Good | Good (with setup) | Excellent | | UI Modernity | Poor | Average | Excellent | Average | | RTOS Awareness | Yes (CMSIS-RTOS) | No (FreeRTOS via plugin) | Limited | Yes | | Vendor lock-in | Medium (packs) | High (STM32 only) | None | Medium | keil uvision 5
: Professional licenses can cost thousands of dollars, which is a major barrier for students and independent developers who often prefer free alternatives. This is where the magic happens
Go to Project -> New uVision Project . The first thing you'll do is pick your specific microcontroller from the Device Database. | Feature | Keil µVision 5 | STM32CubeIDE