101 lines
3.0 KiB
Markdown
101 lines
3.0 KiB
Markdown
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# STM32F103C8 Blue Pill Board BSP Introduction
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## Onboard Resources
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The "blue pill" is a STM32F103 based development board with Cortex-M3 ARM CPU that runs at 72 MHz, 20 kB of RAM and 64 or 128 kB of flash memory. The microcontroller (MCU) has USB port, two serial ports, 16 bit PWM pins and 12 bit ADC pins. It runs at 3.3V, but some of its pins are 5V tolerant.
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- MCU：STM32F103C8T6 @ 72MHz, 64KB FLASH , 20KB RAM
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- Peripherals
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- LED：PC13
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- Debug IO interface type: SWD / ST-LINK
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## Build
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### Keil5 MDK
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Please open`project.uvprojx` file and compile the project.
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### Keil4 MDK
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Please open`project.uvproj` file and compile the project.
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### IAR
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Please open`project.eww` file and compile the project.
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## Execution Instruction
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### Quickly Get Started
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This BSP provides MDK4, MDK5, and IAR projects for developers and it supports the GCC development environment. Here's an example of the MDK5 development environment, to introduce how to run the system.
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### Hardware connection
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1) Use a Type-A to Mini-B cable to connect the development board to the PC and turn on the power switch.
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2) Use FTDI adapter(USB to UART) to connect the BluePill board's PA9(Tx) and PA10(Rx) pins.
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### Compile and Download
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Double-click the `project.uvprojx` file, to open the MDK5 project, compile and download the program to the board.
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### Running Results
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After the program is successfully downloaded, the system runs automatically. Observe the running results of the LED on the development board, and you will see LED is flashing periodically.
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The USB virtual COM port connects to USART1(PA9-Tx, PA10-Rx) by default, and when the corresponding serial port (115200-8-1-N) is opened in the terminal tool, the output information of RT-Thread can be seen when the device is reset:
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```shell
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\ | /
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- RT - Thread Operating System
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/ | \ 4.0.0 build Dec 21 2018
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2006 - 2018 Copyright by rt-thread team
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msh >
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```
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## **Advanced Features**
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This BSP only enables GPIO and USART2 by default. If you need more advanced features such as SPI, I2C, you need to configure the BSP with RT-Thread [ENV tools](https://www.rt-thread.io/download.html?download=Env) , as follows:
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1. Open the ENV tool under the specific BSP folder;
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2. Enter `menuconfig` command to configure the project, then save and exit;
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3. Enter `pkgs --update` command to update the package;
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4. Enter `scons --target=mdk4/mdk5/iar` command to regenerate the project.
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Learn how to use RT-Thread ENV, click [Here](https://github.com/RT-Thread/rtthread-manual-doc/blob/master/env/env.md).
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## References
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- [[STM32 Blue Pill vs Black Pill Microcontroller Boards]](https://www.youtube.com/watch?v=QCdnO43RBK4&t=875s)
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- [[STM32F103C8 datasheet]]( https://www.st.com/resource/en/datasheet/stm32f103c8.pdf)
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- [[STM32F103C8 More Information]](https://www.st.com/en/microcontrollers-microprocessors/stm32f103c8.html#overview)
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## Maintained By
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Meco Man @ rt-thread community
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jiantingman@foxmail.com
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https://github.com/mysterywolf
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