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arduino:stm32_blue_pill [2019/05/25 19:53] – [Project config] mithatarduino:stm32_blue_pill [2022/06/26 01:18] (current) – [STM32 "Blue Pill"] mithat
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 Some quick notes about setting up a STM32F103C8T6 [[https://wiki.stm32duino.com/index.php?title=Blue_Pill|"Blue Pill"]] for development on Arduino.((I got mine from https://www.ebay.com/itm/STM32F103C8T6-ARM-STM32-Minimum-System-Development-Board-Module-for-Arduino-US/191896085961)) Some quick notes about setting up a STM32F103C8T6 [[https://wiki.stm32duino.com/index.php?title=Blue_Pill|"Blue Pill"]] for development on Arduino.((I got mine from https://www.ebay.com/itm/STM32F103C8T6-ARM-STM32-Minimum-System-Development-Board-Module-for-Arduino-US/191896085961))
  
-===== Setup =====+<WRAP center round info 60%> 
 +This page describes the process for settings things up with the [[https://github.com/rogerclarkmelbourne/Arduino_STM32|Arduino_STM32]] tools originally developed by Roger Clarke. **These tools are now effectively unsupported**.
  
-==== Arduino environment ====+The main alternative that //is// supported is the [[https://github.com/stm32duino|Arduino_Core_STM32]] project. I don't know how much of what's below transfers to Arduino_Core_STM32. 
 +</WRAP>
  
-Do once: +===== Setup =====
- +
-  * Under //Files > Preferences//, add to the "Additional Boards Manager URLs:" field: ''http://dan.drown.org/stm32duino/package_STM32duino_index.json'' +
-  * Under //Tools > Board > Boards Manager ...//, find "**STM32F1xxx/GD32F1xxx boards** by stm32duino" and install it.+
  
 ==== Hardware ==== ==== Hardware ====
  
-In addition to your "Blue Pill," you will also need a **3.3V USB to serial converter**. I used a [[https://www.sparkfun.com/products/14050|SparkFun Serial Basic]] configured for 3.3V. Only the power, TX and RX pins will be used, so you should be able to use a standard FTDI board as well.+In addition to "Blue Pill," you will need a **3.3V USB to serial converter**.
  
-<WRAP center important 90%> +Lots of pins on the STM32F103C8T6 are purported to be 5V tolerant. The main DC isn't, and I don't know if TX/RX are. So, play it safe and use a 3.3V serial converter. I used a [[https://www.sparkfun.com/products/14050|SparkFun Serial Basic]] configured for 3.3V. Only the TX and RX pins and, optionally, power will be used, so you should be able to use a standard FTDI board as well.
-Some serial converter boards put out 5V as VCC even when set to 3.3V modeBe careful!+
  
-Applying 5V to the 3.3V main supply line of Blue Pill will kill it. +<WRAP center round alert 90%>
  
-There is a 5V input on the Blue Pill and a USB connector that can power the board from 5V. These go through a small 3.3V regulator.+=== Mind the voltages! ===
  
-Lots of pins on the STM32F103C8T6 are purported to be 5V tolerant, but the main DC isn't! I don't know if TX/RX are.+Some serial converter boards put out 5V as VCC even when set to 3.3V mode. Applying 5V to the 3.3V main supply line of a Blue Pill will kill it. //Carefully check your 3.3V serial converter board// to see whether the VCC output is 3.3V or 5V. 
 + 
 +There is a 5V input on the Blue Pill and a USB connector that can power the board from 5V. These go through a small 3.3V regulator.
 </WRAP> </WRAP>
  
-  * Connect VCC and ground from the serial converter board to the ''3.3'' and ''GND'' pins of the Blue Pill (or ''5V'' and ''GND'' if your serial converter board puts out 5V even in 3.3V mode)+=== Connections === 
-  * Connect the serial converter's RX to the Blue Pill'''A9'' and TX to ''A10''.+ 
 +  * Connect ground from the serial converter board to the ''GND'' pins of the Blue Pill. 
 +  * Connect the serial converter's RX to the Blue Pill'''A9''
 +  * Connect the serial converter's TX to the Blue Pill'''A10''
 +  * If you will be powering the Blue Pill from the serial converter board, connect VCC from the serial converter board to the ''3.3'' pin of the Blue Pill if your serial converter board provides a 3.3V VCC output or the ''5V'' pin if your serial converter board only puts out 5V VCC. 
 + 
 +==== Arduino environment ==== 
 + 
 +Do once: 
 + 
 +  * Under //Files > Preferences//, add to the "Additional Boards Manager URLs:" field((It [[https://github.com/stm32duino/Arduino_Core_STM32#getting-started|looks like]] the URL for the boards has changed to\\ ''https://github.com/stm32duino/BoardManagerFiles/raw/master/STM32/package_stm_index.json''. However, this list is incompatible with the list at\\ ''http://dan.drown.org/stm32duino/package_STM32duino_index.json''.)):\\ ''http://dan.drown.org/stm32duino/package_STM32duino_index.json'' 
 +  * Under //Tools > Board > Boards Manager ...//, find "**STM32F1xxx/GD32F1xxx boards** by stm32duino" and install it.
  
 ==== Project config ==== ==== Project config ====
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   * //Board// : "Generic STM32F103C series"   * //Board// : "Generic STM32F103C series"
-  * //Variant// : "STM32F103C8 (20k RAM. 64k Flash"+  * //Variant// : "STM32F103C8 (20k RAM. 64k Flash)"
   * //Upload method// : "Serial"   * //Upload method// : "Serial"
   * //CPU Speed(MHz)// : "72Mhz (Normal)"   * //CPU Speed(MHz)// : "72Mhz (Normal)"
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 ===== Programming ===== ===== Programming =====
  
-  * Move the top jumper (i.e., the one furthest from the Reset button) to the 1 position (i.e., closest to the microcontroller).+  * Move the BOOT0 jumper (i.e., the one furthest from the Reset button) to the 1 position (i.e., to the 3.3V pin, closest to the microcontroller IC).
   * Push reset.   * Push reset.
-  * Upload the sketch. +  * Upload the sketch. It should start running
-  To re-upload, push reset and upload.+  
 +To re-upload, push reset and upload. 
 + 
 +To put the device into "use" mode, move the BOOT0 jumper back to the 0 position (i.e., to GND, away from the microcontroller IC). 
 + 
 +===== Pinout ===== 
 +From [[https://wiki.stm32duino.com/images/a/ae/Bluepillpinout.gif | here]] ([[https://web.archive.org/web/20190316201948/https://wiki.stm32duino.com/images/a/ae/Bluepillpinout.gif|Wayback Machine snapshot]]).((An alternative pinout diagram is available [[https://www.stm32duino.com/viewtopic.php?t=2202| here ]] ([[https://web.archive.org/web/20190317141226/http://www.stm32duino.com/viewtopic.php?t=2202|Wayback Machine snapshot]]).)) 
 +{{:arduino:bluepillpinout.gif?direct|}} 
 + 
 + 
 +===== Resources ===== 
 + 
 +==== STM32duino ==== 
 +<WRAP center round info 80%> 
 +The [[https://www.stm32duino.com/|stm32duino.com]] domain [[https://github.com/stm32duino/Arduino_Core_STM32/issues/574|went down]] some time ago, apparently because it exceeded the host's traffic limit. The forums are now back online, but not the wiki. You can use the Wayback Machine snapshot links to access unavailable pages. 
 +</WRAP> 
 + 
 +  * [[http://wiki.stm32duino.com/index.php?title=Main_Page|STM32duino wiki]] ([[https://web.archive.org/web/20190502185334/http://wiki.stm32duino.com/index.php?title=Main_Page | Wayback Machine snapshot]]) 
 +      * [[https://wiki.stm32duino.com/index.php?title=Blue_Pill|STM32duino Blue Pill wiki page]] ([[https://web.archive.org/web/20190524151648/http://wiki.stm32duino.com/index.php?title=Blue_Pill|Wayback Machine snapshot]]) 
 +      * [[https://wiki.stm32duino.com/index.php?title=RobotDyn_Black_Pill|STM32duino RobotDyn Black Pill wiki page]] ([[https://web.archive.org/web/20190316160629/https://wiki.stm32duino.com/index.php?title=RobotDyn_Black_Pill|Wayback Machine snapshot]]) 
 +  * [[https://www.stm32duino.com/|STM32duino forum]] ([[https://web.archive.org/web/20190715072346/http://www.stm32duino.com/|Wayback Machine snapshot]]) 
 +  * [[https://github.com/rogerclarkmelbourne|GitHub repositories]] for Roger Clarke's Arduino_STM32 based tools. 
 +  * [[https://github.com/stm32duino|GitHub repositories]] for the Arduino_Core_STM32 based tools. 
 + 
  
-To put the device into "use" modemove the top jumper back to 0 (left) position.+==== Other ==== 
 +  * [[https://stm32-base.org| STM32-base]] isn't directed at people using Arduino for STM32 developmentbut there is still a lot of good information there. 
 +      * [[https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill|STM32-base Blue Pill page]] 
 +      * [[https://stm32-base.org/boards/STM32F103C8T6-RobotDyn-Black-Pill|STM32-base RobotDyn Black Pill page]]
  
- ===== Resources ===== 
-  * [[https://wiki.stm32duino.com/index.php?title=Blue_Pill|STM32duino wiki page]] 
-  * [[https://www.stm32duino.com/|Forum]] 
-  * Pinout: [[https://wiki.stm32duino.com/images/a/ae/Bluepillpinout.gif | here]] and [[https://www.stm32duino.com/viewtopic.php?t=2202| here ]] 
arduino/stm32_blue_pill.1558814029.txt.gz · Last modified: 2019/05/25 19:53 by mithat

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