View source for STM32F103C8 Arduino ST-link

'''Arduino using ST-Link V2'''
 References:<br>
 '''Blue Pill STM32duino Wiki''' https://wiki.stm32duino.com/index.php?title=Blue_Pill<br>
 '''ST-LINK/V2 USB driver Windows''' https://www.st.com/en/development-tools/stsw-link009.html
 

 '''Setting up the Blue Pill in Arduino Environment''' 
 Step 1. From the Arduino IDE Tools Tab: Board Manager 
         a. Download '''Arduino SAM Boards'''. Now the basic arm drivers are installed.
 Step 2. Download and Setup '''STM32 Blue Pill board package ''': https://github.com/rogerclarkmelbourne/Arduino_STM32
         a. UnZip and place in Arduino Hardware Folder '''C:\Program Files\Arduino\hardware'''
 Step 3. Install Windows drivers from C:\Program Files\Arduino\hardware\Arduino_STM32-master\drivers\win
         a. Right Click on file install_drivers.bat and '''Run as Administrator'''.
 Step 5. Ensure correct setting: 
                Board '''STM Nucleo F103RB''' (ST-LINK)
                Optimize '''Smallest(Default)'''
                Variant '''Nucleo @ 72MHz w/crystal'''
 Step 6. Open blink program.
         a. Add to Blink Program '''#define LED_BUILTIN PC13'''.
         b. Connect '''St-Link''' to '''Blue Pill'''. Plug in '''ST-Link''' to '''USB port'''.
         b. Compile and download.<br>
 
 #define LED_BUILTIN PC13  // Use pin PC13 on Blue Pill 
 void setup() {
   // initialize digital pin LED_BUILTIN as an output.
   pinMode(LED_BUILTIN, OUTPUT);
 }
 void loop() {
   digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
   delay(1000);                       // wait for a second
   digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
   delay(1000);                       // wait for a second
 }


 '''Now lets Fade an LED'''
 Connect an Led on your bread board to Pin PA9 on the Blue Pill.
 Load the following program in your Arduino IDE. <br>
 int led = PA9;         // the PWM pin the LED is attached to
 int brightness = 0;    // how bright the LED is
 int fadeAmount = 5;    // how many points to fade the LED by
 void setup() {
  // declare pin PA9 to be an output:
  pinMode(led, OUTPUT);
 }
  // the loop routine runs over and over again forever:
 void loop() {
  // set the brightness of pin 9:
  analogWrite(led, brightness);
  // change the brightness for next time through the loop:
  brightness = brightness + fadeAmount;
  // reverse the direction of the fading at the ends of the fade:
  if (brightness <= 0 || brightness >= 255) {
    fadeAmount = -fadeAmount;
  }
  // wait for 30 milliseconds to see the dimming effect
  delay(30);
 }

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==[[ STM32F103C8 Class ]]==

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