Merge pull request #42 from ErikIOT/master

Added basic library examples for B-L475E-IOT01A

STM32/libraries/BoardExamples/examples/B-L475E-IOT01A/BlinkLEDs/BlinkLEDs.ino

@@ -0,0 +1,31 @@
+// Blink on-board LEDs
+
+
+/*
+#define LED_BUILTIN                 PA5
+#define LED2_BUILTIN                PB14
+#define LED3_BUILTIN                PC9  //Note LED3 and LED4 are both driven by PC9, but in reverse logic
+
+*/
+
+void setup() {
+
+  pinMode(LED_BUILTIN, OUTPUT);
+  pinMode(LED2_BUILTIN, OUTPUT);
+  pinMode(LED3_BUILTIN, OUTPUT);
+
+}
+
+void loop() {
+
+  digitalWrite(LED_BUILTIN, HIGH);
+  digitalWrite(LED2_BUILTIN, HIGH);
+  digitalWrite(LED3_BUILTIN, HIGH);
+  delay(400); 
+   
+  digitalWrite(LED_BUILTIN, LOW);
+  digitalWrite(LED2_BUILTIN, LOW);
+  digitalWrite(LED3_BUILTIN, LOW);
+  delay(300);
+  
+}

STM32/libraries/BoardExamples/examples/B-L475E-IOT01A/Serial_Print/Serial_Print.ino

@@ -0,0 +1,12 @@
+// Print milliseconds to Serial monitor every second
+
+void setup() {
+  SerialUART1.stm32SetTX(PB6);
+  SerialUART1.stm32SetRX(PB7);
+  SerialUART1.begin(115200); 
+}
+
+void loop() {
+  SerialUART1.println(millis()); 
+  delay(1000); 
+}

STM32/libraries/BoardExamples/examples/B-L475E-IOT01A/Serial_Read/Serial_Read.ino

@@ -0,0 +1,38 @@
+/* Reads incoming Serial data and responds accordingly. 
+   Send "L" to turn LED off
+   Send "H" to turn LED on   */
+
+
+int incomingByte;      // variable to save incoming serial data 
+
+void setup() {
+  // initialize SerialUART1 communication:
+  SerialUART1.stm32SetTX(PB6);
+  SerialUART1.stm32SetRX(PB7);
+  SerialUART1.begin(115200);
+  
+  // initialize the LED pin as an output:
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void loop() {
+  // see if there's incoming SerialUART1 data:
+  if (SerialUART1.available() > 0) {
+
+    // read the oldest byte in the SerialUART1 buffer:
+
+    incomingByte = SerialUART1.read();
+
+    // if it's a capital H, turn on the LED:
+    if (incomingByte == 'H') {
+      digitalWrite(LED_BUILTIN, HIGH);
+      SerialUART1.println("HIGH ");
+     } 
+
+    // if it's an L, turn off the LED:
+    else if (incomingByte == 'L') {
+      digitalWrite(LED_BUILTIN, LOW);
+      SerialUART1.println("LOW ");
+    }
+  }
+}

STM32/libraries/BoardExamples/examples/B-L475E-IOT01A/UserButton/UserButton.ino

@@ -0,0 +1,42 @@
+// show user button state with blinking LEDs
+// B-L475E-IOT01A Discovery has one user button
+
+
+/*
+#define LED_BUILTIN                 PA5
+#define LED2_BUILTIN                PB14
+#define LED3_BUILTIN                PC9  //Note LED3 and LED4 are both driven by PC9, but in reverse logic
+
+//On-board user button
+#define USER_BUTTON                 PC13
+*/
+
+int buttonState = 0;         // variable for reading the pushbutton status
+
+void setup() {
+  pinMode(USER_BUTTON, INPUT_PULLUP); 
+  pinMode(LED_BUILTIN, OUTPUT);
+  pinMode(LED2_BUILTIN, OUTPUT);
+  pinMode(LED3_BUILTIN, OUTPUT);
+
+}
+
+void loop() {
+
+   buttonState = digitalRead(USER_BUTTON);
+  
+  if (buttonState == 1) {
+  digitalWrite(LED_BUILTIN, HIGH);
+  digitalWrite(LED2_BUILTIN, HIGH);
+  digitalWrite(LED3_BUILTIN, HIGH);
+  delay(100); 
+  }
+
+   if (buttonState == 0) {
+  digitalWrite(LED_BUILTIN, LOW);
+  digitalWrite(LED2_BUILTIN, LOW);
+  digitalWrite(LED3_BUILTIN, LOW);
+  delay(100);
+  }
+
+}