Receives text from a Android or other Bluetooth terminal and displays it on a 4-line HD4480-compatible text LCD. Uses an STM32F407VE "Black Pill" development board.

Dependencies:   TextLCD mbed

Files at this revision

API Documentation at this revision

Comitter:
katbar
Date:
Mon Oct 15 23:49:33 2018 +0000
Commit message:
Bluetooth to HD4480 4-line LCD.

Changed in this revision

TextLCD.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
diff -r 000000000000 -r 2967b94b655c TextLCD.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TextLCD.lib	Mon Oct 15 23:49:33 2018 +0000
@@ -0,0 +1,1 @@
+http://os.mbed.com/users/daneast/code/TextLCD/#914e500624b5
diff -r 000000000000 -r 2967b94b655c main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 15 23:49:33 2018 +0000
@@ -0,0 +1,46 @@
+/*
+Bluetooth to HD44780 (via Android Blutooth TerminL)
+Kate Barnes
+JY-MCU Bluetooth Module, 4-line HD44780 compatible LCD,
+STM32F407VE Development Board
+*/
+
+#include "mbed.h"
+#include "TextLCD.h"
+
+Serial pc(PA_9, PA_10);  // tx, rx. To terminal
+Serial pc2(PA_2, PA_3);  // tx, rx. To bluetooth board
+ 
+int main() {
+    TextLCD lcd(PE_2,PE_3,PE_4,PE_5,PE_6,PE_7, TextLCD::LCD20x4);
+    // Define custom character and assign it to '\1'
+    char square[]={ 0x0,0x1f,0x11,0x11,0x11,0x1f,0x0,0x0 };
+    lcd.defineChar(1, square);
+
+    pc.baud(57600);
+    pc.printf("Serial terminal online\r\n");
+    pc.printf("SystemCoreClock is %d MHz\r\n", (SystemCoreClock/1000000));
+    
+    pc2.baud(9600); // linvor bluetooth module default baud rate
+    //pc2.printf("AT");    
+    //wait(1);
+    //if(pc2.readable()) 
+    //{
+     //   pc.putc(pc2.getc());
+    //}
+    lcd.printf("  \1 BT Receiver \1");
+    lcd.printf("                    ");
+    lcd.printf("                    ");
+    lcd.printf("       \1 Barnes \1");
+    wait(2);
+    lcd.cls();
+    while (1) 
+    {
+        if(pc2.readable()) 
+        {
+            char SChar = pc2.getc();
+            pc.putc(SChar);
+            lcd.putc(SChar);
+        }
+    }
+}
diff -r 000000000000 -r 2967b94b655c mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Oct 15 23:49:33 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/e95d10626187
\ No newline at end of file