Kate Barnes
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.
Revision 0:2967b94b655c, committed 2018-10-15
- Comitter:
- katbar
- Date:
- Mon Oct 15 23:49:33 2018 +0000
- Commit message:
- Bluetooth to HD4480 4-line LCD.
Changed in this revision
--- /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
--- /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);
+ }
+ }
+}
--- /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