main.cpp

00001 #include "mbed.h"
00002 #include "SerialLCD.h"
00003 
00004 DigitalOut myled(P0_9);
00005 DigitalOut Buzzer(P0_7);
00006 Serial LCD(P0_4, P0_0); //tx, rx
00007 DigitalOut Relay(P0_12);
00008 
00009 void ClearDisplay()
00010 {
00011     LCD.putc(SLCD_CONTROL_HEADER);
00012     LCD.putc(SLCD_CLEAR_DISPLAY);
00013 }
00014 
00015 void LCDHome()
00016 {
00017     LCD.putc(SLCD_CONTROL_HEADER);
00018     LCD.putc(SLCD_RETURN_HOME);
00019 }
00020 
00021 void LCDsetCursor(uint8_t column, uint8_t row)
00022 {
00023     LCD.putc(SLCD_CONTROL_HEADER);
00024     LCD.putc(SLCD_CURSOR_HEADER);
00025     LCD.putc(column);
00026     LCD.putc(row);
00027 }
00028 
00029 // Switch the display off without clearing RAM
00030 void LCDnoDisplay()
00031 {
00032     LCD.putc(SLCD_CONTROL_HEADER);
00033     LCD.putc(SLCD_DISPLAY_OFF); 
00034 }
00035 
00036 // Switch the display on
00037 void LCDdisplay() 
00038 {
00039     LCD.putc(SLCD_CONTROL_HEADER);
00040     LCD.putc(SLCD_DISPLAY_ON);    
00041 }
00042 
00043 // Switch the underline cursor off
00044 void LCDnoCursor() 
00045 {
00046     LCD.putc(SLCD_CONTROL_HEADER);
00047     LCD.putc(SLCD_CURSOR_OFF);     
00048 }
00049 
00050 // Switch the underline cursor on
00051 void LCDcursor() 
00052 {
00053     LCD.putc(SLCD_CONTROL_HEADER);
00054     LCD.putc(SLCD_CURSOR_ON);     
00055 }
00056 
00057 //Turn off the backlight
00058 void LCDnoBacklight(void)
00059 {
00060     LCD.putc(SLCD_CONTROL_HEADER);   
00061     LCD.putc(SLCD_BACKLIGHT_OFF);   
00062 }
00063 //Turn on the back light
00064 void LCDbacklight(void)
00065 {
00066     LCD.putc(SLCD_CONTROL_HEADER);   
00067     LCD.putc(SLCD_BACKLIGHT_ON);   
00068 }
00069 
00070 void LCDprint(uint8_t b)
00071 {
00072     LCD.putc(SLCD_CHAR_HEADER);
00073     LCD.putc(b);
00074 }
00075 
00076 void LCDprintc(const char b[])
00077 {
00078     LCD.putc(SLCD_CHAR_HEADER);
00079     LCD.printf(b);
00080 }    
00081     
00082 
00083 int main() {
00084     LCD.baud(9600);
00085     //LCD startup
00086     LCD.putc(SLCD_CONTROL_HEADER);
00087     LCD.putc(SLCD_POWER_OFF);
00088     wait_ms(1);
00089     LCD.putc(SLCD_CONTROL_HEADER);
00090     LCD.putc(SLCD_POWER_ON);
00091     wait_ms(1);
00092     LCD.putc(SLCD_INIT_ACK);
00093     while(1)
00094     {
00095         if(LCD.getc()==SLCD_INIT_DONE)
00096         break;
00097     }
00098     wait_ms(2);
00099     
00100     //LCD printf
00101     LCDprintc("Hello World");
00102     
00103     //LCD Backlight ON
00104     LCDbacklight();
00105     
00106     //LCD Display ON
00107     LCDdisplay();
00108     
00109     while(1) {
00110         LCDnoBacklight();
00111         myled = 1;
00112         Buzzer=0;
00113         Relay=1;
00114         wait(0.2);
00115         LCDbacklight();
00116         myled = 0;
00117         Buzzer=1;
00118         Relay=0;
00119         wait(0.2);
00120     }
00121 }