Diff: newhaven.cpp

Revision:

0:c8893901ef8a

Child:

2:2058e2f79157

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/newhaven.cpp	Sun Feb 27 21:01:16 2011 +0000
@@ -0,0 +1,145 @@
+#include "mbed.h"
+#include "newhaven.h"
+
+NHLCD::NHLCD(PinName PIN_E,PinName PIN_RW,PinName PIN_A0,PinName PIN_CS,PinName PIN_RST, BusInOut *BUSLCD)
+    : E(PIN_E),RW(PIN_RW),A0(PIN_A0),CS(PIN_CS),RST(PIN_RST){
+    LCD_PORT = BUSLCD;   
+}
+
+void delay(unsigned int n)
+{
+	unsigned int i,j;
+	for (i=0;i<n;i++)
+  		for (j=0;j<350;j++)
+  			{;}
+}
+void delay1(unsigned int i)
+{
+	while(i--);
+}
+
+
+void NHLCD::comm_out(unsigned char j){
+    LCD_PORT->output();  
+    A0 = 1;
+    LCD_PORT->write(j);
+    CS = 0;
+    RW = 0;
+    E = 1;
+    delay(1);
+    E = 0;
+    RW = 1;
+    CS = 1; 
+}
+
+void NHLCD::data_out(unsigned char j){
+    LCD_PORT->output();
+    A0 = 0;
+    LCD_PORT->write(j);
+    CS = 0;
+    RW = 0;
+    E = 1;
+    delay(1);
+    E = 0;
+    RW = 1;
+    CS = 1;
+}
+
+void NHLCD::clearScreen(){
+    int n;
+	comm_out(0x46);
+	data_out(0x00);
+	data_out(0x00);
+	comm_out(0x42);
+	for(n=0;n<1200;n++){
+		data_out(0x20);
+	}
+	comm_out(0x46);
+	data_out(0xB0);
+	data_out(0x04);
+	comm_out(0x42);
+	for(n=0;n<9600;n++){
+		data_out(0x00);
+	}
+}
+
+void NHLCD::text(char *text, char row, char col){
+    int c = row*40+col;
+    comm_out(0x46);
+    data_out((unsigned char)(c&0xFF));
+    data_out((unsigned char)((c&0xFF00)>>8));
+    comm_out(0x42);
+    while(*text != 0) {
+        data_out(*text);
+        text++;
+    }
+}
+
+
+void NHLCD::Init(void){
+    RST = 0;
+    delay(5);
+    RST = 1;
+    delay(10);
+    
+    comm_out(0x40);
+    delay(5);
+    data_out(0x30); //parameters
+    data_out(0x87); //horizontal character size (0x80 = 1) MUST BE MULTIPLE OF 320
+    data_out(0x07); //vertical character size (0x00 = 1)  MUST BE MULTIPLE OF 240
+    data_out(40); //addresses per line
+    data_out(80);
+    data_out(0xEF);
+    data_out(0x28);
+    data_out(0x00);
+    
+    comm_out(0x44);
+    data_out(0x00);
+    data_out(0x00);
+    data_out(0xEF);
+    data_out(0xB0);
+    data_out(0x04);
+    data_out(0xEF);
+    data_out(0x00);
+    data_out(0x00);
+    data_out(0x00);
+    data_out(0x00);
+    
+    comm_out(0x5A);
+    data_out(0x00);
+    
+    comm_out(0x5B);
+    data_out(0x00);
+    
+    comm_out(0x58);
+    data_out(0x56);
+    
+    comm_out(0x5D);
+    data_out(0x04);
+    data_out(0x86);
+    
+    comm_out(0x4C);
+    
+    comm_out(0x59);
+    data_out(0x16);
+    wait_ms(5);
+}
+
+void NHLCD::setPixel(int row, int col){
+    int loc = (0x04<<8)|(0xB0);
+    int c = loc+row*40+(col/8);
+    comm_out(0x46);
+    data_out((unsigned char)(c&0xFF));
+    data_out((unsigned char)((c&0xFF00)>>8));
+    comm_out(0x43);
+    LCD_PORT->input();
+    unsigned char buffer = LCD_PORT->read();
+    buffer = buffer|(1<<(7-((row*320+col)%8)));
+    LCD_PORT->output();
+    
+    comm_out(0x46);
+    data_out((unsigned char)(c&0xFF));
+    data_out((unsigned char)((c&0xFF00)>>8));
+    comm_out(0x42);
+    data_out(buffer);
+}