Diff: lcdpronto.cpp

Revision:

5:66f276be9505

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lcdpronto.cpp	Tue Jul 04 19:43:04 2017 +0000
@@ -0,0 +1,112 @@
+#include "mbed.h"
+
+#define tuss 2
+#define tusl 20
+#define tms 2
+
+#define OFF 1
+#define ON 0
+
+Serial pc(USBTX, USBRX); // tx, rx 
+
+SPI lcd(PTE3, PTE1, PTE2);
+DigitalOut cs(PTE4);
+DigitalOut res(PTD5);
+DigitalOut dc(PTC12);
+char k;   
+
+void init_LCD(){
+    res = 0;
+    dc = 0;
+    cs = 1;
+    wait(0.1);
+    res = 1;
+    k = 0;
+    cs = 0;
+    lcd.write(0x3C);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x0C);
+    wait_us(tuss);
+    cs = 1;
+    wait_us(tusl);
+    cs = 0;
+    lcd.write(0x01);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x06);
+    wait_us(tuss);
+    
+    return;        
+}
+
+void pula_linha(){    
+    dc = 0;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0xC0);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    
+    dc = 1;
+    wait_ms(tms);
+    
+    return;
+}    
+
+void limpa_lcd(void){
+    
+    dc = 0;
+    wait_ms(tms);
+    cs = 0;
+    lcd.write(0x01);
+    wait_us(tuss);
+    cs = 1;
+    wait_ms(tms);
+    
+    dc = 1;
+    wait_ms(tms);
+    
+    return;
+}
+
+int main() {
+    pc.baud(9600);
+    
+    lcd.format(8, 3); // Modo 0 ou 3
+    lcd.frequency(1000000); // 100kHz
+    
+    init_LCD();
+    
+    cs = 1;
+    wait_ms(tms);    
+    dc = 1;
+    wait_ms(tms);
+
+    for(k = 0x30; k < 0x3A; k++) {
+        cs = 0;
+        lcd.write(k);
+        wait_us(tuss);
+        cs = 1;
+        wait_ms(tms);
+    }
+    
+    pula_linha();
+    
+    for(k = 'A'; k < 'Q'; k++) {
+        cs = 0;
+        lcd.write(k);
+        wait_us(tuss);
+        cs = 1;
+        wait_ms(tms);
+    }
+    
+    wait(5);
+    
+    limpa_lcd();    
+}