Diff: main.c

Revision:

0:3b7f012600ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.c	Sat May 02 17:33:44 2015 +0000
@@ -0,0 +1,97 @@
+#include "LPC4088-ioconfig.h"
+#include "LPC4088-system.h"
+#include "LPC4088-gpio.h"
+#include "LPC4088-adc.h"
+
+int main(){
+
+    //nastavitev P1.13 kot GPIO, no pull-up, no hysteresis, not inverted, standard, push-pull
+    IOCON_P1_13 &= !(0x67F);
+
+    //pin P1.31 skonfiguriramo kot vhod ADC[5]
+    IOCON_P1_31 |= 0x3;
+    
+    //pin P1.31 skonfiguriramo kot no pullup/pulldown
+    IOCON_P1_31 &= !(0x3<<4);
+    
+    //pin P1.31 skonfiguriramo za ADMODE
+    IOCON_P1_31 &= !(1<<7);
+
+    //pin P0.23 skonfiguriramo kot vhod ADC[0]
+    IOCON_P0_23 |= 0x3;
+    
+    //pin P0.23 skonfiguriramo kot no pullup/pulldown
+    IOCON_P0_23 &= !(0x3<<4);
+    
+    //pin P0.23 skonfiguriramo za ADMODE
+    IOCON_P0_23 &= !(1<<7); 
+    
+    
+    
+    //vklop GPIO periferije (nepotrebno)
+    PCONP |= (1<<15);    
+
+    //nastavitev P1.13 kot output
+    DIR1 |= (1<<13);
+    
+    //nastavitev P1.13 maske
+    MASK1 &= !(1<<13);
+
+
+
+
+
+    //vklop ADC periferije 
+    PCONP |= (1<<12);
+    
+    //PCLK delimo z 99+1=100
+    //CR |= (99<<8);
+    
+    //izklopimo ADC interrupte
+    INTEN &= !(0x1FF);
+    
+    //pred izbiro "burst mode" moramo izklopiti konverzijo
+    CR &= !(0x7<<24);
+    
+    //izberemo "burst mode" - konverzija se stalno vrši
+    //CR |= (1<<16);
+
+    //izberemo "software mode" - konverzija se vrši na ukaz
+    CR &= !(1<<16);
+
+    //izberemo, kateri kanal bomo brali
+    //CR |= (1<<5);
+    //CR &= !(1<<0);
+
+    
+    while(1){
+
+        //vklopimo ADC (moramo vklopiti po nastavitvah)
+        CR |= (1<<21);
+        
+        //zaženemo konverzijo
+        CR |= (0x1<<24);
+        
+        //pocakamo na konec konverzije in shranimo rezultat
+        while( (STAT & (1<<0) ) == 0x0 );
+        
+        //ustavimo konverzijo
+        CR &= !(0x1<<24);
+        
+        unsigned int result = 0;
+        result = ( (DR0 & 0xFFF0) >> 4); //this clears DONE bit
+
+        //izklopimo ADC 
+        CR &= (1<<21);      
+        
+        if (result > 0x7FF){
+            //prizgemo P1.13
+            SET1 |= (1<<13);
+        }
+        else{
+            //ugasnemo P1.13
+            CLR1 |= (1<<13);
+        }
+    }       
+}
+