Revision 1:33b6bf21fbd4, committed 2016-08-17

Comitter:

nsuraya

Date:

Wed Aug 17 08:42:11 2016 +0000

Parent:

0:004b3a49f410

Commit message:

tot_uthm

Changed in this revision

--- a/main.cpp	Wed Aug 17 05:35:38 2016 +0000
+++ b/main.cpp	Wed Aug 17 08:42:11 2016 +0000
@@ -1,103 +1,73 @@
 #include "mbed.h"
 #include "rtos.h"
 #include "C12832.h"
- 
-DigitalOut myled[]={LED1,LED2,LED3,LED4};
-AnalogIn pot(p20);
-C12832 lcd(p5, p7, p6, p8, p11);
-Serial pc(USBTX, USBRX); // tx, rx
-PwmOut Speaker(p26);
-
-int frequency[ ] = {440,0,440,0,440,0,349,0,523,0,440,0,349,0,523,0,440,0,
-                                                659,0,659,0,659,0,698,0,523,0,784,0,698,0,523,0,440,0};
 
-float beat[ ] = {1,0.4,1,0.4,1,0.4,0.8,0.1,0.4,0.1,1.2,0.2,0.8,0.1,0.4,0.1,1.2,1.6,
-                                     1,0.4,1,0.4,1,0.4,0.8,0.1,0.4,0.1,1.2,0.2,0.8,0.1,0.4,0.1,1.2,0.8};
-                                     
-                                     
-typedef struct {
-    uint32_t raw_data;  // ADC raw data     
-    float    voltage;   // AD result of measured voltage 
-} message_t;
- 
-MemoryPool<message_t, 16> mpool;
-Queue<message_t, 16> queue;
+AnalogIn   port1(p19);
+Serial pc(USBTX, USBRX);
+C12832 lcd(p5, p7, p6, p8, p11);
+AnalogIn   port2(p20);
+DigitalOut myled[] = {LED1,LED2,LED3,LED4};
+
+
+
+int i, x = 1;
 
-void Knight_Rider(void const *args) {
-    while(true){
-        for(int i=0;i<4;i++) {
-            myled[i]=1;
+void knight_rider(void const *args) {
+    while (true) {
+        
+        for(i=0; i<4; i++) {
+            myled [i]=1;
             Thread::wait(100);
-            myled[i]=0;
-        }
-        for(int i=2;i>0;i--) {
-            myled[i]=1;
-            Thread::wait(100);
-            myled[i]=0;
+            myled [i]=0;
         }
-    }
-}
 
-void ADC_Update(void const *args) {
-    pc.printf("\n\r|*----------------------------*|\n\r");
-    pc.printf("|* Example ADC with Interrupt. |\n\r");
-    pc.printf("|*----------------------------*|\n\r\n\r");
-    while(1) {  
-        //osSignalWait(0x01,osWaitForever);
-        message_t *message = mpool.alloc();
-        message->raw_data = pot.read_u16();
-        message->voltage = pot*3.3; 
-        queue.put(message);  // Place a value in the message queue
-        pc.printf("ADC Value is: %d \n\r\n\r", message->raw_data);// Display ADC value on UART
-        Thread::wait(1000);
+        for(i=2; i>0; i--) {
+            myled [i] = 1;
+            Thread::wait(100);
+            myled [i]=0;
+            
+        }
+    
     }
 }
 
 
-void LCD_Display(void const *args) {
-    while (true) {
-        osEvent evt = queue.get();
-        if (evt.status == osEventMessage) {
-            message_t *message = (message_t*)evt.value.p;
-            lcd.locate(0,11);
-            lcd.printf("Raw Data: %u"   , message->raw_data); 
-            lcd.locate(0,20);
-            lcd.printf("Voltage: %.2f volt"   , message->voltage);           
-            mpool.free(message);
-        }
-        Thread::wait(1000);
+void ADC_pc(void const *args) {
+    
+       int j=0; 
+       
+   printf("ADC with Interupt");
+
+    while(true) {   // this is the third thread
+      
+        printf("Voltage : %3.3f  V",port1.read()*3.3);
+        j++;
+       Thread::wait(100);
+        
     }
 }
 
-void Music(void const *args) {
-    while(1) {     
-  
-        for (uint8_t i=0; i<=35; i++) {
-            Speaker.period(1.0/frequency[i]);  // 4 second period
-            Speaker=0.5; 
-            Thread::wait(400*beat[i]);   // hold for beat period
-        }
+void ADC_lcd(void const *args) {
+    
     
-    /*     
-        for (float i=2000.0; i<10000.0; i+=100) {
-            Speaker.period(1.0/i);
-            Speaker=0.5;
-            Thread::wait(100);
-        }
-    */
+    int j=0;            //local variable
+    lcd.cls();          //clear screen
+    lcd.locate(0,3);    //point cursor
+    lcd.printf("Voltage Measurement");
+
+    while(true) {   // this is the third thread
+       lcd.locate(0,20);
+        lcd.printf("Voltage : %3.3f  V",port2.read()*3.3);
+        j++;
+        Thread::wait(1000);
+        
     }
 }
-    
+ 
 int main() {
-    lcd.cls();
-    lcd.locate(0,0);
-    lcd.printf("mBed-RTOS Mini Project");
+    Thread tread1(knight_rider);
+    Thread tread2(ADC_pc);
+    Thread tread3(ADC_lcd);
     
-    //Thread thread1(Knight_Rider, (void *)"Th 1"), osPriorityNormal, (uint32_t) DEFAULT_STACK_SIZE, (unsigned char *)NULL);
-    Thread thread1(Knight_Rider);
-    Thread thread2(ADC_Update,(void *)"Th 2", osPriorityAboveNormal,DEFAULT_STACK_SIZE,NULL);
-    Thread thread3(LCD_Display);
-    Thread thread4(Music);
-    
-    while (true);
+    while (true) ;
 }