Revision 0:538efd9574f7, committed 2014-12-10

Comitter:

Ellor1

Date:

Wed Dec 10 10:33:53 2014 +0000

Child:

1:57aba608a20d

Commit message:

working Wait Function added;

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_Wait.cpp	Wed Dec 10 10:33:53 2014 +0000
@@ -0,0 +1,125 @@
+#include "mbed.h"
+#include "TextLCD_16x4.h"
+#include "LCD_Wait.h"
+
+//DigitalOut led(P0_9);
+//DigitalOut led2(P0_8);
+//DigitalOut led3(P0_7);
+//DigitalOut led4(P0_17);
+//DigitalOut led5(P0_1);
+
+LCD_Wait *LCD_Wait::instance;
+
+LCD_Wait::LCD_Wait(void)
+{   
+
+    LPC_SYSCON->SYSAHBCLKCTRL |=   CT16B1_CLK_ENABLE;
+    
+    LPC_CT16B1->PR  =  48000;
+    
+    //LPC_CT16B1->MCR =   CT16B1_MR0I | CT16B1_MR0R;
+    
+   // LPC_CT16B1->IR = CT16B1_IR_MR0INT; 
+        
+        
+        
+    //instance = this;
+    //NVIC_SetVector(TIMER_16_1_IRQn, (uint32_t)&_Wait_ISR); 
+                
+}
+        
+      
+void LCD_Wait::Wait(float num_wait) {
+    
+   // wait_n = num_wait;
+    //led = !led;
+
+    LPC_CT16B1->TC = 0;
+
+    // Start the timer
+    LPC_CT16B1->TCR =  CT16B1_TCR_CEN; // enable
+                    
+    // blocking while loop that waits for the timer counter to exceed the set value
+    // If another interrupt fires during this while loop, this Wait function might take a little longer than expected
+   // while(LPC_CT16B1->TC < my_max_count_value);
+      while(LPC_CT16B1->TC < num_wait);
+    
+ }   
+    
+     //Enable interrupt 
+  //  NVIC_EnableIRQ(TIMER_16_1_IRQn); 
+    
+    // Start the timer
+   // LPC_CT16B1->TCR =  CT16B1_TCR_CEN; // enable
+  
+   // LPC_CT16B1->MR0 = wait_n;
+    
+   // }
+    
+    
+   
+ /*  
+void LCD_Wait::Wait(int num_wait) {
+    
+    wait_n = num_wait;
+    led = !led;
+    
+     //Enable interrupt 
+    NVIC_EnableIRQ(TIMER_16_1_IRQn); 
+    
+    // Start the timer
+    LPC_CT16B1->TCR =  CT16B1_TCR_CEN; // enable
+  
+  //for (
+  
+   //if (LPC_CT16B1->TC == wait_n) {
+   
+   //     NVIC_DisableIRQ(TIMER_16_1_IRQn); 
+   
+   //return;
+   
+//   }
+   
+  
+  
+   // LPC_CT16B1->MR0 = wait_n;
+    
+    }   
+ */    
+    
+/*
+void LCD_Wait::Wait(int num_wait) {
+    
+    wait_n = num_wait;
+    int x;
+    for (x = 0; x < wait_n; x++) {
+                
+        }
+     x = 0;   
+              
+}
+*/
+
+/*
+void LCD_Wait::_Wait_ISR(void)
+{
+    instance->Wait_ISR();
+}
+
+void LCD_Wait::Wait_ISR(void) {
+    
+    led2 = !led2;
+    
+   // NVIC_DisableIRQ(TIMER_32_0_IRQn);
+   // NVIC_DisableIRQ(TIMER_32_1_IRQn);
+
+
+NVIC_DisableIRQ(TIMER_16_1_IRQn);
+
+LPC_CT16B1->IR = CT16B1_IR_MR0INT; 
+
+    return;
+
+
+}
+*/

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD_Wait.h	Wed Dec 10 10:33:53 2014 +0000
@@ -0,0 +1,38 @@
+#ifndef LCD_H
+#define LCD_H
+
+#include "mbed.h"
+
+
+class LCD_Wait {
+public:
+
+LCD_Wait(void);
+void Wait(float num_wait);
+
+private:
+
+static void _Wait_ISR(void);
+void Wait_ISR(void);
+static LCD_Wait *instance;
+unsigned int wait_n;
+
+
+/* Private Macros ------------------------------------------------------------- */
+/* --------------------- BIT DEFINITIONS -------------------------------------- */
+
+
+#define CT16B1_IR_MR0INT                        ((uint32_t)(1<<0))
+
+#define CT16B1_CLK_ENABLE                       ((uint32_t)(1<<8))
+
+#define CT16B1_TCR_CEN                           1UL
+
+#define CT16B1_MR0I                             ((uint32_t)(1<<0))
+
+#define CT16B1_MR0R                             ((uint32_t)(1<<1))
+
+
+};
+
+#endif 
\ No newline at end of file