Difference between revisions of "ARM ADC Programming"

    Line 34: Line 34:
     
       while(1)
    		 
       while(1)
     
         {
    		 
         {
    −
    /*Get the adc value of channel zero */
    		+
    /*Get the adc value of channel five */
     
    adc_result= ADC_GetAdcValue(5);
    		 
    adc_result= ADC_GetAdcValue(5);
     
    		 

    Revision as of 13:03, 18 March 2015

    Amruta (talk) 13:28, 17 March 2015 (IST)

    Basics

    Schematic

    Code

    1. /*-----------------------------------------------------------------------------
    2. note :
    3. Refer adc.h to enable ADC channels.
    4. ------------------------------------------------------------------------------*/
    5. #include "lpc17xx.h"	//device specific heaader file
    6. #include "uart.h"		//Explore Embedded UART library which conatins the lcd routines
    7. #include "adc.h"		//Explore Embedded ADC library which conatins the adc routines
    8.  
    9. /* start the main program */
    10. int main() 
    11. {
    12.    uint16_t adc_result;
    13.  
    14.   /* Setup and initialize the microcontroller system */
    15. 	SystemInit();
    16.  
    17.   /* Initialize the UART before displaying any thing on the lcd */
    18. 	UART_Init(UART0,9600);
    19.  
    20.   /* Initialize the adc before starting the conversion */
    21. 	ADC_Init();
    22.  
    23.   /* Display "ADC Channel zero" on first line*/
    24. 	UART_Printf("ADC Channel zero");
    25.  
    26.    /* Display the adc channel zero value continously */ 
    27.    while(1)
    28.     {
    29. 		/*Get the adc value of channel five */
    30. 		adc_result= ADC_GetAdcValue(5);
    31.  
    32. 		/*Display the adc value on UART*/
    33. 		UART_Printf("\n %u",adc_result);
    34. 	}
    35. }

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