Difference between revisions of "ARM ADC Programming"
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| + | /*----------------------------------------------------------------------------- | ||
| + | note : | ||
| + | Refer adc.h to enable ADC channels. | ||
| + | ------------------------------------------------------------------------------*/ | ||
| + | #include "lpc17xx.h" //device specific heaader file | ||
| + | #include "uart.h" //Explore Embedded UART library which conatins the lcd routines | ||
| + | #include "adc.h" //Explore Embedded ADC library which conatins the adc routines | ||
| + | |||
| + | /* start the main program */ | ||
| + | int main() | ||
| + | { | ||
| + | uint16_t adc_result; | ||
| + | |||
| + | /* Setup and initialize the microcontroller system */ | ||
| + | SystemInit(); | ||
| + | |||
| + | /* Initialize the UART before displaying any thing on the lcd */ | ||
| + | UART_Init(UART0,9600); | ||
| + | |||
| + | /* Initialize the adc before starting the conversion */ | ||
| + | ADC_Init(); | ||
| + | |||
| + | /* Display "ADC Channel zero" on first line*/ | ||
| + | UART_Printf("ADC Channel zero"); | ||
| + | |||
| + | /* Display the adc channel zero value continously */ | ||
| + | while(1) | ||
| + | { | ||
| + | /*Get the adc value of channel zero */ | ||
| + | adc_result= ADC_GetAdcValue(5); | ||
| + | |||
| + | /*Display the adc value on UART*/ | ||
| + | UART_Printf("\n %u",adc_result); | ||
| + | } | ||
| + | } | ||
| + | |||
</syntaxhighlight> | </syntaxhighlight> | ||
{{DISQUS}} | {{DISQUS}} | ||
Revision as of 12:59, 18 March 2015
Amruta (talk) 13:28, 17 March 2015 (IST)
Basics
Schematic
Code
/*----------------------------------------------------------------------------- note : Refer adc.h to enable ADC channels. ------------------------------------------------------------------------------*/ #include "lpc17xx.h" //device specific heaader file #include "uart.h" //Explore Embedded UART library which conatins the lcd routines #include "adc.h" //Explore Embedded ADC library which conatins the adc routines /* start the main program */ int main() { uint16_t adc_result; /* Setup and initialize the microcontroller system */ SystemInit(); /* Initialize the UART before displaying any thing on the lcd */ UART_Init(UART0,9600); /* Initialize the adc before starting the conversion */ ADC_Init(); /* Display "ADC Channel zero" on first line*/ UART_Printf("ADC Channel zero"); /* Display the adc channel zero value continously */ while(1) { /*Get the adc value of channel zero */ adc_result= ADC_GetAdcValue(5); /*Display the adc value on UART*/ UART_Printf("\n %u",adc_result); } }