12 years ago.

ADC initialisation procedure for LPC1768 ???

Hi, I have a question regarding ADC initialization, will the following lines allow me to read and measure the input voltage??? OR do I need to include something else?

LPC_SC->PCONP |= (1<<15); /* power up GPIO */

LPC_SC->PCONP |= (1<<12); /*Power up ADC*/

LPC_PINCON->PINSEL1 |= ((1<<16)); P0.24 = ADC0.1

LPC_PINCON->PINSEL1 |= ((1<<17)|(1<<19)); /*Neither pull-up/pull-down resistor*/

ADC_Init(LPC_ADC, 10000);

ADC_IntConfig(LPC_ADC,ADC_ADINTEN1,ENABLE);

ADC_ChannelCmd(LPC_ADC,ADC_CHANNEL_1,ENABLE);

ADC_BurstCmd(LPC_ADC, ENABLE);

ADC_StartCmd(LPC_ADC,ADC_START_CONTINUOUS);

for(i=0;i<1500000;i++) for delay, but is this required???

ADCDone = ADC_ChannelGetData(LPC_ADC,ADC_CHANNEL_1);

now suppose the ADC is initialized, and say I will be reading a Voltage value between 0-3.3V and I have to put switch cases based on this value, what will be the ADCDone units will it be in hex (uint16_t 0 to 65,536 ) or will it be in decimal values ??? .

can i use if condition to activate some commands using the ADCDone value i get as input from a potentiometer?

if (ADCDone >=... )

{

Comand 1

}

else if (ADCDone >=... )

{

Comand 2

}

else if (ADCDone >=... )

{

Comand 3

}

else

{

Comand 4

}

end

Thanks,