This is the code I have written for the above problem (includes your suggestion)

1. define SAMPLE_RATE 1000
2. define LENGTH_RESULT 100

1. include "mbed.h"
2. include "adc.h"

Initialise ADC to maximum SAMPLE_RATE and cclk divide set to 1 ADC adc(SAMPLE_RATE, 1); AnalogIn s1(p20); ADC adc(SAMPLE_RATE, 1); Serial uart(USBTX, USBRX); tx, rx volatile int result;

int main() { Init UART uart.baud(256000); uart.printf("Requested max sample rate is %u, actual max sample rate is %u.\n", SAMPLE_RATE, adc.actual_sample_rate());

Set up ADC on pin 20 adc.setup(p20,1); Measure pin 20 adc.select(p20);

Vars

int count; Program

AD conversion

while(1) { Start ADC conversion adc.start(); Wait for it to complete while(!adc.done(p20)); result=3.3*adc.read(p20); uart.printf("%u\n\r", result); wait_us(1);

} }

Can we get accurate values between the range.

Use <<code>> and <</code>>

Also for this you might just as well use AnalogIn instead of a specific ADC lib. At the Handbook page you can find info on AnalogIn. But in principle from what I can see that should work, but do take into account your uart is taking quite some time to send the data, even at the increased speed. Also I assume adc.read returns a float (considering you multiply it by 3.3), however resutl is an integer. But in general just start by having a look at AnalogIn.