Single channel ADC reading in Embedded C - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to start the ADC conversion.

Embedded C

ADC_Start([1]);

Drag options to blanks, or click blank then click option'

AADC1

BADC2

CADC3

DADC4

Attempts:

3 left

💡 Hint

Common Mistakes

Using an uninitialized ADC channel.

Passing an incorrect channel name.

The function ADC_Start is called with the ADC channel to begin conversion. Here, ADC1 is the correct channel.

2fill in blank

medium

Complete the code to check if the ADC conversion is complete.

Embedded C

if (ADC_GetFlagStatus([1]) == SET) { /* conversion done */ }

Drag options to blanks, or click blank then click option'

AADC_FLAG_AWD

BADC_FLAG_OVR

CADC_FLAG_STRT

DADC_FLAG_EOC

Attempts:

3 left

💡 Hint

Common Mistakes

Checking the wrong flag like overrun or start flags.

Confusing flag names.

The flag ADC_FLAG_EOC (End Of Conversion) indicates the ADC has finished converting.

3fill in blank

hard

Fix the error in reading the ADC value.

Embedded C

uint16_t adcValue = [1]();

Drag options to blanks, or click blank then click option'

AADC_ReadValue

BADC_GetValue

CADC_GetConversionValue

DADC_Read

Attempts:

3 left

💡 Hint

Common Mistakes

Using a non-existent or incorrect function name.

Confusing reading and starting functions.

The correct function to get the converted ADC value is ADC_GetConversionValue().

4fill in blank

hard

Fill both blanks to create a dictionary comprehension that maps channel numbers to their ADC values if the value is above 1000.

Embedded C

adc_results = { [1]: [2] for [1] in channels if [2] > 1000 }

Drag options to blanks, or click blank then click option'

Ach

Badc_value

Cvalue

Dchannel

Attempts:

3 left

💡 Hint

Common Mistakes

Using the same variable name for both blanks.

Using undefined variable names.

We use ch as the loop variable for channels and adc_value as the value for each channel. The comprehension maps channel to its ADC value if the value is above 1000.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension that maps channel names in uppercase to their ADC values if the value is greater than 2000.

Embedded C

adc_data = { [1].[2](): [3] for [1] in channels if [3] > 2000 }

Drag options to blanks, or click blank then click option'

Ach

Bupper

Cadc_val

Dvalue

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect method names.

Mixing variable names.

The loop variable is ch. We call upper() on it to get uppercase channel names. The ADC value is stored in adc_val. The comprehension filters values greater than 2000.