Jose Rios / Mbed 2 deprecated Nucleo_AnalogRead

Read an analog value using ADC

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Revision 5:61fd7faf824b, committed 2014-12-29

Comitter:
jose_23991
Date:
Mon Dec 29 11:25:17 2014 +0000
Parent:
4:643030f4ac01
Commit message:
Version 1.4

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 643030f4ac01 -r 61fd7faf824b main.cpp
--- a/main.cpp	Mon Dec 29 01:33:31 2014 +0000
+++ b/main.cpp	Mon Dec 29 11:25:17 2014 +0000
@@ -1,7 +1,7 @@
-/***********************************************************************************************/
-/* Note: The STM32F401 has default 3.3V ADC pins                                               */
-/* Note: The STM32F401 has default 12 bits ADC but it is normalized to 16 bits (2^16 -> 65536) */
-/***********************************************************************************************/
+/******************************************************************************************************/
+/* Note: The STM32F401 has default 3.3V ADC pins                                                      */
+/* Note: The STM32F401 has default 12 bits ADC but it is normalized to 16 bits (2^16 -> 65536 values) */
+/******************************************************************************************************/
 
 #include "mbed.h"
 
@@ -15,13 +15,13 @@
     
     while(1)
     {
-        adc_value = analog_sensor.read_u16();    // Read the ADC analog input value [0 to 65536]
-        voltage_value = 3.3*adc_value/65536;     // Read and convert to voltage the analog input value [0.0 to 3.3]
+        adc_value = analog_sensor.read_u16();    // Read the ADC analog input value [0 to 65535]
+        voltage_value = 3.3*adc_value/65535;     // Read and convert to voltage the analog input value [0.0 to 3.3]
         percent_value = analog_sensor.read();    // Read the percent analog input value [0.0 to 1.0]
         
         printf("\n");                            // Serial new line
         printf("Analog Read: ");                 // Show the text between " "
-        printf("ADC [%d], ", adc_value);         // Show the voltage value [0 to 65536]
+        printf("ADC [%d], ", adc_value);         // Show the voltage value [0 to 65535]
         printf("Voltage [%f], ", voltage_value); // Show the voltage value [0.0 to 3.3]
         printf("Percent [%f] ", percent_value);  // Show the percent value [0.0 to 1.0]