Tu Tri Huynh / Mbed OS DISCO-F746NG_light_control_system_tth

School project.

Dependencies:   Timezone NTPClient BSP_DISCO_F746NG Grove_temperature

helper_functions.h@20:9d4450357ce7, 2021-01-21 (annotated)

Committer:
tuxx0046
Date:
Thu Jan 21 12:43:03 2021 +0000
Revision:
20:9d4450357ce7
Parent:
15:638e65c37d58 
Updated libraries used section in comments in main.cpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tuxx0046 8:1a1e7cf7dcb6 1 /**
tuxx0046 10:137cf2c92871 2 @file helper_functions.h
tuxx0046 10:137cf2c92871 3 @author Tu Tri Huynh
tuxx0046 10:137cf2c92871 4 @date January 14, 2021
tuxx0046 10:137cf2c92871 5 @brief Functions to help with general tasks.
tuxx0046 8:1a1e7cf7dcb6 6 */
tuxx0046 8:1a1e7cf7dcb6 7
tuxx0046 8:1a1e7cf7dcb6 8 /**
tuxx0046 8:1a1e7cf7dcb6 9 This function returns the percentage of AnalogIn sensor read values that by default are floating point numbers between 0.00 to 1.00.
tuxx0046 15:638e65c37d58 10 @param read_value Float value from the read() function in analog units
tuxx0046 15:638e65c37d58 11 @return whole number that represents percentage.
tuxx0046 8:1a1e7cf7dcb6 12 1/14/2021
tuxx0046 8:1a1e7cf7dcb6 13 */
tuxx0046 8:1a1e7cf7dcb6 14 int helper_get_sensor_read_in_percent(float read_value)
tuxx0046 8:1a1e7cf7dcb6 15 {
tuxx0046 8:1a1e7cf7dcb6 16 return (int)(read_value*100);
tuxx0046 13:41debc0b9063 17 }
tuxx0046 13:41debc0b9063 18
tuxx0046 13:41debc0b9063 19 /**
tuxx0046 13:41debc0b9063 20 This function returns a rounded float value, used for temperature readings.
tuxx0046 14:3ac7c08dbc52 21 @param temp Temperature value to be rounded
tuxx0046 13:41debc0b9063 22 */
tuxx0046 13:41debc0b9063 23 float helper_round_temperature(float temp)
tuxx0046 13:41debc0b9063 24 {
tuxx0046 13:41debc0b9063 25 return floorf(temp * 100)/100;
tuxx0046 13:41debc0b9063 26 }
tuxx0046 13:41debc0b9063 27
tuxx0046 13:41debc0b9063 28 /**
tuxx0046 13:41debc0b9063 29 This function converts Celsius temperature to Fahrenheit.
tuxx0046 14:3ac7c08dbc52 30 @param temp Celsius value
tuxx0046 13:41debc0b9063 31 */
tuxx0046 13:41debc0b9063 32 float helper_convert_celsius_to_fahrenheit(float temp)
tuxx0046 13:41debc0b9063 33 {
tuxx0046 13:41debc0b9063 34 float fahrenheit = ((temp * 9)/5)+32;
tuxx0046 13:41debc0b9063 35 return fahrenheit;
tuxx0046 13:41debc0b9063 36 }
tuxx0046 13:41debc0b9063 37
tuxx0046 13:41debc0b9063 38 /**
tuxx0046 13:41debc0b9063 39 This function reverses the bool value.
tuxx0046 14:3ac7c08dbc52 40 @@param value Bool value to reverse.
tuxx0046 13:41debc0b9063 41 1/18/2021
tuxx0046 13:41debc0b9063 42 */
tuxx0046 13:41debc0b9063 43 bool helper_reverse_bool(bool value)
tuxx0046 13:41debc0b9063 44 {
tuxx0046 13:41debc0b9063 45 return !value;
tuxx0046 8:1a1e7cf7dcb6 46 }