jongrock chun
/
For_test_code
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AnalogIn_HelloWorld_WIZwiki-W7500
by 
IOP
main.cpp@3:abab0082e271, 2015-07-02 (annotated)
- Committer:
- joon874
- Date:
- Thu Jul 02 07:34:56 2015 +0000
- Revision:
- 3:abab0082e271
- Parent:
- 2:5f564266c94f
- Child:
- 5:97fa889845b0
Analog Input example for WIZwiki-W7500 Academy
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| joon874 | 3:abab0082e271 | 1 | /* Analog Input Example Program */ |
| sam_grove | 0:101a12a915c6 | 2 | |
| sam_grove | 0:101a12a915c6 | 3 | #include "mbed.h" |
| sam_grove | 0:101a12a915c6 | 4 | |
| sam_grove | 0:101a12a915c6 | 5 | // Initialize a pins to perform analog input and digital output fucntions |
| joon874 | 3:abab0082e271 | 6 | AnalogIn ain(A0); |
| joon874 | 3:abab0082e271 | 7 | DigitalOut myled(LED1); // on-board LED_RED |
| sam_grove | 0:101a12a915c6 | 8 | |
| sam_grove | 0:101a12a915c6 | 9 | int main(void) |
| sam_grove | 0:101a12a915c6 | 10 | { |
| sam_grove | 0:101a12a915c6 | 11 | while (1) { |
| sam_grove | 0:101a12a915c6 | 12 | // test the voltage on the initialized analog pin |
| joon874 | 3:abab0082e271 | 13 | // and if greater than 0.4 * VCC set the digital pin |
| sam_grove | 0:101a12a915c6 | 14 | // to a logic 1 otherwise a logic 0 |
| joon874 | 3:abab0082e271 | 15 | if(ain > 0.4f) { |
| joon874 | 3:abab0082e271 | 16 | myled = 1; // Red LED Off |
| sam_grove | 0:101a12a915c6 | 17 | } else { |
| joon874 | 3:abab0082e271 | 18 | myled = 0; // Red LED On |
| sam_grove | 0:101a12a915c6 | 19 | } |
| sam_grove | 0:101a12a915c6 | 20 | |
| joon874 | 3:abab0082e271 | 21 | // print the percentage and normalized values |
| joon874 | 2:5f564266c94f | 22 | printf("percentage: %3.3f%%\r\n", ain.read()*100.0f); |
| joon874 | 2:5f564266c94f | 23 | printf("analog value : %3.3f\r\n", ain.read()); |
| joon874 | 2:5f564266c94f | 24 | wait(1.0); |
| sam_grove | 0:101a12a915c6 | 25 | } |
| sam_grove | 0:101a12a915c6 | 26 | } |
| joon874 | 3:abab0082e271 | 27 | |
| joon874 | 3:abab0082e271 | 28 | |
| joon874 | 3:abab0082e271 | 29 | |
| joon874 | 3:abab0082e271 | 30 | |
| joon874 | 3:abab0082e271 | 31 | |
| joon874 | 3:abab0082e271 | 32 | |
| joon874 | 3:abab0082e271 | 33 | |
| joon874 | 3:abab0082e271 | 34 | |
| joon874 | 3:abab0082e271 | 35 |