Chris Styles
/
AnalogDigital
Program to show a pin being dynamically configured as an analog and a digital
main.cpp@0:7071e3e01101, 2011-10-04 (annotated)
- Committer:
- chris
- Date:
- Tue Oct 04 08:57:37 2011 +0000
- Revision:
- 0:7071e3e01101
First revision
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
chris | 0:7071e3e01101 | 1 | #include "mbed.h" |
chris | 0:7071e3e01101 | 2 | |
chris | 0:7071e3e01101 | 3 | int read_digital(void) { |
chris | 0:7071e3e01101 | 4 | DigitalIn mydigital(p20); |
chris | 0:7071e3e01101 | 5 | return(mydigital.read()); |
chris | 0:7071e3e01101 | 6 | } |
chris | 0:7071e3e01101 | 7 | |
chris | 0:7071e3e01101 | 8 | float read_analog(void) { |
chris | 0:7071e3e01101 | 9 | AnalogIn myanalog(p20); |
chris | 0:7071e3e01101 | 10 | return(myanalog.read()); |
chris | 0:7071e3e01101 | 11 | } |
chris | 0:7071e3e01101 | 12 | |
chris | 0:7071e3e01101 | 13 | int main() { |
chris | 0:7071e3e01101 | 14 | while(1) { |
chris | 0:7071e3e01101 | 15 | |
chris | 0:7071e3e01101 | 16 | printf("Digital reading : %d\n",read_digital()); |
chris | 0:7071e3e01101 | 17 | wait(1.0); |
chris | 0:7071e3e01101 | 18 | printf("Analog reading : %.2f\n",read_analog()); |
chris | 0:7071e3e01101 | 19 | wait(1.0); |
chris | 0:7071e3e01101 | 20 | |
chris | 0:7071e3e01101 | 21 | } |
chris | 0:7071e3e01101 | 22 | } |