Roman Valencia
writing values in a led bus
Dependencies: Hotboards_leds mbed
main.cpp@0:2f277fc001e3, 2016-02-29 (annotated)
- Committer:
- RomanValenciaP
- Date:
- Mon Feb 29 20:00:08 2016 +0000
- Revision:
- 0:2f277fc001e3
leds
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| RomanValenciaP | 0:2f277fc001e3 | 1 | |
| RomanValenciaP | 0:2f277fc001e3 | 2 | /* |
| RomanValenciaP | 0:2f277fc001e3 | 3 | * Write a variable into a led bus |
| RomanValenciaP | 0:2f277fc001e3 | 4 | * |
| RomanValenciaP | 0:2f277fc001e3 | 5 | * Connections: |
| RomanValenciaP | 0:2f277fc001e3 | 6 | * |
| RomanValenciaP | 0:2f277fc001e3 | 7 | * PA_5 --- led0 |
| RomanValenciaP | 0:2f277fc001e3 | 8 | * PA_6 --- led1 |
| RomanValenciaP | 0:2f277fc001e3 | 9 | * PA_7 --- led2 |
| RomanValenciaP | 0:2f277fc001e3 | 10 | * PB_6 --- led3 |
| RomanValenciaP | 0:2f277fc001e3 | 11 | * PC_7 --- led4 |
| RomanValenciaP | 0:2f277fc001e3 | 12 | * PA_9 --- led5 |
| RomanValenciaP | 0:2f277fc001e3 | 13 | * PA_8 --- led6 |
| RomanValenciaP | 0:2f277fc001e3 | 14 | * PB_10 --- led8 |
| RomanValenciaP | 0:2f277fc001e3 | 15 | * |
| RomanValenciaP | 0:2f277fc001e3 | 16 | */ |
| RomanValenciaP | 0:2f277fc001e3 | 17 | |
| RomanValenciaP | 0:2f277fc001e3 | 18 | #include "mbed.h" |
| RomanValenciaP | 0:2f277fc001e3 | 19 | #include "Hotboards_leds.h" |
| RomanValenciaP | 0:2f277fc001e3 | 20 | |
| RomanValenciaP | 0:2f277fc001e3 | 21 | //Creates a bus with 8 leds |
| RomanValenciaP | 0:2f277fc001e3 | 22 | // bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0 |
| RomanValenciaP | 0:2f277fc001e3 | 23 | Hotboards_leds leds( PB_10 , PA_8 , PA_9 , PC_7 , PB_6 , PA_7 , PA_6 , PA_5 ); |
| RomanValenciaP | 0:2f277fc001e3 | 24 | |
| RomanValenciaP | 0:2f277fc001e3 | 25 | uint8_t counter; |
| RomanValenciaP | 0:2f277fc001e3 | 26 | |
| RomanValenciaP | 0:2f277fc001e3 | 27 | int main() |
| RomanValenciaP | 0:2f277fc001e3 | 28 | { |
| RomanValenciaP | 0:2f277fc001e3 | 29 | counter = 0; |
| RomanValenciaP | 0:2f277fc001e3 | 30 | while(1) |
| RomanValenciaP | 0:2f277fc001e3 | 31 | { |
| RomanValenciaP | 0:2f277fc001e3 | 32 | //Shows on the led bus the counter variable value |
| RomanValenciaP | 0:2f277fc001e3 | 33 | leds.write( counter ); |
| RomanValenciaP | 0:2f277fc001e3 | 34 | wait_ms( 500 ); |
| RomanValenciaP | 0:2f277fc001e3 | 35 | counter ++; |
| RomanValenciaP | 0:2f277fc001e3 | 36 | //We can still manipulate each led individually with |
| RomanValenciaP | 0:2f277fc001e3 | 37 | //the functions turnOn, turnOff, toggle, write, but in |
| RomanValenciaP | 0:2f277fc001e3 | 38 | //this case the function will need a parameter indicating |
| RomanValenciaP | 0:2f277fc001e3 | 39 | //the led you want to manipulate |
| RomanValenciaP | 0:2f277fc001e3 | 40 | //Example: leds.turnOn(3) turns ON led #3 |
| RomanValenciaP | 0:2f277fc001e3 | 41 | } |
| RomanValenciaP | 0:2f277fc001e3 | 42 | } |