Tomas Matejka
/
Lekce_2-analogIn_serial
analog
main.cpp@0:9f88863531a6, 2017-03-19 (annotated)
- Committer:
- Tomsik
- Date:
- Sun Mar 19 10:17:20 2017 +0000
- Revision:
- 0:9f88863531a6
- Child:
- 1:cf19fbe2bbef
p?id?no vyhodnocen? nap?t? na vstupu;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Tomsik | 0:9f88863531a6 | 1 | #include "mbed.h" |
Tomsik | 0:9f88863531a6 | 2 | |
Tomsik | 0:9f88863531a6 | 3 | |
Tomsik | 0:9f88863531a6 | 4 | DigitalOut led1 (LED1); |
Tomsik | 0:9f88863531a6 | 5 | AnalogIn analog (A0); |
Tomsik | 0:9f88863531a6 | 6 | |
Tomsik | 0:9f88863531a6 | 7 | Serial pc(USBTX,USBRX); |
Tomsik | 0:9f88863531a6 | 8 | |
Tomsik | 0:9f88863531a6 | 9 | int main() |
Tomsik | 0:9f88863531a6 | 10 | { |
Tomsik | 0:9f88863531a6 | 11 | pc.baud(115200); |
Tomsik | 0:9f88863531a6 | 12 | while (true) { |
Tomsik | 0:9f88863531a6 | 13 | uint16_t a0_val = analog.read_u16(); |
Tomsik | 0:9f88863531a6 | 14 | float a0_volt = ((float)a0_val/65535)*3.3; |
Tomsik | 0:9f88863531a6 | 15 | |
Tomsik | 0:9f88863531a6 | 16 | wait_ms(15); |
Tomsik | 0:9f88863531a6 | 17 | pc.printf("Hodnota a0_val (16bit): %d\n", a0_val); |
Tomsik | 0:9f88863531a6 | 18 | pc.printf("Napeti na vstupu A0: %.3f\n",a0_volt); |
Tomsik | 0:9f88863531a6 | 19 | pc.printf("\n"); |
Tomsik | 0:9f88863531a6 | 20 | |
Tomsik | 0:9f88863531a6 | 21 | |
Tomsik | 0:9f88863531a6 | 22 | led1 = !led1; |
Tomsik | 0:9f88863531a6 | 23 | wait(1); |
Tomsik | 0:9f88863531a6 | 24 | } |
Tomsik | 0:9f88863531a6 | 25 | } |