Library for fingerprint R503 Adaptation from Arduino Library
This a library and demo for fingerprint R503
For datasheet, see here -> https://cdn-shop.adafruit.com/product-files/4651/4651_R503%20fingerprint%20module%20user%20manual.pdf
This is an adaptation of Adafruit library (Arduino) to ARM MBED, tested on NUCLEO L073RZ
For this exemple default connexions on NUCLEOL073RZ are :
TX <-> PC_0
RX <-> PC_1
WAKEUP <-> PB_0 , this is an Interrupt , you must connect a pull-up resistor (4K to 15k) between WAKEUP and DC3.3v
Power Supply 3.3v on Arduino connector
3.3VT : 5v on Arduino connector
IMPORTANT !!! There ara yet some bugs with communications UART
main.cpp@4:a2d1329d042c, 2020-01-22 (annotated)
- Committer:
- WilliamMarshQMUL
- Date:
- Wed Jan 22 12:34:48 2020 +0000
- Revision:
- 4:a2d1329d042c
- Parent:
- 3:5b27b27e68ab
- Child:
- 5:022e24a51359
Echo twice to show clearly what's happening
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
WilliamMarshQMUL | 2:e92d97ac59e4 | 1 | // Serial demo using mbed 5 |
WilliamMarshQMUL | 2:e92d97ac59e4 | 2 | |
WilliamMarshQMUL | 0:75835b5692b9 | 3 | #include "mbed.h" |
WilliamMarshQMUL | 0:75835b5692b9 | 4 | |
WilliamMarshQMUL | 0:75835b5692b9 | 5 | DigitalOut myled(LED1); |
WilliamMarshQMUL | 0:75835b5692b9 | 6 | Serial pc(USBTX, USBRX); // tx, rx |
WilliamMarshQMUL | 0:75835b5692b9 | 7 | |
WilliamMarshQMUL | 0:75835b5692b9 | 8 | int main() { |
WilliamMarshQMUL | 0:75835b5692b9 | 9 | char c ; |
WilliamMarshQMUL | 0:75835b5692b9 | 10 | pc.printf("Enter a character>"); |
WilliamMarshQMUL | 0:75835b5692b9 | 11 | while(1) { |
WilliamMarshQMUL | 0:75835b5692b9 | 12 | myled = 0; // turn on |
WilliamMarshQMUL | 0:75835b5692b9 | 13 | c = pc.getc(); |
WilliamMarshQMUL | 0:75835b5692b9 | 14 | myled = 1; // turn off |
WilliamMarshQMUL | 0:75835b5692b9 | 15 | pc.putc(c); |
WilliamMarshQMUL | 4:a2d1329d042c | 16 | pc.putc(c); // echo twice |
WilliamMarshQMUL | 1:961580c296da | 17 | pc.putc('\r'); |
WilliamMarshQMUL | 0:75835b5692b9 | 18 | pc.putc('\n'); |
WilliamMarshQMUL | 3:5b27b27e68ab | 19 | wait(0.5); |
WilliamMarshQMUL | 0:75835b5692b9 | 20 | pc.printf("Enter a character>"); |
WilliamMarshQMUL | 0:75835b5692b9 | 21 | } |
WilliamMarshQMUL | 0:75835b5692b9 | 22 | } |