mbed code for the Kinoma team's wireless assignment
Dependencies: mbed
Fork of idd_hw5_kinoma_rememberkeys by
main.cpp@0:372076a79d90, 2014-11-09 (annotated)
- Committer:
- smcqueen
- Date:
- Sun Nov 09 21:23:55 2014 +0000
- Revision:
- 0:372076a79d90
send read status through Digital Out
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
smcqueen | 0:372076a79d90 | 1 | #include "mbed.h" |
smcqueen | 0:372076a79d90 | 2 | #include "Adafruit_PN532.h" |
smcqueen | 0:372076a79d90 | 3 | |
smcqueen | 0:372076a79d90 | 4 | #define SS PTD0 |
smcqueen | 0:372076a79d90 | 5 | // PTD1 is also LED_BLUE, it will blink during SPI communication. |
smcqueen | 0:372076a79d90 | 6 | #define SCK PTD1 |
smcqueen | 0:372076a79d90 | 7 | #define MOSI PTD2 |
smcqueen | 0:372076a79d90 | 8 | #define MISO PTD3 |
smcqueen | 0:372076a79d90 | 9 | |
smcqueen | 0:372076a79d90 | 10 | DigitalOut kinoma(D8); |
smcqueen | 0:372076a79d90 | 11 | int previous = 0; |
smcqueen | 0:372076a79d90 | 12 | |
smcqueen | 0:372076a79d90 | 13 | Adafruit_PN532 nfc(SCK, MISO, MOSI, SS); |
smcqueen | 0:372076a79d90 | 14 | |
smcqueen | 0:372076a79d90 | 15 | void loop(void); |
smcqueen | 0:372076a79d90 | 16 | |
smcqueen | 0:372076a79d90 | 17 | int main() { |
smcqueen | 0:372076a79d90 | 18 | kinoma = 0; |
smcqueen | 0:372076a79d90 | 19 | nfc.begin(); |
smcqueen | 0:372076a79d90 | 20 | |
smcqueen | 0:372076a79d90 | 21 | uint32_t versiondata = nfc.getFirmwareVersion(); |
smcqueen | 0:372076a79d90 | 22 | if (! versiondata) { |
smcqueen | 0:372076a79d90 | 23 | while (1); // halt |
smcqueen | 0:372076a79d90 | 24 | } |
smcqueen | 0:372076a79d90 | 25 | |
smcqueen | 0:372076a79d90 | 26 | nfc.SAMConfig(); |
smcqueen | 0:372076a79d90 | 27 | |
smcqueen | 0:372076a79d90 | 28 | while(1) { loop(); } |
smcqueen | 0:372076a79d90 | 29 | } |
smcqueen | 0:372076a79d90 | 30 | |
smcqueen | 0:372076a79d90 | 31 | |
smcqueen | 0:372076a79d90 | 32 | void loop(void) { |
smcqueen | 0:372076a79d90 | 33 | uint8_t success; |
smcqueen | 0:372076a79d90 | 34 | uint8_t uid[] = { 0, 0, 0, 0, 0, 0, 0 }; |
smcqueen | 0:372076a79d90 | 35 | uint8_t uidLength; |
smcqueen | 0:372076a79d90 | 36 | |
smcqueen | 0:372076a79d90 | 37 | success = nfc.readPassiveTargetID(PN532_MIFARE_ISO14443A, uid, &uidLength); |
smcqueen | 0:372076a79d90 | 38 | |
smcqueen | 0:372076a79d90 | 39 | if (success) { |
smcqueen | 0:372076a79d90 | 40 | previous = 1; |
smcqueen | 0:372076a79d90 | 41 | |
smcqueen | 0:372076a79d90 | 42 | if (uidLength == 4) |
smcqueen | 0:372076a79d90 | 43 | { |
smcqueen | 0:372076a79d90 | 44 | uint8_t tag_1 = 250; |
smcqueen | 0:372076a79d90 | 45 | uint8_t tag_2 = 186; |
smcqueen | 0:372076a79d90 | 46 | uint8_t tag_3 = 106; |
smcqueen | 0:372076a79d90 | 47 | uint8_t tag_4 = 10; |
smcqueen | 0:372076a79d90 | 48 | kinoma = 1; |
smcqueen | 0:372076a79d90 | 49 | } |
smcqueen | 0:372076a79d90 | 50 | } else if (previous == 0){ |
smcqueen | 0:372076a79d90 | 51 | kinoma = 0; |
smcqueen | 0:372076a79d90 | 52 | } else { |
smcqueen | 0:372076a79d90 | 53 | previous = 0; |
smcqueen | 0:372076a79d90 | 54 | } |
smcqueen | 0:372076a79d90 | 55 | } |