Differences

This shows you the differences between two versions of the page.

--- project:brmdoor:firmware [2011/02/02 12:36] – created stick
+++ project:brmdoor:firmware [2018/04/29 19:34] (current) – remove outdated page abyssal
@@ Line 1: / Line 1: @@
-===== Brmdoor Firmware =====
-This brmdoor.pde sketch is running on the Arduino. It listens for numbers specifying numbers of seconds to unlock the door for, and sends serial ids of rfid cards detected.
-<code>
-#include <NewSoftSerial.h>
-NewSoftSerial rfidSerial(2, 3);
-const int lockPin = 13;
-int getnum()
-{
-  char cmdbuf[64]; char c; int i = 0;
-  do {
-    while (!Serial.available()) delay(1);
-    c = Serial.read();
-    cmdbuf[i++] = c;
-  } while (i < 64 && c != '\n');
-  return atoi(cmdbuf);
-}
-void rfidTrigger(void)
-{
-  byte MF_GET_SNR[] = {0xAA, 0x00, 0x03,0x25, 0x26, 0x00, 0x00,0xBB};
-  for (int i = 0; i < sizeof(MF_GET_SNR); i++) {
-    rfidSerial.print(MF_GET_SNR[i]);
-  }
-}
-int rfidParse(byte sn[], int *snl)
-{
-  char bufp[128], *buf = bufp;
-  int len = 0;
-  while (rfidSerial.available() > 0) {
-     buf[len++] = rfidSerial.read();
-  }
-  if (*buf++ != '\xaa') return 1; // STX
-  buf++; // STATION ID
-  byte datalen = *buf++; // DATA LENGTH
-  if (datalen != len - 5) return 2;
-  byte rstatus = *buf++; // STATUS
-  if (rstatus != 0x00 && rstatus != 0xFF) {
-    return 3;
-  } else {
-    memcpy(sn, buf, datalen - 1);
-    *snl = datalen - 1;
-  }
-  buf += datalen - 1;
-  buf++; // BCC; TODO: check
-  if (*buf++ != '\xbb') return 4; // ETX
-  return 0;
-}
-void setup()
-{
-  Serial.begin(9600);
-  rfidSerial.begin(9600);
-  digitalWrite(lockPin, 0);
-  pinMode(lockPin, OUTPUT);
-  rfidTrigger();
-}
-void loop() {
-  if (rfidSerial.available()) {
-      delay(50);
-      byte sn[64]; int snl = 0; int ret;
-      if ((ret = rfidParse(sn, &snl)) == 0) {
-        int i;
-        for (i = 0; i < snl; i++) {
-          if (sn[i] < 0x10) Serial.print('0');
-          Serial.print(sn[i], HEX);
-        }
-        Serial.print('\n');
-        delay(750);
-      } else {
-        //Serial.println(ret, DEC);
-        delay(250);
-      }
-      rfidTrigger();
-  }
-  if (Serial.available()) {
-      int seconds = getnum();
-      //if (seconds < 10) seconds = 10;
-      digitalWrite(lockPin, 1);
-      delay(seconds * 1000);
-      digitalWrite(lockPin, 0);
-  }
-}
-</code>