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Revision 532ba0bd

ID532ba0bd8d407d249fabafff12003498eb352845
Parent 89915eeb
Child 92a430bc

Added by Thomas Mullins over 11 years ago

Added LED header, and some rfid debugging

View differences:

toolbox/led.h
1
#ifndef LED_H
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#define LED_H
3

  
4
#include <avr/io.h>
5

  
6
static inline void led_init() {DDRC |= _BV(DDC1) | _BV(DDC0);}
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static inline void led_off() {PORTC &= ~(_BV(PC1) | _BV(PC0));}
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static inline void led_red() {PORTC = (PORTC & ~_BV(PC0)) | _BV(PC1);}
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static inline void led_yellow() {PORTC |= _BV(PC1) | _BV(PC0);}
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static inline void led_green() {PORTC = (PORTC & ~_BV(PC1)) | _BV(PC0);}
11

  
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#endif
toolbox/main.c
6 6
#include "mbport.h"
7 7
#include "tooltron_mb.h"
8 8
#include "rfid.h"
9
#include "led.h"
9 10

  
10 11
enum toolstate_t {
11 12
  TS_INIT,
......
108 109
eMBErrorCode eMBRegCoilsCB(UCHAR *reg_buf, USHORT addr, USHORT n_coils,
109 110
    eMBRegisterMode mode) {
110 111

  
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  if (addr > N_COILS || n_coils >= N_COILS-addr) {
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  if (addr+n_coils > N_COILS) {
112 113
    return MB_ENOREG;
113 114
  }
114 115

  
......
211 212

  
212 213
int main() {
213 214

  
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  led_init();
214 216
  tool_init();
215 217
  rfid_init();
216 218

  
......
219 221

  
220 222
  sei();
221 223

  
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  rfid_start_read();
222 225
  while (1) {
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    rfid_read();
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    tool_main();
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    if (rfid_poll()) {
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      rfid_start_read();
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    }
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    rfid_get_serno(current_user);
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    //tool_main();
225 231
    eMBPoll();
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    _delay_ms(100);
232
    _delay_ms(50);
227 233
  }
228 234

  
229 235
  return 0;
toolbox/rfid.c
5 5

  
6 6
static char read_cmd[] = {'!', 'R', 'W', 1, 32};
7 7

  
8
static int serno_idx;
8 9
static char serno[RFID_SERNO_SIZE];
9 10

  
10 11
static void zero_serno() {
......
57 58
        return;
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      }
59 60
    }
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    _delay_ms(40);
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    _delay_ms(10);
61 62
  }
62 63
}
63 64

  
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void rfid_read() {
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  while (1) {
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    serial_write(read_cmd, sizeof(read_cmd));
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    if (serial_read_blocking() == RFID_OK) {
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      read_serno();
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      return;
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void rfid_start_read() {
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  serno_idx = -1;
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  zero_serno(); // TODO temporary
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  serial_flush();
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  serial_write(read_cmd, sizeof(read_cmd));
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}
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char rfid_poll() {
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  int c;
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  c = serial_read();
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  while (c >= 0) {
77

  
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    if (serno_idx < 0) {
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      if (c != RFID_OK) {
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        zero_serno();
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        return 1;
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      }
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    } else {
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      serno[serno_idx] = c;
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    }
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    serno_idx++;
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    if (serno_idx >= RFID_SERNO_SIZE) {
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      return 1;
70 90
    }
71
    _delay_ms(40);
91

  
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    c = serial_read();
72 93
  }
94

  
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  return 0;
73 96
}
74 97

  
75 98
void rfid_get_serno(char *buf) {
toolbox/rfid.h
15 15
/* Should be called before anything else */
16 16
void rfid_init();
17 17

  
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/* Reads the serial number of an rfid tag into an internal buffer, accessible
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 * with rfid_get_serno */
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void rfid_read();
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/* Sends the read command to the rfid reader. After, you should call rfid_poll
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 * until it returns nonzero */
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void rfid_start_read();
21

  
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/* Should only be called after rfid_start_read. Keep calling until it returns
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 * nonzero, which means it is finished reading the serial number, and
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 * rfid_get_serno can be called */
25
char rfid_poll();
21 26

  
22 27
/* Attempts to read the serial number multiple times, and only accepts it if it
23
 * is the same every time. Use rfid_read instead until this one is proven
24
 * necessary */
28
 * is the same every time. Don't use it */
25 29
void rfid_read_safe();
26 30

  
27
/* Call this only after calling rfid_read. This will copy the value it read
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 * into serno, which should be at least RFID_SERNO_SIZE bytes */
31
/* Call this only after rfid_poll returns nonzero. This will copy the value it
32
 * read into serno, which should be at least RFID_SERNO_SIZE bytes */
29 33
void rfid_get_serno(char *serno);
30 34

  
31
/* Call this only after calling rfid_read. Returns 1 if serno matches the
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 * internal buffer of the most recently read serial number */
35
/* Call this only after rfid_poll returns nonzero. Returns 1 if serno matches
36
 * the internal buffer of the most recently read serial number */
33 37
char rfid_check_serno(char *serno);
34 38

  
35
/* Call this only after calling rfid_read. Returns 1 if the internal buffer is
36
 * nonzero, meaning a serial number was successfully read from an rfid tag */
39
/* Call this only after rfid_poll returns nonzero. Returns 1 if the internal
40
 * buffer is nonzero, meaning a serial number was successfully read from an
41
 * rfid tag */
37 42
char rfid_nonzero();
38 43

  
39 44
#endif

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