versadac  1
versadac - Scalable Recorder Firmware
di16_ssm.h
1 /*******************************************************************************
2 FILE : di16_ssm.h
3 VERSION : $Id$
4 AUTHOR : David Cozens
5 SYSTEM : Diab C for PowerPC under vxWorks
6 DESCRIPTION : Scheduled message class for driving the DI16
7 *******************************************************************************/
8 #ifndef __DI16_SSM_H
9 #define __DI16_SSM_H
10 #include "spismsg.h"
11 #include "msg_try.h"
12 
13 /*
14  When enabled this feature outputs 'C' whenever a corrupt reply to an update message is received
15 */
16 //#define CORRUPTION_TEST_FEATURE_ENABLED
17 
18 
19 #define EIO_DI_16_MODULE_NUMBER_OF_CHANNELS 16
20 
21 static const unsigned char BitReverseTable256[] =
22 {
23  0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
24  0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
25  0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
26  0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
27  0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
28  0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
29  0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
30  0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
31  0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
32  0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
33  0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
34  0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
35  0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
36  0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
37  0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
38  0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
39 };
40 
41 class DigitalInput16SpiScheduledMessage:public SpiScheduledMessage
42 {
43  public:
44  DigitalInput16SpiScheduledMessage(unsigned char device, MsgRetryCounter * z_retry_p);
46  unsigned short getOnOffStates()
47  {
48  unsigned short ret = BitReverseTable256[*(getRxPtr()+DI16_DATA1_BYTE_OFFSET)];
49  ret <<=8;
50  ret += BitReverseTable256[*(getRxPtr()+DI16_DATA2_BYTE_OFFSET)];
51  return ret;
52  };
53 
54  /*------------------------------------------------------------------------------
55  FUNCTION : getTransacted
56 
57  DESCRIPTION : Can be called to see if the message has been transacted since it
58  was created or last checked.
59  ARGUMENTS :
60  RETURN :
61  NOTES :
62  ------------------------------------------------------------------------------*/
63  bool getTransacted(){bool temp = m_transacted; m_transacted = false; return temp;};
64 
65  bool wasCommandOk() {return((((~*(getRxPtr()+DI16_DATA1_BYTE_OFFSET)+DI16_DATA_CODE)&0xFF) == (*(getRxPtr()+DI16_NOTDATA1_BYTE_OFFSET)))
66  &&(((~*(getRxPtr()+DI16_DATA2_BYTE_OFFSET)+DI16_DATA_CODE)&0xFF) == (*(getRxPtr()+DI16_NOTDATA2_BYTE_OFFSET))));};
67 
68  bool isPsuOk(){return ((*(getRxPtr()+DI16_STATUS_BYTE_OFFSET))&DI16_SMPS_MASK) != 0;};
69  bool didModRxOk() {return((*(getRxPtr()+DI16_STATUS_BYTE_OFFSET))&DI16_MOD_RX_OK_MASK) != 0;};
70  virtual void sent();
71 
72  private:
73  static unsigned short moduleToDevice(unsigned char module);
74  MsgRetryCounter * retry_p; // pointer to the retries count
75  bool m_transacted;
76 
77  static const unsigned char DI16_SMPS_MASK = 0x80;
78  static const unsigned char DI16_MOD_RX_OK_MASK = 0x40;
79 
80  static const unsigned char DI16_DATA_CODE = 0x55;
81 
82  static const int DI16_STATUS_BYTE_OFFSET = 0x00;
83  static const int DI16_DATA1_BYTE_OFFSET = 0x01;
84  static const int DI16_DATA2_BYTE_OFFSET = 0x02;
85  static const int DI16_NOTDATA1_BYTE_OFFSET = 0x03;
86  static const int DI16_NOTDATA2_BYTE_OFFSET = 0x04;
87 };
88 
89 
90 #endif /*__DI16_SSM_H */
91 
Definition: di16_ssm.h:41
Definition: msg_try.h:21