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coprocessor.h

#ifndef COPROCESSORH
#define COPROCESSORH

/*coprocessor.h
wrapper functions for interpreting the protocol used by the 37e12.
*/




//#include "counter.h"
#include "CAN.h"
#include "serial.h"

#define NEW 1
#define OLD 0
#define TRUE 1
#define FALSE 0
#define RS232BUFSIZE 1000
#define RS422BUFSIZE 1000
#define LCD_QSZ 10
#define COPCODE /*specifies that this code is on the coproc side*/

#define BITMASK(data) (1<<data)

/*Hardware parameters
*/
#define INTERNAL_ATOD_NUM 16
#define EXTERNAL_ATOD_NUM 8 //if it's populated

#define PWMNUM 16
#define COUNTNUM 8

#define ATOD0RESPONSE (BITMASK(ADBLK0))
#define ATOD1RESPONSE (BITMASK(ADBLK1))

typedef struct VersionInfo
{
__u8 version; /*version number of the firmware on the 37e12*/
char date[14];/*data the firmware on the 37e12 was compiled (standard C __DATE__ format)*/
}VersionInfo;

typedef struct RG_ParseMask
{
__u16 Internal_AD;
__u8  External_AD;
__u8  counter;
__u8  zero;
__u16 pwm;
}RG_ParseMask;

typedef struct PWMconfig{
__u16 pwm;
__u16 frequency;
__u16 duty;
/*legacy protocol parameter, no longer used*/
__u16 delay;
}PWMconfig;

typedef struct countconfig{
__u16 counter;
__u16 trigger;
__u16 threshold;
__u16 flags;
}countconfig;

typedef struct countdata{
/*the current counter reading, as of the last request*/
__u16 counter;
__u16 countstart;
__u16 laststart;
unsigned long timestamp;
unsigned long laststamp;
int zerocross;
}countdata;

typedef struct Cop_Data {
  __u8 Datarxd;
  int ptogo;
  int psize;
  char packet[MAXPACKETSIZE];
  __u16 Internal_AD[INTERNAL_ATOD_NUM];
  __u16 External_AD[EXTERNAL_ATOD_NUM];
  PWMconfig PWM_config[PWMNUM];
  countdata counter_data[COUNTNUM];
  countconfig counter_config[COUNTNUM];
  __u8 Digital[2];
  char RS232_string[RS232BUFSIZE];
  char RS422_string[RS422BUFSIZE];
  char Key;
  E12Can_Message *CAN_message;
  VersionInfo version;
  RG_ParseMask parsemask;
  PcpkPacket packetdata;
  void *userdata;
}Cop_Data;



Cop_Data *CopDeviceCreate(int flags);

int CopDeviceDestroy(Cop_Data *Cop);

__u32 E12_Packet_Route(Cop_Data *Cop, unsigned char *data, int datasize);

__u32 E12_Parse_Until(int fd, Cop_Data *Cop, __u32 bitmask );

int e12packetout(int fd,__u8 device,__u8 maskcnt,void *data);

int E12_Digitalout(int fd, __u8 data,int port);

int E12_Digital_Req(int fd);

int E12_Digital_Cfg(int fd, __u8 mask, int port);

int E12_PWMControl(int fd,int pwm, int frequency, int duty,Cop_Data *Cop);

int E12_Internal_AtoD_Req(int fd, int channel);

int E12_External_AtoD_Req(int fd, int channel);

int E12_AtoD_Req(int fd, int channel);

int E12_DtoA_Write(int fd, int channel,int data);


int E12_VersionReq(int fd);


int UpdatetHardwarePWMInfo(int fd, Cop_Data *Cop);

int E12_PWMCfg_Req(int fd, int pwm);

#endif

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