skn_common_headers.h

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/*
 * skn_common_headers.h
 *
 *  Created on: Jul 22, 2015
 *      Author: jscott
 */

#ifndef SRC_SKN_COMMON_HEADERS_H_
#define SRC_SKN_COMMON_HEADERS_H_

#include <sys/types.h>
#include <pwd.h>        /* umask() */
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#include <getopt.h>
#include <pthread.h>
#include <stdint.h>
#include <ctype.h>
#include <stddef.h>
#include <sys/socket.h>
#include <sys/time.h> // for clock_gettime()
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <ifaddrs.h>
#include <time.h>
#include <stdarg.h>
#include <math.h>


//#include <systemd/sd-daemon.h>

#define SD_EMERG   "<0>"  /* system is unusable */
#define SD_ALERT   "<1>"  /* action must be taken immediately */
#define SD_CRIT    "<2>"  /* critical conditions */
#define SD_ERR     "<3>"  /* error conditions */
#define SD_WARNING "<4>"  /* warning conditions */
#define SD_NOTICE  "<5>"  /* normal but significant condition */
#define SD_INFO    "<6>"  /* informational */
#define SD_DEBUG   "<7>"  /* debug-level messages */

/*
 * Program Standards passed from compiler
 */
#ifndef PACKAGE_VERSION
    #define PACKAGE_VERSION "1.1"
#endif
#ifndef PACKAGE_NAME
    #define PACKAGE_NAME "lcd_display_service"
#endif
#ifndef PACKAGE_DESCRIPTION
    #define PACKAGE_DESCRIPTION "Locate Raspberry Pi's on the network."
#endif


#define SKN_FIND_RPI_PORT 48028
#define SKN_RPI_DISPLAY_SERVICE_PORT 48029
#define SKN_RPI_REGULAR_SERVICE_PORT 48027

#define SZ_CHAR_LABEL 48
#define SZ_INFO_BUFF 256
#define SZ_CHAR_BUFF 128
#define SZ_LINE_BUFF 512
#define SZ_COMM_BUFF 256

#define ARY_MAX_INTF 8
#define ARY_MAX_REGISTRY 128
#define ARY_MAX_DM_LINES 24
#define SKN_RUN_MODE_RUN  0
#define SKN_RUN_MODE_STOP 1

#ifndef TRUE
  #define   TRUE      (1==1)
  #define   FALSE (1==2)
#endif

#define SCROLL_WAIT    1
#define SCROLL_NOWAIT  0
#define MAX_DISPLAY_ROWS 4
#define PLATFORM_ERROR -1

/*
 * Defines for the Adafruit IC2/SPI LCD Backpack
 * - which use the I2C controller MCP23008
*/
//
// #define  AF_BASE     100
// #define  AF_BACKLIGHT (AF_BASE + 7)
//
// #define  AF_E        (AF_BASE + 2)
// #define  AF_RW       (AF_BASE + 0)
// #define  AF_RS       (AF_BASE + 1)
//
// #define  AF_DB4      (AF_BASE + 3)
// #define  AF_DB5      (AF_BASE + 4)
// #define  AF_DB6      (AF_BASE + 5)
// #define  AF_DB7      (AF_BASE + 6)

/*
 * Defines for the 'YwRobot Arduino LCM1602 IIC V1'
 * - which use the I2C controller PCF8574
*/
// #define AF_BASE     100
// #define AF_BACKLIGHT (AF_BASE + 3)
//
// #define AF_E        (AF_BASE + 2)
// #define AF_RW       (AF_BASE + 1)
// #define AF_RS       (AF_BASE + 0)
//
// #define AF_DB4      (AF_BASE + 4)
// #define AF_DB5      (AF_BASE + 5)
// #define AF_DB6      (AF_BASE + 6)
// #define AF_DB7      (AF_BASE + 7)

/*
 * Defines for the Adafruit RGB Negative 16x2 LCD+Keypad Kit
 * - which use the I2C controller MCP23017
*/
//#define AF_BASE         100
//#define AF_RED          (AF_BASE + 6)
//#define AF_GREEN        (AF_BASE + 7)
//#define AF_BLUE         (AF_BASE + 8)
//
//#define AF_E            (AF_BASE + 13)
//#define AF_RW           (AF_BASE + 14)
//#define AF_RS           (AF_BASE + 15)
//
//#define AF_DB4          (AF_BASE + 12)
//#define AF_DB5          (AF_BASE + 11)
//#define AF_DB6          (AF_BASE + 10)
//#define AF_DB7          (AF_BASE +  9)
//
//#define AF_SELECT       (AF_BASE +  0)
//#define AF_RIGHT        (AF_BASE +  1)
//#define AF_DOWN         (AF_BASE +  2)
//#define AF_UP           (AF_BASE +  3)
//#define AF_LEFT         (AF_BASE +  4)

/*
 * Defines for the serial port version
*/
// clr   = [ 0xfe, 0x58 ].pack("C*")
// home  = [ 0xfe, 0x48 ].pack("C*")
// line1 = [ 0xfe, 0x47, 0x01, 0x01 ].pack("C*")
// line2 = [ 0xfe, 0x47, 0x01, 0x02 ].pack("C*")
// bright = [ 0xfe, 0x99, 0x96 ].pack("C*")
// setup  = [ 0xfe, 0xd1, 0x10, 0x02 ].pack("C*")
// SerialPort.open("/dev/ttyACM0", 9600, 8, 1, SerialPort::NONE) do |serial|
//
//  serial.syswrite home # clr
//  serial.syswrite bright
//
//  begin
//    tm = Time.now
//    serial.syswrite line1
//    serial.write "   #{tm.strftime('%m-%d-%Y')}"
//    serial.syswrite line2
//    serial.write "  #{tm.strftime('%H:%M:%S.%3N')}"
//    sleep 1
//  end while true
//
// end

// Flags for display on/off control
//    #define LCD_BLINKON             0x01
//    #define LCD_CURSORON            0x02
//    #define LCD_DISPLAYON           0x04

// Flags for display size
//    #define LCD_2LINE               0x02
//    #define LCD_4LINE               0x04
//    #define LCD_16CHAR              0x10
//    #define LCD_20CHAR              0x14

//  Flags for setting display size
//    #define LCD_SET2LINE            0x06
//    #define LCD_SET4LINE            0x05
//    #define LCD_SET16CHAR           0x04
//    #define LCD_SET20CHAR           0x03



typedef struct _IICLCD {
    char cbName[SZ_CHAR_BUFF];
    char ch_serial_port_name[SZ_CHAR_BUFF]; // SerialPort.open("/dev/ttyACM0", 9600, 8, 1, SerialPort::NONE)
    int  lcd_handle;
    int i2c_address;
    int af_base;
    int af_backlight;
    int af_red;
    int af_green;
    int af_blue;

    int af_e;
    int af_rs;
    int af_rw;

    int af_db0; // 0-3 are not used for 4bit display connections
    int af_db1;
    int af_db2;
    int af_db3;
    int af_db4;
    int af_db5;
    int af_db6;
    int af_db7;
    int (*setup)(const int, const int);
} LCDDevice, *PLCDDevice;


typedef struct _ipBroadcastArray {
    char cbName[SZ_CHAR_BUFF];
    char chDefaultIntfName[SZ_CHAR_BUFF];
    char ifNameStr[ARY_MAX_INTF][SZ_CHAR_BUFF];
    char ipAddrStr[ARY_MAX_INTF][SZ_CHAR_BUFF];
    char maskAddrStr[ARY_MAX_INTF][SZ_CHAR_BUFF];
    char broadAddrStr[ARY_MAX_INTF][SZ_CHAR_BUFF];
    int defaultIndex;
    int count; // index = count - 1
} IPBroadcastArray, *PIPBroadcastArray;

typedef struct _serviceEntry {
    char cbName[SZ_CHAR_BUFF];
    char name[SZ_INFO_BUFF];
    char ip[SZ_INFO_BUFF];
    int port;
} RegistryEntry, *PRegistryEntry;

typedef struct _serviceRegistry {
    char cbName[SZ_CHAR_BUFF];
    int count;  // current number of entries
    int computedMax; // computed container size of .entry
    PRegistryEntry entry[ARY_MAX_REGISTRY];
} ServiceRegistry, *PServiceRegistry;

typedef struct _serviceRequest {
    char cbName[SZ_CHAR_BUFF];
    PRegistryEntry pre;
    char request[SZ_INFO_BUFF];
    char response[SZ_INFO_BUFF];
    int socket;
} ServiceRequest, *PServiceRequest;

/*
 * Char bufs for cpu temperature
*/
#define TZ_ADJUST 4
typedef struct _temps {
    char cbName[SZ_CHAR_LABEL];
    char c[SZ_CHAR_LABEL];
    char f[SZ_CHAR_LABEL];
    long raw;
} CpuTemps, *PCpuTemps;

typedef struct _DISPLAY_LINE {
    char cbName[SZ_CHAR_BUFF];
    int  active;
    char ch_display_msg[SZ_INFO_BUFF];
    int  msg_len;
    int  display_pos;
    int  scroll_enabled;
    void * next;
    void * prev;
} DisplayLine, *PDisplayLine;

typedef struct _DISPLAY_MANAGER {
    char cbName[SZ_CHAR_BUFF];
    char ch_welcome_msg[SZ_INFO_BUFF];
    int  msg_len;
    int  display_pos;
    int  dsp_rows;
    int  dsp_cols;
    PDisplayLine pdsp_collection[ARY_MAX_DM_LINES]; // all available lines
    int  current_line; // top of display
    int  next_line;  // actual index  -- should be within display_lines of current
    int  lcd_handle;
    pthread_t dm_thread;   // new message thread
    long thread_complete;
    int  i_socket;
    LCDDevice lcd;  // selected device
} DisplayManager, *PDisplayManager;


#endif /* SRC_SKN_COMMON_HEADERS_H_ */