Nontrivial compiling issues

hi, first time arduino user professional software developer.

i downloaded library from:

http://playground.arduino.cc/code/lcd12864

the files placed in:

code: [select]

c:\users\al\documents\arduino\libraries\lcd12864

i have basic code far see library import , linking works:

code: [select]

#include "lcd12864.h"

void setup()
{
  lcda.initialise();
  serial.begin(9600);
}

void loop()
{
  serial.println("hello");
}

but giving me following issues , have no idea start:

code: [select]

c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp: in member function 'void lcd12864::selectcs1()':
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:74: error: 'digitalwrite' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp: in member function 'void lcd12864::initialise()':
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:82: error: 'b00000001' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:83: error: 'b00000010' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:84: error: 'b00000100' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:85: error: 'b00001000' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:86: error: 'b00010000' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:87: error: 'b00100000' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:88: error: 'b01000000' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:89: error: 'b10000000' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:92: error: 'output' not declared in scope
c:\users\al\documents\arduino\libraries\lcd12864\lcd12864.cpp:92: error: 'pinmode' not declared in scope

any ideas?
thanks

you downloaded library did put it?
also "lcd12864.h" should <lcd12864.h> in library not in same folder sketch.

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