Write to ssd1306

[stan cartwright]

I dont understand how to access the variables in ssd1306 include.
I am not sure if I need to use as alias, it's a major block for me and clarification would be a great help,an example fab. I want to write a byte to the display. When I sort that then other things.
Here's my write byte to display. Please say what I doing wrong. I'm running out of logic/ideas. A few tips would be so helpful.
edit I think maybe sending 64 meaning data to follow is wrong and perming 8 from 10 didn't work,ie try different code.

#chip mega328p, 16
#option explicit
#include <glcd.h>
;
#define HI2C_BAUD_RATE 400
#define HI2C_DATA
HI2CMode Master
#define GLCD_TYPE GLCD_TYPE_SSD1306
#define GLCD_I2C_Address 0x78

;

dim tmp1,tmp2,row,py,px,SSD1306SendByte as byte
dim shiftsright,sprite1,sprite_hibyte,sprite_lowbyte,spritebyte as byte

GLCDCLS
GLCDPrint (0,0,"test") ;THIS WORKS it prints test
;writing byte DOESN'T WORK
px=50:py=20
row=2
;ptr=py And 0xF8:ptr=(FnLSl (ptr,4) or px)+1 ;buffer position to start writing to
spritebyte=255
write_byte ;writes byte to display at row and px co-ord
do forever
;
sub write_byte ;writes byte to display at row and px co-ord
  writebyte SSD1306_PAGEADDR
  writebyte row
  writebyte 7
  writebyte SSD1306_COLUMNADDR
  writebyte px
  writebyte 127
  writebyte 64
  writebyte spritebyte
end sub
;
sub writebyte
  HI2CStart
  HI2CSend GLCD_I2C_Address
  HI2CSend 0x00
  HI2CSend SSD1306SendByte
  HI2CStop
end sub

[Chris Roper]

I don't have a GLCD Display to test with but have you tried:

  GLCDCLS
  GLCDPrint 0, 0, "Great Cow BASIC"

Full help and example here:
http://gcbasic.sourceforge.net/help/_ssd1306_controllers.html

[stan cartwright]

The glcd works fine and in the program clears screen and prints test it not writing a byte though, well not on display.
I changed the write sub but no joy. On a picaxe this was easy to make a lib but same code is not working with GCB. Trying to do a sprite routine but can't write 1 byte. doh! Ta anyway.
this works in picaxe and want to convert to GCB
ClearDisplay: ;clears oled screen
hi2cout (0,SSD1306_PAGEADDR)
hi2cout (0,0) ;set row=0
hi2cout (0,7)
;
hi2cout (0,SSD1306_COLUMNADDR)
hi2cout (0,0) ;set column=0
hi2cout (0,127)
;
for ptr=0 to 1023
hi2cout (64,0)
next ptr
;
return
Now GCB,oh dear,dim workio

sub write_byte ;writes byte to display at row and px co-ord
  writebyte SSD1306_PAGEADDR
  writebyte row
  writebyte 7
  writebyte SSD1306_COLUMNADDR
  writebyte px
  writebyte 127
;  writebyte 64
;  writebyte spritebyte
  HI2CStart
  HI2CSend GLCD_I2C_Address
;  HI2CSend 0x00
  HI2CSend 64
  HI2CStop
;
  HI2CStart
  HI2CSend GLCD_I2C_Address
;  HI2CSend 0x00
  HI2CSend spriteByte
  HI2CStop
end sub

[Anobium]

I can look at this when I get home from vacation.