OS
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Activity overview
Latest activity by OS-
OS commented,
Hi again.Luckily I found my mistake why I could not write data to CGRAM.In the function data_write() the RW signal was wrong, RW_HIGH should be RW_LOW. Unfortunately we really need to set more t...
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OS created a post,
NHD-0220CW-AG3 Character set
Hello.We are using a NHD-0220CW-AG3 (in 4-bit Parallel 6800 interface) with the character set of ROM C.Is it possible to overwrite the first 8 character of ROM C to add individual character?I tried...
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OS commented,
Ok, I found out a new thing: it is possible to show a character and a cursor at one position at the same time. But one more question: Is it possible to deactivate the auto increment of the cursor?...
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OS commented,
Hi again.I think my problem is done. It seams as if I had a wrong idea of how the cursor works.It is not possible to show a character and a cursor at one position at the same time, is this correct?...
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OS commented,
Hello.One more notice: When I send command(0x01) to clear the display, the text is erased but the cursor is visible again (at first position).What am I doing wrong?
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OS commented,
Hello.In the init function it is " command(0x0C); //fund. com. set: display ON:0C".Later I send command(0x0E) for turning the cursor on. That works fine.Moving the Cursor with command(0x14) works a...
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OS created a post,
NHD-0220CW: cursor not visible with text
Hello.It is my first OLED charakter display. I can turn on the cursor an move it to left and right. But when I send text, the cursor is not visible anymore. Is this correct?Thanks.