LCD init problem

[dileptor]

Posted on November 17, 2011 at 16:37The original post was too long to process during our migration. Please click on the attachment to read the original post.

[singamicro]

Posted on November 22, 2011 at 14:14

My understanding of the HD44780 is that it may be either in the 4-bit mode or in the 8-bit mode when powered up. Hence, it is usually necessary to send 0x38 three times to initialise it properly.

By the way, it saves some connections by using 4-bit(4-wire) mode.

http://singamicro-63-stm32l152-k1.blogspot.com/p/lcd-page-32.html