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Data from hitachi LIQUID CRYSTAL CHARACTER DISPLAY MODULE and OPTREX DOT MATRIX LCD MODULE databooks
/**************************************************************************************************
* 簡介
*
* 本模塊僅使用于字符顯示液晶模塊
*
* 當前版本的驅動僅支持以下類型LCD模塊驅動:
* hitachi HD44780 或與之兼容的芯片.
*
* LCD顯示函數支持以下格式:
* 1 line x 8 characters
* 1 line x 16 characters 2 lines x 16 characters 4 lines x 16 characters
* 1 line x 20 characters 2 lines x 20 characters 4 lines x 20 characters
* 1 line x 24 characters 2 lines x 24 characters
* 1 line x 40 characters 2 lines x 40 characters
*說明：
* 1 line x 16 characters 需要定義為2*8的液晶模塊
**************************************************************************************************/
