![]() The printf(lcd_putc,'Helo World') is a recursive call. The code snippet suggests a 4 bit parallel interface to a LCD controller. There isn't enough information to help you. ![]() LCD.C is a template rather than a universal solution. When all that is known next comes the initialization an initial command is often sent then a delay before sending additional commands. Is it a serial interface ( rs232 I2C SPI) or parallel If parallel is it a 4 bit or 8 bit interface.ĭoes it have the correct bias voltage to provide contrast. ![]() If it doesn't have a controller this will be a very difficult project for you. First you need to know whether your LCD has a controller. Well there are many types of LCD and many ways they can have issues.
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June 2023
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