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Project:Infotec displays: Difference between revisions
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>PR#0#00#00,07,08#25,05,2012,2#3D< | >PR#0#00#00,07,08#25,05,2012,2#3D< | ||
sent at 9600 baud sets the time to 00:07:08 (and, presumably, the calendar to 25/5/12 though we don't know how to display that at the moment). The tailing 3D is a checksum - the 2-digit hex representation of the XOR of all | sent at 9600 baud sets the time to 00:07:08 (and, presumably, the calendar to 25/5/12 though we don't know how to display that at the moment). The tailing 3D is a checksum - the 2-digit hex representation of the XOR of all the preceding characters, starting with the '>'. | ||
The clock seems to initially set itself up for 19200 baud serial port but later in the initialisation changes it to 9600. | The clock seems to initially set itself up for 19200 baud serial port but later in the initialisation changes it to 9600. | ||
