annotate doc/LCD-test-wiring @ 69:1e6f05ede5ca

lunalcd: ppmtoimg utility added
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 07 May 2020 00:12:54 +0000
parents 5eaf832d57d0
children
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12
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 Our LCD test program is written assuming the following GPIO wiring:
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 I/O0 (ACBUS0) is wired to the register select pin
5eaf832d57d0 lcdtest program started, skeleton compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 I/O1 (ACBUS1) is wired to the reset pin