The registers within the Max7219 can get corrupted a number of ways. This allows the Max7219 to be reset and fully initialized. And... it also allows the user to see the initialization pattern.
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39 | 39 |
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40 | 40 |
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41 | 41 |
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42 |
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42 |
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43 | 43 |
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44 | 44 |
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45 | 45 |
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