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Tiny improvement to M7219

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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.
This commit is contained in:
Roxy-3D
2018-06-19 14:39:40 -05:00
committed by Scott Lahteine
parent 888d319145
commit 7d491aa015
5 changed files with 22 additions and 22 deletions
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2
Marlin/Sd2Card.cpp
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@@ -399,7 +399,7 @@ bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
#if ENABLED(SD_CHECK_AND_RETRY)
uint8_t retryCnt = 3;
for(;;) {
for (;;) {
if (cardCommand(CMD17, blockNumber))
error(SD_CARD_ERROR_CMD17);
else if (readData(dst, 512))