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Add support for SK9822 (#344)

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Adds support for the reset frame of the SK9822 LEDS - should have no impact on APA102

Co-authored-by: feindsender <feindsender@users.noreply.github.com>
This commit is contained in:
feindsender
2020-03-27 21:24:41 +01:00
committed by GitHub
parent b882812611
commit d301498502
1 changed files with 8 additions and 3 deletions
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7
src/internal/DotStarGenericMethod.h
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@@ -78,6 +78,7 @@ public:
void Update(bool) void Update(bool)
{ {
const uint8_t startFrame[4] = { 0x00 }; const uint8_t startFrame[4] = { 0x00 };
const uint8_t resetFrame[4] = { 0x00 };
_wire.beginTransaction(); _wire.beginTransaction();
@@ -87,11 +88,15 @@ public:
// data // data
_wire.transmitBytes(_data, _sizeData); _wire.transmitBytes(_data, _sizeData);
// reset frame
_wire.transmitBytes(resetFrame, sizeof(resetFrame));
// end frame // end frame
// one bit for every two pixels with no less than 1 byte // one bit for every two pixels with no less than 1 byte
for (size_t endFrameByte = 0; endFrameByte < _sizeEndFrame; endFrameByte++) for (size_t endFrameByte = 0; endFrameByte < _sizeEndFrame; endFrameByte++)
{ {
_wire.transmitByte(0xff); _wire.transmitByte(0x00);
} }
_wire.endTransaction(); _wire.endTransaction();