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MISO unused (#883)

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This commit is contained in:
Michael Miller
2025-03-05 13:09:56 -08:00
committed by GitHub
parent 8665476832
commit 44d9572d5c
2 changed files with 6 additions and 4 deletions
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5
examples/ESP32/DotStarTest_Esp32Advanced/DotStarTest_Esp32Advanced.ino
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@@ -21,6 +21,7 @@
// If you set useSpiAlternatePins true, then these pins will be used instead. Any output-capable GPIO can be used.
const uint8_t DotClockPin = 18;
const uint8_t DotDataPin = 23;
const uint8_t MisoUnusedPin = -1;
const int8_t DotChipSelectPin = -1; // -1 means the chip select signal won't be output, freeing up one pin compared to useSpiAlternatePins=false
// for software bit bang (only use if neither SPI peripheral is available)
@@ -76,7 +77,7 @@ void setup()
#if (USE_DEFAULT_SPI_PORT == 1)
if (useSpiAlternatePins)
{
strip.Begin(DotClockPin, DotDataPin, DotDataPin, DotChipSelectPin);
strip.Begin(DotClockPin, MisoUnusedPin, DotDataPin, DotChipSelectPin);
}
else
{
@@ -90,7 +91,7 @@ void setup()
#if (USE_ALTERNATE_SPI_PORT == 1)
if (useSpiAlternatePins2)
{
strip2.Begin(DotClockPin2, DotDataPin2, DotDataPin2, DotChipSelectPin2);
strip2.Begin(DotClockPin2, MisoUnusedPin, DotDataPin2, DotChipSelectPin2);
}
else
{

5
examples/ESP32/DotStarTest_Esp32DmaSpi/DotStarTest_Esp32DmaSpi.ino
View File

@@ -38,6 +38,7 @@
// If you set useSpiAlternatePins true, then these pins will be used instead. Any output-capable GPIO can be used.
const uint8_t DotClockPin = 18;
const uint8_t DotDataPin = 23;
const uint8_t MisoUnusedPin = -1;
const int8_t DotChipSelectPin = -1; // -1 means the chip select signal won't be output, freeing up one pin compared to useSpiAlternatePins=false
// for software bit bang (only use if neither SPI peripheral is available)
@@ -89,7 +90,7 @@ void setup()
#if (USE_DEFAULT_SPI_PORT == 1)
if (useSpiAlternatePins)
{
strip.Begin(DotClockPin, DotDataPin, DotDataPin, DotChipSelectPin);
strip.Begin(DotClockPin, MisoUnusedPin, DotDataPin, DotChipSelectPin);
}
else
{
@@ -103,7 +104,7 @@ void setup()
#if (USE_ALTERNATE_SPI_PORT == 1)
if (useSpiAlternatePins2)
{
strip2.Begin(DotClockPin2, DotDataPin2, DotDataPin2, DotChipSelectPin2);
strip2.Begin(DotClockPin2, MisoUnusedPin, DotDataPin2, DotChipSelectPin2);
}
else
{