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fix: reduce current usage on STM32-based hosts when using TXNs #146

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Merged
merged 1 commit into from
Aug 8, 2025
Merged

fix: reduce current usage on STM32-based hosts when using TXNs #146

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13 changes: 13 additions & 0 deletions src/NoteTxn_Arduino.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,13 @@ NoteTxn_Arduino::NoteTxn_Arduino
_rtx_pin(rtx_pin_)
{
// Float CTX/RTX to conserve energy
#ifdef ARDUINO_ARCH_STM32
::pinMode(_ctx_pin, INPUT_ANALOG);
::pinMode(_rtx_pin, INPUT_ANALOG);
#else
::pinMode(_ctx_pin, INPUT);
::pinMode(_rtx_pin, INPUT);
#endif
}

bool
Expand All @@ -84,7 +89,11 @@ NoteTxn_Arduino::start (
}

// Float CTX to conserve energy
#ifdef ARDUINO_ARCH_STM32
::pinMode(_ctx_pin, INPUT_ANALOG);
#else
::pinMode(_ctx_pin, INPUT);
#endif

// Abandon request on timeout
if (!result) {
Expand All @@ -100,7 +109,11 @@ NoteTxn_Arduino::stop (
)
{
// Float RTX pin
#ifdef ARDUINO_ARCH_STM32
::pinMode(_rtx_pin, INPUT_ANALOG);
#else
::pinMode(_rtx_pin, INPUT);
#endif
}

// Explicitly instantiate the template function for array types
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