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Added method to put the backpack in standby mode #71

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Added method to put the backpack in standby mode #71

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0782824
Added method to put the backpack in standby mode for low power applic…
flupes Mar 20, 2022
dbbb0c4
do not terminate i2c comms (in case more than device is on the bus)
flupes Mar 20, 2022
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8 changes: 8 additions & 0 deletions Adafruit_LEDBackpack.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -322,6 +322,14 @@ void Adafruit_LEDBackpack::clear(void) {
}
}

void Adafruit_LEDBackpack::end() {
if (i2c_dev) {
// turn off oscillator
uint8_t buffer[1] = {0x20};
i2c_dev->write(buffer, 1);
}
}

/******************************* QUAD ALPHANUM OBJECT */

Adafruit_AlphaNum4::Adafruit_AlphaNum4(void) {}
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5 changes: 5 additions & 0 deletions Adafruit_LEDBackpack.h
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Expand Up @@ -97,6 +97,11 @@ class Adafruit_LEDBackpack {
*/
void clear(void);

/*!
@brief Put HT16K33 in standby mode.
*/
void end(void);

uint16_t displaybuffer[8]; ///< Raw display data

protected:
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