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Added method to control the Bridge Power Switch #13

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Added method to control the Bridge Power Switch #13

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2 changes: 1 addition & 1 deletion keywords.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,7 @@ getData KEYWORD2
currentChannel KEYWORD2
internalCalibration KEYWORD2
toVoltage KEYWORD2

setPWRSW KEYWORD2
#######################################
# Instances (KEYWORD2)
#######################################
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16 changes: 16 additions & 0 deletions src/ad7124.cpp
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Expand Up @@ -218,6 +218,22 @@ Ad7124Chip::setCurrentSource (uint8_t source, uint8_t ch, IoutCurrent current) {
return writeRegister (IOCon_1);
}

// -----------------------------------------------------------------------------
int
Ad7124Chip::setPWRSW(bool enabled) {
Ad7124Register * r;

r = &reg[IOCon_1];

r->value &= ~ AD7124_IO_CTRL1_REG_PDSW;

if (enabled == true) {
r->value |= AD7124_IO_CTRL1_REG_PDSW;
}

return writeRegister (IOCon_1);
}

// -----------------------------------------------------------------------------
int
Ad7124Chip::setBiasPins (uint16_t pinMask) {
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11 changes: 11 additions & 0 deletions src/ad7124.h
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Expand Up @@ -336,6 +336,17 @@ class Ad7124Chip {
*/
int setCurrentSource (uint8_t source, uint8_t ch, Ad7124::IoutCurrent current);

/**
* @brief Set state of power switch pin
*
* The AD7124-4 contains a low side switch that can be used
* to control excitation power to a bridge circuit.
*
* @param enabled State to set switch to. enabled = closed
* @return 0 for success or negative error code
*/
int setPWRSW(bool enabled) ;

/**
* @brief Setting up bias voltage on AIN-Pins
*
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