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Correct use of I2C slave address mask #95

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Merged
merged 1 commit into from
Feb 18, 2016
Merged

Correct use of I2C slave address mask #95

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2 changes: 1 addition & 1 deletion cores/arduino/SERCOM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -409,7 +409,7 @@ void SERCOM::initSlaveWIRE( uint8_t ucAddress )
sercom->I2CS.CTRLA.bit.MODE = I2C_SLAVE_OPERATION ;

sercom->I2CS.ADDR.reg = SERCOM_I2CS_ADDR_ADDR( ucAddress & 0x7Ful ) | // 0x7F, select only 7 bits
SERCOM_I2CS_ADDR_ADDRMASK( 0x3FFul ) ; // 0x3FF all bits set
SERCOM_I2CS_ADDR_ADDRMASK( 0x00ul ) ; // 0x00, only match exact address

// Set the interrupt register
sercom->I2CS.INTENSET.reg = SERCOM_I2CS_INTENSET_PREC | // Stop
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