diff options
Diffstat (limited to 'libraries/Wire/src/Wire.cpp')
| -rw-r--r-- | libraries/Wire/src/Wire.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libraries/Wire/src/Wire.cpp b/libraries/Wire/src/Wire.cpp index 58916ce..b446f9a 100644 --- a/libraries/Wire/src/Wire.cpp +++ b/libraries/Wire/src/Wire.cpp @@ -18,6 +18,7 @@ Modified 2012 by Todd Krein (todd@krein.org) to implement repeated starts Modified 2017 by Chuck Todd (ctodd@cableone.net) to correct Unconfigured Slave Mode reboot + Modified 2020 by Greyson Christoforo (grey@christoforo.net) to implement timeouts */ extern "C" { @@ -86,6 +87,33 @@ void TwoWire::setClock(uint32_t clock) twi_setFrequency(clock); } +/*** + * Sets the TWI timeout. + * + * @param timeout a timeout value in microseconds, if zero then timeout checking is disabled + * @param reset_with_timeout if true then TWI interface will be automatically reset on timeout + * if false then TWI interface will not be reset on timeout + */ +void TwoWire::setWireTimeoutUs(uint32_t timeout, bool reset_with_timeout){ + twi_setTimeoutInMicros(timeout, reset_with_timeout); +} + +/*** + * Returns the TWI timeout flag. + * + * @return true if timeout has occured + */ +bool TwoWire::getWireTimeoutFlag(void){ + return(twi_manageTimeoutFlag(false)); +} + +/*** + * Clears the TWI timeout flag. + */ +void TwoWire::clearWireTimeoutFlag(void){ + twi_manageTimeoutFlag(true); +} + uint8_t TwoWire::requestFrom(uint8_t address, uint8_t quantity, uint32_t iaddress, uint8_t isize, uint8_t sendStop) { if (isize > 0) { |