Fix TWI driver not aborting when faced with no response after attempting to address a device on the bus.

This commit is contained in:
Dean Camera 2010-02-25 02:47:42 +00:00
parent c0c982df7a
commit 634abab38a
2 changed files with 3 additions and 2 deletions

View File

@ -66,8 +66,8 @@ bool TWI_StartTransmission(uint8_t SlaveAddress, uint8_t TimeoutMS)
case TW_MR_SLA_ACK: case TW_MR_SLA_ACK:
return true; return true;
default: default:
TWI_StopTransmission(); TWCR = ((1 << TWINT) | (1 << TWSTO) | (1 << TWEN));
break; return false;
} }
} }
} }

View File

@ -20,6 +20,7 @@
* <b>Fixed:</b> * <b>Fixed:</b>
* - Fixed software PDI/TPI programming mode in the AVRISP project not correctly toggling just the clock pin * - Fixed software PDI/TPI programming mode in the AVRISP project not correctly toggling just the clock pin
* - Fixed TWI_StartTransmission() corrupting the contents of the GPIOR0 register * - Fixed TWI_StartTransmission() corrupting the contents of the GPIOR0 register
* - Fix TWI driver not aborting when faced with no response after attempting to address a device on the bus
* *
* \section Sec_ChangeLog100219 Version 100219 * \section Sec_ChangeLog100219 Version 100219
* *