ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added a timeout value to the TWI_StartTransmission() function, within which the addressed device must respond.

Browse source 
Fixed TWI_StartTransmission() corrupting the contents of the GPIOR0 register.
This commit is contained in:
Dean Camera 2010-02-24 09:49:19 +00:00
parent 14a5a94084
commit c0c982df7a
6 changed files with 56 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

4
LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
View file

@ -56,6 +56,7 @@
#include <avr/io.h>
#include <stdbool.h>
#include <util/twi.h>
#include <util/delay.h>
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
@ -131,10 +132,11 @@
/** Begins a master mode TWI bus communication with the given slave device address.
*
* \param[in] SlaveAddress Address of the slave TWI device to communicate with
* \param[in] TimeoutMS Timeout period within which the slave must respond, in milliseconds
*
* \return Boolean true if the device is ready for data, false otherwise
*/
bool TWI_StartTransmission(uint8_t SlaveAddress);
bool TWI_StartTransmission(uint8_t SlaveAddress, uint8_t TimeoutMS);
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)