Team2890/allwpilib
4
0
Fork 0
mirror of https://github.com/wpilibsuite/allwpilib synced 2026-07-03 03:01:44 +00:00
Code Issues Packages Projects Releases Wiki Activity

Corrects assumptions about return values from i2c-lib (#484)

Browse Source 
Fixes #478
This commit is contained in:
Tyler Veness
2017-02-17 00:05:54 -08:00
committed by Peter Johnson
parent 1bdbb5ddcc
commit 12f759860e
3 changed files with 17 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
hal/lib/athena/I2C.cpp
View File

@@ -78,7 +78,7 @@ void HAL_InitializeI2C(int32_t port, int32_t* status) {
* @param sendSize Number of bytes to send as part of the transaction.
* @param dataReceived Buffer to read data into.
* @param receiveSize Number of bytes to read from the device.
* @return The number of bytes read (>= 0) or -1 on transfer abort.
* @return >= 0 on success or -1 on transfer abort.
*/
int32_t HAL_TransactionI2C(int32_t port, int32_t deviceAddress,
uint8_t* dataToSend, int32_t sendSize,
@@ -110,7 +110,7 @@ int32_t HAL_TransactionI2C(int32_t port, int32_t deviceAddress,
* @param registerAddress The address of the register on the device to be
* written.
* @param data The byte to write to the register on the device.
* @return The number of bytes written (>= 0) or -1 on transfer abort.
* @return >= 0 on success or -1 on transfer abort.
*/
int32_t HAL_WriteI2C(int32_t port, int32_t deviceAddress, uint8_t* dataToSend,
int32_t sendSize) {
@@ -140,7 +140,7 @@ int32_t HAL_WriteI2C(int32_t port, int32_t deviceAddress, uint8_t* dataToSend,
* @param count The number of bytes to read in the transaction.
* @param buffer A pointer to the array of bytes to store the data read from the
* device.
* @return The number of bytes read (>= 0) or -1 on transfer abort.
* @return >= 0 on success or -1 on transfer abort.
*/
int32_t HAL_ReadI2C(int32_t port, int32_t deviceAddress, uint8_t* buffer,
int32_t count) {