Wire: Max TX buffer length #1562
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txBufferIndex and txBufferLength always have the same value. Thus only 1 variable is necessary. Rename it txDataSize for better understanding. Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
Prepare introduction of max TX buffer length Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
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If data size to be sent is greater than the max defined, application can split the transfert Note: no limit implemented in RX buffer, because when receiving, data are received on I2C, it is not possible to split. Fixes stm32duino#1539 Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
Check of null pointer is already done in both * allocateTxBuffer() * allocateRxBuffer() and it leads to _Error_Handler() Signed-off-by: Alexandre Bourdiol <alexandre.bourdiol@st.com>
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Summary
Wire: limit TX buffer size to avoid consuming too much stack
If data size to be sent is greater than the max defined,
application can split the transfert
Note: no limit implemented in RX buffer, because when receiving,
data are received on I2C, it is not possible to split.
Fixes #1539