Synopsis
int sub_bb_i2c_write( sub_handle hndl, int channel, int sa, int ma, int ma_sz,
char* buf, int sz )
Perform complete I2C master write transaction with optional memory address write. Transaction will have following format:
If ma_sz is zero "Memory Address Write" stage will be skipped.
Function has no limitation of the write data size - sz parameter. However internal organization of the I2C slave device being written should be considered especially Acknowledge Polling and EEPROM Page Write.
Parameters
| • | channel - Bit-bang I2C Master channel 0..3 |
| • | sa - Slave Address |
| • | ma - Memory Address. Will be shifted out in "Memory Address Write" stage MSB first |
| • | ma_sz - Memory Address size bytes |
| • | buf - Buffer for data to be written |
| • | sz - Write data size bytes |
Return value
On success function returns 0. Otherwise error code.
See also
Compatibility
FW version |
0.2.6 or grater |
Library version |
0.1.12.16 or grater |