uint8_t SX9500WriteBuffer( uint8_t addr, uint8_t *data, uint8_t size )
{
return I2cWriteBuffer( &I2c, I2cDeviceAddr << 1, addr, data, size );
}
uint8_t EepromWriteBuffer( uint16_t addr, uint8_t *buffer, uint16_t size )
{
uint8_t nbPage = 0;
uint8_t nbBytes = 0;
uint8_t nbBytesRemaining = 0;
uint16_t lAddr = 0;
lAddr = addr % EE_PAGE_SIZE;
nbBytesRemaining = EE_PAGE_SIZE - lAddr;
nbPage = size / EE_PAGE_SIZE;
nbBytes = size % EE_PAGE_SIZE;
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_16 );
/*!< If lAddr is EE_PAGE_SIZE aligned */
if( lAddr == 0 )
{
/*!< If size < EE_PAGE_SIZE */
if( nbPage == 0 )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, size ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
}
/*!< If size > EE_PAGE_SIZE */
else
{
while( nbPage-- )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, EE_PAGE_SIZE ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
addr += EE_PAGE_SIZE;
buffer += EE_PAGE_SIZE;
}
if( nbBytes != 0 )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, nbBytes ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
}
}
}
/*!< If addr is not EE_PAGE_SIZE aligned */
else
{
/*!< If size < EE_PAGE_SIZE */
if( nbPage== 0 )
{
/*!< If the number of data to be written is more than the remaining space
in the current page: */
if ( size > nbBytesRemaining )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, nbBytesRemaining ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, ( addr + nbBytesRemaining ),
( uint8_t* )( buffer + nbBytesRemaining ),
( size - nbBytesRemaining ) ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
}
else
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, nbBytes ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
}
}
/*!< If size > EE_PAGE_SIZE */
else
{
size -= nbBytesRemaining;
nbPage = size / EE_PAGE_SIZE;
nbBytes = size % EE_PAGE_SIZE;
if( nbBytesRemaining != 0 )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, nbBytesRemaining ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
addr += nbBytesRemaining;
buffer += nbBytesRemaining;
}
while( nbPage-- )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, EE_PAGE_SIZE ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
addr += EE_PAGE_SIZE;
buffer += EE_PAGE_SIZE;
}
if( nbBytes != 0 )
{
if( I2cWriteBuffer( &I2c, I2cDeviceAddr, addr, buffer, nbBytes ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
if( I2cMcuWaitStandbyState( &I2c, I2cDeviceAddr ) == FAIL )
{
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return FAIL;
}
}
}
}
I2cSetAddrSize( &I2c, I2C_ADDR_SIZE_8 );
return SUCCESS;
}
