BOOL I2Crecv(UINT8 address, int length, UINT8* buffer)
{
BOOL success = TRUE;
// Start the transfer for writing data to the LCD.
if (StartTransfer(FALSE)) {
I2C_7_BIT_ADDRESS SlaveAddress;
I2C_FORMAT_7_BIT_ADDRESS(SlaveAddress, address, I2C_READ);
if (TransmitOneByte(SlaveAddress.byte)) {
const char* cp;
// Call TransmitOneByte() for each non-null character in the string.
// Stop with success set to false if TransmitOneByte() returns failure.
int index = 0;
while (index < length) {
if (index == (length-1)) {
success = ReceiveOneByte(buffer, FALSE);
index++;
buffer++;
}
else {
success = ReceiveOneByte(buffer, TRUE);
index++;
buffer++;
}
}
if (success) {
StopTransfer();
}
}
else {
success = FALSE;
}
}
else {
success = FALSE;
}
return success;
}
void i2c_read(I2C_MODULE i2c_id, uint8_t address, uint8_t *data, uint16_t len)
{
uint16_t i;
if (!StartTransfer(i2c_id, FALSE))
{
return;
}
if (!TransmitOneByte(i2c_id, (address | 0x01)))
{
return;
}
for (i = 0; i < len; i++)
{
if (i < len-1) // send ACK
data[i] = ReceiveOneByte(i2c_id, TRUE);
else // send NACK
data[i] = ReceiveOneByte(i2c_id, FALSE);
}
StopTransfer(i2c_id);
}
