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ft4222.c: Fixed bug in write_byte_data

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Signed-off-by: Henry Bruce <henry.bruce@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Henry Bruce
2015-08-20 12:02:32 -07:00
committed by Brendan Le Foll
parent b841d6c75c
commit ba85c9ebc2
1 changed files with 9 additions and 11 deletions
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20
src/usb/ftdi_ft4222.c
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@@ -350,22 +350,20 @@ mraa_ftdi_ft4222_i2c_read_byte_data(mraa_i2c_context dev, uint8_t command)
static mraa_result_t
mraa_ftdi_ft4222_i2c_write_byte_data(mraa_i2c_context dev, const uint8_t data, const uint8_t command)
{
mraa_result_t status = mraa_ftdi_ft4222_i2c_write_byte(dev, command);
if (status == MRAA_SUCCESS)
return mraa_ftdi_ft4222_i2c_write_byte(dev, data);
else
return status;
uint8_t buf[2];
buf[0] = command;
buf[1] = data;
return mraa_ftdi_ft4222_i2c_write(dev, buf, 2);
}
static mraa_result_t
mraa_ftdi_ft4222_i2c_write_word_data(mraa_i2c_context dev, const uint16_t data, const uint8_t command)
{
mraa_result_t status = mraa_ftdi_ft4222_i2c_write_byte(dev, command);
if (status == MRAA_SUCCESS)
return mraa_ftdi_ft4222_i2c_write(dev, (const uint8_t*)&data, 2);
else
return status;
uint8_t buf[3];
buf[0] = command;
buf[1] = (uint8_t)data;
buf[2] = (uint8_t)(data >> 8);
return mraa_ftdi_ft4222_i2c_write(dev, buf, 3);
}
static mraa_result_t