C++ (Cpp) mraa_ftdi_ft4222_i2c_write Examples

Example #1

File: ftdi_ft4222.c Project: babuenir/mraa

static mraa_result_t
mraa_ftdi_ft4222_i2c_write_byte_data(mraa_i2c_context dev, const uint8_t data, const uint8_t command)
{
    uint8_t buf[2];
    buf[0] = command;
    buf[1] = data;
    return mraa_ftdi_ft4222_i2c_write(dev, buf, 2);
}

Example #2

File: ftdi_ft4222.c Project: nioinnovation/mraa

static mraa_result_t
mraa_ftdi_ft4222_i2c_write_word_data(mraa_i2c_context dev, const uint16_t data, const uint8_t command)
{
    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);
}

Example #3

File: ftdi_ft4222.c Project: nioinnovation/mraa

static uint8_t
mraa_ftdi_ft4222_i2c_read_byte_data(mraa_i2c_context dev, uint8_t command)
{
    const uint8_t reg_addr = command;
    uint8_t data;
    if (mraa_ftdi_ft4222_i2c_write(dev, &reg_addr, 1) != MRAA_SUCCESS)
        return 0;
    if (mraa_ftdi_ft4222_i2c_read(dev, &data, 1) != 1)
        return 0;
    return data;
}

Example #4

File: ftdi_ft4222.c Project: nioinnovation/mraa

static mraa_result_t
mraa_ftdi_ft4222_i2c_write_byte(mraa_i2c_context dev, uint8_t data)
{
    return mraa_ftdi_ft4222_i2c_write(dev, &data, 1);
}