__w1_f19_i2c_write
result = __w1_f19_i2c_write(sl, command, 2, buffer, count);
result = __w1_f19_i2c_write(sl, command, 2, p,
result = __w1_f19_i2c_write(sl, command, 1, p,
result = __w1_f19_i2c_write(sl, command, 1, p, remaining);