C++ (Cpp) mraa_i2c_read_word_data示例

示例#1

文件： i2c.hpp 项目： 8devices/mraa

    /**
     * Read word from an i2c register
     *
     * @param reg Register to read from
     *
     * @throws std::invalid_argument in case of error
     * @return char read from register
     */
    uint16_t
    readWordReg(uint8_t reg)
    {
        int x = mraa_i2c_read_word_data(m_i2c, reg);
	if (x == -1) {
            throw std::invalid_argument("Unknown error in I2c::readReg()");
        }
        return (uint16_t) x;
    }

示例#2

文件： i2c.c 项目： pbosetti/mruby-mraa

mrb_value
mrb_mraa_i2c_read_word_reg(mrb_state *mrb, mrb_value self){
    mraa_i2c_context i2c;
    mrb_int reg;

    uint16_t rdata;

    Data_Get_Struct(mrb, self, &mrb_mraa_i2c_ctx_type, i2c);

    mrb_get_args(mrb, "i", &reg);
    rdata = mraa_i2c_read_word_data(i2c, reg);

    return mrb_fixnum_value(rdata);
}

示例#3

文件： i2c.hpp 项目： TizenTeam/mraa

 /**
  * Read word from an i2c register
  *
  * @param reg Register to read from
  * @return char read from register
  */
 uint16_t readWordReg(uint8_t reg) {
     return mraa_i2c_read_word_data(m_i2c, reg);
 }