exploring-cpp - lesson_4_i2c example not working on Intel Joule

[fmanea]

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I have tested on Ubuntu Core/ Ref-Os-IoT 1705( mraa 1.7.0, upm 1.3.0).

On Ubuntu Core: jhd1313m1_command: mraa_i2c_write_byte_data() failed jhd1313m1_set_color: mraa_i2c_write_byte_data() failed jhd1313m1_data: mraa_i2c_write_byte_data() failed On Ref-Os-Iot: jhd1313m1_init: mraa_i2c_init(LCD) failed. terminate called after throwing an instance of 'std::runtime_error' what(): Jhd1313m1: jhd1313m1_init failed

Is there a problem with Intel Joule I2C? I saw that other users had problems with it here: https://communities.intel.com/thread/110551

Did this example really worked on Intel Joule?