[PATCH] Add lvgl_hello: Sample Hello world app using littleVGL and libbsd

Vijay Kumar Banerjee vijaykumar9597 at gmail.com
Mon Sep 2 18:56:50 UTC 2019


>
> > +void
>> > +libbsdhelper_start_shell(rtems_task_priority prio)
>> > +{
>> > +     rtems_status_code sc = rtems_shell_init(
>> > +             "SHLL",
>> > +             STACK_SIZE_SHELL,
>> > +             prio,
>> > +             CONSOLE_DEVICE_NAME,
>> > +             false,
>> > +             true,
>> > +             NULL
>> > +     );
>> > +     assert(sc == RTEMS_SUCCESSFUL);
>> > +}
>> > +
>> > +static void
>> > +Init(rtems_task_argument arg)
>> > +{
>> > +     rtems_status_code sc;
>> > +     int exit_code;
>> > +     (void)arg;
>> > +     static lv_color_t buf[LV_HOR_RES_MAX*10];
>> > +     static lv_disp_buf_t disp_buf;
>> > +
>> > +     puts("\nRTEMS I2C TEST\n");
>> > +     exit_code = bbb_register_i2c_0();
>> > +     assert(exit_code == 0);
>>
>> Is this needed for the display to work?
>>
>> Yes. We need to register the rtems i2c device in order to work with the
> TDA driver
> as libbsd uses rtems i2c driver. The bbb_register_* is making it bbb
> specific, what
> do you suggest to make it more generic?
>
A good reference I could find is in:
https://git.rtems.org/rtems/tree/testsuites/libtests/i2c01/init.c#n534

Should I do something like this in the lvgl example?
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