app_hal.h

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// Copyright 2023 Robert M. Wolff (bob dot wolff 68 at gmail dot com)
//
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this 
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, 
// this list of conditions and the following disclaimer in the documentation and/or 
// other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors 
// may be used to endorse or promote products derived from this software without 
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
 
//
// Many implementation 'cues' were taken from the LVGL platformio sample project for 'startup' actions
//      https://github.com/lvgl/lv_platformio/tree/master/hal/sdl2
//
#ifndef DRIVER_H
#define DRIVER_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
 
void hal_setup(void);
void hal_loop(void);
void hal_delay(void);
 
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /*DRIVER_H*/