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Libs/RiscV/NEORV32/sw/lib/include/neorv32_neoled.h Normal file
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// #################################################################################################
// # << NEORV32: neorv32_neoled.h - Smart LED Interface (NEOLED) HW Driver >> #
// # ********************************************************************************************* #
// # BSD 3-Clause License #
// # #
// # Copyright (c) 2021, Stephan Nolting. All rights reserved. #
// # #
// # 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. #
// # ********************************************************************************************* #
// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
// #################################################################################################
/**********************************************************************//**
* @file neorv32_neoled.h
* @author Stephan Nolting
* @brief Smart LED Interface (NEOLED) HW driver header file.
*
* @note These functions should only be used if the NEOLED unit was synthesized (IO_NEOLED_EN = true).
**************************************************************************/
#ifndef neorv32_neoled_h
#define neorv32_neoled_h
// prototypes
int neorv32_neoled_available(void);
void neorv32_neoled_setup(uint32_t prsc, uint32_t t_total, uint32_t t_high_zero, uint32_t t_high_one);
void neorv32_neoled_setup_ws2812(void);
void neorv32_neoled_set_mode(uint32_t mode);
void neorv32_neoled_strobe_blocking(void);
void neorv32_neoled_strobe_nonblocking(void);
void neorv32_neoled_enable(void);
void neorv32_neoled_disable(void);
void neorv32_neoled_write_blocking(uint32_t data);
uint32_t neorv32_neoled_get_buffer_size(void);
/**********************************************************************//**
* Send single RGB(W) data word to NEOLED module (non-blocking).
*
* @warning This function uses NO busy/flag checks at all!
*
* @param[in] data LSB-aligned 24-bit RGB or 32-bit RGBW data
**************************************************************************/
inline void __attribute__ ((always_inline)) neorv32_neoled_write_nonblocking(uint32_t data) {
NEORV32_NEOLED.DATA = data; // send new LED data
}
#endif // neorv32_neoled_h