73 lines
4.7 KiB
C
73 lines
4.7 KiB
C
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// #################################################################################################
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// # << NEORV32: neorv32_neoled.h - Smart LED Interface (NEOLED) HW Driver >> #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # #
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// # Copyright (c) 2021, Stephan Nolting. All rights reserved. #
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// # #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # permitted provided that the following conditions are met: #
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// # #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of #
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// # conditions and the following disclaimer. #
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// # #
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// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
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// # conditions and the following disclaimer in the documentation and/or other materials #
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// # provided with the distribution. #
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// # #
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// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
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// # endorse or promote products derived from this software without specific prior written #
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// # permission. #
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// # #
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// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
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// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
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// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
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// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
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// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
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// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
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// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
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// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
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// # OF THE POSSIBILITY OF SUCH DAMAGE. #
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// # ********************************************************************************************* #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
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// #################################################################################################
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/**********************************************************************//**
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* @file neorv32_neoled.h
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* @author Stephan Nolting
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* @brief Smart LED Interface (NEOLED) HW driver header file.
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*
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* @note These functions should only be used if the NEOLED unit was synthesized (IO_NEOLED_EN = true).
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**************************************************************************/
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#ifndef neorv32_neoled_h
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#define neorv32_neoled_h
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// prototypes
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int neorv32_neoled_available(void);
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void neorv32_neoled_setup(uint32_t prsc, uint32_t t_total, uint32_t t_high_zero, uint32_t t_high_one);
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void neorv32_neoled_setup_ws2812(void);
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void neorv32_neoled_set_mode(uint32_t mode);
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void neorv32_neoled_strobe_blocking(void);
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void neorv32_neoled_strobe_nonblocking(void);
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void neorv32_neoled_enable(void);
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void neorv32_neoled_disable(void);
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void neorv32_neoled_write_blocking(uint32_t data);
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uint32_t neorv32_neoled_get_buffer_size(void);
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/**********************************************************************//**
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* Send single RGB(W) data word to NEOLED module (non-blocking).
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*
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* @warning This function uses NO busy/flag checks at all!
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*
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* @param[in] data LSB-aligned 24-bit RGB or 32-bit RGBW data
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**************************************************************************/
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inline void __attribute__ ((always_inline)) neorv32_neoled_write_nonblocking(uint32_t data) {
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NEORV32_NEOLED.DATA = data; // send new LED data
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}
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#endif // neorv32_neoled_h
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