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// # << NEORV32: neorv32_neoled.h - Smart LED Interface (NEOLED) HW Driver >>                      #
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// # BSD 3-Clause License                                                                          #
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// # Copyright (c) 2021, Stephan Nolting. All rights reserved.                                     #
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// # The NEORV32 Processor - https://github.com/stnolting/neorv32              (c) Stephan Nolting #
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/**********************************************************************//**
 * @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