NEORV32 - Software Framework Documentation
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neorv32_slink.h
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1// ================================================================================ //
2// The NEORV32 RISC-V Processor - https://github.com/stnolting/neorv32 //
3// Copyright (c) NEORV32 contributors. //
4// Copyright (c) 2020 - 2024 Stephan Nolting. All rights reserved. //
5// Licensed under the BSD-3-Clause license, see LICENSE for details. //
6// SPDX-License-Identifier: BSD-3-Clause //
7// ================================================================================ //
8
16#ifndef neorv32_slink_h
17#define neorv32_slink_h
18
19/**********************************************************************/
24typedef volatile struct __attribute__((packed,aligned(4))) {
25 uint32_t CTRL;
26 uint32_t ROUTE;
27 uint32_t DATA;
28 uint32_t DATA_LAST;
30
32#define NEORV32_SLINK ((neorv32_slink_t*) (NEORV32_SLINK_BASE))
33
61
69
78/**********************************************************************/
83void neorv32_slink_setup(uint32_t rx_irq, uint32_t tx_irq);
84void neorv32_slink_rx_clear(void);
85void neorv32_slink_tx_clear(void);
88uint32_t neorv32_slink_get(void);
89uint32_t neorv32_slink_check_last(void);
90void neorv32_slink_set_dst(uint32_t dst);
91uint32_t neorv32_slink_get_src(void);
92void neorv32_slink_put(uint32_t tx_data);
93void neorv32_slink_put_last(uint32_t tx_data);
99#endif // neorv32_slink_h