NEORV32 - Software Framework Documentation
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neorv32_gpio.h
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1// #################################################################################################
2// # << NEORV32: neorv32_gpio.h - General Purpose Input/Output Port HW Driver (Header) >> #
3// # ********************************************************************************************* #
4// # BSD 3-Clause License #
5// # #
6// # Copyright (c) 2023, Stephan Nolting. All rights reserved. #
7// # #
8// # Redistribution and use in source and binary forms, with or without modification, are #
9// # permitted provided that the following conditions are met: #
10// # #
11// # 1. Redistributions of source code must retain the above copyright notice, this list of #
12// # conditions and the following disclaimer. #
13// # #
14// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
15// # conditions and the following disclaimer in the documentation and/or other materials #
16// # provided with the distribution. #
17// # #
18// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
19// # endorse or promote products derived from this software without specific prior written #
20// # permission. #
21// # #
22// # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
23// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
24// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
25// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
26// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
27// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
28// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
29// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
30// # OF THE POSSIBILITY OF SUCH DAMAGE. #
31// # ********************************************************************************************* #
32// # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
33// #################################################################################################
34
35
36/**********************************************************************/
43#ifndef neorv32_gpio_h
44#define neorv32_gpio_h
45
46/**********************************************************************/
51typedef volatile struct __attribute__((packed,aligned(4))) {
52 const uint32_t INPUT_LO;
53 const uint32_t INPUT_HI;
54 uint32_t OUTPUT_LO;
55 uint32_t OUTPUT_HI;
57
59#define NEORV32_GPIO ((neorv32_gpio_t*) (NEORV32_GPIO_BASE))
63/**********************************************************************/
68void neorv32_gpio_pin_set(int pin);
69void neorv32_gpio_pin_clr(int pin);
70void neorv32_gpio_pin_toggle(int pin);
71uint32_t neorv32_gpio_pin_get(int pin);
72
73void neorv32_gpio_port_set(uint64_t d);
74uint64_t neorv32_gpio_port_get(void);
78#endif // neorv32_gpio_h
void neorv32_gpio_pin_toggle(int pin)
Definition neorv32_gpio.c:104
void neorv32_gpio_pin_set(int pin)
Definition neorv32_gpio.c:68
int neorv32_gpio_available(void)
Definition neorv32_gpio.c:52
void neorv32_gpio_port_set(uint64_t d)
Definition neorv32_gpio.c:141
uint64_t neorv32_gpio_port_get(void)
Definition neorv32_gpio.c:159
void neorv32_gpio_pin_clr(int pin)
Definition neorv32_gpio.c:86
uint32_t neorv32_gpio_pin_get(int pin)
Definition neorv32_gpio.c:123
Definition neorv32_gpio.h:51
uint32_t OUTPUT_LO
Definition neorv32_gpio.h:54
const uint32_t INPUT_LO
Definition neorv32_gpio.h:52
uint32_t OUTPUT_HI
Definition neorv32_gpio.h:55
const uint32_t INPUT_HI
Definition neorv32_gpio.h:53