NEORV32 - Software Framework Documentation
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neorv32_pwm.h
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1// #################################################################################################
2// # << NEORV32: neorv32_pwm.h - Pulse Width Modulation Controller (PWM) HW Driver >> #
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_pwm_h
44#define neorv32_pwm_h
45
46/**********************************************************************/
51typedef volatile struct __attribute__((packed,aligned(4))) {
52 uint32_t CTRL;
53 uint32_t DC[3];
55
57#define NEORV32_PWM ((neorv32_pwm_t*) (NEORV32_PWM_BASE))
58
69/**********************************************************************/
73int neorv32_pwm_available(void);
74void neorv32_pwm_setup(int prsc);
75void neorv32_pwm_disable(void);
76void neorv32_pwm_enable(void);
78void neorv32_pwm_set(int channel, uint8_t dc);
79uint8_t neorv32_pwm_get(int channel);
82#endif // neorv32_pwm_h
int neorv32_pmw_get_num_channels(void)
Definition neorv32_pwm.c:107
void neorv32_pwm_setup(int prsc)
Definition neorv32_pwm.c:69
uint8_t neorv32_pwm_get(int channel)
Definition neorv32_pwm.c:153
void neorv32_pwm_disable(void)
Definition neorv32_pwm.c:86
void neorv32_pwm_set(int channel, uint8_t dc)
Definition neorv32_pwm.c:129
void neorv32_pwm_enable(void)
Definition neorv32_pwm.c:95
NEORV32_PWM_CTRL_enum
Definition neorv32_pwm.h:60
@ PWM_CTRL_PRSC0
Definition neorv32_pwm.h:62
@ PWM_CTRL_PRSC2
Definition neorv32_pwm.h:64
@ PWM_CTRL_PRSC1
Definition neorv32_pwm.h:63
@ PWM_CTRL_EN
Definition neorv32_pwm.h:61
int neorv32_pwm_available(void)
Definition neorv32_pwm.c:52
Definition neorv32_pwm.h:51
uint32_t CTRL
Definition neorv32_pwm.h:52