1 /*
2 * Copyright (c) 2019 - 2020, Nordic Semiconductor ASA
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its
16 * contributors may be used to endorse or promote products derived from this
17 * software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <nrfx.h>
33
34 #if NRFX_CHECK(NRFX_USBREG_ENABLED)
35
36 #include <nrfx_usbreg.h>
37
38 static nrfx_usbreg_event_handler_t m_usbevt_handler;
39
nrfx_usbreg_handler_get(void)40 nrfx_usbreg_event_handler_t nrfx_usbreg_handler_get(void)
41 {
42 return m_usbevt_handler;
43 }
44
nrfx_usbreg_init(nrfx_usbreg_config_t const * p_config)45 void nrfx_usbreg_init(nrfx_usbreg_config_t const * p_config)
46 {
47 NRFX_ASSERT(p_config != NULL);
48 NRFX_ASSERT(p_config->handler != NULL);
49
50 nrfx_usbreg_uninit();
51 m_usbevt_handler = p_config->handler;
52
53 NRFX_IRQ_PRIORITY_SET(nrfx_get_irq_number(NRF_USBREGULATOR), p_config->irq_priority);
54 NRFX_IRQ_ENABLE(nrfx_get_irq_number(NRF_USBREGULATOR));
55 }
56
nrfx_usbreg_enable(void)57 void nrfx_usbreg_enable(void)
58 {
59 nrf_usbreg_int_enable(NRF_USBREGULATOR, NRF_USBREG_INT_USBDETECTED |
60 NRF_USBREG_INT_USBREMOVED |
61 NRF_USBREG_INT_USBPWRRDY);
62 }
63
nrfx_usbreg_disable(void)64 void nrfx_usbreg_disable(void)
65 {
66 nrf_usbreg_int_disable(NRF_USBREGULATOR, NRF_USBREG_INT_USBDETECTED |
67 NRF_USBREG_INT_USBREMOVED |
68 NRF_USBREG_INT_USBPWRRDY);
69 }
70
nrfx_usbreg_uninit(void)71 void nrfx_usbreg_uninit(void)
72 {
73 nrfx_usbreg_disable();
74 NRFX_IRQ_DISABLE(nrfx_get_irq_number(NRF_USBREGULATOR));
75 m_usbevt_handler = NULL;
76 }
77
nrfx_usbreg_irq_handler(void)78 void nrfx_usbreg_irq_handler(void)
79 {
80 if (nrf_usbreg_event_check(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBDETECTED))
81 {
82 nrf_usbreg_event_clear(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBDETECTED);
83 m_usbevt_handler(NRFX_USBREG_EVT_DETECTED);
84 }
85 if (nrf_usbreg_event_check(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBREMOVED))
86 {
87 nrf_usbreg_event_clear(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBREMOVED);
88 m_usbevt_handler(NRFX_USBREG_EVT_REMOVED);
89 }
90 if (nrf_usbreg_event_check(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBPWRRDY))
91 {
92 nrf_usbreg_event_clear(NRF_USBREGULATOR, NRF_USBREG_EVENT_USBPWRRDY);
93 m_usbevt_handler(NRFX_USBREG_EVT_READY);
94 }
95 }
96
97 #endif // NRFX_CHECK(NRFX_USBREG_ENABLED)
98