1 /**
2 * \file
3 *
4 * \brief HAL delay related functionality implementation.
5 *
6 * Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
7 *
8 * \asf_license_start
9 *
10 * \page License
11 *
12 * Subject to your compliance with these terms, you may use Microchip
13 * software and any derivatives exclusively with Microchip products.
14 * It is your responsibility to comply with third party license terms applicable
15 * to your use of third party software (including open source software) that
16 * may accompany Microchip software.
17 *
18 * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES,
19 * WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE,
20 * INCLUDING ANY IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY,
21 * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE
22 * LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL
23 * LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND WHATSOEVER RELATED TO THE
24 * SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS BEEN ADVISED OF THE
25 * POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE FULLEST EXTENT
26 * ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN ANY WAY
27 * RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY,
28 * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
29 *
30 * \asf_license_stop
31 *
32 */
33
34 #include <hpl_irq.h>
35 #include <hpl_reset.h>
36 #include <hpl_sleep.h>
37 #include "hal_delay.h"
38 #include <hpl_delay.h>
39
40 /**
41 * \brief Driver version
42 */
43 #define DRIVER_VERSION 0x00000001u
44
45 /**
46 * \brief The pointer to a hardware instance used by the driver.
47 */
48 static void *hardware;
49
50 /**
51 * \brief Initialize Delay driver
52 */
delay_init(void * const hw)53 void delay_init(void *const hw)
54 {
55 _delay_init(hardware = hw);
56 }
57
58 /**
59 * \brief Perform delay in us
60 */
delay_us(const uint16_t us)61 void delay_us(const uint16_t us)
62 {
63 _delay_cycles(hardware, _get_cycles_for_us(us));
64 }
65
66 /**
67 * \brief Perform delay in ms
68 */
delay_ms(const uint16_t ms)69 void delay_ms(const uint16_t ms)
70 {
71 _delay_cycles(hardware, _get_cycles_for_ms(ms));
72 }
73
74 /**
75 * \brief Retrieve the current driver version
76 */
delay_get_version(void)77 uint32_t delay_get_version(void)
78 {
79 return DRIVER_VERSION;
80 }
81