blob: 0397941fe895df5757b2d9df7fac046c65519aa9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/****************************************************************
File : delay.h *
Contents : Delays handling header file for NanoXplore *
USB-JTAG ANGIE adapter hardware. *
Based on openULINK project code by: Martin Schmoelzer. *
Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
<aboudjelida@nanoxplore.com> *
<ahmederrachedbjld@gmail.com> *
*****************************************************************/
#ifndef __DELAY_H
#define __DELAY_H
#include <stdint.h>
void syncdelay(uint8_t count);
void delay_5us(void);
void delay_1ms(void);
void delay_us(uint16_t delay);
void delay_ms(uint16_t delay);
#ifndef _IFREQ
#define _IFREQ 48000 /* IFCLK frequency in kHz */
#endif
/* CFREQ can be any one of: 48000, 24000, or 12000 */
#ifndef _CFREQ
#define _CFREQ 48000 /* CLKOUT frequency in kHz */
#endif
#if (_IFREQ < 5000)
#error "_IFREQ too small! Valid Range: 5000 to 48000..."
#endif
#if (_IFREQ > 48000)
#error "_IFREQ too large! Valid Range: 5000 to 48000..."
#endif
#if (_CFREQ != 48000)
#if (_CFREQ != 24000)
#if (_CFREQ != 12000)
#error "_CFREQ invalid! Valid values: 48000, 24000, 12000..."
#endif
#endif
#endif
/* Synchronization Delay formula: see TRM section 15-14 */
#define _SCYCL (3 * (_CFREQ) + 5 * (_IFREQ) - 1) / (2 * (_IFREQ))
#endif
|
