blob: 3ad25b37aa1b590f3b931832f0ddfe269b326b25 (
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
51
52
53
54
|
/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file LPC214x/lpc214x_ssp.h
* @brief LPC214x SSP driver macros and structures.
* @addtogroup LPC214x_SSP
* @{
*/
#ifndef _LPC214x_SSP_H_
#define _LPC214x_SSP_H_
/**
* @brief SSP bus mutual exclusion control.
* @details Configuration parameter, if set to @p TRUE enforces mutual
* exclusion when invoking @p sspAcquireBus() and @p sspReleaseBus().
* @note The internally used synchronization mechanism is a @p Semaphore.
*/
#if !defined(LPC214x_SSP_USE_MUTEX) || defined(__DOXYGEN__)
#define LPC214x_SSP_USE_MUTEX TRUE
#endif
#ifdef __cplusplus
}
#endif
void ssp_init(void);
void ssp_setup(int cpsr, int cr0, int cr1);
void sspAcquireBus(void);
void sspReleaseBus(void);
void sspRW(uint8_t *in, uint8_t *out, size_t n);
#ifdef __cplusplus
}
#endif
#endif /* _LPC214x_SSP_H_*/
/** @} */
|
