4 * This file is part of BeRTOS.
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7 * it under the terms of the GNU General Public License as published by
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
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26 * invalidate any other reasons why the executable file might be covered by
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29 * Copyright 2008 Develer S.r.l. (http://www.develer.com/)
30 * All Rights Reserved.
33 * \brief Hardware macro definition.
36 * \author Daniele Basile <asterix@develer.com>
43 #include <cfg/macros.h>
48 * \note CS is assert when level
53 #define CS /* pin */ ///Connect to CS pin of Flash memory.
54 #define SCK /* pin */ ///Connect to SCK pin of Flash memory.
55 #define MOSI /* pin */ ///Connect to SI pin of Flash memory.
56 #define MISO /* pin */ ///Connect to SO pin of Flash memory.
57 #define SPI_PORT /* pin */ ///Micro pin PORT register.
58 #define SPI_PIN /* pin */ ///Micro pin PIN register.
59 #define SPI_DDR /* pin */ ///Micro pin DDR register.
67 #define MOSI_LOW() do { /* Implement me! */ } while(0)
68 #define MOSI_HIGH() do { /* Implement me! */ } while(0)
69 #define MISO_HIGH() do { /* Implement me! */ } while(0)
70 #define SCK_LOW() do { /* Implement me! */ } while(0)
71 #define SCK_HIGH() do { /* Implement me! */ } while(0)
72 #define CS_LOW() do { /* Implement me! */ } while(0)
73 #define CS_HIGH() do { /* Implement me! */ } while(0)
81 #define CS_ENABLE() do { SPI0_MR = (SPI0_MR & ~SPI_PCS) | SPI_PCS_3; } while (0)
82 #define CS_DISABLE() do { SPI0_MR = (SPI0_MR & ~SPI_PCS) | SPI_PCS_2; } while (0)
83 #define SS_ACTIVE() CS_LOW()
84 #define SS_INACTIVE() CS_HIGH()
85 #define SCK_INACTIVE() SCK_LOW()
86 #define SCK_ACTIVE() SCK_HIGH()
87 #define CS_OUT() do { /* Implement me! */ } while(0)
88 #define MOSI_IN() do { /* Implement me! */ } while(0)
89 #define MOSI_OUT() do { /* Implement me! */ } while(0)
90 #define IS_MISO_HIGH() (false /* Implement me! */ )
91 #define MISO_IN() do { /* Implement me! */ } while(0)
92 #define MISO_OUT() do { /* Implement me! */ } while(0)
93 #define SCK_OUT() do { /* Implement me! */ } while(0)
103 #define SPI_HW_INIT() do { \
104 /* Disable PIO on SPI CS pin */ \
106 /* Peripheral B for chip select 2/3 for display and flash */ \
107 PIOA_ABCDSR1 |= BV(22); \
108 PIOA_ABCDSR2 &= ~BV(22); \
111 #endif /* HW_SPI_H */