BeRTOS
hw_spi.h
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00001 
00039 #ifndef HW_SPI_H
00040 #define HW_SPI_H
00041 
00042 #warning TODO:This is an example implentation, you must implement it!
00043 
00044 #include <cfg/macros.h>
00045 
00054 #define CS       /* pin */   ///Connect to CS pin of Flash memory.
00055 #define SCK      /* pin */   ///Connect to SCK pin of Flash memory.
00056 #define MOSI     /* pin */   ///Connect to SI pin of Flash memory.
00057 #define MISO     /* pin */   ///Connect to SO pin of Flash memory.
00058 #define SPI_PORT /* pin */   ///Micro pin PORT register.
00059 #define SPI_PIN  /* pin */   ///Micro pin PIN register.
00060 #define SPI_DDR  /* pin */   ///Micro pin DDR register.
00061 /*\}*/
00062 
00068 #define MOSI_LOW()       do { /* Implement me! */ } while(0)
00069 #define MOSI_HIGH()      do { /* Implement me! */ } while(0)
00070 #define MISO_HIGH()      do { /* Implement me! */ } while(0)
00071 #define SCK_LOW()        do { /* Implement me! */ } while(0)
00072 #define SCK_HIGH()       do { /* Implement me! */ } while(0)
00073 #define CS_LOW()         do { /* Implement me! */ } while(0)
00074 #define CS_HIGH()        do { /* Implement me! */ } while(0)
00075 /*\}*/
00076 
00082 #define CS_ENABLE()      CS_LOW()
00083 #define CS_DISABLE()     CS_HIGH()
00084 #define SS_ACTIVE()      CS_LOW()
00085 #define SS_INACTIVE()    CS_HIGH()
00086 #define SCK_INACTIVE()   SCK_LOW()
00087 #define SCK_ACTIVE()     SCK_HIGH()
00088 #define CS_OUT()         do { /* Implement me! */ } while(0)
00089 #define MOSI_IN()        do { /* Implement me! */ } while(0)
00090 #define MOSI_OUT()       do { /* Implement me! */ } while(0)
00091 #define IS_MISO_HIGH()   (false /* Implement me! */ )
00092 #define MISO_IN()        do { /* Implement me! */ } while(0)
00093 #define MISO_OUT()       do { /* Implement me! */ } while(0)
00094 #define SCK_OUT()        do { /* Implement me! */ } while(0)
00095 
00096 #define SCK_PULSE()\
00097     do {\
00098             SCK_HIGH();\
00099             SCK_LOW();\
00100     } while (0)
00101 /*\}*/
00102 
00103 
00104 #define SPI_HW_INIT() \
00105     CS_DISABLE();\
00106     MOSI_LOW();\
00107     SCK_LOW();\
00108     MISO_IN();\
00109     MOSI_OUT();\
00110     SCK_OUT();\
00111     CS_OUT();
00112 
00113 #endif /* HW_SPI_H */
00114