llcspi  2.0.0.0
llcspi.h
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1 /*
2  * MikroSDK - MikroE Software Development Kit
3  * Copyright© 2020 MikroElektronika d.o.o.
4  *
5  * Permission is hereby granted, free of charge, to any person
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9  * publish, distribute, sublicense, and/or sell copies of the Software,
10  * and to permit persons to whom the Software is furnished to do so,
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24 
33 // ----------------------------------------------------------------------------
34 
35 #ifndef LLCSPI_H
36 #define LLCSPI_H
37 
38 #include "mikrosdk_version.h"
39 
40 #ifdef __GNUC__
41 #if mikroSDK_GET_VERSION < 20800ul
42 #include "rcu_delays.h"
43 #else
44 #include "delays.h"
45 #endif
46 #endif
47 
48 #include "drv_digital_out.h"
49 #include "drv_digital_in.h"
50 #include "drv_spi_master.h"
51 
52 
53 // -------------------------------------------------------------- PUBLIC MACROS
64 #define LLCSPI_MAP_MIKROBUS( cfg, mikrobus ) \
65  cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
66  cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
67  cfg.sck = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
68  cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS )
69 
75 #define LLCSPI_RETVAL uint8_t
76 
77 #define LLCSPI_OK 0x00
78 #define LLCSPI_INIT_ERROR 0xFF
79  // End group macro
82 // --------------------------------------------------------------- PUBLIC TYPES
91 typedef struct
92 {
93  digital_out_t cs;
94 
95  // Modules
96 
97  spi_master_t spi;
98  pin_name_t chip_select;
99 
100 } llcspi_t;
101 
105 typedef struct
106 {
107  // Communication gpio pins
108 
109  pin_name_t miso;
110  pin_name_t mosi;
111  pin_name_t sck;
112  pin_name_t cs;
113 
114  // static variable
115 
116  uint32_t spi_speed;
117  spi_master_mode_t spi_mode;
118  spi_master_chip_select_polarity_t cs_polarity;
119 
120 } llcspi_cfg_t;
121  // End types group
123 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
124 
129 #ifdef __cplusplus
130 extern "C"{
131 #endif
132 
142 
151 
163 void llcspi_generic_transfer ( llcspi_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len );
164 
171 void llcspi_set_cs_pin ( llcspi_t *ctx, uint8_t state);
172 
185 void llcspi_generic_write ( llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes );
186 
199 void llcspi_generic_read ( llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes );
200 
201 #ifdef __cplusplus
202 }
203 #endif
204 #endif // _LLCSPI_H_
205  // End public_function group
208 
209 // ------------------------------------------------------------------------- END
LLCSPI_RETVAL
#define LLCSPI_RETVAL
Definition: llcspi.h:75
llcspi_t
Click ctx object definition.
Definition: llcspi.h:92
llcspi_cfg_t::sck
pin_name_t sck
Definition: llcspi.h:111
llcspi_cfg_t::cs
pin_name_t cs
Definition: llcspi.h:112
llcspi_cfg_t::miso
pin_name_t miso
Definition: llcspi.h:109
llcspi_cfg_t::spi_speed
uint32_t spi_speed
Definition: llcspi.h:116
llcspi_generic_transfer
void llcspi_generic_transfer(llcspi_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
Generic transfer function.
llcspi_cfg_t
Click configuration structure definition.
Definition: llcspi.h:106
llcspi_cfg_t::cs_polarity
spi_master_chip_select_polarity_t cs_polarity
Definition: llcspi.h:118
llcspi_cfg_t::mosi
pin_name_t mosi
Definition: llcspi.h:110
llcspi_t::spi
spi_master_t spi
Definition: llcspi.h:97
llcspi_generic_read
void llcspi_generic_read(llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes)
LLC SPI read.
llcspi_set_cs_pin
void llcspi_set_cs_pin(llcspi_t *ctx, uint8_t state)
Function for set CS pin state.
llcspi_cfg_t::spi_mode
spi_master_mode_t spi_mode
Definition: llcspi.h:117
llcspi_cfg_setup
void llcspi_cfg_setup(llcspi_cfg_t *cfg)
Config Object Initialization function.
llcspi_generic_write
void llcspi_generic_write(llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes)
LLC SPI write.
llcspi_t::cs
digital_out_t cs
Definition: llcspi.h:93
llcspi_t::chip_select
pin_name_t chip_select
Definition: llcspi.h:98
llcspi_init
LLCSPI_RETVAL llcspi_init(llcspi_t *ctx, llcspi_cfg_t *cfg)
Initialization function.