fram2  2.0.0.0
fram2.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
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without restriction,
8  * including without limitation the rights to use, copy, modify, merge,
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,
11  * subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
22  * OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
33 // ----------------------------------------------------------------------------
34 
35 #ifndef FRAM2_H
36 #define FRAM2_H
37 
42 #ifdef PREINIT_SUPPORTED
43 #include "preinit.h"
44 #endif
45 
46 #ifdef MikroCCoreVersion
47  #if MikroCCoreVersion >= 1
48  #include "delays.h"
49  #endif
50 #endif
51 
52 #include "drv_digital_out.h"
53 #include "drv_digital_in.h"
54 #include "drv_spi_master.h"
55 
56 // -------------------------------------------------------------- PUBLIC MACROS
67 #define FRAM2_MAP_MIKROBUS( cfg, mikrobus ) \
68  cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
69  cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
70  cfg.sck = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
71  cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS ); \
72  cfg.wp = MIKROBUS( mikrobus, MIKROBUS_RST ); \
73  cfg.hld = MIKROBUS( mikrobus, MIKROBUS_PWM )
74 
80 #define FRAM2_RETVAL uint8_t
81 
82 #define FRAM2_OK 0x00
83 #define FRAM2_INIT_ERROR 0xFF
84 
90 #define FRAM_WREN 0x06
91 #define FRAM_WRDI 0x04
92 #define FRAM_RDSR 0x05
93 #define FRAM_WRSR 0x01
94 #define FRAM_READ 0x03
95 #define FRAM_WRITE 0x02
96 #define FRAM_MEM_SIZE 0x80000
97  // End group macro
100 // --------------------------------------------------------------- PUBLIC TYPES
109 typedef struct
110 {
111  // Output pins
112 
113  digital_out_t cs;
114  digital_out_t wp;
115  digital_out_t hld;
116 
117  // Modules
118 
119  spi_master_t spi;
120  pin_name_t chip_select;
121 
122 } fram2_t;
123 
127 typedef struct
128 {
129  // Communication gpio pins
130 
131  pin_name_t miso;
132  pin_name_t mosi;
133  pin_name_t sck;
134  pin_name_t cs;
135 
136  // Additional gpio pins
137 
138  pin_name_t wp;
139  pin_name_t hld;
140 
141  // static variable
142 
143  uint32_t spi_speed;
144  spi_master_mode_t spi_mode;
145  spi_master_chip_select_polarity_t cs_polarity;
146 
147 } fram2_cfg_t;
148  // End types group
150 
151 // ----------------------------------------------- PUBLIC FUNCTION DECLARATIONS
152 
157 #ifdef __cplusplus
158 extern "C"{
159 #endif
160 
170 
180 
190 
202 void fram2_generic_transfer ( fram2_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len );
203 
212 
221 
231 uint8_t fram2_read_status ( fram2_t *ctx );
232 
241 void fram2_write_status ( fram2_t *ctx, uint8_t value );
242 
254 void fram2_read ( fram2_t *ctx, uint32_t address, uint8_t *buffer, uint8_t count );
255 
266 void fram2_write( fram2_t *ctx, uint32_t address, uint8_t *buffer, uint8_t counter );
267 
268 
269 #ifdef __cplusplus
270 }
271 #endif
272 #endif // _FRAM2_H_
273  // End public_function group
276 
277 // ------------------------------------------------------------------------- END
fram2_t::cs
digital_out_t cs
Definition: fram2.h:113
fram2_read
void fram2_read(fram2_t *ctx, uint32_t address, uint8_t *buffer, uint8_t count)
Read from FRAM Click memory.
fram2_cfg_t::wp
pin_name_t wp
Definition: fram2.h:138
FRAM2_RETVAL
#define FRAM2_RETVAL
Definition: fram2.h:80
fram2_cfg_t::mosi
pin_name_t mosi
Definition: fram2.h:132
fram2_write
void fram2_write(fram2_t *ctx, uint32_t address, uint8_t *buffer, uint8_t counter)
Write to FRAM Click memory.
fram2_write_disable
void fram2_write_disable(fram2_t *ctx)
Disable write operation.
fram2_cfg_t
Click configuration structure definition.
Definition: fram2.h:128
fram2_default_cfg
void fram2_default_cfg(fram2_t *ctx)
Click Default Configuration function.
fram2_write_enable
void fram2_write_enable(fram2_t *ctx)
Enable write operation.
fram2_cfg_t::sck
pin_name_t sck
Definition: fram2.h:133
fram2_cfg_t::hld
pin_name_t hld
Definition: fram2.h:139
fram2_t::wp
digital_out_t wp
Definition: fram2.h:114
fram2_generic_transfer
void fram2_generic_transfer(fram2_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
Generic transfer function.
fram2_t
Click ctx object definition.
Definition: fram2.h:110
fram2_read_status
uint8_t fram2_read_status(fram2_t *ctx)
Read Fram Click status.
fram2_t::spi
spi_master_t spi
Definition: fram2.h:119
fram2_cfg_setup
void fram2_cfg_setup(fram2_cfg_t *cfg)
Config Object Initialization function.
fram2_cfg_t::miso
pin_name_t miso
Definition: fram2.h:131
fram2_write_status
void fram2_write_status(fram2_t *ctx, uint8_t value)
Write Fram Click status.
fram2_cfg_t::cs_polarity
spi_master_chip_select_polarity_t cs_polarity
Definition: fram2.h:145
fram2_init
FRAM2_RETVAL fram2_init(fram2_t *ctx, fram2_cfg_t *cfg)
Initialization function.
fram2_cfg_t::spi_speed
uint32_t spi_speed
Definition: fram2.h:143
fram2_t::hld
digital_out_t hld
Definition: fram2.h:115
fram2_cfg_t::cs
pin_name_t cs
Definition: fram2.h:134
fram2_t::chip_select
pin_name_t chip_select
Definition: fram2.h:120
fram2_cfg_t::spi_mode
spi_master_mode_t spi_mode
Definition: fram2.h:144