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38 #include "drv_digital_out.h"
39 #include "drv_digital_in.h"
40 #include "drv_spi_master.h"
54 #define MRAM_MAP_MIKROBUS( cfg, mikrobus ) \
55 cfg.miso = MIKROBUS( mikrobus, MIKROBUS_MISO ); \
56 cfg.mosi = MIKROBUS( mikrobus, MIKROBUS_MOSI ); \
57 cfg.sck = MIKROBUS( mikrobus, MIKROBUS_SCK ); \
58 cfg.cs = MIKROBUS( mikrobus, MIKROBUS_CS ); \
59 cfg.wp = MIKROBUS( mikrobus, MIKROBUS_RST ); \
60 cfg.hld = MIKROBUS( mikrobus, MIKROBUS_INT )
67 #define MRAM_RETVAL uint8_t
69 #define MRAM_INIT_ERROR 0xFF
76 #define MRAM_WRITE_ENABLE_BIT 0x02
77 #define MRAM_MEMORY_BLOCK_BIT0 0x04
78 #define MRAM_MEMORY_BLOCK_BIT1 0x08
79 #define MRAM_STATUS_WRITE_DISABLE_BIT 0x80
80 #define MRAM_FIRST_ADDRESS_LOCATION 0x0000
81 #define MRAM_ADDRESS_LOCATION_0 0x000F
82 #define MRAM_ADDRESS_LOCATION_1 0x00FF
83 #define MRAM_ADDRESS_LOCATION_2 0x0FFF
84 #define MRAM_LAST_ADDRESS_LOCATION 0x7FFF
85 #define MRAM_LOGIC_HIGH 0x01
86 #define MRAM_LOGIC_LOW 0x00
87 #define MRAM_NONE_PROTECTED_MEMORY 0x82
88 #define MRAM_UPPER_QUARTER_PROTECTED_MEMORY 0x86
89 #define MRAM_UPPER_HALF_PROTECTED_MEMORY 0x8A
90 #define MRAM_ALL_PROTECTED_MEMORY 0x8E
uint8_t mram_disable_write(mram_t *ctx)
Disable write.
void mram_read_data_bytes(mram_t *ctx, const uint16_t address, uint8_t *buffer, const uint16_t n_bytes)
Read n byte data.
uint8_t spi_mode
Definition: mram.h:137
digital_out_t hld
Definition: mram.h:108
pin_name_t cs
Definition: mram.h:127
pin_name_t mosi
Definition: mram.h:125
spi_master_t spi
Definition: mram.h:112
digital_out_t cs
Definition: mram.h:109
pin_name_t wp
Definition: mram.h:131
void mram_generic_transfer(mram_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
Generic transfer function.
void mram_enable_hold_mode(mram_t *ctx, uint8_t state)
Enable hold mode.
Click ctx object definition.
Definition: mram.h:103
MRAM_RETVAL mram_init(mram_t *ctx, mram_cfg_t *cfg)
Initialization function.
pin_name_t chip_select
Definition: mram.h:113
Click configuration structure definition.
Definition: mram.h:120
void mram_wake_up_mode(mram_t *ctx)
Wake up.
spi_master_chip_select_polarity_t cs_polarity
Definition: mram.h:138
void mram_write_status_reg(mram_t *ctx, uint8_t transfer_data)
Write status reg.
pin_name_t sck
Definition: mram.h:126
uint8_t mram_enable_write(mram_t *ctx)
Enable write.
void mram_cfg_setup(mram_cfg_t *cfg)
Config Object Initialization function.
pin_name_t miso
Definition: mram.h:124
void mram_enter_sleep_mode(mram_t *ctx)
Sleep mode.
#define MRAM_RETVAL
Definition: mram.h:67
void mram_write_data_bytes(mram_t *ctx, const uint16_t address, uint8_t *buffer, const uint16_t n_bytes)
Write n byte data.
pin_name_t hld
Definition: mram.h:132
digital_out_t wp
Definition: mram.h:107
void mram_default_cfg(mram_t *ctx)
Click Default Configuration function.
uint32_t spi_speed
Definition: mram.h:136
uint8_t mram_read_status_reg(mram_t *ctx)
Read status reg.
uint8_t mram_check_status_bit(mram_t *ctx, uint8_t status_bit)
Check status bit.
void mram_enable_write_protect(mram_t *ctx, uint8_t state)
Enable write protection.