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 void mram_write_status_reg(mram_t *ctx, uint8_t transfer_data)
Write status reg.
uint8_t mram_enable_write(mram_t *ctx)
Enable write.
pin_name_t miso
Definition: mram.h:124
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 chip_select
Definition: mram.h:113
pin_name_t sck
Definition: mram.h:126
spi_master_chip_select_polarity_t cs_polarity
Definition: mram.h:138
digital_out_t hld
Definition: mram.h:108
void mram_read_data_bytes(mram_t *ctx, const uint16_t address, uint8_t *buffer, const uint16_t n_bytes)
Read n byte data.
pin_name_t cs
Definition: mram.h:127
uint8_t spi_mode
Definition: mram.h:137
digital_out_t wp
Definition: mram.h:107
uint8_t mram_disable_write(mram_t *ctx)
Disable write.
spi_master_t spi
Definition: mram.h:112
MRAM_RETVAL mram_init(mram_t *ctx, mram_cfg_t *cfg)
Initialization function.
void mram_default_cfg(mram_t *ctx)
Click Default Configuration function.
void mram_enable_write_protect(mram_t *ctx, uint8_t state)
Enable write protection.
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.
uint8_t mram_read_status_reg(mram_t *ctx)
Read status reg.
#define MRAM_RETVAL
Definition: mram.h:67
uint32_t spi_speed
Definition: mram.h:136
pin_name_t mosi
Definition: mram.h:125
digital_out_t cs
Definition: mram.h:109
void mram_cfg_setup(mram_cfg_t *cfg)
Config Object Initialization function.
Click configuration structure definition.
Definition: mram.h:120
void mram_enable_hold_mode(mram_t *ctx, uint8_t state)
Enable hold mode.
pin_name_t wp
Definition: mram.h:131
uint8_t mram_check_status_bit(mram_t *ctx, uint8_t status_bit)
Check status bit.
pin_name_t hld
Definition: mram.h:132
void mram_wake_up_mode(mram_t *ctx)
Wake up.
Click ctx object definition.
Definition: mram.h:103
void mram_enter_sleep_mode(mram_t *ctx)
Sleep mode.