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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.13
mikroSDK Library: 2.0.0.0
Category: MRAM
Downloaded: 196 times
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License: MIT license
MRAM Click features MRAM module which contains 262,144 magnetoresistive memory cells, organized into 32,768 bytes of memory. It means that MRAM Click is a memory storage device with 32KB of memory space. The used memory module can withstand an unlimited number of write cycles, it has data retention period greater than 20 years and it can read and write to random addresses with no delay.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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3349_mram_click.zip [373.76KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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MRAM Click features MRAM module which contains 262,144 magnetoresistive memory cells, organized into 32,768 bytes of memory. It means that MRAM Click is a memory storage device with 32KB of memory space.
We provide a library for the MRAM Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.
This library contains API for MRAM Click driver.
mram_cfg_setup
Config Object Initialization function.
void mram_cfg_setup ( mram_cfg_t *cfg );
mram_init
Initialization function.
err_t mram_init ( mram_t *ctx, mram_cfg_t *cfg );
mram_default_cfg
Click Default Configuration function.
void mram_default_cfg ( mram_t *ctx );
mram_write_data_bytes
Function writes n bytes of data from the buffer.
void mram_write_data_bytes ( mram_t *ctx, const uint16_t address, uint8_t *buffer, const uint16_t nBytes);
mram_read_data_bytes
Function reads n bytes of data and saves it in buffer.
void mram_read_data_bytes ( mram_t *ctx, const uint16_t address, uint8_t *buffer, const uint16_t n_bytes);
mram_enable_write_protect
Function enables or disables write protect.
void mram_enable_write_protect ( mram_t *ctx, uint8_t state);
This example writes and reads from the Mram Click and displays it on the terminal.
The demo application is composed of two sections :
Initializes Click driver.
void application_init ( void )
{
log_cfg_t log_cfg;
mram_cfg_t cfg;
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, "---- Application Init ----" );
// Click initialization.
mram_cfg_setup( &cfg );
MRAM_MAP_MIKROBUS( cfg, MIKROBUS_1 );
mram_init( &mram, &cfg );
mram_default_cfg( &mram );
}
Writes 10 bytes of buffer data in memory with start address 0x0001. Then reads 10 bytes from memory with start address 0x0001 and shows result on USB UART.
void application_task ( void )
{
uint8_t number_bytes_write;
uint8_t number_bytes_read;
uint16_t i;
uint8_t data_write[ 10 ] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
uint8_t data_read[ 20 ] = { 0 };
number_bytes_write = 10;
number_bytes_read = 10;
log_printf( &logger, " Data written!\r\n" );
mram_write_data_bytes ( &mram, 0x0001, data_write, number_bytes_write );
log_printf( &logger, " Read data:\r\n" );
mram_read_data_bytes ( &mram, 0x0001, data_read, number_bytes_read );
for ( i = 0; i < number_bytes_read; i++ )
{
log_printf( &logger, "%d ", ( uint16_t )data_read[ i ] );
}
log_printf( &logger, "\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.
Other mikroE Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.