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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.12
mikroSDK Library: 2.0.0.0
Category: MRAM
Downloaded: 142 times
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License: MIT license
MRAM 2 Click is a compact add-on board for applications that must store and retrieve data and programs quickly using a small number of pins.
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DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
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4391_mram_2_click.zip [240.22KB] | 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 2 Click is a compact add-on board for applications that must store and retrieve data and programs quickly using a small number of pins.
We provide a library for the Mram2 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 Mram2 Click driver.
mram2_cfg_setup
Config Object Initialization function.
void mram2_cfg_setup ( mram2_cfg_t *cfg );
mram2_init
Initialization function.
err_t mram2_init ( mram2_t *ctx, mram2_cfg_t *cfg );
mram2_wren
Write Enable function
void mram2_wren ( mram2_t *ctx );
mram2_read
Read Data Bytes function
void mram2_read ( mram2_t *ctx, uint32_t mem_adr, uint8_t *rd_data, uint8_t n_bytes );
mram2_write
Write Data Bytes function
void mram2_write ( mram2_t *ctx, uint32_t mem_adr, uint8_t *wr_data, uint8_t n_bytes );
This example demonstrates the use of MRAM 2 Click board.
The demo application is composed of two sections :
Initializes the driver, sets the write protect and disables the hold signal.
void application_init ( void )
{
log_cfg_t log_cfg;
mram2_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.
mram2_cfg_setup( &cfg );
MRAM2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
mram2_init( &mram2, &cfg );
log_printf( &logger, "------------------- \r\n" );
log_printf( &logger, " MRAM 2 Click \r\n" );
log_printf( &logger, "------------------- \r\n" );
mram2_write_protect( &mram2, MRAM2_WP_ENABLE );
mram2_hold( &mram2, MRAM2_HLD_DISABLE );
log_printf( &logger, " Initialized \r\n" );
log_printf( &logger, "------------------- \r\n" );
Delay_ms ( 100 );
}
Writes "MikroE" into the first 6 memory locations, and then reads it back and displays it to the USB UART approximately every 5 seconds.
void application_task ( void )
{
mram2_wren( &mram2 );
log_printf( &logger, "Write enabled!\r\n" );
Delay_ms ( 100 );
log_printf( &logger, "Writing \"%s\" to memory...\r\n", val_in );
mram2_write( &mram2, 0x000000, &val_in[ 0 ], 6 );
Delay_ms ( 100 );
mram2_wrdi ( &mram2 );
log_printf( &logger, "Write disabled!\r\n" );
Delay_ms ( 100 );
mram2_read ( &mram2, 0x000000, &val_out[ 0 ], 6 );
log_printf( &logger, "Read data : %s\r\n", val_out );
log_printf( &logger, "-------------------\r\n" );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
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.