Mac Lobdell
/
AT45_spi_flash_example
Very simple example application for using AT45 SPI Flash
main.cpp
- Committer:
- maclobdell
- Date:
- 2017-11-14
- Revision:
- 0:cb29c01320b1
File content as of revision 0:cb29c01320b1:
#include "mbed.h" #include "AT45.h" /* Tested on FRDM-KW24D512 */ SPI spi(D11, D12, D13); AT45 spif(&spi, D10); DigitalOut myled(LED1); int main() { printf("spif test\n\r"); printf("spif size: %d bytes\n\r", spif.device_size()); printf("spif page erase size: %d bytes\n\r", spif.pagesize()); printf("spif pages: %d\n\r", spif.pages()); printf("spif block erase size: 4096 bytes\n\r"); printf("spif blocks: %d\n\r", spif.blocks()); printf("id: %d\n\r", spif.id()); int pagesize = spif.pagesize(); // Write "Hello World!" to a block char *buffer = (char*) malloc(pagesize); sprintf(buffer, "Hello World!\n"); spif.page_erase(3); spif.write_page(buffer, 3); char *buffer2 = (char*) malloc(pagesize); // Read back what was stored spif.read_page(buffer2, 3); printf("%s", buffer2); while(1) { myled = 1; wait(0.2); myled = 0; wait(0.2); } }