![]() ![]() The NVStore API stores data by keys in the internal flash and keeps chip's wear out (due to repeated erase and write to the same memory location) as low as possible. Printf("data_read after writing to flash = %d\r\n", data_read) īut why to bother with Flash IAP when MBED devised also a better API. Printf("data_read before writing to flash = %d\r\n", data_read) įlash.program(page_buffer, addr, page_size) įlash.read(page_buffer, addr, page_size) Printf("data_write = %d\r\n", data_write) Printf("sector_size = 0x%.8x\r\n", sector_size) Printf("page_size = 0x%.8x\r\n", page_size) Printf("flash_end = 0x%.8x\r\n", flash_end) Printf("flash_size = 0x%.8x\r\n", flash_size) Printf("flash_start = 0x%.8x\r\n", flash_start) Based on high-performance Arm Cortex -M0 32. Advanced power-saving microcontrollers based on the Arm Cortex-M33. Implements a high-performance Arm Cortex -M0 32-bit RISC core operating at up to 48MHz frequency. Uint32_t addr = flash_end - sector_size 1 Extends the STM32 high-performance portfolio and offers enhanced performance and power efficiency. Uint32_t sector_size = flash.get_sector_size(flash_end) Int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size) Ĭonst uint32_t flash_start = flash.get_flash_start() Ĭonst uint32_t flash_size = flash.get_flash_size() Ĭonst uint32_t flash_end = flash_start flash_size - 1 Ĭonst uint32_t page_size = flash.get_page_size() * This function does not do any check for address alignments or if size is aligned to a page size. * The pages should not cross multiple sectors. ** Program pages starting at defined address Int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size) * This function has a WEAK implementation using memcpy for backwards compatibility. ![]() ** Read data starting at defined address Int32_t flash_erase_sector(flash_t *obj, uint32_t address) This function does not do any check for address alignments * The address should be at sector boundary. ** Erase one sector starting at defined address ** Uninitialize the flash peripheral and the flash_t object Include the mbed library with this snippet int32_t flash_init(flash_t *obj) ![]()
0 Comments
Leave a Reply. |