bool stm32_flash_erasepage(uint32_t page)
uint32_t stm32_flash_getpagesize(uint32_t page)
uint32_t stm32_flash_getpageaddr(uint32_t page)
int32_t stm32_flash_write(uint32_t addr, const void *buf, uint32_t count)
uint32_t stm32_flash_getnumpages(void)