flash r/w

targets/stm32l442/src/flash.h

@@ -0,0 +1,15 @@
+#ifndef _FLASH_H_H
+#define _FLASH_H_H
+
+void flash_erase_page(uint8_t page);
+void flash_write_dword(uint32_t addr, uint64_t data);
+void flash_write(uint32_t addr, uint8_t * data, size_t sz);
+
+#define FLASH_PAGE_SIZE     2048
+
+#define flash_addr(page)    (0x08000000 + ((page)*FLASH_PAGE_SIZE))
+
+#define FLASH_PAGE_START    0
+#define FLASH_PAGE_END      127
+
+#endif