Добавлена директория бутлоадера

controller/fw/embed/bootloader/flash.cpp

@@ -0,0 +1,88 @@
+#include "flash.h"
+
+void flash_unlock(){
+
+    // Check if flash is locked
+    if(!(FLASH->CR & FLASH_CR_LOCK)) {
+        return; // Already unlocked
+    }
+
+    // Write flash key sequence to unlock
+    FLASH->KEYR = 0x45670123;  // First key
+    FLASH->KEYR = 0xCDEF89AB;  // Second key
+
+}
+
+void flash_lock() {
+    if(FLASH->CR & FLASH_CR_LOCK) {
+        return; // Already locked
+    }
+    FLASH->CR |= FLASH_CR_LOCK; // Lock flash memory
+}
+
+void erase_sector(uint8_t sector){
+    
+    // Wait if flash is busy
+    while(FLASH_BUSY);
+
+    // Check if flash is locked and unlock if needed
+    if(FLASH->CR & FLASH_CR_LOCK) {
+        flash_unlock();
+    }
+
+    // Set sector erase bit and sector number
+    FLASH->CR |= FLASH_CR_SER;
+    FLASH->CR &= ~FLASH_CR_SNB;
+    FLASH->CR |= (sector << FLASH_CR_SNB_Pos) & FLASH_CR_SNB_Msk;
+
+    // Start erase
+    FLASH->CR |= FLASH_CR_STRT;
+
+    // Wait for erase to complete
+    while(FLASH_BUSY);
+    
+    // Clear sector erase bit
+    FLASH->CR &= ~FLASH_CR_SER;
+
+}
+
+void flash_program_word(uint32_t address,uint32_t data,uint32_t byte_len){
+
+    // Wait if flash is busy
+    while(FLASH_BUSY);
+    // Check if flash is locked and unlock if needed
+    if(FLASH->CR & FLASH_CR_LOCK) {
+        flash_unlock();
+    }
+
+    // Set program bit 32bit programm size and  Write data to address
+    if(byte_len == 1) {
+        FLASH_8BYTE;
+        FLASH->CR |= FLASH_CR_PG;
+        *(volatile uint8_t*)address = (uint8_t)data;
+    } else {
+        FLASH_32BYTE;
+        FLASH->CR |= FLASH_CR_PG;
+        *(volatile uint32_t*)address = data;
+    }
+
+    // Wait for programming to complete
+    while(FLASH_BUSY);
+
+    // Clear program bit
+    FLASH->CR &= ~FLASH_CR_PG;
+
+}
+
+uint8_t flash_read_word(uint32_t address){
+   
+    // Check if address is valid
+    if(address < FLASH_BASE || address > FLASH_END) {
+        return 0;
+    }
+
+    // Read byte from flash memory
+    return *((volatile uint8_t*)address);
+
+}
+    // Wait if flash