add mass erase menu

2024-04-17 06:22:34 +02:00 · 2024-04-17 06:22:34 +02:00 · d17bc7b3a4
parent 880916166b
commit d17bc7b3a4
1 changed files with 19 additions and 0 deletions
--- a/examples/device/hid_cdc_passkey/src/main.c
+++ b/examples/device/hid_cdc_passkey/src/main.c
@ -448,6 +448,25 @@ void cdc_task(void)
                }
              }
              break;
+            case 'E': // mass erase to restart STM32 bootloader
+              {
+
+                FLASH_OBProgramInitTypeDef ob;
+                HAL_FLASHEx_OBGetConfig(&ob);
+                if (OB_RDP_LEVEL_2 == ob.RDPLevel) {
+                  str = "\r\ncan't mass erase: device locked\r\n";
+                } else {
+                  HAL_FLASH_Unlock();
+                  FLASH_EraseInitTypeDef EraseInitStruct;
+                  EraseInitStruct.TypeErase   = FLASH_TYPEERASE_MASSERASE;
+                  uint32_t error;
+                  if (HAL_FLASHEx_Erase(&EraseInitStruct, &error) != HAL_OK) {
+                    printf("mass earse failed\r\n");
+                  }
+                  HAL_FLASH_Lock();
+                  HAL_FLASH_OB_Launch(); // just to restart
+                }
+              }
            case '\r':
            case '\n':
              break; // nothing to do