skip FLASH_ function to reduce dependency

2024-07-10 22:58:00 +07:00
parent c1175b7013
commit e251493a16
1 changed files with 6 additions and 3 deletions
--- a/hw/bsp/ch32v20x/system_ch32v20x.c
+++ b/hw/bsp/ch32v20x/system_ch32v20x.c
@@ -111,9 +111,12 @@ void SystemInit (void)
 {
  // Enable Flash enhance read mode for full 224KB
 #if defined(CH32_FLASH_ENHANCE_READ_MODE) && CH32_FLASH_ENHANCE_READ_MODE == 1
-  FLASH_Unlock_Fast();
-  FLASH->CTLR |= (1 << 24);
-  FLASH_Lock_Fast();
+  FLASH->KEYR = 0x45670123; // FLASH_Unlock_Fast();
+  FLASH->KEYR = 0xCDEF89AB;
+
+  FLASH->CTLR |= (1 << 24); // Enhanced Read Mode
+
+  FLASH->CTLR |= (1 << 15); // FLASH_Lock_Fast();
 #endif

  RCC->CTLR |= (uint32_t)0x00000001;