fix the RAM size
*
* Change Logs:
* Date Author Notes
- * 2018-11-5 SummerGift first version
- * 2019-04-09 jhb
+ * 2021-08-09 supperthomas first version
*/
#ifndef __BOARD_H__
@@ -25,12 +24,22 @@ extern "C" {
#define STM32_FLASH_SIZE (2048 * 1024)
#define STM32_FLASH_END_ADDRESS ((uint32_t)(STM32_FLASH_START_ADRESS + STM32_FLASH_SIZE))
-#define STM32_SRAM3_SIZE (384)
-#define STM32_SRAM3_START (0x20040000)
-#define STM32_SRAM3_END (STM32_SRAM3_START + STM32_SRAM3_SIZE * 1024)
+#define STM32_SRAM1_SIZE (640)
+#define STM32_SRAM1_START (0x20000000)
+#define STM32_SRAM1_END (STM32_SRAM1_START + STM32_SRAM1_SIZE * 1024)
+
+#if defined(__CC_ARM) || defined(__CLANG_ARM)
+extern int Image$$RW_IRAM1$$ZI$$Limit;
+#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
+#elif __ICCARM__
+#pragma section="CSTACK"
+#define HEAP_BEGIN (__segment_end("CSTACK"))
+#else
+extern int __bss_end;
+#define HEAP_BEGIN ((void *)&__bss_end)
+#endif
-#define HEAP_BEGIN STM32_SRAM3_START
-#define HEAP_END STM32_SRAM3_END
+#define HEAP_END STM32_SRAM1_END
void SystemClock_Config(void);
