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-rw-r--r--bsp/stm32f40x/drivers/board.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/bsp/stm32f40x/drivers/board.h b/bsp/stm32f40x/drivers/board.h
index 97b506c146..7f362503b0 100644
--- a/bsp/stm32f40x/drivers/board.h
+++ b/bsp/stm32f40x/drivers/board.h
@@ -37,8 +37,14 @@
// <o> Internal SRAM memory size[Kbytes] <8-64>
// <i>Default: 64
+#ifdef __ICCARM__
+// Use *.icf ram symbal, to avoid hardcode.
+extern char __ICFEDIT_region_RAM_end__;
+#define STM32_SRAM_END &__ICFEDIT_region_RAM_end__
+#else
#define STM32_SRAM_SIZE 128
#define STM32_SRAM_END (0x20000000 + STM32_SRAM_SIZE * 1024)
+#endif
// <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
// <i>Default: 1