Jim Paris
Fork of mbed-dev with the NUCLEO-L152RE target modified for use with the STM32L151RB (128 kB flash, 16 kB RAM).
Fork of
mbed-dev
by 
mbed official
To use this, remove the default "mbed" library and import this one instead. Target must be NUCLEO_L152RE.
Revision 6:a09c7fe99a74, committed 2015-10-06
- Comitter:
- Jim Paris
- Date:
- Tue Oct 06 17:44:28 2015 -0400
- Parent:
- 5:ac9f6c2c45e8
- Child:
- 7:3f555e981bba
- Child:
- 15:5f5024781014
- Child:
- 19:4dfcd92ef21e
- Commit message:
- Adjust flash and RAM sizes for STM32L152RB
Changed in this revision
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_MICRO/startup_stm32l152xe.S Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_MICRO/startup_stm32l152xe.S Tue Oct 06 17:44:28 2015 -0400
@@ -39,7 +39,7 @@
EXPORT __initial_sp
Stack_Mem SPACE Stack_Size
-__initial_sp EQU 0x20014000 ; Top of RAM (80 KB)
+__initial_sp EQU 0x20004000 ; Top of RAM (16 KB)
; <h> Heap Configuration
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_MICRO/stm32l152re.sct Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_MICRO/stm32l152re.sct Tue Oct 06 17:44:28 2015 -0400
@@ -27,17 +27,17 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; STM32L152RE: 512KB FLASH + 80KB SRAM
-LR_IROM1 0x08000000 0x80000 { ; load region size_region
+; STM32L152RB: 128KB FLASH + 16KB SRAM
+LR_IROM1 0x08000000 0x20000 { ; load region size_region
- ER_IROM1 0x08000000 0x80000 { ; load address = execution address
+ ER_IROM1 0x08000000 0x20000 { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
; 73 vectors = 292 bytes (0x124) to be reserved in RAM
- RW_IRAM1 (0x20000000+0x124) (0x14000-0x124) { ; RW data
+ RW_IRAM1 (0x20000000+0x124) (0x04000-0x124) { ; RW data
.ANY (+RW +ZI)
}
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_STD/startup_stm32l152xe.S Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_STD/startup_stm32l152xe.S Tue Oct 06 17:44:28 2015 -0400
@@ -27,7 +27,7 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-__initial_sp EQU 0x20014000 ; Top of RAM (80 KB)
+__initial_sp EQU 0x20004000 ; Top of RAM (16 KB)
PRESERVE8
THUMB
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_STD/stm32l152re.sct Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_ARM_STD/stm32l152re.sct Tue Oct 06 17:44:28 2015 -0400
@@ -27,17 +27,17 @@
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-; STM32L152RE: 512KB FLASH + 80KB SRAM
-LR_IROM1 0x08000000 0x80000 { ; load region size_region
+; STM32L152RE: 128KB FLASH + 16KB SRAM
+LR_IROM1 0x08000000 0x20000 { ; load region size_region
- ER_IROM1 0x08000000 0x80000 { ; load address = execution address
+ ER_IROM1 0x08000000 0x20000 { ; load address = execution address
*.o (RESET, +First)
*(InRoot$$Sections)
.ANY (+RO)
}
; 73 vectors = 292 bytes (0x124) to be reserved in RAM
- RW_IRAM1 (0x20000000+0x124) (0x14000-0x124) { ; RW data
+ RW_IRAM1 (0x20000000+0x124) (0x04000-0x124) { ; RW data
.ANY (+RW +ZI)
}
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_GCC_ARM/STM32L152XE.ld Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_GCC_ARM/STM32L152XE.ld Tue Oct 06 17:44:28 2015 -0400
@@ -1,11 +1,11 @@
/* Linker script to configure memory regions. */
MEMORY
{
- /* 512KB FLASH, 80KB RAM, Reserve up till 0x13C. There are 0x73 vectors = 292
+ /* 128KB FLASH, 16KB RAM, Reserve up till 0x13C. There are 0x73 vectors = 292
* bytes (0x124) in RAM. But all GCC scripts seem to require BootRAM @0x138
*/
- FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512k
- RAM (rwx) : ORIGIN = 0x2000013C, LENGTH = 0x14000-0x13C
+ FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 128k
+ RAM (rwx) : ORIGIN = 0x2000013C, LENGTH = 0x04000-0x13C
}
/* Linker script to place sections and symbol values. Should be used together
--- a/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_IAR/stm32l152xe.icf Tue Oct 06 13:30:11 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_IAR/stm32l152xe.icf Tue Oct 06 17:44:28 2015 -0400
@@ -1,13 +1,13 @@
-/* [ROM = 64kb = 0x10000] */
+/* [ROM = 128kb = 0x20000] */
define symbol __intvec_start__ = 0x08000000;
define symbol __region_ROM_start__ = 0x08000000;
-define symbol __region_ROM_end__ = 0x0807FFFF;
+define symbol __region_ROM_end__ = 0x0801FFFF;
-/* [RAM = 80kb = 0x14000] Vector table dynamic copy: 73 vectors = 292 bytes (0x124) to be reserved in RAM */
+/* [RAM = 16kb = 0x04000] Vector table dynamic copy: 73 vectors = 292 bytes (0x124) to be reserved in RAM */
define symbol __NVIC_start__ = 0x20000000;
define symbol __NVIC_end__ = 0x20000127; /* Add 4 more bytes to be aligned on 8 bytes */
define symbol __region_RAM_start__ = 0x20000128;
-define symbol __region_RAM_end__ = 0x20013FFF;
+define symbol __region_RAM_end__ = 0x20003FFF;
/* Memory regions */
define memory mem with size = 4G;
@@ -16,8 +16,8 @@
/* Stack and Heap */
/*Heap 1/4 of ram and stack 1/8*/
-define symbol __size_cstack__ = 0x2800;
-define symbol __size_heap__ = 0x5000;
+define symbol __size_cstack__ = 0x800;
+define symbol __size_heap__ = 0x1000;
define block CSTACK with alignment = 8, size = __size_cstack__ { };
define block HEAP with alignment = 8, size = __size_heap__ { };
define block STACKHEAP with fixed order { block HEAP, block CSTACK };