mbed library sources: Modified to operate FRDM-KL25Z at 48MHz from internal 32kHz oscillator (nothing else changed).
Fork of mbed-src by
The only file that changed is: mbed-src-FLL48/targets/cmsis/TARGET_Freescale/TARGET_KL25Z/system_MKL25Z4.h
Diff: targets/cmsis/TARGET_STM/TARGET_STM32F4XX/TOOLCHAIN_ARM_STD/sys.cpp
- Revision:
- 20:4263a77256ae
- Parent:
- 13:0645d8841f51
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_STM/TARGET_STM32F4XX/TOOLCHAIN_ARM_STD/sys.cpp Tue Sep 10 15:14:19 2013 +0300 @@ -0,0 +1,31 @@ +/* mbed Microcontroller Library - stackheap + * Copyright (C) 2009-2011 ARM Limited. All rights reserved. + * + * Setup a fixed single stack/heap memory model, + * between the top of the RW/ZI region and the stackpointer + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <rt_misc.h> +#include <stdint.h> + +extern char Image$$RW_IRAM1$$ZI$$Limit[]; + +extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) { + uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit; + uint32_t sp_limit = __current_sp(); + + zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned + + struct __initial_stackheap r; + r.heap_base = zi_limit; + r.heap_limit = sp_limit; + return r; +} + +#ifdef __cplusplus +} +#endif