Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_Freescale/TARGET_KL27Z/TOOLCHAIN_ARM_STD/sys.cpp@121:7f86b4238bec, 2016-05-03 (annotated)

Committer:
mbed_official
Date:
Tue May 03 00:15:16 2016 +0100
Revision:
121:7f86b4238bec
Synchronized with git revision 9cef243de23875778f461bbe9a8c1bc47e65212b



Full URL: https://github.com/mbedmicro/mbed/commit/9cef243de23875778f461bbe9a8c1bc47e65212b/



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UserRevisionLine numberNew contents of line
mbed_official 121:7f86b4238bec 1 /* mbed Microcontroller Library - stackheap
mbed_official 121:7f86b4238bec 2 * Copyright (C) 2009-2011 ARM Limited. All rights reserved.
mbed_official 121:7f86b4238bec 3 *
mbed_official 121:7f86b4238bec 4 * Setup a fixed single stack/heap memory model,
mbed_official 121:7f86b4238bec 5 * between the top of the RW/ZI region and the stackpointer
mbed_official 121:7f86b4238bec 6 */
mbed_official 121:7f86b4238bec 7
mbed_official 121:7f86b4238bec 8 #ifdef __cplusplus
mbed_official 121:7f86b4238bec 9 extern "C" {
mbed_official 121:7f86b4238bec 10 #endif
mbed_official 121:7f86b4238bec 11
mbed_official 121:7f86b4238bec 12 #include <rt_misc.h>
mbed_official 121:7f86b4238bec 13 #include <stdint.h>
mbed_official 121:7f86b4238bec 14
mbed_official 121:7f86b4238bec 15 extern char Image$$RW_IRAM1$$ZI$$Limit[];
mbed_official 121:7f86b4238bec 16
mbed_official 121:7f86b4238bec 17 extern __value_in_regs struct __initial_stackheap __user_setup_stackheap(uint32_t R0, uint32_t R1, uint32_t R2, uint32_t R3) {
mbed_official 121:7f86b4238bec 18 uint32_t zi_limit = (uint32_t)Image$$RW_IRAM1$$ZI$$Limit;
mbed_official 121:7f86b4238bec 19 uint32_t sp_limit = __current_sp();
mbed_official 121:7f86b4238bec 20
mbed_official 121:7f86b4238bec 21 zi_limit = (zi_limit + 7) & ~0x7; // ensure zi_limit is 8-byte aligned
mbed_official 121:7f86b4238bec 22
mbed_official 121:7f86b4238bec 23 struct __initial_stackheap r;
mbed_official 121:7f86b4238bec 24 r.heap_base = zi_limit;
mbed_official 121:7f86b4238bec 25 r.heap_limit = sp_limit;
mbed_official 121:7f86b4238bec 26 return r;
mbed_official 121:7f86b4238bec 27 }
mbed_official 121:7f86b4238bec 28
mbed_official 121:7f86b4238bec 29 #ifdef __cplusplus
mbed_official 121:7f86b4238bec 30 }
mbed_official 121:7f86b4238bec 31 #endif