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tbarnes98
2022-02-18 10:21:19 -06:00
parent a7303fe5f9
commit debbd37501
26 changed files with 1906 additions and 690 deletions
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36
labW7barnestr/.cproject
View File

@@ -21,7 +21,7 @@
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid.1559356336" name="CPU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid" useByScannerDiscovery="false" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid.1358616474" name="Core" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid" useByScannerDiscovery="false" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.970503831" name="Floating-point unit" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu" useByScannerDiscovery="true" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.value.fpv4-sp-d16" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.1854009166" name="Floating-point ABI" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi" useByScannerDiscovery="true" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.value.hard" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.1854009166" name="Floating-point ABI" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi" useByScannerDiscovery="true" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.value.soft" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.564833902" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="genericBoard" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.378987310" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Debug || true || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || STM32F446RETx || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../Inc || || || STM32 | STM32F4 | STM32F446RETx || || Src | Startup | Inc || || || ${workspace_loc:/${ProjName}/STM32F446RETX_FLASH.ld} || true || NonSecure || || || || None || " valueType="string"/>
<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform.2081643032" isAbstract="false" osList="all" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform"/>
@@ -94,38 +94,38 @@
<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.760972878" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release">
<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.760972878." name="/" resourcePath="">
<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release.1814299168" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.1214507914" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" value="STM32F446RETx" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid.619349164" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid.1821088753" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.744244429" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.value.fpv4-sp-d16" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.290129876" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.value.hard" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.255454432" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" value="genericBoard" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.813252655" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Release || false || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || STM32F446RETx || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../Inc || || || STM32 | STM32F4 | STM32F446RETx || || Src | Startup | Inc || || || ${workspace_loc:/${ProjName}/STM32F446RETX_FLASH.ld} || true || NonSecure || || || || None || " valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu.1214507914" name="MCU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_mcu" useByScannerDiscovery="true" value="STM32F446RETx" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid.619349164" name="CPU" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_cpuid" useByScannerDiscovery="false" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid.1821088753" name="Core" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_coreid" useByScannerDiscovery="false" value="0" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.744244429" name="Floating-point unit" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu" useByScannerDiscovery="true" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.fpu.value.fpv4-sp-d16" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.290129876" name="Floating-point ABI" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi" useByScannerDiscovery="true" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.floatabi.value.hard" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board.255454432" name="Board" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.target_board" useByScannerDiscovery="false" value="genericBoard" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults.813252655" name="Defaults" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.option.defaults" useByScannerDiscovery="false" value="com.st.stm32cube.ide.common.services.build.inputs.revA.1.0.5 || Release || false || Executable || com.st.stm32cube.ide.mcu.gnu.managedbuild.option.toolchain.value.workspace || STM32F446RETx || 0 || 0 || arm-none-eabi- || ${gnu_tools_for_stm32_compiler_path} || ../Inc || || || STM32 | STM32F4 | STM32F446RETx || || Src | Startup | Inc || || || ${workspace_loc:/${ProjName}/STM32F446RETX_FLASH.ld} || true || NonSecure || || || || None || " valueType="string"/>
<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform.1796861779" isAbstract="false" osList="all" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.targetplatform"/>
<builder buildPath="${workspace_loc:/labW7barnestr}/Release" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder.1033629850" managedBuildOn="true" name="Gnu Make Builder.Release" parallelBuildOn="true" parallelizationNumber="optimal" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder"/>
<builder buildPath="${workspace_loc:/labW7barnestr}/Release" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder.1033629850" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.builder"/>
<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.1959869214" name="MCU GCC Assembler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel.1891762137" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel.value.g0" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel.1891762137" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.option.debuglevel.value.g0" valueType="enumerated"/>
<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input.1253284509" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.assembler.input"/>
</tool>
<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.2035266693" name="MCU GCC Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.1983450090" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1163802819" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.os" valueType="enumerated"/>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.29285622" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" valueType="definedSymbols">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.1983450090" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.1163802819" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.optimization.level.value.os" valueType="enumerated"/>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols.29285622" name="Define symbols (-D)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.definedsymbols" useByScannerDiscovery="false" valueType="definedSymbols">
<listOptionValue builtIn="false" value="STM32"/>
<listOptionValue builtIn="false" value="STM32F4"/>
<listOptionValue builtIn="false" value="STM32F446RETx"/>
</option>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths.1749042168" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths" valueType="includePath">
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths.1749042168" name="Include paths (-I)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths" useByScannerDiscovery="false" valueType="includePath">
<listOptionValue builtIn="false" value="../Inc"/>
</option>
<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c.209273810" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.input.c"/>
</tool>
<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.1333789798" name="MCU G++ Compiler" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.384560375" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.53447144" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.value.os" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.384560375" name="Debug level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.debuglevel.value.g0" valueType="enumerated"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.53447144" name="Optimization level" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.cpp.compiler.option.optimization.level.value.os" valueType="enumerated"/>
</tool>
<tool id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.920029171" name="MCU GCC Linker" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker">
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script.119789511" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script" value="${workspace_loc:/${ProjName}/STM32F446RETX_FLASH.ld}" valueType="string"/>
<option id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script.119789511" name="Linker Script (-T)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.option.script" value="${workspace_loc:/${ProjName}/STM32F446RETX_FLASH.ld}" valueType="string"/>
<inputType id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input.262025153" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.linker.input">
<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
<additionalInput kind="additionalinput" paths="$(LIBS)"/>
@@ -149,6 +149,7 @@
</sourceEntries>
</configuration>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
</cconfiguration>
</storageModule>
<storageModule moduleId="org.eclipse.cdt.core.pathentry"/>
@@ -166,4 +167,5 @@
<autodiscovery enabled="false" problemReportingEnabled="true" selectedProfileId=""/>
</scannerConfigBuildInfo>
</storageModule>
<storageModule moduleId="refreshScope"/>
</cproject>

29
labW7barnestr/Src/main.c
View File

@@ -1,29 +1,16 @@
/**
******************************************************************************
* @file : main.c
* @author : Auto-generated by STM32CubeIDE
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2022 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
* @file main.c
* @author Trevor Barnes
* @brief
* @version 0.1
* @date 2022-01-28
*
* @copyright Copyright (c) 2022
*
*/
#include <stdint.h>
#if !defined(__SOFT_FP__) && defined(__ARM_FP)
#warning "FPU is not initialized, but the project is compiling for an FPU. Please initialize the FPU before use."
#endif
int main(void)
{
/* Loop forever */
for(;;);
}

155
labW7barnestr/Src/syscalls.c
View File

@@ -1,155 +0,0 @@
/**
******************************************************************************
* @file syscalls.c
* @author Auto-generated by STM32CubeIDE
* @brief STM32CubeIDE Minimal System calls file
*
* For more information about which c-functions
* need which of these lowlevel functions
* please consult the Newlib libc-manual
******************************************************************************
* @attention
*
* Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes */
#include <sys/stat.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <sys/times.h>
/* Variables */
extern int __io_putchar(int ch) __attribute__((weak));
extern int __io_getchar(void) __attribute__((weak));
char *__env[1] = { 0 };
char **environ = __env;
/* Functions */
void initialise_monitor_handles()
{
}
int _getpid(void)
{
return 1;
}
int _kill(int pid, int sig)
{
errno = EINVAL;
return -1;
}
void _exit (int status)
{
_kill(status, -1);
while (1) {} /* Make sure we hang here */
}
__attribute__((weak)) int _read(int file, char *ptr, int len)
{
int DataIdx;
for (DataIdx = 0; DataIdx < len; DataIdx++)
{
*ptr++ = __io_getchar();
}
return len;
}
__attribute__((weak)) int _write(int file, char *ptr, int len)
{
int DataIdx;
for (DataIdx = 0; DataIdx < len; DataIdx++)
{
__io_putchar(*ptr++);
}
return len;
}
int _close(int file)
{
return -1;
}
int _fstat(int file, struct stat *st)
{
st->st_mode = S_IFCHR;
return 0;
}
int _isatty(int file)
{
return 1;
}
int _lseek(int file, int ptr, int dir)
{
return 0;
}
int _open(char *path, int flags, ...)
{
/* Pretend like we always fail */
return -1;
}
int _wait(int *status)
{
errno = ECHILD;
return -1;
}
int _unlink(char *name)
{
errno = ENOENT;
return -1;
}
int _times(struct tms *buf)
{
return -1;
}
int _stat(char *file, struct stat *st)
{
st->st_mode = S_IFCHR;
return 0;
}
int _link(char *old, char *new)
{
errno = EMLINK;
return -1;
}
int _fork(void)
{
errno = EAGAIN;
return -1;
}
int _execve(char *name, char **argv, char **env)
{
errno = ENOMEM;
return -1;
}

79
labW7barnestr/Src/sysmem.c
View File

@@ -1,79 +0,0 @@
/**
******************************************************************************
* @file sysmem.c
* @author Generated by STM32CubeIDE
* @brief STM32CubeIDE System Memory calls file
*
* For more information about which C functions
* need which of these lowlevel functions
* please consult the newlib libc manual
******************************************************************************
* @attention
*
* Copyright (c) 2021 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes */
#include <errno.h>
#include <stdint.h>
/**
* Pointer to the current high watermark of the heap usage
*/
static uint8_t *__sbrk_heap_end = NULL;
/**
* @brief _sbrk() allocates memory to the newlib heap and is used by malloc
* and others from the C library
*
* @verbatim
* ############################################################################
* # .data # .bss # newlib heap # MSP stack #
* # # # # Reserved by _Min_Stack_Size #
* ############################################################################
* ^-- RAM start ^-- _end _estack, RAM end --^
* @endverbatim
*
* This implementation starts allocating at the '_end' linker symbol
* The '_Min_Stack_Size' linker symbol reserves a memory for the MSP stack
* The implementation considers '_estack' linker symbol to be RAM end
* NOTE: If the MSP stack, at any point during execution, grows larger than the
* reserved size, please increase the '_Min_Stack_Size'.
*
* @param incr Memory size
* @return Pointer to allocated memory
*/
void *_sbrk(ptrdiff_t incr)
{
extern uint8_t _end; /* Symbol defined in the linker script */
extern uint8_t _estack; /* Symbol defined in the linker script */
extern uint32_t _Min_Stack_Size; /* Symbol defined in the linker script */
const uint32_t stack_limit = (uint32_t)&_estack - (uint32_t)&_Min_Stack_Size;
const uint8_t *max_heap = (uint8_t *)stack_limit;
uint8_t *prev_heap_end;
/* Initialize heap end at first call */
if (NULL == __sbrk_heap_end)
{
__sbrk_heap_end = &_end;
}
/* Protect heap from growing into the reserved MSP stack */
if (__sbrk_heap_end + incr > max_heap)
{
errno = ENOMEM;
return (void *)-1;
}
prev_heap_end = __sbrk_heap_end;
__sbrk_heap_end += incr;
return (void *)prev_heap_end;
}