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Questions tagged [xc32]

10 questions
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Undefined reference to standard library functions in plib

xc32 v2.41 or older working ok with plibs but the latest version of xc32 #include int main() { } generating this error : "C:\Program Files\Microchip\xc32\v4.00\bin\xc32-gcc.exe" -mprocessor=32MX664F128L -o…
voidpointer
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MIPS bne assembly instruction not executing correctly under Microchip XC32

So I have the following code compiled in an MPLABX project using XC32, the goal is to check if I need to change the context for an RTOS implementation: .extern OS_TaskRUNNING, 0x04 # Both of these are pointers in a C file .extern OS_TaskNEW,…
Christopher Theriault
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C string standard library, memset and discarded volatile keyword

I'm getting warning like this on xc32 compiler (gcc based microcontroller compiler, not open-source). modem_uart.c:66:5: warning: passing argument 1 of 'memset' discards 'volatile' qualifier from pointer target type [enabled by default] Here is…
Kamil
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How to fill unused memory with software reset instruction on SAMC21 controller in XC32 compiler?

I am using SAMC21 controller and xc32 compiler. I want to fill my all unused ROM memory with the software reset instruction. Does anyone know, what is the command line option for performing software reset from XC32 compiler. IDE - MPLABX Compiler -…
Hitesh Kumar Tiwari
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MPLAB X32 compiler and moving function to RAM causes linker error

I'm using Microchips XC32 C compiler and tools to build an executable for a SAM E70 processor. I have to create a function that is executed from RAM and not ROM/Flash because this function uses special instructions to read a unique 128 bits at the…
Chimera
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How to develop for PIC32MM without either MPLABX or XC32

While working for just one month with the MPLABX5.5 + XC32 3.01 I've already had 3 separate instances where code compiled incorrectly, causing my program to fail after either the stack or frame pointer began using an incorrect address. I would like…
Christopher Theriault
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In function `_main_entry' undefined reference to `main'

Here is my problem, I build an archive with "xc32-ar.exe" with this command line. "C:\Program Files (x86)\Microchip\xc32\v2.30\bin\xc32-ar.exe" r dist/default/production/MyApp.X.a build/default/production/source/Main.o With this lib and an other…
Mick
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Jump on specific lash memory location (example 0x2000) in SAMD21G17D controller after triggering software reset

I am writing one boot loader code and application code for SAMD21G17D controller. I want to run my application code separately for debugging (not dependent on boot loader). I have only changed starting location of application code in linker…
Hitesh Kumar Tiwari
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Coverity Static Analysis considers char or numbers as int in C

Both the LHS and RHS variables are uint8_t variable, but the issue is reported as " casting from int to unsigned char". I am not understanding how this can be an issue? The same is applicable for an 8-bit numbers All the variables listed in both…
Kanni1303
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Reserve Flash memory space with XC32

I'm writing code for an ATSAM device using MPLAB X and XC32 compiler. This device has 1Mbytes of flash memory and I need to put 200kBytes apart to be a placeholder for a configuration script (the main code will execute this script). I'm trying to do…
Gustavo Vargas
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