MPLAB PIC32MZ-EF - Adds an assert to catch register overflow (#1265)

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 jobs:
   formatting:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4.1.1
       - name: Check Formatting of FreeRTOS-Kernel Files

.github/workflows/formatting.yml

@@ -16,10 +16,11 @@ jobs:
     if: ${{ github.event.issue.pull_request &&
         ( ( github.event.comment.body == '/bot run uncrustify' ) ||
           ( github.event.comment.body == '/bot run formatting' ) ) }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - name: Apply Formatting Fix
       id: check-formatting
       uses: FreeRTOS/CI-CD-Github-Actions/formatting-bot@main
       with:
         exclude-dirs: portable
+

.github/workflows/kernel-checks.yml

@@ -5,7 +5,7 @@ on: [push, pull_request]
 jobs:
   kernel-checker:
     name: FreeRTOS Kernel Header Checks
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
       # Install python 3
       - name: Tool Setup

.github/workflows/unit-tests.yml

@@ -3,7 +3,7 @@ on: [push, pull_request]
 
 jobs:
   run:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     steps:
     - name: Checkout Parent Repository
       uses: actions/checkout@v4.1.1

examples/template_configuration/FreeRTOSConfig.h

@@ -415,13 +415,16 @@
  * number of the failing assert (for example, "vAssertCalled( __FILE__, __LINE__
  * )" or it can simple disable interrupts and sit in a loop to halt all
  * execution on the failing line for viewing in a debugger. */
+
+/* *INDENT-OFF* */
 #define configASSERT( x )         \
     if( ( x ) == 0 )              \
     {                             \
         taskDISABLE_INTERRUPTS(); \
         for( ; ; )                \
         ;                         \
     }
+/* *INDENT-ON* */
 
 /******************************************************************************/
 /* FreeRTOS MPU specific definitions. *****************************************/

include/croutine.h

@@ -246,7 +246,10 @@ void vCoRoutineSchedule( void );
  * \defgroup crSTART crSTART
  * \ingroup Tasks
  */
+
+/* *INDENT-OFF* */
 #define crEND()    }
+/* *INDENT-ON* */
 
 /*
  * These macros are intended for internal use by the co-routine implementation

portable/MPLAB/PIC32MZ/port.c

@@ -234,6 +234,11 @@ __attribute__(( weak )) void vApplicationSetupTickTimerInterrupt( void )
 {
 const uint32_t ulCompareMatch = ( (configPERIPHERAL_CLOCK_HZ / portTIMER_PRESCALE) / configTICK_RATE_HZ ) - 1UL;
 
+    /* PR1 is 16-bit. Ensure that the configPERIPHERAL_CLOCK_HZ and
+     * configTICK_RATE_HZ are defined such that ulCompareMatch value would fit
+     * in 16-bits. */
+    configASSERT( ( ulCompareMatch & 0xFFFF0000 ) == 0 );
+
     T1CON = 0x0000;
     T1CONbits.TCKPS = portPRESCALE_BITS;
     PR1 = ulCompareMatch;