mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-10-14 08:47:45 -04:00
Migrated RL78/IAR port to EWRL78v3+ (#799)
This commit is contained in:
Felipe Torrezan
GitHub
parent
1509e4f742
commit
fc9396f576
31 changed files with 11073 additions and 10542 deletions
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@ -20,7 +20,7 @@
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://aws.amazon.com/freertos
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* https://github.com/FreeRTOS
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*
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*/
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@ -58,7 +58,7 @@
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/* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
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or 0 to run the more comprehensive test and demo application. */
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#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
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#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
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/*-----------------------------------------------------------*/
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@ -71,7 +71,7 @@ extern void main_full( void );
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/*
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* This function is called from the C startup routine to setup the processor -
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* in particular the clock source.
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* in particular the CPU clock source.
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*/
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int __low_level_init(void);
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@ -82,6 +82,9 @@ void vApplicationIdleHook( void );
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
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void vApplicationTickHook( void );
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/* Prototype for the application-implemented timer for the OS tick */
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void vApplicationSetupTimerInterrupt( void );
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/*-----------------------------------------------------------*/
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/* This variable is not actually used, but provided to allow an example of how
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@ -92,115 +95,171 @@ static SemaphoreHandle_t xSemaphore = NULL;
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enabled. */
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__root __far const unsigned char OptionByte[] @ 0x00C0 =
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{
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0x6eU, 0xffU, 0xe8U, 0x85U
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0x6eU, 0xffU, 0xe8U, 0x85U
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};
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/* Security byte definition */
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__root __far const unsigned char ucSecurityCode[] @ 0x00C4 =
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{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/*-----------------------------------------------------------*/
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void main( void )
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{
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/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
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of this file. */
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#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
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{
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main_blinky();
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}
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#else
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{
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main_full();
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}
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#endif
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/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
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of this file. */
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#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
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{
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main_blinky();
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}
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#else
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{
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main_full();
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}
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#endif
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}
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/*-----------------------------------------------------------*/
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void vAnExampleISR_C_Handler( void )
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{
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/*
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* This demo does not include a functional interrupt service routine - so
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* this dummy handler (which is not actually installed) is provided as an
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* example of how an ISR that needs to cause a context switch needs to be
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* implemented. ISRs that do not cause a context switch have no special
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* requirements and can be written as per the compiler documentation.
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*
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* This C function is called from a wrapper function that is implemented
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* in assembly code. See vANExampleISR_ASM_Wrapper() in ExampleISR.s87.
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* Also see the documentation page for this demo on the FreeRTOS.org website
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* for full instructions.
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*/
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/*
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* This demo does not include a functional interrupt service routine - so
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* this dummy handler (which is not actually installed) is provided as an
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* example of how an ISR that needs to cause a context switch needs to be
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* implemented. ISRs that do not cause a context switch have no special
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* requirements and can be written as per the compiler documentation.
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*
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* This C function is called from a wrapper function that is implemented
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* in assembly code. See vAnExampleISR_ASM_Wrapper() in interrupt_vector.s.
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* Also see the documentation page for this demo on the FreeRTOS.org website
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* for full instructions.
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*/
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short sHigherPriorityTaskWoken = pdFALSE;
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/* Handler code goes here...*/
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/* Handler code goes here...*/
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/* For purposes of demonstration, assume at some point the hander calls
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xSemaphoreGiveFromISR().*/
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xSemaphoreGiveFromISR( xSemaphore, &sHigherPriorityTaskWoken );
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/* For purposes of demonstration, assume at some point the hander calls
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xSemaphoreGiveFromISR().*/
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xSemaphoreGiveFromISR( xSemaphore, &sHigherPriorityTaskWoken );
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/* If giving the semaphore unblocked a task, and the unblocked task has a
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priority higher than or equal to the currently running task, then
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sHigherPriorityTaskWoken will have been set to pdTRUE internally within the
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xSemaphoreGiveFromISR() function. Passing a pdTRUE value to
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portYIELD_FROM_ISR() will cause this interrupt to return directly to the
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higher priority unblocked task. */
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portYIELD_FROM_ISR( sHigherPriorityTaskWoken );
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/* If giving the semaphore unblocked a task, and the unblocked task has a
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priority higher than or equal to the currently running task, then
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sHigherPriorityTaskWoken will have been set to pdTRUE internally within the
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xSemaphoreGiveFromISR() function. Passing a pdTRUE value to
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portYIELD_FROM_ISR() will cause this interrupt to return directly to the
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higher priority unblocked task. */
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portYIELD_FROM_ISR( sHigherPriorityTaskWoken );
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}
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/*-----------------------------------------------------------*/
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int __low_level_init(void)
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{
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portDISABLE_INTERRUPTS();
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portDISABLE_INTERRUPTS();
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/* Set fMX */
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CMC = 0x00;
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MSTOP = 1U;
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/* Set fMX */
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CMC = 0x00;
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MSTOP = 1U;
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/* Set fMAIN */
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MCM0 = 0U;
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/* Set fMAIN */
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MCM0 = 0U;
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/* Set fSUB */
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XTSTOP = 1U;
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OSMC = 0x10;
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/* Set fSUB */
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XTSTOP = 1U;
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OSMC = 0x10;
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/* Set fCLK */
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CSS = 0U;
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/* Set fCLK */
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CSS = 0U;
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/* Set fIH */
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HIOSTOP = 0U;
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/* Set fIH */
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HIOSTOP = 0U;
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/* LED port initialization. */
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LED_INIT();
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/* Board's LED initialization. */
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LED_INIT();
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return pdTRUE;
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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void vApplicationSetupTimerInterrupt( void )
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{
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const uint16_t usClockHz = 15000UL; /* Internal clock. */
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const uint16_t usCompareMatch = ( usClockHz / configTICK_RATE_HZ ) + 1UL;
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/* Use the internal 15 kHz clock. */
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OSMC = ( uint8_t ) 0x16;
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/* The clock source for the Interval Timer peripheral used for generating
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the tick interrupt depends on the RL78 device in use. */
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#if configTICK_VECTOR == 0x38
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{
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/* Supply the interval timer clock. */
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RTCEN = ( uint8_t ) 1U;
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/* Disable INTIT interrupt. */
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ITMK = ( uint8_t ) 1;
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/* Disable ITMC operation. */
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ITMC = ( uint8_t ) 0x0000;
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/* Clear INIT interrupt. */
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ITIF = ( uint8_t ) 0;
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/* Set interval and enable interrupt operation. */
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ITMC = usCompareMatch | 0x8000U;
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/* Enable INTIT interrupt. */
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ITMK = ( uint8_t ) 0;
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}
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#elif configTICK_VECTOR == 0x3C
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{
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/* Supply the interval timer clock. */
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TMKAEN = ( uint8_t ) 1U;
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/* Disable INTIT interrupt. */
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TMKAMK = ( uint8_t ) 1;
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/* Disable ITMC operation. */
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ITMC = ( uint8_t ) 0x0000;
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/* Clear INIT interrupt. */
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TMKAIF = ( uint8_t ) 0;
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/* Set interval and enable interrupt operation. */
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ITMC = usCompareMatch | 0x8000U;
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/* Enable INTIT interrupt. */
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TMKAMK = ( uint8_t ) 0;
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}
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#else
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#error "It is necessary to configure a suitable timer interrupt for the tick."
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#endif
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}
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/*-----------------------------------------------------------*/
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void vApplicationMallocFailedHook( void )
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{
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/* Called if a call to pvPortMalloc() fails because there is insufficient
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free memory available in the FreeRTOS heap. pvPortMalloc() is called
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internally by FreeRTOS API functions that create tasks, queues, software
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timers, and semaphores. The size of the FreeRTOS heap is set by the
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configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
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taskDISABLE_INTERRUPTS();
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for( ;; );
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/* Called if a call to pvPortMalloc() fails because there is insufficient
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free memory available in the FreeRTOS heap. pvPortMalloc() is called
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internally by FreeRTOS API functions that create tasks, queues, software
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timers, and semaphores. The size of the FreeRTOS heap is set by the
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configTOTAL_HEAP_SIZE configuration constant in FreeRTOSConfig.h. */
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taskDISABLE_INTERRUPTS();
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for( ;; );
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}
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/*-----------------------------------------------------------*/
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName )
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{
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( void ) pcTaskName;
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( void ) pxTask;
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( void ) pcTaskName;
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( void ) pxTask;
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/* Run time stack overflow checking is performed if
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configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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function is called if a stack overflow is detected. */
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taskDISABLE_INTERRUPTS();
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for( ;; );
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/* Run time stack overflow checking is performed if
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configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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function is called if a stack overflow is detected. */
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taskDISABLE_INTERRUPTS();
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for( ;; );
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}
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/*-----------------------------------------------------------*/
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@ -208,17 +267,15 @@ void vApplicationIdleHook( void )
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{
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volatile size_t xFreeHeapSpace;
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/* This is just a trivial example of an idle hook. It is called on each
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cycle of the idle task. It must *NOT* attempt to block. In this case the
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idle task just queries the amount of FreeRTOS heap that remains. See the
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memory management section on the http://www.FreeRTOS.org web site for memory
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management options. If there is a lot of heap memory free then the
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configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
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RAM. */
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xFreeHeapSpace = xPortGetFreeHeapSize();
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/* This is just a trivial example of an idle hook. It is called on each
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cycle of the idle task. It must *NOT* attempt to block. In this case the
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idle task just queries the amount of FreeRTOS heap that remains. See the
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memory management section on the http://www.FreeRTOS.org web site for memory
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management options. If there is a lot of heap memory free then the
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configTOTAL_HEAP_SIZE value in FreeRTOSConfig.h can be reduced to free up
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RAM. */
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xFreeHeapSpace = xPortGetFreeHeapSize();
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/* Remove compiler warning about xFreeHeapSpace being set but never used. */
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( void ) xFreeHeapSpace;
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/* Remove compiler warning about xFreeHeapSpace being set but never used. */
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( void ) xFreeHeapSpace;
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}
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