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* http://aws.amazon.com/freertos
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* http://aws.amazon.com/freertos
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*
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*
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* 1 tab == 4 spaces!
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* 1 tab == 4 spaces!
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*/
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*/
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/******************************************************************************
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* This project provides two demo applications. A simple blinky style project,
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* and a more comprehensive test and demo application. The
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* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to
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* select between the two. The simply blinky demo is implemented and described
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* in main_blinky.c. The more comprehensive test and demo application is
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* implemented and described in main_full.c.
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*
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* This file implements the code that is not demo specific, including the
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* hardware setup and standard FreeRTOS hook functions.
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*
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* ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
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* THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
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* APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
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*
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*/
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/*
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/*
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* Modified for the NEORV32 processor by Stephan Nolting.
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* Modified for the NEORV32 processor by Stephan Nolting.
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*/
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*/
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#ifdef RUN_FREERTOS_DEMO
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#ifdef RUN_FREERTOS_DEMO
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#include <stdint.h>
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/* FreeRTOS kernel includes. */
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/* FreeRTOS kernel includes. */
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#include <FreeRTOS.h>
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#include <FreeRTOS.h>
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#include <semphr.h>
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#include <queue.h>
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#include <task.h>
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#include <task.h>
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/* NEORV32 includes. */
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/* NEORV32 includes. */
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#include <neorv32.h>
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#include <neorv32.h>
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/* misc */
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//#include "driver_wrapper/uart_serial.h"
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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 1
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/* UART hardware constants. */
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#define BAUD_RATE 19200
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#define BAUD_RATE 19200
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/*-----------------------------------------------------------*/
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/******************************************************************************
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/*
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* This project provides two demo applications. A simple blinky style project,
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* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
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* and a more comprehensive test and demo application. The
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* main_full() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 0.
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* mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting (defined in this file) is used to
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* select between the two. The simply blinky demo is implemented and described
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* in main_blinky.c. The more comprehensive test and demo application is
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* implemented and described in main_full.c.
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*
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* This file implements the code that is not demo specific, including the
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* hardware setup and standard FreeRTOS hook functions.
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*
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* ENSURE TO READ THE DOCUMENTATION PAGE FOR THIS PORT AND DEMO APPLICATION ON
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* THE http://www.FreeRTOS.org WEB SITE FOR FULL INFORMATION ON USING THIS DEMO
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* APPLICATION, AND ITS ASSOCIATE FreeRTOS ARCHITECTURE PORT!
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*
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*/
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*/
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#if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1
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extern void main_blinky( void );
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extern void main_blinky( void );
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#else
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extern void main_full( void );
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#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */
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extern void freertos_risc_v_trap_handler( void );
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extern void freertos_risc_v_trap_handler( void );
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/* Prototypes for the standard FreeRTOS callback/hook functions implemented
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/*
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within this file. See https://www.freertos.org/a00016.html */
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* Prototypes for the standard FreeRTOS callback/hook functions implemented
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* within this file. See https://www.freertos.org/a00016.html
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*/
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void vApplicationMallocFailedHook( void );
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void vApplicationMallocFailedHook( void );
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void vApplicationIdleHook( void );
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void vApplicationIdleHook( void );
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
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void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
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void vApplicationTickHook( void );
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void vApplicationTickHook( void );
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/* Prepare hardware to run the demo. */
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/* Prepare hardware to run the demo. */
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static void prvSetupHardware( void );
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static void prvSetupHardware( void );
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/* Send a message to the UART initialised in prvSetupHardware. */
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/* System */
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void vSendString( const char * const pcString );
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void vToggleLED( void );
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void vSendString( const char * pcString );
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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int main( void )
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int main( void )
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{
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{
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prvSetupHardware();
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prvSetupHardware();
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neorv32_uart_printf("FreeRTOS %s\n", tskKERNEL_VERSION_NUMBER);
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/* say hi */
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neorv32_uart_printf("FreeRTOS %s on NEORV32 Demo\n\n", tskKERNEL_VERSION_NUMBER);
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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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main_blinky();
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main_blinky();
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#else
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main_full();
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#endif
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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static void prvSetupHardware( void )
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static void prvSetupHardware( void )
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{
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{
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// configure trap handler entry point
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// configure trap handler entry point
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neorv32_cpu_csr_write(CSR_MTVEC, (uint32_t)&freertos_risc_v_trap_handler);
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neorv32_cpu_csr_write(CSR_MTVEC, (uint32_t)&freertos_risc_v_trap_handler);
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// clear GPIO.out port
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neorv32_gpio_port_set(0);
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// configure UART for default baud rate, no rx interrupt, no tx interrupt
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// configure UART for default baud rate, no rx interrupt, no tx interrupt
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neorv32_uart_setup(BAUD_RATE, 0, 0);
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neorv32_uart_setup(BAUD_RATE, 0, 0);
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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neorv32_gpio_pin_toggle(0);
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neorv32_gpio_pin_toggle(0);
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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void vSendString( const char * const pcString )
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void vSendString( const char * pcString )
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{
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{
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neorv32_uart_print( (char *)pcString );
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neorv32_uart_print( ( const char * ) pcString );
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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void vApplicationMallocFailedHook( void )
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void vApplicationMallocFailedHook( void )
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heap available to pvPortMalloc() is defined by configTOTAL_HEAP_SIZE in
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heap available to pvPortMalloc() is defined by configTOTAL_HEAP_SIZE in
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FreeRTOSConfig.h, and the xPortGetFreeHeapSize() API function can be used
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FreeRTOSConfig.h, and the xPortGetFreeHeapSize() API function can be used
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to query the size of free heap space that remains (although it does not
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to query the size of free heap space that remains (although it does not
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provide information on how the remaining heap might be fragmented). */
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provide information on how the remaining heap might be fragmented). */
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taskDISABLE_INTERRUPTS();
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taskDISABLE_INTERRUPTS();
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neorv32_uart_print("FreeRTOS_FAULT: vApplicationMallocFailedHook\n");
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neorv32_uart_print("FreeRTOS_FAULT: vApplicationMallocFailedHook (solution: increase 'configTOTAL_HEAP_SIZE' in FreeRTOSConfig.h)\n");
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__asm volatile( "ebreak" );
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__asm volatile( "ebreak" );
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for( ;; );
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for( ;; );
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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Line 198... |
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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void vApplicationTickHook( void )
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void vApplicationTickHook( void )
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{
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{
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/* The tests in the full demo expect some interaction with interrupts. */
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#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY != 1 )
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{
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extern void vFullDemoTickHook( void );
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vFullDemoTickHook();
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}
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#endif
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}
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}
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/*-----------------------------------------------------------*/
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/*-----------------------------------------------------------*/
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/* This handler is responsible for handling all interrupts. Only the machine timer interrupt is handled by the kernel. */
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/* This handler is responsible for handling all interrupts. Only the machine timer interrupt is handled by the kernel. */
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