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Diffstat (limited to 'software/mpu/src/Kopie von main.c')
| -rw-r--r-- | software/mpu/src/Kopie von main.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/software/mpu/src/Kopie von main.c b/software/mpu/src/Kopie von main.c deleted file mode 100644 index bb1399b..0000000 --- a/software/mpu/src/Kopie von main.c +++ /dev/null @@ -1,185 +0,0 @@ -/*
-===============================================================================
- Name : main.c
- Author :
- Version :
- Copyright : Copyright (C)
- Description : main definition
-===============================================================================
-*/
-
-/* Kernel includes. */
-#include "FreeRTOS.h"
-#include "task.h"
-#include "queue.h"
-
-/* SSP includes */
-#include "ssp.h"
-
-/* Priorities at which the tasks are created. */
-#define mainQUEUE_RECEIVE_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
-#define mainQUEUE_SEND_TASK_PRIORITY ( tskIDLE_PRIORITY + 1 )
-#define mainQUEUE_SSP_TASK_PRIORITY ( tskIDLE_PRIORITY + 2 )
-
-#define configSND_TASK_STACK_SIZE ( ( unsigned short ) 32 )
-#define configRCV_TASK_STACK_SIZE ( ( unsigned short ) 32 )
-#define configSPI_LOOP_TASK_STACK_SIZE ( ( unsigned short ) 32 )
-
-/* The bit of port 0 that the LPCXpresso LPC13xx LED is connected. */
-#define mainLED_BIT ( 7 )
-
-/* The rate at which data is sent to the queue, specified in milliseconds. */
-#define mainQUEUE_SEND_FREQUENCY_MS ( 500 / portTICK_RATE_MS )
-
-/* The number of items the queue can hold. This is 1 as the receive task
-will remove items as they are added, meaning the send task should always find
-the queue empty. */
-#define mainQUEUE_LENGTH ( 1 )
-
-/*
- * The tasks.
- */
-static void prvQueueReceiveTask( void *pvParameters );
-static void prvQueueSendTask( void *pvParameters );
-static void prvLoopBackTestTask( void *pvParameters );
-
-/*
- * Simple function to toggle the LED on the LPCXpresso LPC13xx board.
- */
-static void prvToggleLED( void );
-
-/* The queue used by both tasks. */
-static xQueueHandle xQueue = NULL;
-
-/* SSP buffer */
- uint8_t src_addr[SSP_BUFSIZE];
- uint8_t dest_addr[SSP_BUFSIZE];
-/*-----------------------------------------------------------*/
-
-int main(void) {
-
- /* Set the LPCXpresso LPC13xx LED port to output. */
- LPC_GPIO0->DIR |= ( 0x1 << mainLED_BIT );
-
- /* Create the queue. */
- xQueue = xQueueCreate( mainQUEUE_LENGTH, sizeof( unsigned long ) );
-
- if( xQueue != NULL )
- {
- /* Start the two tasks as described in the accompanying application
- note. */
- xTaskCreate( prvQueueReceiveTask, ( signed char * ) "Rx", configRCV_TASK_STACK_SIZE, NULL, mainQUEUE_RECEIVE_TASK_PRIORITY, NULL );
- xTaskCreate( prvQueueSendTask, ( signed char * ) "TX", configSND_TASK_STACK_SIZE, NULL, mainQUEUE_SEND_TASK_PRIORITY, NULL );
- xTaskCreate( prvLoopBackTestTask, ( signed char * ) "LoopBckTst", configSPI_LOOP_TASK_STACK_SIZE, NULL, mainQUEUE_SSP_TASK_PRIORITY, NULL );
-
- /* Start the tasks running. */
- vTaskStartScheduler();
- }
-
- /* If all is well we will never reach here as the scheduler will now be
- running. If we do reach here then it is likely that there was insufficient
- heap available for the idle task to be created. */
- for( ;; );
-/*
- // Enter an infinite loop, just incrementing a counter
- volatile static int i = 0 ;
- while(1) {
- i++ ;
- }
-*/
- return 0 ;
-}
-
-
-/*
- * -------------------------------------------------------------
- */
-static void prvQueueSendTask( void *pvParameters )
-{
- portTickType xNextWakeTime;
- unsigned long ulValueToSend = 100UL;
-
- /* Initialise xNextWakeTime - this only needs to be done once. */
- xNextWakeTime = xTaskGetTickCount();
-
- for( ;; )
- {
- /* Place this task in the blocked state until it is time to run again.
- The block state is specified in ticks, the constant used converts ticks
- to ms. While in the blocked state this task will not consume any CPU
- time. */
- vTaskDelayUntil( &xNextWakeTime, mainQUEUE_SEND_FREQUENCY_MS );
-
- /* Send to the queue - causing the queue receive task to flash its LED.
- 0 is used as the block time so the sending operation will not block -
- it shouldn't need to block as the queue should always be empty at this
- point in the code. */
- if(ulValueToSend == 200UL)
- ulValueToSend = 100UL;
- else
- ulValueToSend = 200UL;
- xQueueSend( xQueue, &ulValueToSend, 0 );
-
- }
-}
-/*-----------------------------------------------------------*/
-
-static void prvQueueReceiveTask( void *pvParameters )
-{
-unsigned long ulReceivedValue;
-
- for( ;; )
- {
- /* Wait until something arrives in the queue - this task will block
- indefinitely provided INCLUDE_vTaskSuspend is set to 1 in
- FreeRTOSConfig.h. */
- xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
-
- /* To get here something must have been received from the queue, but
- is it the expected value? If it is, toggle the LED. */
- if( ulReceivedValue == 100UL )
- {
- prvToggleLED();
- }
- }
-}
-/*-----------------------------------------------------------*/
-static void prvLoopBackTestTask( void *pvParameters )
-{
- uint8_t u;
- unsigned long ulReceivedValue;
- portTickType xNextWakeTime;
-
- xNextWakeTime = xTaskGetTickCount();
- u = 3;
- SSPInit();
-
- for(;;)
- {
- xQueueReceive( xQueue, &ulReceivedValue, portMAX_DELAY );
- if(ulReceivedValue == 200UL)
- {
- prvToggleLED();
- vTaskDelayUntil( &xNextWakeTime, (500 / portTICK_RATE_MS) );
- prvToggleLED();
- vTaskDelayUntil( &xNextWakeTime, (500 / portTICK_RATE_MS) );
- prvToggleLED();
- }
- vTaskDelayUntil( &xNextWakeTime, (100 / portTICK_RATE_MS) );
- u++;
- LoopbackTest();
- }
-}
-/*-----------------------------------------------------------*/
-
-static void prvToggleLED( void )
-{
-/* This function is only called from one task so does not have to be reentrant,
-so the static qualifier is acceptable. */
-static unsigned long ulLEDState = 1;
-
- /* Turn the LED off if it was on, and on if it was off. */
- ulLEDState = !ulLEDState;
- LPC_GPIO0->MASKED_ACCESS[ ( 1 << mainLED_BIT) ] = ( ulLEDState << mainLED_BIT );
-}
-/*-----------------------------------------------------------*/
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