__interrupt void Timer_A (void) { if(is_show_lcd_screen && is_lcd_message) { LCD_cls(); LCD_displayCgrom_screen(); } }
void vLCDTask( void *pvParameters ) { xLCDMessage xMessage; /* Initialise the LCD and display a startup message. */ LCD_init(); LCD_cur_off(); LCD_cls(); LCD_gotoxy( 1, 1 ); LCD_puts( ( signed char * ) "www.FreeRTOS.org" ); for( ;; ) { /* Wait for a message to arrive that requires displaying. */ while( xQueueReceive( xLCDQueue, &xMessage, portMAX_DELAY ) != pdPASS ); /* Display the message. Print each message to a different position. */ LCD_cls(); LCD_gotoxy( ( xMessage.xColumn & 0x07 ) + 1, ( xMessage.xColumn & 0x01 ) + 1 ); LCD_puts( xMessage.pcMessage ); } }
/*---------------------------------------------------------------------------*/ static void lcd (char *str) { short wStrLen; lcd_setup_t LCDMessage; extern xQueueHandle xLCDQueue; LCDMessage.byColumn = 0; wStrLen = strlen("lcd "); if (strlen(str) > wStrLen) { LCD_cls(); LCD_gotoxy(1, 1); LCDMessage.Message = &str[wStrLen]; xQueueSend(xLCDQueue, &LCDMessage, portMAX_DELAY); shell_output("LCD OK!", ""); shell_output("Message: ", LCDMessage.Message); } else { shell_output("LCD ERROR: String null!", ""); } }
static void vCheckTask( void *pvParameters ) { portBASE_TYPE xErrorOccurred = pdFALSE; TickType_t xLastExecutionTime; unsigned portBASE_TYPE uxColumn = 0; xLCDMessage xMessage; xLastExecutionTime = xTaskGetTickCount(); xMessage.xColumn = 0; xMessage.pcMessage = "PASS"; for( ;; ) { /* Perform this check every mainCHECK_DELAY milliseconds. */ vTaskDelayUntil( &xLastExecutionTime, mainCHECK_DELAY ); /* Has an error been found in any task? */ if( xAreBlockingQueuesStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } if( xAreBlockTimeTestTasksStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } if( xAreSemaphoreTasksStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } if( xArePollingQueuesStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } if( xIsCreateTaskStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } if( xAreIntegerMathsTaskStillRunning() != pdTRUE ) { xErrorOccurred = pdTRUE; } LCD_cls(); xMessage.xColumn++; LCD_gotoxy( ( uxColumn & 0x07 ) + 1, ( uxColumn & 0x01 ) + 1 ); if( xErrorOccurred == pdTRUE ) { xMessage.pcMessage = "FAIL"; } /* Send the message to the LCD gatekeeper for display. */ xQueueSend( xLCDQueue, &xMessage, portMAX_DELAY ); } }