demo_co_routines.c File Reference

FreeRTOS demo Co-routines implementations.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <conf_demo.h>
#include "demo_co_routines.h"

Macros
Co-routines configuration
#define	UART_CO_ROUTINE_PRIORITY   (configMAX_CO_ROUTINE_PRIORITIES - 1)
#define	MAIN_CO_ROUTINE_PRIORITY   (configMAX_CO_ROUTINE_PRIORITIES - 2)
#define	MAIN_CO_ROUTINE_DELAY   (100 / portTICK_RATE_MS)
#define	GRAPH_CO_ROUTINE_PRIORITY   (configMAX_CO_ROUTINE_PRIORITIES - 3)
#define	GRAPH_CO_ROUTINE_DELAY   (50 / portTICK_RATE_MS)
#define	TERMINAL_CO_ROUTINE_PRIORITY   (configMAX_CO_ROUTINE_PRIORITIES - 3)
#define	ABOUT_CO_ROUTINE_PRIORITY   (configMAX_CO_ROUTINE_PRIORITIES - 3)

Functions
static void	cdc_rx_handler (uint8_t instance)
	Interrupt handler for reception from EDBG Virtual COM Port. More...
void	demo_co_routines_init (void)
	Initialize Co-routines and resources for demo. More...
void	vApplicationIdleHook (void)
	This idle task hook will schedule a co-routine each time it is called. More...
Co-routines for demo
static void	main_co_routine (CoRoutineHandle_t xHandle, UBaseType_t uxIndex)
	Main demo Co-routine. More...
static void	graph_co_routine (CoRoutineHandle_t xHandle, UBaseType_t uxIndex)
	Graph Co-routine. More...
static void	terminal_co_routine (CoRoutineHandle_t xHandle, UBaseType_t uxIndex)
	Terminal Co-routine. More...
static void	about_co_routine (CoRoutineHandle_t xHandle, UBaseType_t uxIndex)
	About Co-routine. More...
static void	uart_co_routine (CoRoutineHandle_t xHandle, UBaseType_t uxIndex)
	UART Co-routine. More...

Menu and display configuration
#define	MENU_HEIGHT   8
	Height of menu bar. More...
#define	MENU_ITEM_WIDTH   (((GFX_MONO_LCD_WIDTH - (MENU_NUM_ITEMS - 1))) / MENU_NUM_ITEMS)
	Width per menu item. More...
#define	CANVAS_HEIGHT   ((GFX_MONO_LCD_HEIGHT) - (MENU_HEIGHT + 1))
	Height of area in which to draw content. More...
#define	CANVAS_WIDTH   (GFX_MONO_LCD_WIDTH)
	Width of area in which to draw content. More...
#define	TERMINAL_LINES   (1 + ((CANVAS_HEIGHT - SYSFONT_HEIGHT) / (SYSFONT_HEIGHT + 1)))
	Character lines on display. More...
#define	TERMINAL_COLUMNS   (CANVAS_WIDTH / SYSFONT_WIDTH)
	Character columns on display. More...
#define	TERMINAL_BUFFER_LINES   (1 + TERMINAL_LINES)
	Character lines in terminal buffer. More...
#define	TERMINAL_BUFFER_COLUMNS   (1 + TERMINAL_COLUMNS)
	Character columns in terminal buffer. More...
enum	menu_items {   MENU_ITEM_GRAPH,   MENU_ITEM_TERMINAL,   MENU_ITEM_ABOUT,   MENU_NUM_ITEMS,   MENU_ITEM_GRAPH,   MENU_ITEM_TERMINAL,   MENU_ITEM_ABOUT,   MENU_NUM_ITEMS,   MENU_ITEM_GRAPH,   MENU_ITEM_TERMINAL,   MENU_ITEM_ABOUT,   MENU_NUM_ITEMS,   MENU_ITEM_GRAPH,   MENU_ITEM_TERMINAL,   MENU_ITEM_ABOUT,   MENU_NUM_ITEMS }
	Available selections in menu. More...

Global constants and variables
static const char	menu_items_text [MENU_NUM_ITEMS][6]
	Labels for menu items. More...
static const char	about_text []
	Text to display on about screen. More...
static struct usart_module	cdc_usart
	Instance for Embedded Debugger (EDBG) Virtual COM Port driver. More...
static uint8_t	graph_noise = 128
	Pseudo-random noise for graph Co-routine. More...
static gfx_coord_t	x1 = 0
	x coord for graph Co-routine More...
static uint8_t	terminal_buffer [TERMINAL_BUFFER_LINES][TERMINAL_BUFFER_COLUMNS]
	Buffer for terminal text. More...
static uint8_t	terminal_line_offset
	Index of latest terminal line (first to be printed) More...
static QueueHandle_t	terminal_in_queue
	Queue for incoming terminal characters. More...
static QueueHandle_t	graph_co_routine_queue
	Queue for sync graph Co-routine. More...
static QueueHandle_t	terminal_co_routine_queue
	Queue for sync terminal Co-routine. More...
static QueueHandle_t	about_co_routine_queue
	Queue for sync about Co-routine. More...
static	OLED1_CREATE_INSTANCE (oled1, OLED1_EXT_HEADER)
	Instance for OLED1 Xplained Pro LED and button driver. More...