task_demo.h File Reference

FreeRTOS Web/DSP Demo.

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

#include <FreeRTOS.h>
#include <StackMacros.h>
#include <croutine.h>
#include <list.h>
#include <mpu_wrappers.h>
#include <portable.h>
#include <projdefs.h>
#include <queue.h>
#include <semphr.h>
#include <task.h>
#include <timers.h>
#include <pmc.h>
#include <sysclk.h>

Macros
#define	SLIDER_SELECTOR_NB   (9UL)
#define	SLIDER_SELECTOR_RANGE   (255UL / SLIDER_SELECTOR_NB)
#define	WAIT_FOR_TOUCH_EVENT   {while (app_hold) vTaskDelay(instructions_delay);}
	Wait for user to touch screen. More...

Functions
void	create_dsp_task (uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
	Create the DSP task. More...
void	create_gfx_task (uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
	Create the GFX task. More...
void	create_qtouch_task (uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
	Create the QTouch task. More...
void	create_webserver_task (uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
	Create the Webserver task. More...

Variables
uint32_t	app_hold
	Used to block the application on instruction screen. More...
const portTickType	instructions_delay
	Small delay to hold tasks, during instruction screen. More...

#define SLIDER_SELECTOR_NB   (9UL)

Referenced by demo_process_qt_status(), and dsp_sin_init().

#define SLIDER_SELECTOR_RANGE   (255UL / SLIDER_SELECTOR_NB)

Referenced by demo_process_qt_status().

#define WAIT_FOR_TOUCH_EVENT   {while (app_hold) vTaskDelay(instructions_delay);}

Wait for user to touch screen.

Referenced by dsp_task(), http_task(), qtouch_task(), and webserver_task().

void create_dsp_task	(	uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

Create the DSP task.

Parameters

stack_depth_words	Task stack size in 32 bits word.
task_priority	Task priority.

References dsp_task(), NULL, vSemaphoreCreateBinary, xSemaphoreTake, and xTaskCreate.

Referenced by main().

void create_gfx_task	(	uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

Create the GFX task.

Parameters

stack_depth_words	Task stack size in 32 bits word.
task_priority	Task priority.

Initialize display.

Create the task as described above.

void create_qtouch_task	(	uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

Create the QTouch task.

Parameters

stack_depth_words	Task stack size in 32 bits word.
task_priority	Task priority.

Initialize communication interface

Reset QT device

Check communication is ready and able to read Chip ID

Infinite loop here

Read setup block

Modify setup block parameters for specific example

Write setup block

Create the task as described above.

References demo_set_qt_param(), init_interface(), NULL, qt_get_comm_ready(), qt_hardware_reset(), qt_read_setup_block(), qt_write_setup_block(), qtouch_task(), setup_block, STATUS_OK, and xTaskCreate.

Referenced by main().

void create_webserver_task	(	uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

Create the Webserver task.

Parameters

stack_depth_words	Task stack size in 32 bits word.
task_priority	Task priority.

Create the task as described above.

References NULL, webserver_task(), and xTaskCreate.

Referenced by main().

uint32_t app_hold

Used to block the application on instruction screen.

Used to block the application on instruction screen.

const portTickType instructions_delay

Small delay to hold tasks, during instruction screen.