USB-CDC-CLI-task.c File Reference

FreeRTOS+CLI task implementation example.

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

#include <stdint.h>
#include <string.h>
#include "FreeRTOS.h"
#include "task.h"
#include "queue.h"
#include "semphr.h"
#include "FreeRTOS_CLI.h"
#include <udi_cdc.h>
#include <udc.h>
#include "demo-tasks.h"

Macros
#define	EVENT_QUEUE_LENGTH   (5)
#define	MAX_INPUT_SIZE   50
#define	RX_BUFFER_SIZE_BYTES   (50)

Functions
void	cdc_cli_output (const uint8_t const *message_string)
void	cli_cdc_disable (uint8_t port)
bool	cli_cdc_enable (uint8_t port)
void	cli_cdc_rx_notify (uint8_t port)
void	cli_vbus_event (bool b_vbus_high)
void	create_usb_cdc_cli_task (uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
static void	usb_cdc_command_console_task (void *pvParameters)

Variables
static xSemaphoreHandle	access_mutex = NULL
static volatile bool	cdc_connected = false
static xSemaphoreHandle	cdc_new_data_semaphore = NULL
static const uint8_t *const	line_separator = (uint8_t *) "\r\n[Press ENTER to execute the previous command again]\r\n>"
static const uint8_t *const	new_line = (uint8_t *) "\r\n"

#define EVENT_QUEUE_LENGTH   (5)

#define MAX_INPUT_SIZE   50

Referenced by usb_cdc_command_console_task().

#define RX_BUFFER_SIZE_BYTES   (50)

void cdc_cli_output

(

const uint8_t const *

message_string

)

References access_mutex, cdc_connected, udi_cdc_write_buf(), xSemaphoreGive, and xSemaphoreTake.

Referenced by created_task().

void cli_cdc_disable

(

uint8_t

port

)

References cdc_connected.

bool cli_cdc_enable

(

uint8_t

port

)

References cdc_connected.

void cli_cdc_rx_notify

(

uint8_t

port

)

References cdc_new_data_semaphore, configASSERT, pdFALSE, and xSemaphoreGiveFromISR.

void cli_vbus_event

(

bool

b_vbus_high

)

References udc_attach(), and udc_detach().

Referenced by usb_cdc_command_console_task().

void create_usb_cdc_cli_task	(	uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

References access_mutex, cdc_new_data_semaphore, configASSERT, usb_cdc_command_console_task(), and vRegisterCLICommands().

Referenced by main().

static void usb_cdc_command_console_task ( void *  pvParameters )

static

References access_mutex, cdc_new_data_semaphore, cli_vbus_event(), configCOMMAND_INT_MAX_OUTPUT_SIZE, FreeRTOS_CLIGetOutputBuffer(), FreeRTOS_CLIProcessCommand(), line_separator, MAX_INPUT_SIZE, new_line, pdFALSE, udc_include_vbus_monitoring(), udc_start(), udi_cdc_getc(), udi_cdc_is_rx_ready(), udi_cdc_putc(), udi_cdc_write_buf(), xSemaphoreGive, and xSemaphoreTake.

Referenced by create_usb_cdc_cli_task().

xSemaphoreHandle access_mutex = NULL

static

Referenced by cdc_cli_output(), create_usb_cdc_cli_task(), and usb_cdc_command_console_task().

volatile bool cdc_connected = false

static

Referenced by cdc_cli_output(), cli_cdc_disable(), and cli_cdc_enable().

xSemaphoreHandle cdc_new_data_semaphore = NULL

static

Referenced by cli_cdc_rx_notify(), create_usb_cdc_cli_task(), and usb_cdc_command_console_task().

const uint8_t* const line_separator = (uint8_t *) "\r\n[Press ENTER to execute the previous command again]\r\n>"

static

Referenced by usb_cdc_command_console_task().

const uint8_t* const new_line = (uint8_t *) "\r\n"

static

Referenced by usb_cdc_command_console_task().