USART-echo-tasks.c File Reference

FreeRTOS USART driver echo test tasks.

Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.

#include <stdio.h>
#include <string.h>
#include "FreeRTOS.h"
#include "task.h"
#include "freertos_usart_serial.h"
#include "demo-tasks.h"

Macros
#define	RX_BUFFER_SIZE   (79)
#define	USART_BAUD_RATE   (115200)

Functions
portBASE_TYPE	are_usart_echo_tasks_still_running (void)
void	create_usart_echo_test_tasks (Usart *usart_base, uint16_t stack_depth_words, unsigned portBASE_TYPE task_priority)
static void	usart_echo_rx_task (void *pvParameters)
static void	usart_echo_tx_task (void *pvParameters)

Variables
const uint8_t *	echo_strings []
static uint8_t	receive_buffer [RX_BUFFER_SIZE] = {0}
static uint32_t	rx_task_loops = 0UL

#define RX_BUFFER_SIZE   (79)

Referenced by create_usart_echo_test_tasks(), usart_echo_rx_task(), and usart_echo_tx_task().

#define USART_BAUD_RATE   (115200)

Referenced by create_usart_echo_test_tasks().

portBASE_TYPE are_usart_echo_tasks_still_running

(

void

)

References pdFAIL, pdPASS, and rx_task_loops.

Referenced by prvLEDTimerCallback().

void create_usart_echo_test_tasks	(	Usart *	usart_base,
		uint16_t	stack_depth_words,
		unsigned portBASE_TYPE	task_priority
	)

References configASSERT, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY, freertos_usart_serial_init(), receive_buffer, RX_BUFFER_SIZE, USART_BAUD_RATE, usart_echo_rx_task(), usart_echo_tx_task(), USART_RS232, USE_RX_ACCESS_MUTEX, and USE_TX_ACCESS_SEM.

Referenced by main().

static void usart_echo_rx_task ( void *  pvParameters )

static

References configASSERT, echo_strings, freertos_usart_serial_read_packet(), RX_BUFFER_SIZE, and rx_task_loops.

Referenced by create_usart_echo_test_tasks().

static void usart_echo_tx_task ( void *  pvParameters )

static

References configASSERT, echo_strings, freertos_usart_write_packet_async(), portTICK_RATE_MS, portTickType, RX_BUFFER_SIZE, STATUS_OK, vTaskDelay(), xSemaphoreHandle, and xSemaphoreTake.

Referenced by create_usart_echo_test_tasks().

const uint8_t* echo_strings[]

Referenced by usart_echo_rx_task(), and usart_echo_tx_task().

uint8_t receive_buffer[RX_BUFFER_SIZE] = {0}

static

Referenced by create_usart_echo_test_tasks().

uint32_t rx_task_loops = 0UL

static

Referenced by are_usart_echo_tasks_still_running(), and usart_echo_rx_task().