main.c File Reference

Main file of the AVR UC3 A3 Wireless UART application.

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

#include <string.h>
#include "compiler.h"
#include "board.h"
#include "sysclk.h"
#include "conf_usb.h"
#include "conf_at86rfx.h"
#include "udd.h"
#include "udc.h"
#include "udi_cdc.h"
#include "at86rfx_driver.h"

Macros
#define	BUFFER_SIZE   (200)

Typedefs
typedef enum tx_state_tag	tx_state_t
	Enum to store the current TX state of application. More...

Enumerations
enum	tx_state_tag {   TX_IDLE = 0,   TX_ONGOING }
	Enum to store the current TX state of application. More...

Functions
static void	app_task (void)
	Application task responsible for transferring bytes received from USB to RF module. More...
void	at86rfx_tal_rx_frame_cb (uint8_t *rx_frame_array)
	Callback that is called once a frame is received. More...
void	at86rfx_tal_tx_status_cb (uint8_t status)
	Callback that is called once tx is done. More...
int	main (void)
	Main function. Execution starts here. More...
void	main_cdc_disable (void)
	Called by CDC interface Callback running when USB Host disable cdc interface. More...
bool	main_cdc_enable (void)
	Called by CDC interface Callback running when USB Host enable CDC interface. More...
void	usb_rx_notify (void)
	Callback that is called once a byte is received from USB. More...
static void	usb_task (void)
	USB task responsible for extracting the bytes received from USB buffer. More...

Variables
static volatile bool	main_b_cdc_enable = false
static uint8_t	tx_buffer [BUFFER_SIZE]
static tx_state_t	tx_state = TX_IDLE
static uint8_t	usb_rx_buff_len = 0
static uint8_t	usb_rx_buffer [BUFFER_SIZE]
static volatile bool	usb_rx_byte_rcvd = false

#define BUFFER_SIZE   (200)

Referenced by usb_task().

typedef enum tx_state_tag tx_state_t

Enum to store the current TX state of application.

enum tx_state_tag

Enum to store the current TX state of application.

Enumerator
TX_IDLE
TX_ONGOING

static void app_task ( void  )

static

Application task responsible for transferring bytes received from USB to RF module.

References at86rfx_tx_frame(), cpu_irq_disable, cpu_irq_enable, FCS_LEN, PHY_MAX_LENGTH, tx_buffer, TX_IDLE, TX_ONGOING, tx_state, usb_rx_buff_len, and usb_rx_buffer.

Referenced by main().

void at86rfx_tal_rx_frame_cb

(

uint8_t *

rx_frame_array

)

Callback that is called once a frame is received.

Parameters

rx_frame_array

Pointer for the received frame

References FCS_LEN, LED0, LED_Toggle(), and udi_cdc_write_buf().

void at86rfx_tal_tx_status_cb

(

uint8_t

status

)

Callback that is called once tx is done.

Parameters

status

Status of the transmission procedure

References AT86RFX_CHANNEL_ACCESS_FAILURE, AT86RFX_SUCCESS, at86rfx_tx_frame(), FCS_LEN, LED1, LED_Toggle(), tx_buffer, TX_IDLE, tx_state, and udi_cdc_write_buf().

int main

(

void

)

Main function. Execution starts here.

References app_task(), Assert, at86rfx_init(), AT86RFX_SUCCESS, at86rfx_task(), board_init(), cpu_irq_enable, irq_initialize_vectors, sysclk_init(), udc_start(), and usb_task().

void main_cdc_disable

(

void

)

Called by CDC interface Callback running when USB Host disable cdc interface.

References main_b_cdc_enable.

bool main_cdc_enable

(

void

)

Called by CDC interface Callback running when USB Host enable CDC interface.

Return values

true	if cdc startup is successfully done

References main_b_cdc_enable.

void usb_rx_notify

(

void

)

Callback that is called once a byte is received from USB.

References usb_rx_byte_rcvd.

static void usb_task ( void  )

static

USB task responsible for extracting the bytes received from USB buffer.

References BUFFER_SIZE, cpu_irq_disable, cpu_irq_enable, main_b_cdc_enable, udi_cdc_getc(), udi_cdc_is_rx_ready(), usb_rx_buff_len, usb_rx_buffer, and usb_rx_byte_rcvd.

Referenced by main().

volatile bool main_b_cdc_enable = false

static

Referenced by main_cdc_disable(), main_cdc_enable(), and usb_task().

uint8_t tx_buffer[BUFFER_SIZE]

static

Referenced by app_task(), and at86rfx_tal_tx_status_cb().

tx_state_t tx_state = TX_IDLE

static

Referenced by app_task(), and at86rfx_tal_tx_status_cb().

uint8_t usb_rx_buff_len = 0

static

Referenced by app_task(), and usb_task().

uint8_t usb_rx_buffer[BUFFER_SIZE]

static

Referenced by app_task(), and usb_task().

volatile bool usb_rx_byte_rcvd = false

static

Referenced by usb_rx_notify(), and usb_task().