device_cdc_task.c File Reference

#include <stdio.h>
#include "usart.h"
#include "conf_usb.h"
#include "power_clocks_lib.h"
#include "print_funcs.h"
#include "cdc_example.h"
#include "board.h"
#include "usb_drv.h"
#include "gpio.h"
#include "intc.h"
#include "usb_descriptors.h"
#include "usb_standard_request.h"
#include "device_cdc_task.h"
#include "uart_usb_lib.h"
#include "fifo.h"

Macros
#define	USART_IRQ   DBG_USART_IRQ
#define	USART_RX_BUFFER   64

Functions
void	device_cdc_task (void)
	Entry point of the device CDC task management. More...
void	device_cdc_task_init (void)
	This function initializes the hardware/software resources required for device CDC task. More...
static void	int_handler_usart (void)
void	usb_sof_action (void)
	usb_sof_action More...

Variables
static fifo_desc_t	fifo_desc_usart
static uint8_t	fifo_rx [USART_RX_BUFFER]
static volatile uint16_t	sof_cnt

#define USART_IRQ   DBG_USART_IRQ

Referenced by device_cdc_task_init().

#define USART_RX_BUFFER   64

Referenced by device_cdc_task_init().

void device_cdc_task

(

void

)

Entry point of the device CDC task management.

References DBG_USART, fifo_get_used_size(), FIFO_OK, fifo_pull_uint8(), gpio_get_pin_value(), Is_device_enumerated, is_joystick_down(), is_joystick_left(), is_joystick_pressed(), is_joystick_right(), is_joystick_up(), NB_MS_BEFORE_FLUSH, sof_cnt, uart_usb_flush(), uart_usb_getchar(), uart_usb_putchar(), uart_usb_test_hit(), uart_usb_tx_ready(), usart_tx_ready(), and usart_write_char().

Referenced by device_cdc_task_init(), and main().

void device_cdc_task_init

(

void

)

This function initializes the hardware/software resources required for device CDC task.

References device_cdc_task(), Disable_global_interrupt, Enable_global_interrupt, fifo_init(), fifo_rx, int_handler_usart(), INTC_register_interrupt(), Is_usb_device, sof_cnt, uart_usb_init(), USART_IRQ, USART_RX_BUFFER, and Usb_enable_sof_interrupt.

Referenced by main().

static void int_handler_usart ( void  )

static

References DBG_USART, FIFO_ERROR_OVERFLOW, fifo_push_uint8(), gpio_clr_gpio_pin(), LED0_GPIO, LED1_GPIO, LED2_GPIO, and LED3_GPIO.

Referenced by device_cdc_task_init().

fifo_desc_t fifo_desc_usart

static

uint8_t fifo_rx[USART_RX_BUFFER]

static

Referenced by device_cdc_task_init().

volatile uint16_t sof_cnt

static

Referenced by device_cdc_task(), device_cdc_task_init(), and usb_sof_action().