Renesas REJ10J1837-0100 Guía de instalación descargar pdf (Pagina 28)

USB Basic Firmware <Short Sheet>

R01AN0495EJ0100 Rev.1.00 Page 28 of 32

Apr 15, 2011

Table 4.1 Task Functions

No Module Name Function

1 USB interrupt handler

void usb_cstd_UsbHandler(void)

• USB interrupt handler

(USB packet transmit/receive end and special

signal detection)

2 Peripheral driver(PCD)

void usb_pstd_PcdTask(USBC_VP_INT_t)

• Hardware control in peripheral function mode

• Peripheral transaction management

3 Host driver (HCD)

void usb2_hstd_HcdTask(USBC_VP_INT_t)

• Hardware control in host function mode

• Host transaction management

4 Host manager (MGR)

void usb2_hstd_MgrTask(USBC_VP_INT_t)

• Device state management

• Enumeration

• HCD/HUBCD control message determination

5 Hub class driver (HUBCD)

void usb2_hhub_Task(USBC_VP_INT_t)

• HUB down port device state management

• HUB down port enumeration

6 USB Peripheral Device class driver(PDCD)

Provided by the customer as appropriate for the

system.

Refer to Chapter.3.2 to how to provide.

7 USB Host Device class driver (HDCD)

Provided by the customer as appropriate for the

system.

Refer to Chapter.3.3 to how to provide.

8 Application (APL)

Provided by the customer as appropriate for the

system.

In the same manner USB-BASIC-F/W comprises tasks that implement control functions for USB data transmit and

receive operations, USB-BASIC-F/W comprises tasks that implement control functions for USB data transmit and

receive operations. When an interrupt occurs, the selected function mode is checked and notification is sent by means of

a message to PCD/HCD.

Refer to the sample file ‘r_usb_PSMPL_apl.c’ and Figure. 4.2 for USB peripheral function.

Refer to the sample file ‘r_usb_HSMPL_apl.c’ and Fig. 4.3 for USB Host function.

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