USB Device Driver for UDP.
Compliant with common UDD driver.
Copyright (c) 2012-2018 Microchip Technology Inc. and its subsidiaries.
#include "conf_usb.h"
#include "sysclk.h"
#include "udd.h"
#include "udp_device.h"
#include <string.h>
Macros | |
#define | UDC_VBUS_EVENT(present) |
#define | UDD_USB_INT_FUN UDP_Handler |
#define | UDD_USB_INT_LEVEL 5 |
Functions | |
ISR (UDD_USB_INT_FUN) | |
Function called by UDP interrupt to manage USB Device interrupts. More... | |
void | udd_attach (void) |
Attach device to the bus when possible. More... | |
void | udd_detach (void) |
Detaches the device from the bus. More... | |
void | udd_disable (void) |
Disables the USB Device mode. More... | |
void | udd_enable (void) |
Enables the USB Device mode. More... | |
uint16_t | udd_get_frame_number (void) |
Returns the current start of frame number. More... | |
uint16_t | udd_get_micro_frame_number (void) |
Returns the current micro start of frame number. More... | |
uint8_t | udd_getaddress (void) |
Returns the USB address of device. More... | |
bool | udd_include_vbus_monitoring (void) |
Authorizes the VBUS event. More... | |
bool | udd_is_high_speed (void) |
Test whether the USB Device Controller is running at high speed or not. More... | |
void | udd_send_remotewakeup (void) |
The USB driver sends a resume signal called Upstream Resume. More... | |
void | udd_set_address (uint8_t address) |
Changes the USB address of device. More... | |
void | udd_set_setup_payload (uint8_t *payload, uint16_t payload_size) |
Load setup payload. More... | |
Power management routine. | |
static void | udd_sleep_mode (bool b_idle) |
Control endpoint low level management routine. | |
This function performs control endpoint management. It handle the SETUP/DATA/HANDSHAKE phases of a control transaction. | |
enum | udd_ctrl_ep_state_t { UDD_EPCTRL_SETUP = 0, UDD_EPCTRL_DATA_OUT = 1, UDD_EPCTRL_DATA_IN = 2, UDD_EPCTRL_HANDSHAKE_WAIT_IN_ZLP = 3, UDD_EPCTRL_HANDSHAKE_WAIT_OUT_ZLP = 4, UDD_EPCTRL_STALL_REQ = 5 } |
Bit definitions about endpoint control state machine for udd_ep_control_state. More... | |
COMPILER_WORD_ALIGNED udd_ctrl_request_t | udd_g_ctrlreq |
Global variable to give and record information about setup request management. More... | |
static udd_ctrl_ep_state_t | udd_ep_control_state |
State of the endpoint control management. More... | |
static uint16_t | udd_ctrl_prev_payload_nb_trans |
Total number of data received/sent during data packet phase with previous payload buffers. More... | |
static uint16_t | udd_ctrl_payload_nb_trans |
Number of data received/sent to/from udd_g_ctrlreq.payload buffer. More... | |
static void | udd_reset_ep_ctrl (void) |
Reset control endpoint. More... | |
static void | udd_ctrl_init (void) |
Reset control endpoint management. More... | |
static void | udd_ctrl_setup_received (void) |
Managed reception of SETUP packet on control endpoint. More... | |
static void | udd_ctrl_in_sent (void) |
Managed reception of IN packet on control endpoint. More... | |
static void | udd_ctrl_out_received (void) |
Managed reception of OUT packet on control endpoint. More... | |
static void | udd_ctrl_stall_data (void) |
Managed stall event of IN/OUT packet on control endpoint. More... | |
static void | udd_ctrl_send_zlp_in (void) |
Send a ZLP IN on control endpoint. More... | |
static void | udd_ctrl_send_zlp_out (void) |
Send a ZLP OUT on control endpoint. More... | |
static void | udd_ctrl_endofrequest (void) |
Call callback associated to setup request. More... | |
static bool | udd_ctrl_interrupt (void) |
Main interrupt routine for control endpoint. More... | |
#define UDD_USB_INT_LEVEL 5 |
Referenced by udd_enable().