USB Device driver Compliance with common driver UDD.
Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.
#include "conf_usb.h"#include "sysclk.h"#include "udd.h"#include "usb_device.h"#include <string.h>#include "sleepmgr.h"Data Structures | |
| struct | udd_sram_data |
| USB SRAM data about fifo, endpoint descriptor table and frame number. More... | |
Macros | |
| #define | UDD_EP_t USB_EP_t volatile |
| #define | UDD_USB_INT_LEVEL USB_INTLVL_LO_gc |
Functions | |
| ISR (USB_BUSEVENT_vect) | |
| Function called by USB bus event interrupt. More... | |
| ISR (USB_TRNCOMPL_vect) | |
| Function called by USB transfer complete interrupt. 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... | |
| static UDD_EP_t * | udd_ep_get_ctrl (udd_ep_id_t ep) |
| static void | udd_ep_init (udd_ep_id_t ep, uint8_t bmAttributes, uint16_t MaxEndpointSize) |
| 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. | |
| #define | USBC_SLEEP_MODE_USB_SUSPEND SLEEPMGR_PDOWN |
| Definition of sleep levels. More... | |
| #define | USBC_SLEEP_MODE_USB_IDLE SLEEPMGR_IDLE |
| static bool | udd_b_idle |
| State of USB line. More... | |
| static void | udd_sleep_mode (bool b_idle) |
| Authorize or not the CPU powerdown mode. More... | |
Control endpoint low level management routine. | |
This function performs control endpoint management. It handle the SETUP/DATA/HANDSHAKE phases of a control transaction. | |
| udd_ctrl_ep_state_t | |
| 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 uint8_t | udd_ctrl_buffer [USB_DEVICE_EP_CTRL_SIZE] |
| Buffer to store the data received on control endpoint (SETUP/OUT endpoint 0) 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_underflow (void) |
| Managed underflow event of IN packet on control endpoint It is used to detect a DATA phase stopped by the host via a ZLP request. More... | |
| static void | udd_ctrl_overflow (void) |
| Managed overflow event of OUT packet on control endpoint It is used to detect a DATA phase stopped by the host via a ZLP request. 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_error (void) |
| Sub interrupt routine to manage error on control endpoint. More... | |
| static bool | udd_ctrl_interrupt_tc_setup (void) |
| Sub interrupt routine to manage a SETUP transfer complete on control endpoint. More... | |
| #define UDD_EP_t USB_EP_t volatile |
Referenced by ISR(), and udd_ep_init().
| #define UDD_USB_INT_LEVEL USB_INTLVL_LO_gc |
Referenced by udd_enable().
1.8.5