libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
Macros | Functions
usb_dwc_common.c File Reference
#include <string.h>
#include <libopencm3/cm3/common.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/dwc/otg_common.h>
#include "usb_private.h"
#include "usb_dwc_common.h"
Include dependency graph for usb_dwc_common.c:

Go to the source code of this file.

Macros

#define dev_base_address   (usbd_dev->driver->base_address)
 
#define REBASE(x)   MMIO32((x) + (dev_base_address))
 

Functions

void dwc_set_address (usbd_device *usbd_dev, uint8_t addr)
 
void dwc_ep_setup (usbd_device *usbd_dev, uint8_t addr, uint8_t type, uint16_t max_size, void(*callback)(usbd_device *usbd_dev, uint8_t ep))
 
void dwc_endpoints_reset (usbd_device *usbd_dev)
 
void dwc_ep_stall_set (usbd_device *usbd_dev, uint8_t addr, uint8_t stall)
 
uint8_t dwc_ep_stall_get (usbd_device *usbd_dev, uint8_t addr)
 
void dwc_ep_nak_set (usbd_device *usbd_dev, uint8_t addr, uint8_t nak)
 
uint16_t dwc_ep_write_packet (usbd_device *usbd_dev, uint8_t addr, const void *buf, uint16_t len)
 
uint16_t dwc_ep_read_packet (usbd_device *usbd_dev, uint8_t addr, void *buf, uint16_t len)
 
static void dwc_flush_txfifo (usbd_device *usbd_dev, int ep)
 
void dwc_poll (usbd_device *usbd_dev)
 
void dwc_disconnect (usbd_device *usbd_dev, bool disconnected)
 

Macro Definition Documentation

◆ dev_base_address

#define dev_base_address   (usbd_dev->driver->base_address)

Definition at line 30 of file usb_dwc_common.c.

◆ REBASE

#define REBASE (   x)    MMIO32((x) + (dev_base_address))

Definition at line 31 of file usb_dwc_common.c.

Function Documentation

◆ dwc_disconnect()

void dwc_disconnect ( usbd_device *  usbd_dev,
bool  disconnected 
)

Definition at line 441 of file usb_dwc_common.c.

References OTG_DCTL, OTG_DCTL_SDIS, and REBASE.

◆ dwc_endpoints_reset()

void dwc_endpoints_reset ( usbd_device *  usbd_dev)

Definition at line 115 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0_EPDIS, OTG_DIEPCTL0_EPENA, OTG_DOEPCTL, OTG_DOEPCTL0_EPDIS, OTG_DOEPCTL0_EPENA, OTG_GRSTCTL, OTG_GRSTCTL_RXFFLSH, OTG_GRSTCTL_TXFFLSH, OTG_GRSTCTL_TXFNUM_ALL, REBASE, and usbd_dev.

◆ dwc_ep_nak_set()

void dwc_ep_nak_set ( usbd_device *  usbd_dev,
uint8_t  addr,
uint8_t  nak 
)

Definition at line 177 of file usb_dwc_common.c.

References OTG_DOEPCTL, OTG_DOEPCTL0_CNAK, OTG_DOEPCTL0_SNAK, REBASE, and usbd_dev.

◆ dwc_ep_read_packet()

uint16_t dwc_ep_read_packet ( usbd_device *  usbd_dev,
uint8_t  addr,
void *  buf,
uint16_t  len 
)

Definition at line 241 of file usb_dwc_common.c.

References OTG_FIFO, REBASE, and usbd_dev.

Referenced by dwc_poll().

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◆ dwc_ep_setup()

void dwc_ep_setup ( usbd_device *  usbd_dev,
uint8_t  addr,
uint8_t  type,
uint16_t  max_size,
void(*)(usbd_device *usbd_dev, uint8_t ep)  callback 
)

Definition at line 38 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0, OTG_DIEPCTL0_CNAK, OTG_DIEPCTL0_EPENA, OTG_DIEPCTL0_MPSIZ_16, OTG_DIEPCTL0_MPSIZ_32, OTG_DIEPCTL0_MPSIZ_64, OTG_DIEPCTL0_MPSIZ_8, OTG_DIEPCTL0_SNAK, OTG_DIEPCTL0_USBAEP, OTG_DIEPCTLX_SD0PID, OTG_DIEPSIZ0_PKTCNT, OTG_DIEPSIZ0_STUPCNT_1, OTG_DIEPSIZ0_XFRSIZ_MASK, OTG_DIEPTSIZ, OTG_DIEPTSIZ0, OTG_DIEPTXF, OTG_DOEPCTL, OTG_DOEPCTL0_EPENA, OTG_DOEPCTL0_USBAEP, OTG_DOEPCTLX_SD0PID, OTG_DOEPTSIZ, OTG_GNPTXFSIZ, REBASE, and usbd_dev.

◆ dwc_ep_stall_get()

uint8_t dwc_ep_stall_get ( usbd_device *  usbd_dev,
uint8_t  addr 
)

Definition at line 165 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0_STALL, OTG_DOEPCTL, OTG_DOEPCTL0_STALL, and REBASE.

◆ dwc_ep_stall_set()

void dwc_ep_stall_set ( usbd_device *  usbd_dev,
uint8_t  addr,
uint8_t  stall 
)

Definition at line 136 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0_STALL, OTG_DIEPCTLX_SD0PID, OTG_DOEPCTL, OTG_DOEPCTL0_STALL, OTG_DOEPCTLX_SD0PID, and REBASE.

◆ dwc_ep_write_packet()

uint16_t dwc_ep_write_packet ( usbd_device *  usbd_dev,
uint8_t  addr,
const void *  buf,
uint16_t  len 
)

Definition at line 193 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0_CNAK, OTG_DIEPCTL0_EPENA, OTG_DIEPSIZ0_PKTCNT, OTG_DIEPTSIZ, OTG_FIFO, and REBASE.

◆ dwc_flush_txfifo()

static void dwc_flush_txfifo ( usbd_device *  usbd_dev,
int  ep 
)
static

Definition at line 300 of file usb_dwc_common.c.

References OTG_DIEPCTL, OTG_DIEPCTL0_SNAK, OTG_DIEPCTL0_TXFNUM_MASK, OTG_DIEPINT, OTG_DIEPINTX_INEPNE, OTG_DIEPTSIZ, OTG_GRSTCTL, OTG_GRSTCTL_AHBIDL, OTG_GRSTCTL_TXFFLSH, and REBASE.

Referenced by dwc_poll().

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◆ dwc_poll()

void dwc_poll ( usbd_device *  usbd_dev)

Definition at line 324 of file usb_dwc_common.c.

References _usbd_reset(), dwc_ep_read_packet(), dwc_flush_txfifo(), OTG_DIEPINT, OTG_DIEPINTX_XFRC, OTG_DIEPSIZ0_PKTCNT, OTG_DIEPTSIZ, OTG_DOEPCTL, OTG_DOEPCTL0_CNAK, OTG_DOEPCTL0_EPENA, OTG_DOEPCTL0_SNAK, OTG_DOEPTSIZ, OTG_FIFO, OTG_GINTMSK, OTG_GINTMSK_SOFM, OTG_GINTSTS, OTG_GINTSTS_ENUMDNE, OTG_GINTSTS_RXFLVL, OTG_GINTSTS_SOF, OTG_GINTSTS_USBSUSP, OTG_GINTSTS_WKUPINT, OTG_GRXSTSP, OTG_GRXSTSP_BCNT_MASK, OTG_GRXSTSP_EPNUM_MASK, OTG_GRXSTSP_PKTSTS_MASK, OTG_GRXSTSP_PKTSTS_OUT, OTG_GRXSTSP_PKTSTS_OUT_COMP, OTG_GRXSTSP_PKTSTS_SETUP, OTG_GRXSTSP_PKTSTS_SETUP_COMP, REBASE, and usbd_dev.

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◆ dwc_set_address()

void dwc_set_address ( usbd_device *  usbd_dev,
uint8_t  addr 
)

Definition at line 33 of file usb_dwc_common.c.

References OTG_DCFG, and REBASE.