usb.c File Reference

#include <usb.h>
#include <hal.h>
#include <systick.h>
#include <exti.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <boards.h>

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Go to the source code of this file.

Macros
#define	USB_CDCACM_CONTROL_LINE_DTR   (0x01)
#define	USB_CDCACM_CONTROL_LINE_RTS   (0x02)

Typedefs
typedef uint8_t	U8
typedef uint32_t	U32
typedef uint16_t	U16

Enumerations
enum	reset_state_t { DTR_UNSET, DTR_HIGH, DTR_NEGEDGE, DTR_LOW }

Functions
uint32_t	USBD_OTG_ISR_Handler (const USB_OTG_CORE_HANDLE *pdev)
static U16	VCP_Init (void)
static U16	VCP_DeInit (void)
static U16	VCP_Ctrl (uint32_t Cmd, uint8_t *Buf, uint32_t Len)
static U16	VCP_DataTx (const uint8_t *Buf, uint32_t Len)
static U16	VCP_DataRx (uint8_t *Buf, uint32_t Len)
void	OTG_FS_IRQHandler (void)
U8 *	USBD_USR_DeviceDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_LangIDStrDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_ProductStrDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_ManufacturerStrDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_SerialStrDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_ConfigStrDescriptor (U8 speed, U16 *length)
U8 *	USBD_USR_InterfaceStrDescriptor (U8 speed, U16 *length)
void	USBD_USR_Init (void)
void	USBD_USR_DeviceReset (uint8_t speed)
void	USBD_USR_DeviceConfigured (void)
void	USBD_USR_DeviceSuspended (void)
void	USBD_USR_DeviceResumed (void)
void	USBD_USR_DeviceConnected (void)
void	USBD_USR_DeviceDisconnected (void)
void	usb_default_attr (usb_attr_t *attr)
void	USB_OTG_BSP_Init (USB_OTG_CORE_HANDLE *pdev)
int	usb_periphcfg (FunctionalState state)
int	usb_configure (usb_attr_t *attr)
void	usb_setParams (usb_attr_t *attr)
void	USB_OTG_BSP_EnableInterrupt (USB_OTG_CORE_HANDLE *pdev)
void	USB_OTG_BSP_DisableInterrupt ()
void	USB_OTG_BSP_mDelay (const uint32_t msec)
void	VCP_MarkWritten (unsigned sz)
unsigned	VCP_SpaceAvailContig (void)
unsigned	VCP_PutContig (void const *buff, unsigned len)
unsigned	VCP_SpaceAvail (void)
unsigned	VCP_DataAvail (void)
void	VCP_MarkRead (unsigned sz)
unsigned	VCP_GetContig (void *buff, unsigned max_len)
unsigned	VCP_DataAvailContig (void)
int	usb_open (void)
int	usb_close (void)
uint8_t	is_usb_connected (usb_attr_t *attr)
int	usb_ioctl (int request, void *ctl)
void	USB_OTG_BSP_uDelay (const uint32_t usec)
int	usb_write (const uint8_t *buf, unsigned int nbytes)
int	usb_read (void *buf, unsigned int nbytes)
uint32_t	usb_data_available (void)
bool	usb_get_dtr ()
void	usb_reset_rx ()
void	usb_reset_tx ()
uint16_t	usb_tx_pending (void)
uint16_t	usb_tx_space (void)
void	VCP_SetUSBTxBlocking (uint8_t Mode)
uint8_t	is_usb_opened ()
void	reset_usb_opened ()

Variables
USB_OTG_CORE_HANDLE	USB_OTG_dev
__ALIGN_BEGIN USB_OTG_CORE_HANDLE USB_OTG_dev	__ALIGN_END
static usb_attr_t *	usb_attr
static volatile U8	VCP_DTRHIGH = 0
static volatile U8	VCP_RTSHIGH = 0
static enum reset_state_t	reset_state = DTR_UNSET
static const U16	rxfifo_size = USB_RXFIFO_SIZE
static ring_buffer _rxfifo	IN_CCM
static ring_buffer *	rxfifo = &_rxfifo
static uint8_t	rx_buf [USB_RXFIFO_SIZE]
static U8	preempt_prio
static U8	sub_prio
static U8	usb_ready
static U8	UsbTXBlock = 1
LINE_CODING	linecoding
U8	APP_Rx_Buffer []
U32	APP_Rx_ptr_in
const CDC_IF_Prop_TypeDef	VCP_fops
const USBD_Usr_cb_TypeDef	USR_cb
static const USBD_DEVICE	USR_CDC_desc
static U8	usb_connected =0
static U8	usb_opened =0

Macro Definition Documentation

USB_CDCACM_CONTROL_LINE_DTR

#define USB_CDCACM_CONTROL_LINE_DTR   (0x01)

Referenced by VCP_Ctrl().

USB_CDCACM_CONTROL_LINE_RTS

#define USB_CDCACM_CONTROL_LINE_RTS   (0x02)

Referenced by VCP_Ctrl().

Typedef Documentation

U16

typedef uint16_t U16

Definition at line 30 of file usb.c.

U32

typedef uint32_t U32

Definition at line 29 of file usb.c.

U8

typedef uint8_t U8

Definition at line 28 of file usb.c.

Enumeration Type Documentation

reset_state_t

enum reset_state_t

Enumerator
DTR_UNSET
DTR_HIGH
DTR_NEGEDGE
DTR_LOW

Definition at line 42 of file usb.c.

Function Documentation

is_usb_connected()

uint8_t is_usb_connected

(

usb_attr_t *

attr

)

Definition at line 705 of file usb.c.

Referenced by usb_ioctl().

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is_usb_opened()

uint8_t is_usb_opened

(

)

Definition at line 794 of file usb.c.

Referenced by F4Light::USBDriver::read(), and F4Light::USBDriver::write().

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OTG_FS_IRQHandler()

void OTG_FS_IRQHandler

(

void

)

Definition at line 168 of file usb.c.

Referenced by VCP_SpacePtr().

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reset_usb_opened()

void reset_usb_opened

(

)

Definition at line 795 of file usb.c.

Referenced by F4Light::USBDriver::write().

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usb_close()

int usb_close

(

void

)

Definition at line 688 of file usb.c.

Referenced by F4Light::USBDriver::end().

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usb_configure()

int usb_configure

(

usb_attr_t *

attr

)

Definition at line 350 of file usb.c.

Referenced by usb_init(), and usb_ioctl().

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usb_data_available()

uint32_t usb_data_available

(

void

)

Definition at line 764 of file usb.c.

Referenced by F4Light::USBDriver::available().

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usb_default_attr()

void usb_default_attr

(

usb_attr_t *

attr

)

Definition at line 296 of file usb.c.

Referenced by usb_init().

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usb_get_dtr()

bool usb_get_dtr

(

)

Definition at line 768 of file usb.c.

usb_ioctl()

int usb_ioctl	(	int	request,
		void *	ctl
	)

Definition at line 716 of file usb.c.

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usb_open()

int usb_open

(

void

)

Definition at line 674 of file usb.c.

Referenced by usb_init().

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USB_OTG_BSP_DisableInterrupt()

void USB_OTG_BSP_DisableInterrupt

(

)

Definition at line 388 of file usb.c.

Referenced by usb_periphcfg().

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usb_periphcfg()

int usb_periphcfg

(

FunctionalState

state

)

Definition at line 314 of file usb.c.

Referenced by usb_close(), usb_open(), and VCP_SpacePtr().

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usb_read()

int usb_read	(	void *	buf,
		unsigned int	nbytes
	)

Definition at line 760 of file usb.c.

Referenced by usb_getc().

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usb_reset_rx()

void usb_reset_rx

(

)

Definition at line 772 of file usb.c.

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usb_reset_tx()

void usb_reset_tx

(

)

Definition at line 776 of file usb.c.

usb_setParams()

void usb_setParams

(

usb_attr_t *

attr

)

Definition at line 365 of file usb.c.

Referenced by usb_configure().

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usb_tx_pending()

uint16_t usb_tx_pending

(

void

)

Definition at line 780 of file usb.c.

Referenced by usb_getc().

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usb_tx_space()

uint16_t usb_tx_space

(

void

)

Definition at line 784 of file usb.c.

Referenced by F4Light::USBDriver::txspace().

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usb_write()

int usb_write	(	const uint8_t *	buf,
		unsigned int	nbytes
	)

Definition at line 756 of file usb.c.

Referenced by usb_putc(), and F4Light::USBDriver::write().

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USBD_OTG_ISR_Handler()

uint32_t USBD_OTG_ISR_Handler

(

const USB_OTG_CORE_HANDLE *

pdev

)

Referenced by OTG_FS_IRQHandler().

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VCP_Ctrl()

static U16 VCP_Ctrl ( uint32_t  Cmd, uint8_t *  Buf, uint32_t  Len  )

static

Definition at line 444 of file usb.c.

VCP_DataAvail()

unsigned VCP_DataAvail

(

void

)

Definition at line 609 of file usb.c.

Referenced by usb_data_available().

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VCP_DataAvailContig()

unsigned VCP_DataAvailContig

(

void

)

Definition at line 636 of file usb.c.

Referenced by VCP_GetContig().

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VCP_DataRx()

static U16 VCP_DataRx ( uint8_t *  Buf, uint32_t  Len  )

static

Definition at line 644 of file usb.c.

Referenced by usb_read().

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VCP_DataTx()

U16 VCP_DataTx ( const uint8_t *  Buf, uint32_t  Len  )

static

Definition at line 583 of file usb.c.

Referenced by usb_write().

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VCP_DeInit()

static U16 VCP_DeInit ( void  )

static

Definition at line 431 of file usb.c.

VCP_GetContig()

unsigned VCP_GetContig	(	void *	buff,
		unsigned	max_len
	)

Definition at line 625 of file usb.c.

Referenced by VCP_DataRx().

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VCP_Init()

static U16 VCP_Init ( void  )

static

Definition at line 419 of file usb.c.

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VCP_MarkRead()

void VCP_MarkRead

(

unsigned

sz

)

Definition at line 618 of file usb.c.

Referenced by VCP_GetContig(), and VCP_SpacePtr().

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VCP_MarkWritten()

void VCP_MarkWritten

(

unsigned

sz

)

Definition at line 549 of file usb.c.

Referenced by VCP_PutContig(), and VCP_SpacePtr().

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VCP_PutContig()

unsigned VCP_PutContig	(	void const *	buff,
		unsigned	len
	)

Definition at line 564 of file usb.c.

Referenced by VCP_DataTx().

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VCP_SetUSBTxBlocking()

void VCP_SetUSBTxBlocking

(

uint8_t

Mode

)

Definition at line 789 of file usb.c.

Referenced by VCP_SpacePtr().

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VCP_SpaceAvail()

unsigned VCP_SpaceAvail

(

void

)

Definition at line 575 of file usb.c.

Referenced by usb_tx_pending(), and usb_tx_space().

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VCP_SpaceAvailContig()

unsigned VCP_SpaceAvailContig

(

void

)

Definition at line 556 of file usb.c.

Referenced by VCP_PutContig().

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Variable Documentation

__ALIGN_END

const __ALIGN_BEGIN U8 USBD_LangIDDesc [USB_SIZ_STRING_LANGID] __ALIGN_END

Initial value:

=
  {
    0x12,                       
    USB_DEVICE_DESCRIPTOR_TYPE, 
    0x00,                       
    0x02,
    0x00,                       
    0x00,                       
    0x00,                       
    USB_OTG_MAX_EP0_SIZE,      
    LOBYTE(USBD_VID),           
    HIBYTE(USBD_VID),           
    LOBYTE(USBD_PID),           
    HIBYTE(USBD_PID),           
    0x00,                       
    0x02,
    USBD_IDX_MFC_STR,           
    USBD_IDX_PRODUCT_STR,       
    USBD_IDX_SERIAL_STR,        
    USBD_CFG_MAX_NUM            
  }

Definition at line 36 of file usb.c.

APP_Rx_Buffer

U8 APP_Rx_Buffer[]

APP_Rx_ptr_in

U32 APP_Rx_ptr_in

Referenced by usb_reset_tx().

IN_CCM

ring_buffer _rxfifo IN_CCM

static

Definition at line 54 of file usb.c.

linecoding

LINE_CODING linecoding

Initial value:

= 
  {
    115200, 
    0x00,   
    0x00,   
    0x08    
  }

Definition at line 69 of file usb.c.

preempt_prio

U8 preempt_prio

static

Definition at line 63 of file usb.c.

Referenced by usb_open(), USB_OTG_BSP_EnableInterrupt(), and usb_setParams().

reset_state

enum reset_state_t reset_state = DTR_UNSET

static

Definition at line 49 of file usb.c.

Referenced by VCP_Ctrl().

rx_buf

uint8_t rx_buf[USB_RXFIFO_SIZE]

static

Definition at line 60 of file usb.c.

Referenced by F4Light::UART_PPM::UART_PPM(), and VCP_Init().

rxfifo

ring_buffer* rxfifo = &_rxfifo

static

Definition at line 57 of file usb.c.

rxfifo_size

const U16 rxfifo_size = USB_RXFIFO_SIZE

static

Definition at line 51 of file usb.c.

Referenced by VCP_Init().

sub_prio

U8 sub_prio

static

Definition at line 63 of file usb.c.

Referenced by usb_open(), and usb_setParams().

usb_attr

usb_attr_t* usb_attr

static

Definition at line 38 of file usb.c.

Referenced by usb_init(), and usb_ioctl().

usb_connected

U8 usb_connected =0

static

Definition at line 184 of file usb.c.

Referenced by Linux::GPIO_Sysfs::from(), is_usb_connected(), AP_HAL::GPIO::pinMode(), usb_open(), USBD_USR_DeviceConfigured(), USBD_USR_DeviceConnected(), USBD_USR_DeviceDisconnected(), USBD_USR_DeviceResumed(), USBD_USR_DeviceSuspended(), USBD_USR_Init(), and VCP_Ctrl().

usb_opened

U8 usb_opened =0

static

Definition at line 185 of file usb.c.

Referenced by is_usb_opened(), reset_usb_opened(), USBD_USR_DeviceConfigured(), USBD_USR_DeviceConnected(), USBD_USR_DeviceDisconnected(), USBD_USR_DeviceResumed(), USBD_USR_DeviceSuspended(), USBD_USR_Init(), VCP_Ctrl(), and VCP_DataRx().

USB_OTG_dev

USB_OTG_CORE_HANDLE USB_OTG_dev

usb_ready

U8 usb_ready

static

Definition at line 64 of file usb.c.

Referenced by usb_close(), usb_configure(), and usb_open().

UsbTXBlock

U8 UsbTXBlock = 1

static

Definition at line 66 of file usb.c.

Referenced by VCP_SetUSBTxBlocking().

USR_CDC_desc

const USBD_DEVICE USR_CDC_desc

static

Initial value:

=
{
  USBD_USR_DeviceDescriptor,
  USBD_USR_LangIDStrDescriptor, 
  USBD_USR_ManufacturerStrDescriptor,
  USBD_USR_ProductStrDescriptor,
  USBD_USR_SerialStrDescriptor,
  USBD_USR_ConfigStrDescriptor,
  USBD_USR_InterfaceStrDescriptor,
  
}

Definition at line 116 of file usb.c.

VCP_DTRHIGH

volatile U8 VCP_DTRHIGH = 0

static

Definition at line 39 of file usb.c.

Referenced by usb_get_dtr(), VCP_Ctrl(), and VCP_DataRx().

VCP_fops

const CDC_IF_Prop_TypeDef VCP_fops

Initial value:

= 
{
  VCP_Init,
  VCP_DeInit,
  VCP_Ctrl,
  VCP_DataTx,
  VCP_DataRx
}

Definition at line 94 of file usb.c.

VCP_RTSHIGH

volatile U8 VCP_RTSHIGH = 0

static

Definition at line 40 of file usb.c.

Referenced by VCP_Ctrl().