UM0290 datasheet(9/76 Pages) STMICROELECTRONICS

9 / 76 page

UM0290

STR7/STR9 USB firmware library

9/76

Clear_Status_Out

void Clear_Status_Out(u8 bEpNum)

bEpNum = endpoint number

SetEPDoubleBuff

void SetEPDoubleBuff(u8 bEpNum)

ClearEPDoubleBuff

void ClearEPDoubleBuff(u8 bEpNum)

bEpNum = endpoint number

Correct Transfer Rx/Tx fields

ClearEP_CTR_RX

void ClearEP_CTR_RX(u8 bEpNum)

ClearEP_CTR_TX

void ClearEP_CTR_TX(u8 bEpNum)

bEpNum = endpoint number

Data Toggle Rx/Tx fields

ToggleDTOG_RX

void ToggleDTOG_RX(u8 bEpNum)

ToggleDTOG_TX

void ToggleDTOG_TX(u8 bEpNum)

bEpNum = endpoint number

Address field

SetEPAdress

void SetEPAddress(u8 bEpNum,u8 bAddr)

bEpNum = endpoint number

bAddr

= address to be set

GetEPAdress

BYTE GetEPAddress(u8 bEpNum)

bEpNum = endpoint number

Buffer description table functions: These functions are used to set or get the

endpoints’ receive and transmit buffer addresses and sizes.

Tx/Rx buffer address fields

SetEPTxAddr

: void SetEPTxAddr(u8 bEpNum,u16 wAddr);

SetEPRxAddr

: void SetEPRxAddr(u8 bEpNum,u16 wAddr);

bEpNum = endpoint number

wAddr

= address to be set (expressed as PMA buffer address)

GetEPTxAddr :

u16 GetEPTxAddr(u8 bEpNum);

GetEPRxAddr :

u16 GetEPRxAddr(u8 bEpNum);

bEpNum = endpoint number

return value : address value (expressed as PMA buffer address)

Tx/Rx buffer counter fields

SetEPTxCount :

void SetEPTxCount(u8 bEpNum,u16 wCount);

SetEPRxCount :

void SetEPRxCount(u8 bEpNum,u16 wCount);

bEpNum = endpoint number

wCount = counter to be set

GetEPTxCount :

u16 GetEPTxCount(u8 bEpNum);

GetEPRxCount

: u16 GetEPRxCount(u8 bEpNum);

bEpNum = endpoint number

return value : counter value

UM0290 Datasheet(PDF) 9 Page - STMicroelectronics

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