| | |
| | | 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, |
| | | 0x40 |
| | | }; |
| | | |
| | | /* |
| | | uint16_t crc16table(const uint8_t *ptr, uint16_t len) |
| | | { |
| | | uint8_t crchi = 0xff; |
| | |
| | | } |
| | | return (crchi << 8 | crclo); |
| | | } |
| | | */ |
| | | const uint16_t crctalbeabs[] = { |
| | | 0x0000, 0xCC01, 0xD801, 0x1400, 0xF001, 0x3C00, 0x2800, 0xE401, |
| | | 0xA001, 0x6C00, 0x7800, 0xB401, 0x5000, 0x9C01, 0x8801, 0x4400 |
| | | }; |
| | | |
| | | uint16_t crc16tablefast(const uint8_t *ptr, uint16_t len) |
| | | { |
| | | uint16_t crc = 0xffff; |
| | | uint16_t i; |
| | | uint8_t ch; |
| | | |
| | | for (i = 0; i < len; i++) { |
| | | ch = *ptr++; |
| | | crc = crctalbeabs[(ch ^ crc) & 15] ^ (crc >> 4); |
| | | crc = crctalbeabs[((ch >> 4) ^ crc) & 15] ^ (crc >> 4); |
| | | } |
| | | |
| | | return crc; |
| | | } |
| | | |
| | | /* |
| | | void modbuscrc16test() |
| | | { |
| | |
| | | { |
| | | for (int i=0;i<nUs;i++) |
| | | for (volatile int j=0;j<24;j++) |
| | | { |
| | | __nop(); |
| | | } |
| | | } |
| | | void Delay100nS(int n100nS) |
| | | { |
| | | for (int i=0;i<n100nS;i++) |
| | | for (volatile int j=0;j<1;j++) |
| | | { |
| | | __nop(); |
| | | } |
| | |
| | | // NVIC_SetPendingIRQ(PendSV_IRQn); |
| | | // SCB->ICSR=SCB_ICSR_PENDSVSET_Msk; //1<<SCB_ICSR_PENDSVSET_Pos; |
| | | |
| | | if (Uart1RecvBuf1DataLen >0) |
| | | if (Uart1RxBuf1DataLen >0) |
| | | { |
| | | Uart1Stat.bPacketRecved=1; |
| | | // SCB->ICSR=SCB_ICSR_PENDSVSET_Msk; //1<<SCB_ICSR_PENDSVSET_Pos; |
| | | // KLParsePacket(Uart1RecvBuf1,Uart1RecvBuf1DataLen); |
| | | // Uart1RecvBuf1DataLen=0; |
| | | TriggerPendSV(); |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | void Uart2RecvDone() |
| | | { |
| | | Uart2RecvBuf1DataLen=sizeof(Uart2RecvBuf1) - LL_DMA_GetDataLength(DMA1,LL_DMA_CHANNEL_5); |
| | | Uart2RxBuf1DataLen=sizeof(Uart2RxBuf1) - LL_DMA_GetDataLength(DMA1,LL_DMA_CHANNEL_5); |
| | | Uart2Stat.bPacketRecved=1; |
| | | Uart2Stat.IdelCount++; |
| | | if (Uart2RecvBuf1DataLen>0) |
| | | if (Uart2RxBuf1DataLen>0) |
| | | TriggerPendSV(); |
| | | // ParsePacket((pKBPacket)Uart2RecvBuf1,Uart2RecvBuf1DataLen); |
| | | } |
| | |
| | | int SendPacket(int nChn, void * pBuf,int len1) |
| | | { |
| | | if (nChn==1) { |
| | | PutStr1((char *)pBuf,len1); |
| | | Uart1SendDMA(pBuf, len1); |
| | | // PutStr1((char *)pBuf,len1); |
| | | // PushIn(&Uart1Stat.QTx,p1,len1); |
| | | // Uart1TriggerSendDMA(); |
| | | |
| | |
| | | else {LL_GPIO_ResetOutputPin(GPIOC,LL_GPIO_PIN_15);} |
| | | } |
| | | #else |
| | | void ToggleOutStat() { LL_GPIO_TogglePin(GPIOA,LL_GPIO_PIN_11);} |
| | | void ToggleOutStat() { } //LL_GPIO_TogglePin(GPIOA,LL_GPIO_PIN_11);} |
| | | |
| | | void SetOutStat(uchar bOn) |
| | | { |
| | | if (bOn) {LL_GPIO_SetOutputPin(GPIOA,LL_GPIO_PIN_11);} |
| | | else {LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_11);} |
| | | // if (bOn) {LL_GPIO_SetOutputPin(GPIOA,LL_GPIO_PIN_11);} |
| | | // else {LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_11);} |
| | | } |
| | | #endif |
| | | |
| | |
| | | __disable_irq(); |
| | | STRCLK2_1(); |
| | | LL_SPI_TransmitData8(SPI2,Y>>8); |
| | | int i=0; |
| | | while (LL_SPI_IsActiveFlag_TXE(SPI2) == RESET) |
| | | { |
| | | } |
| | | KMem.SDD[28]=i; |
| | | i=0; |
| | | while (LL_SPI_IsActiveFlag_BSY(SPI2) == SET) |
| | | { |
| | | i++; |
| | | } |
| | | |
| | | while (LL_SPI_IsActiveFlag_TXE(SPI2) == RESET) { } |
| | | |
| | | while (LL_SPI_IsActiveFlag_BSY(SPI2) == SET) { } |
| | | LL_SPI_TransmitData8(SPI2,Y); |
| | | while (LL_SPI_IsActiveFlag_TXE(SPI2) == RESET) |
| | | { |
| | | } |
| | | KMem.SDD[28]=i; |
| | | i=0; |
| | | while (LL_SPI_IsActiveFlag_BSY(SPI2) == SET) |
| | | { |
| | | i++; |
| | | } |
| | | KMem.SDD[30]=i; |
| | | while (LL_SPI_IsActiveFlag_TXE(SPI2) == RESET) { } |
| | | |
| | | while (LL_SPI_IsActiveFlag_BSY(SPI2) == SET) { } |
| | | |
| | | STRCLK2_0(); |
| | | STRCLK2_1(); |
| | | __enable_irq(); |
| | |
| | | STRCLK1_1(); |
| | | __enable_irq(); |
| | | } |
| | | |
| | | |
| | | #define W25X_WriteEnable 0x06 |
| | | #define W25X_WriteDisable 0x04 |
| | | #define W25X_ReadStatusReg 0x05 |
| | | #define W25X_ReadStatusReg2 0x35 |
| | | #define W25X_WriteStatusReg 0x01 |
| | | #define W25X_ReadData 0x03 |
| | | #define W25X_FastReadData 0x0B |
| | | #define W25X_FastReadDual 0x3B |
| | | #define W25X_PageProgram 0x02 |
| | | #define W25X_BlockErase 0xD8 |
| | | #define W25X_SectorErase 0x20 |
| | | #define W25X_ChipErase 0xC7 |
| | | #define W25X_PowerDown 0xB9 |
| | | #define W25X_ReleasePowerDown 0xAB |
| | | #define W25X_DeviceID 0xAB |
| | | #define W25X_ManufactDeviceID 0x90 |
| | | #define W25X_JedecDeviceID 0x9F |
| | | #define W25X_ReadUniqueID 0x4B |
| | | |
| | | |
| | | //W25X??/Q?????? |
| | | //W25Q80 ID 0XEF13 |
| | | //W25Q16 ID 0XEF14 |
| | | //W25Q32 ID 0XEF15 |
| | | //W25Q32 ID 0XEF16 |
| | | |
| | | #define W25Q80 0XEF13 |
| | | #define W25Q16 0XEF14 |
| | | #define W25Q32 0XEF15 |
| | | #define W25Q64 0XEF16 |
| | | #define W25Q128 0xEF17 |
| | | //????? |
| | | #define SPI1_FLASH_CS PAout[15] //??FLASH,???????PB12? |
| | | #define SPI1_CS_EN LL_GPIO_ResetOutputPin(GPIOA,LL_GPIO_PIN_15) |
| | | #define SPI1_CS_NA LL_GPIO_SetOutputPin(GPIOA,LL_GPIO_PIN_15) |
| | | |
| | | |
| | | |
| | | uint8_t SPI_Tranceive8(SPI_TypeDef * SPIx, uint8_t Y) |
| | | { |
| | | int i=0; |
| | | while (LL_SPI_IsActiveFlag_TXE(SPIx) == RESET){ DelayUs(1);i++; if (i>3200) break; } |
| | | LL_SPI_TransmitData8(SPIx,Y); |
| | | i=0; |
| | | while (LL_SPI_IsActiveFlag_BSY(SPIx) == SET) { DelayUs(1);i++; if (i>3200) break;} |
| | | i=0; |
| | | while (LL_SPI_IsActiveFlag_RXNE(SPIx) == RESET) { DelayUs(1);i++; if (i>3200) break;} |
| | | Y = LL_SPI_ReceiveData8(SPIx); |
| | | return Y; |
| | | } |
| | | |
| | | uint8_t SPI_Transmit(SPI_TypeDef * SPIx, uint8_t * tData, uint8_t nLen, uint8_t timeout) |
| | | { |
| | | int nToSend=nLen; |
| | | while(nLen > 0) |
| | | { |
| | | if (LL_SPI_IsActiveFlag_TXE(SPI1) && nToSend>0) { |
| | | LL_SPI_TransmitData8(SPI1,*tData++); nToSend--; |
| | | } |
| | | if (LL_SPI_IsActiveFlag_RXNE(SPI1)) { |
| | | LL_SPI_ReceiveData8(SPI1); |
| | | nLen--; |
| | | } |
| | | } |
| | | |
| | | return 0; |
| | | for (int i=0;i<nLen;i++) { |
| | | SPI_Tranceive8(SPIx, tData[i]); |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | uint8_t SPI_TransmitReceive(SPI_TypeDef * SPIx, uint8_t * tData, uint8_t * rData, uint8_t nLen, uint8_t timeout) |
| | | { |
| | | for (int i=0;i<nLen;i++) { |
| | | // rData[i] = SPI_Tranceive8(SPIx, tData[i]); |
| | | __IO uint32_t * pSR = &(SPI1->SR); |
| | | int j=0; |
| | | while ((* pSR & SPI_SR_TXE) == RESET){ } |
| | | LL_SPI_TransmitData8(SPIx,tData[i]); |
| | | j=0; |
| | | // while (LL_SPI_IsActiveFlag_BSY(SPIx) == SET) { DelayUs(1);j++; if (j>3200) break;} |
| | | // i=0; |
| | | while (LL_SPI_IsActiveFlag_RXNE(SPIx) == RESET) { } |
| | | rData[i] = LL_SPI_ReceiveData8(SPIx); |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | uint8_t SPI1_Tranceive(uint8_t * tData, uint8_t * rData, uint8_t nLen) |
| | | { |
| | | register int nToSend=nLen; |
| | | // /* |
| | | __IO uint32_t * pSR = &(SPI1->SR); |
| | | __IO uint8_t * pDR = (__IO uint8_t *)&(SPI1->DR); |
| | | __disable_irq(); |
| | | while(nLen >0) |
| | | { |
| | | if (*pSR & SPI_SR_TXE && nToSend>0) { |
| | | LL_SPI_TransmitData8(SPI1,*tData++); nToSend--; |
| | | } |
| | | if (*pSR & SPI_SR_RXNE) { |
| | | *rData++ = * pDR; |
| | | nLen--; // if (nLen == 0) break; |
| | | } |
| | | } |
| | | |
| | | // */ |
| | | /* |
| | | while(nLen > 0) |
| | | { |
| | | if (LL_SPI_IsActiveFlag_TXE(SPI1) && nToSend>0) { |
| | | LL_SPI_TransmitData8(SPI1,*tData++); nToSend--; |
| | | } |
| | | if (LL_SPI_IsActiveFlag_RXNE(SPI1)) { |
| | | *rData++ = LL_SPI_ReceiveData8(SPI1); |
| | | nLen--; // if (nLen == 0) break; |
| | | } |
| | | } |
| | | // */ |
| | | __enable_irq(); |
| | | return nLen; |
| | | } |
| | | |
| | | |
| | | uint8_t SPI1_Flash_ReadSR(void) |
| | | { |
| | | uint8_t Data1[2]= {W25X_ReadStatusReg,0x00}; |
| | | uint8_t Rxdata[2]; |
| | | uint8_t byte=0; |
| | | SPI1_CS_EN; |
| | | SPI1_Tranceive(Data1,Rxdata,2); |
| | | SPI1_CS_NA; |
| | | byte=Rxdata[1]; |
| | | return byte; |
| | | } |
| | | void SPI_Flash_Wait_Busy(void) |
| | | { |
| | | while((SPI1_Flash_ReadSR()&0x01)==0x01); // ??BUSY??? |
| | | } |
| | | |
| | | void SPI_FLASH_Write_SR(uint8_t sr) |
| | | { |
| | | uint8_t Data1[2]= {W25X_ReadStatusReg,0x00}; |
| | | Data1[1]=sr; |
| | | SPI1_CS_EN; |
| | | SPI_Transmit(SPI1, Data1, 2,100); |
| | | SPI1_CS_NA; |
| | | } |
| | | |
| | | uint16_t SPI_Flash_ReadID(void) |
| | | { |
| | | uint16_t Temp = 0; |
| | | uint8_t Data1[6] = {W25X_ManufactDeviceID,0x00,0x00,0x00,0x00,0x00}; |
| | | uint8_t Data2[6]= {0x00,0x00}; |
| | | // uint8_t Rxdata[2]; |
| | | SPI1_CS_EN; |
| | | //SPI_Transmit(SPI1, Data1,4,100); |
| | | // SPI_TransmitReceive(SPI1,Data1,Data2,6,100); |
| | | SPI1_Tranceive(Data1,Data2,6); |
| | | SPI1_CS_NA; |
| | | |
| | | Temp=(Data2[4]<<8)|Data2[5]; |
| | | return Temp; |
| | | } |
| | | uint64_t SPI_Flash_ReadUID(uint8_t * Uid) |
| | | { |
| | | union |
| | | { |
| | | uint64_t Temp; |
| | | uint32_t temp2[2]; |
| | | uint8_t Rxdata[8]; |
| | | }uids; |
| | | |
| | | uint8_t Data1[5] = {W25X_ReadUniqueID,0x00,0x00,0x00,0x00}; |
| | | uint8_t Data2[8]= {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; |
| | | SPI1_CS_EN; |
| | | SPI_Transmit(SPI1, Data1,5,100); |
| | | SPI_TransmitReceive(SPI1, Data2,uids.Rxdata,8,100); |
| | | SPI1_CS_NA; |
| | | memcpy(Uid,uids.Rxdata,8); |
| | | uint32_t t1 = __rev(uids.temp2[0]); |
| | | uids.temp2[0]= __rev(uids.temp2[1]); |
| | | uids.temp2[1]=t1; |
| | | return uids.Temp; |
| | | } |
| | | |
| | | void SPI_FLASH_Write_Enable(void) |
| | | { |
| | | uint8_t Txdata[2]={W25X_WriteEnable}; |
| | | SPI1_CS_EN; |
| | | SPI1_Tranceive(Txdata,Txdata,1); |
| | | SPI1_CS_NA; |
| | | } |
| | | |
| | | void SPI_FLASH_Write_Disable(void) |
| | | { |
| | | uint8_t Txdata[2]={W25X_WriteDisable}; |
| | | SPI1_CS_EN; |
| | | SPI_Transmit(SPI1, Txdata,1,100); |
| | | SPI1_CS_NA; |
| | | } |
| | | void W25QXX_Erase_Sector(uint32_t Dst_Addr) |
| | | { |
| | | //??falsh????,??? |
| | | |
| | | Dst_Addr*=4096; |
| | | uint8_t Data1[4] = {W25X_SectorErase,0x00,0x00,0x00}; |
| | | Data1[1]=Dst_Addr>>16; |
| | | Data1[2]=Dst_Addr>>8; |
| | | Data1[3]=Dst_Addr; |
| | | SPI_FLASH_Write_Enable(); //SET WEL ,??? |
| | | SPI_Flash_Wait_Busy(); |
| | | |
| | | SPI1_CS_EN; |
| | | SPI1_Tranceive(Data1,Data1,4); |
| | | SPI1_CS_NA; |
| | | SPI_Flash_Wait_Busy(); //?????? |
| | | } |
| | | void W25QXX_Read(uint8_t* pBuffer,uint32_t ReadAddr,uint16_t NumByteToRead) |
| | | { |
| | | uint16_t i; |
| | | uint8_t Data1[4] = {W25X_ReadData,0x00,0x00,0x00}; |
| | | // uint8_t Data2[16]= {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}; |
| | | |
| | | Data1[1]=ReadAddr>>16; |
| | | Data1[2]=ReadAddr>>8; |
| | | Data1[3]=ReadAddr; |
| | | |
| | | SPI1_CS_EN; |
| | | SPI_Transmit(SPI1, Data1,4,100); |
| | | // HAL_SPI_TransmitReceive(&hspi1,pBuffer,pBuffer,NumByteToRead,10); |
| | | // HAL_SPI_TransmitReceive_DMA(&hspi1,pBuffer,pBuffer,NumByteToRead); |
| | | SPI1_Tranceive(pBuffer,pBuffer,NumByteToRead); |
| | | /* |
| | | for(i=0;i<NumByteToRead/16;i++) |
| | | { |
| | | HAL_SPI_TransmitReceive(&hspi1,Data2,pBuffer+i*16,16,100); |
| | | } |
| | | if (NumByteToRead%16) |
| | | { |
| | | HAL_SPI_TransmitReceive(&hspi1,Data2,pBuffer+i*16,NumByteToRead%16,100); |
| | | } |
| | | */ |
| | | SPI1_CS_NA; |
| | | } |
| | | void W25QXX_Write_Page(uint8_t* pBuffer,uint32_t WriteAddr,uint16_t NumByteToWrite) |
| | | { |
| | | uint8_t Data1[4] = {W25X_PageProgram,0x00,0x00,0x00}; |
| | | |
| | | Data1[1]=WriteAddr>>16; |
| | | Data1[2]=WriteAddr>>8; |
| | | Data1[3]=WriteAddr; |
| | | |
| | | SPI_FLASH_Write_Enable(); //SET WEL ,??? |
| | | SPI_Flash_Wait_Busy(); |
| | | SPI1_CS_EN; |
| | | SPI_Transmit(SPI1, Data1,4,100); |
| | | SPI_Transmit(SPI1, pBuffer,NumByteToWrite,100); |
| | | SPI1_CS_NA; |
| | | SPI_Flash_Wait_Busy(); //?????? |
| | | } |
| | | /* |
| | | int flash_func(int argc, char * argv[]) |
| | | { |
| | | char str1[128]; |
| | | int len1; |
| | | uint8_t databuf[4096]; |
| | | if (argc<=1) |
| | | { |
| | | len1=sprintf(str1," id uid sr en dis read speed er write write2\r\n");fputstr(str1,len1,0); |
| | | }else if (argc>=2) |
| | | { |
| | | if (strcmp(argv[1],"id")==0) |
| | | { |
| | | uint16_t flashid; |
| | | flashid=SPI_Flash_ReadID(); |
| | | len1=sprintf(str1,"Readid %4X \r\n",flashid); |
| | | fputstr(str1,len1,0); |
| | | |
| | | } else if (strcmp(argv[1],"sr")==0) |
| | | { |
| | | uint8_t flashsr; |
| | | flashsr=SPI_Flash_ReadSR(); |
| | | len1=sprintf(str1,"Readsr %2X \r\n",flashsr); |
| | | fputstr(str1,len1,0); |
| | | } else if (strcmp(argv[1],"uid")==0) |
| | | { |
| | | uint8_t Uid[8]; |
| | | uint64_t uid; |
| | | uid=SPI_Flash_ReadUID(Uid); |
| | | len1=sprintf(str1,"Uid %016llX %02X%02X%02X%02X%02X%02X%02X%02X \r\n",uid,Uid[0],Uid[1],Uid[2],Uid[3],Uid[4],Uid[5],Uid[6],Uid[7]); |
| | | fputstr(str1,len1,0); |
| | | } else if (strcmp(argv[1],"en")==0) |
| | | { |
| | | SPI_FLASH_Write_Enable(); |
| | | len1=sprintf(str1,"Write Enable \r\n"); |
| | | fputstr(str1,len1,0); |
| | | } else if (strcmp(argv[1],"dis")==0) |
| | | { |
| | | SPI_FLASH_Write_Disable(); |
| | | len1=sprintf(str1,"Write Disable \r\n"); |
| | | fputstr(str1,len1,0); |
| | | }else if (strcmp(argv[1],"read")==0) |
| | | { |
| | | len1=0; |
| | | uint32_t addr=0; |
| | | if (argc>=3) addr=atoi(argv[2]); |
| | | uint16_t datalens=256; |
| | | len1=sprintf(str1,"Read Flash %08X for %d bytes \r\n",addr,datalens); |
| | | fputstr(str1,len1,0); |
| | | W25QXX_Read(databuf,addr,datalens); |
| | | for (int i=0;i<16;i++) |
| | | { |
| | | len1=sprintf(str1,"%2X: ",i); |
| | | for (int j=0;j<16;j++) |
| | | { |
| | | len1+=sprintf(str1+len1," %2X",databuf[i*16+j]); |
| | | } |
| | | len1+=sprintf(str1+len1,"\r\n"); |
| | | fputstr(str1,len1,0); |
| | | } |
| | | }else if (strcmp(argv[1],"speed")==0) |
| | | { |
| | | len1=0; |
| | | uint32_t addr=0; |
| | | if (argc>=3) addr=atoi(argv[2]); |
| | | uint16_t datalens=4096; |
| | | int times=1000; |
| | | len1=sprintf(str1,"Read Flash speed test for %d bytes %d times\r\n",datalens,times); |
| | | fputstr(str1,len1,0); |
| | | int time1=HAL_GetTick(); |
| | | for (int i=0;i<times;i++) |
| | | { |
| | | addr=i*4096; |
| | | W25QXX_Read(databuf,addr,datalens); |
| | | } |
| | | int time2=HAL_GetTick(); |
| | | int deltime=time2-time1; |
| | | if (deltime < 1) {deltime =1;} |
| | | len1=sprintf(str1,"%d mS %dK/s \r\n",deltime,datalens*times/deltime); |
| | | fputstr(str1,len1,0); |
| | | |
| | | }else if (strcmp(argv[1],"er")==0) |
| | | { |
| | | uint32_t addr=0; |
| | | if (argc>=3) addr=atoi(argv[2]); |
| | | W25QXX_Erase_Sector(addr); |
| | | len1=sprintf(str1," erase %d\r\n",addr); |
| | | fputstr(str1,len1,0); |
| | | } else if (strcmp(argv[1],"write")==0) |
| | | { |
| | | uint32_t addr=0; |
| | | if (argc>=3) addr=atoi(argv[2]); |
| | | uint16_t datalens=256; |
| | | uint8_t value; |
| | | if (argc>=4) |
| | | { |
| | | value=atoi(argv[3]); |
| | | for(int i=0;i<256;i++) {databuf[i]=value;} |
| | | }else for(int i=0;i<256;i++) {databuf[i]=i;} |
| | | W25QXX_Write_Page(databuf,addr,datalens); |
| | | len1=sprintf(str1," write %06X for %d bytes\r\n",addr,datalens); |
| | | fputstr(str1,len1,0); |
| | | } else if (strcmp(argv[1],"write2")==0) |
| | | { |
| | | uint32_t addr=0; |
| | | if (argc>=3) addr=atoi(argv[2]); |
| | | uint16_t datalens=256; |
| | | for(int i=0;i<256;i++) {databuf[i]=0;} |
| | | W25QXX_Write_Page(databuf,addr,datalens); |
| | | len1=sprintf(str1," write %06X for %d bytes\r\n",addr,datalens); |
| | | fputstr(str1,len1,0); } |
| | | else |
| | | { |
| | | len1=sprintf(str1,"unknown %s \r\n",argv[1]); |
| | | fputstr(str1,len1,0); |
| | | } |
| | | |
| | | } |
| | | return 0; |
| | | } |
| | | */ |
| | | |