20260324
This commit is contained in:
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IAPV1.1/Driver/spi/SPI_SD_driver.c
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IAPV1.1/Driver/spi/SPI_SD_driver.c
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/******************** (C) COPYRIGHT 2018 Designed by Captain *********************
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* <20>ļ<EFBFBD><C4BC><EFBFBD> <20><>main.c
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* <20><><EFBFBD><EFBFBD> : SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* ʵ<><CAB5>ƽ̨<C6BD><CCA8>STM32F105RBT6˫CAN<41><4E><EFBFBD><EFBFBD><EFBFBD><EFBFBD>V2.0
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* <20><><EFBFBD>汾 <20><>ST3.5.0
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* ʱ<><CAB1> <20><>2018-9-23
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**********************************************************************************/
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#include "SPI_SD_driver.h"
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#include "spi.h"
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u8 SD_Type=0;
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////////////////////////////////////////////////////////////////////////////////
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SPIģ<49><C4A3><EFBFBD>ij<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<53><44>
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////////////////////////////////////////////////////////////////////////////////
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//<2F><>ֲʱ<D6B2><CAB1><EFBFBD>Ľӿ<C4BD>
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//data:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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u8 SD_SPI_ReadWriteByte(u8 data)
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{
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return SPI2_ReadWriteByte(data);
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}
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//SD<53><44><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,<2C><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>
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void SD_SPI_SpeedLow(void)
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{
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SPI2_SetSpeed(SPI_BaudRatePrescaler_256);//<2F><><EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD>ģʽ
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}
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//SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD>Ը<EFBFBD><D4B8><EFBFBD><EFBFBD><EFBFBD>
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void SD_SPI_SpeedHigh(void)
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{
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SPI2_SetSpeed(SPI_BaudRatePrescaler_2);//<2F><><EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD>ģʽ
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}
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/**********************************************
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*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>void SPI_Configuration(void)
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*<2A><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*<2A><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*<2A><><EFBFBD><EFBFBD>ֵ <20><><EFBFBD><EFBFBD>
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*<2A><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD>SPIģ<49><C4A3><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>IO<49>ڵij<DAB5>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
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**********************************************/
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void SD_SPI_Init(void)
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{
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// GPIO_InitTypeDef GPIO_InitStructure;
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// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//<2F><><EFBFBD><EFBFBD>
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// GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//<2F><><EFBFBD><EFBFBD>
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// GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;//ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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// GPIO_Init(GPIOA, &GPIO_InitStructure);
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//
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// GPIO_SetBits(GPIOC,GPIO_Pin_4);
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// GPIO_SetBits(GPIOA,GPIO_Pin_8);
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SPI2_Init();
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//SPI1_Init();
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SPI2_SetSpeed(7);
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}
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//ȡ<><C8A1>ѡ<EFBFBD><D1A1>,<2C>ͷ<EFBFBD>SPI<50><49><EFBFBD><EFBFBD>
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void SD_DisSelect(void)
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{
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SD_CS_DISABLE() ;
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SD_SPI_ReadWriteByte(0xff);//<2F>ṩ<EFBFBD><E1B9A9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>8<EFBFBD><38>ʱ<EFBFBD><CAB1>
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}
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//ѡ<><D1A1>sd<73><64>,<2C><><EFBFBD>ҵȴ<D2B5><C8B4><EFBFBD><EFBFBD><D7BC>OK
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//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;1,ʧ<><CAA7>;
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u8 SD_Select(void)
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{
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SD_CS_ENABLE();
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if(SD_WaitReady()==0)return 0;//<2F>ȴ<EFBFBD><C8B4>ɹ<EFBFBD>
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SD_DisSelect();
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return 1;//<2F>ȴ<EFBFBD>ʧ<EFBFBD><CAA7>
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}
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//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><D7BC><EFBFBD><EFBFBD>
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//<2F><><EFBFBD><EFBFBD>ֵ:0,<><D7BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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u8 SD_WaitReady(void)
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{
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u32 t=0;
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do
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{
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if(SD_SPI_ReadWriteByte(0XFF)==0XFF)return 0;//OK
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t++;
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}while(t<0XFFFFFF);//<2F>ȴ<EFBFBD>
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return 1;
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}
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//<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><EFBFBD>Ӧ
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//Response:Ҫ<>õ<EFBFBD><C3B5>Ļ<EFBFBD>Ӧֵ
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//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD><C9B9>õ<EFBFBD><C3B5>˸û<CBB8>Ӧֵ
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// <20><><EFBFBD><EFBFBD>,<2C>õ<EFBFBD><C3B5><EFBFBD>Ӧֵʧ<D6B5><CAA7>
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u8 SD_GetResponse(u8 Response)
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{
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u16 Count=0xFFFF;//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD>
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while ((SD_SPI_ReadWriteByte(0XFF)!=Response)&&Count)Count--;//<2F>ȴ<EFBFBD><C8B4>õ<EFBFBD>ȷ<D7BC>Ļ<EFBFBD>Ӧ
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if (Count==0)return MSD_RESPONSE_FAILURE;//<2F>õ<EFBFBD><C3B5><EFBFBD>Ӧʧ<D3A6><CAA7>
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else return MSD_RESPONSE_NO_ERROR;//<2F><>ȷ<EFBFBD><C8B7>Ӧ
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}
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//<2F><>sd<73><64><EFBFBD><EFBFBD>ȡһ<C8A1><D2BB><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//buf:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
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//len:Ҫ<><D2AA>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>.
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//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;<3B><><EFBFBD><EFBFBD>,ʧ<><CAA7>;
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u8 SD_RecvData(u8*buf,u16 len)
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{
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if(SD_GetResponse(0xFE))return 1;//<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>0xFE
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while(len--)//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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*buf=SPI2_ReadWriteByte(0xFF);
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buf++;
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}
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><32>αCRC<52><43>dummy CRC<52><43>
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SD_SPI_ReadWriteByte(0xFF);
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SD_SPI_ReadWriteByte(0xFF);
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return 0;//<2F><>ȡ<EFBFBD>ɹ<EFBFBD>
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}
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//<2F><>sd<73><64>д<EFBFBD><D0B4>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD>ݰ<EFBFBD><DDB0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 512<31>ֽ<EFBFBD>
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//buf:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
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//cmd:ָ<><D6B8>
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//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;<3B><><EFBFBD><EFBFBD>,ʧ<><CAA7>;
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u8 SD_SendBlock(u8*buf,u8 cmd)
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{
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u16 t;
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if(SD_WaitReady())return 1;//<2F>ȴ<EFBFBD><EFBFBD><D7BC>ʧЧ
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SD_SPI_ReadWriteByte(cmd);
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if(cmd!=0XFD)//<2F><><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD>ָ<EFBFBD><D6B8>
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{
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for(t=0;t<512;t++)SPI2_ReadWriteByte(buf[t]);//<2F><><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD>,<2C><><EFBFBD>ٺ<EFBFBD><D9BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
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SD_SPI_ReadWriteByte(0xFF);//<2F><><EFBFBD><EFBFBD>crc
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SD_SPI_ReadWriteByte(0xFF);
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t=SD_SPI_ReadWriteByte(0xFF);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ
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if((t&0x1F)!=0x05)return 2;//<2F><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>
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}
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return 0;//д<><D0B4><EFBFBD>ɹ<EFBFBD>
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}
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//<2F><>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//<2F><><EFBFBD><EFBFBD>: u8 cmd <20><><EFBFBD><EFBFBD>
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// u32 arg <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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// u8 crc crcУ<63><D0A3>ֵ
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//<2F><><EFBFBD><EFBFBD>ֵ:SD<53><44><EFBFBD><EFBFBD><EFBFBD>ص<EFBFBD><D8B5><EFBFBD>Ӧ
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u8 SD_SendCmd(u8 cmd, u32 arg, u8 crc)
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{
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u8 r1;
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u8 Retry=0;
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SD_DisSelect();//ȡ<><C8A1><EFBFBD>ϴ<EFBFBD>Ƭѡ
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if(SD_Select())return 0XFF;//ƬѡʧЧ
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//<2F><><EFBFBD><EFBFBD>
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SD_SPI_ReadWriteByte(cmd | 0x40);//<2F>ֱ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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SD_SPI_ReadWriteByte(arg >> 24);
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SD_SPI_ReadWriteByte(arg >> 16);
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SD_SPI_ReadWriteByte(arg >> 8);
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SD_SPI_ReadWriteByte(arg);
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SD_SPI_ReadWriteByte(crc);
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if(cmd==CMD12)SD_SPI_ReadWriteByte(0xff);//Skip a stuff byte when stop reading
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//<2F>ȴ<EFBFBD><C8B4><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>˳<EFBFBD>
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Retry=0X1F;
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do
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{
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r1=SD_SPI_ReadWriteByte(0xFF);
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}while((r1&0X80) && Retry--);
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//<2F><><EFBFBD><EFBFBD>״ֵ̬
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return r1;
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}
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//<2F><>ȡSD<53><44><EFBFBD><EFBFBD>CID<49><44>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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//<2F><><EFBFBD><EFBFBD>: u8 *cid_data(<28><><EFBFBD><EFBFBD>CID<49><44><EFBFBD>ڴ棬<DAB4><E6A3AC><EFBFBD><EFBFBD>16Byte<74><65>
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//<2F><><EFBFBD><EFBFBD>ֵ:0<><30>NO_ERR
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// 1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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u8 SD_GetCID(u8 *cid_data)
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{
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u8 r1;
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//<2F><>CMD10<31><30><EFBFBD><EFBFBD><EEA3AC>CID
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r1=SD_SendCmd(CMD10,0,0x01);
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if(r1==0x00)
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{
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r1=SD_RecvData(cid_data,16);//<2F><><EFBFBD><EFBFBD>16<31><36><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
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}
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SD_DisSelect();//ȡ<><C8A1>Ƭѡ
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if(r1)return 1;
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else return 0;
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}
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//<2F><>ȡSD<53><44><EFBFBD><EFBFBD>CSD<53><44>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><D9B6><EFBFBD>Ϣ
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//<2F><><EFBFBD><EFBFBD>:u8 *cid_data(<28><><EFBFBD><EFBFBD>CID<49><44><EFBFBD>ڴ棬<DAB4><E6A3AC><EFBFBD><EFBFBD>16Byte<74><65>
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//<2F><><EFBFBD><EFBFBD>ֵ:0<><30>NO_ERR
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// 1<><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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u8 SD_GetCSD(u8 *csd_data)
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{
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u8 r1;
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r1=SD_SendCmd(CMD9,0,0x01);//<2F><>CMD9<44><39><EFBFBD><EFBFBD><EEA3AC>CSD
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if(r1==0)
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{
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r1=SD_RecvData(csd_data, 16);//<2F><><EFBFBD><EFBFBD>16<31><36><EFBFBD>ֽڵ<D6BD><DAB5><EFBFBD><EFBFBD><EFBFBD>
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}
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SD_DisSelect();//ȡ<><C8A1>Ƭѡ
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if(r1)return 1;
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else return 0;
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}
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//<2F><>ȡSD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
//<2F><><EFBFBD><EFBFBD>ֵ:0<><30> ȡ<><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
// <20><><EFBFBD><EFBFBD>:SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/512<31>ֽ<EFBFBD>)
|
||||
//ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD>Ϊ512<31><32><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>512<31><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8>.
|
||||
u32 SD_GetSectorCount(void)
|
||||
{
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||||
u8 csd[16];
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u32 Capacity;
|
||||
u8 n;
|
||||
u16 csize;
|
||||
//ȡCSD<53><44>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD><DABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>0
|
||||
if(SD_GetCSD(csd)!=0) return 0;
|
||||
//<2F><><EFBFBD><EFBFBD>ΪSDHC<48><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>淽ʽ<E6B7BD><CABD><EFBFBD><EFBFBD>
|
||||
if((csd[0]&0xC0)==0x40) //V2.00<EFBFBD>Ŀ<EFBFBD>
|
||||
{
|
||||
csize = csd[9] + ((u16)csd[8] << 8) + 1;
|
||||
Capacity = (u32)csize << 10;//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}else//V1.XX<58>Ŀ<EFBFBD>
|
||||
{
|
||||
n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2;
|
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csize = (csd[8] >> 6) + ((u16)csd[7] << 2) + ((u16)(csd[6] & 3) << 10) + 1;
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Capacity= (u32)csize << (n - 9);//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}
|
||||
return Capacity;
|
||||
}
|
||||
//<2F><>ʼ<EFBFBD><CABC>SD<53><44>
|
||||
u8 SD_Initialize(void)
|
||||
{
|
||||
u8 r1; // <20><><EFBFBD><EFBFBD>SD<53><44><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD>ֵ
|
||||
u16 retry; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>г<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
|
||||
u8 buf[4];
|
||||
u16 i;
|
||||
|
||||
SD_SPI_Init(); //<2F><>ʼ<EFBFBD><CABC>IO
|
||||
SD_SPI_SpeedLow(); //<2F><><EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD>ģʽ
|
||||
for(i=0;i<10;i++)SD_SPI_ReadWriteByte(0XFF);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>74<37><34><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
retry=20;
|
||||
do
|
||||
{
|
||||
r1=SD_SendCmd(CMD0,0,0x95);//<2F><><EFBFBD><EFBFBD>IDLE״̬
|
||||
}while((r1!=0X01) && retry--);
|
||||
SD_Type=0;//Ĭ<><C4AC><EFBFBD><EFBFBD>
|
||||
if(r1==0X01)
|
||||
{
|
||||
if(SD_SendCmd(CMD8,0x1AA,0x87)==1)//SD V2.0
|
||||
{
|
||||
for(i=0;i<4;i++)buf[i]=SD_SPI_ReadWriteByte(0XFF); //Get trailing return value of R7 resp
|
||||
if(buf[2]==0X01&&buf[3]==0XAA)//<2F><><EFBFBD>Ƿ<EFBFBD>֧<EFBFBD><D6A7>2.7~3.6V
|
||||
{
|
||||
retry=0XFFFE;
|
||||
do
|
||||
{
|
||||
SD_SendCmd(CMD55,0,0X01); //<2F><><EFBFBD><EFBFBD>CMD55
|
||||
r1=SD_SendCmd(CMD41,0x40000000,0X01);//<2F><><EFBFBD><EFBFBD>CMD41
|
||||
}while(r1&&retry--);
|
||||
if(retry&&SD_SendCmd(CMD58,0,0X01)==0)//<2F><><EFBFBD><EFBFBD>SD2.0<EFBFBD><EFBFBD><EFBFBD>汾<EFBFBD><EFBFBD>ʼ
|
||||
{
|
||||
for(i=0;i<4;i++)buf[i]=SD_SPI_ReadWriteByte(0XFF);//<2F>õ<EFBFBD>OCRֵ
|
||||
if(buf[0]&0x40)SD_Type=SD_TYPE_V2HC; //<2F><><EFBFBD><EFBFBD>CCS
|
||||
else SD_Type=SD_TYPE_V2;
|
||||
}
|
||||
}
|
||||
}else//SD V1.x/ MMC V3
|
||||
{
|
||||
SD_SendCmd(CMD55,0,0X01); //<2F><><EFBFBD><EFBFBD>CMD55
|
||||
r1=SD_SendCmd(CMD41,0,0X01); //<2F><><EFBFBD><EFBFBD>CMD41
|
||||
if(r1<=1)
|
||||
{
|
||||
SD_Type=SD_TYPE_V1;
|
||||
retry=0XFFFE;
|
||||
do //<2F>ȴ<EFBFBD><C8B4>˳<EFBFBD>IDLEģʽ
|
||||
{
|
||||
SD_SendCmd(CMD55,0,0X01); //<2F><><EFBFBD><EFBFBD>CMD55
|
||||
r1=SD_SendCmd(CMD41,0,0X01);//<2F><><EFBFBD><EFBFBD>CMD41
|
||||
}while(r1&&retry--);
|
||||
}else
|
||||
{
|
||||
SD_Type=SD_TYPE_MMC;//MMC V3
|
||||
retry=0XFFFE;
|
||||
do //<2F>ȴ<EFBFBD><C8B4>˳<EFBFBD>IDLEģʽ
|
||||
{
|
||||
r1=SD_SendCmd(CMD1,0,0X01);//<2F><><EFBFBD><EFBFBD>CMD1
|
||||
}while(r1&&retry--);
|
||||
}
|
||||
if(retry==0||SD_SendCmd(CMD16,512,0X01)!=0)SD_Type=SD_TYPE_ERR;//<2F><><EFBFBD><EFBFBD><EFBFBD>Ŀ<EFBFBD>
|
||||
}
|
||||
}
|
||||
SD_DisSelect();//ȡ<><C8A1>Ƭѡ
|
||||
SD_SPI_SpeedHigh();//<2F><><EFBFBD><EFBFBD>
|
||||
if(SD_Type)return 0;
|
||||
else if(r1)return r1;
|
||||
return 0xaa;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}
|
||||
//<2F><>SD<53><44>
|
||||
//buf:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
|
||||
//sector:<3A><><EFBFBD><EFBFBD>
|
||||
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
//<2F><><EFBFBD><EFBFBD>ֵ:0,ok;<3B><><EFBFBD><EFBFBD>,ʧ<><CAA7>.
|
||||
u8 SD_ReadDisk(u8*buf,u32 sector,u8 cnt)
|
||||
{
|
||||
u8 r1;
|
||||
if(SD_Type!=SD_TYPE_V2HC)sector <<= 9;//ת<><D7AA>Ϊ<EFBFBD>ֽڵ<D6BD>ַ
|
||||
if(cnt==1)
|
||||
{
|
||||
r1=SD_SendCmd(CMD17,sector,0X01);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
if(r1==0)//ָ<><EFBFBD>ͳɹ<CDB3>
|
||||
{
|
||||
r1=SD_RecvData(buf,512);//<2F><><EFBFBD><EFBFBD>512<31><32><EFBFBD>ֽ<EFBFBD>
|
||||
}
|
||||
}else
|
||||
{
|
||||
r1=SD_SendCmd(CMD18,sector,0X01);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
do
|
||||
{
|
||||
r1=SD_RecvData(buf,512);//<2F><><EFBFBD><EFBFBD>512<31><32><EFBFBD>ֽ<EFBFBD>
|
||||
buf+=512;
|
||||
}while(--cnt && r1==0);
|
||||
SD_SendCmd(CMD12,0,0X01); //<2F><><EFBFBD><EFBFBD>ֹͣ<CDA3><D6B9><EFBFBD><EFBFBD>
|
||||
}
|
||||
SD_DisSelect();//ȡ<><C8A1>Ƭѡ
|
||||
return r1;//
|
||||
}
|
||||
//дSD<53><44>
|
||||
//buf:<3A><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
|
||||
//sector:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
|
||||
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
//<2F><><EFBFBD><EFBFBD>ֵ:0,ok;<3B><><EFBFBD><EFBFBD>,ʧ<><CAA7>.
|
||||
u8 SD_WriteDisk(u8*buf,u32 sector,u8 cnt)
|
||||
{
|
||||
u8 r1;
|
||||
if(SD_Type!=SD_TYPE_V2HC)sector *= 512;//ת<><D7AA>Ϊ<EFBFBD>ֽڵ<D6BD>ַ
|
||||
if(cnt==1)
|
||||
{
|
||||
r1=SD_SendCmd(CMD24,sector,0X01);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
if(r1==0)//ָ<><EFBFBD>ͳɹ<CDB3>
|
||||
{
|
||||
r1=SD_SendBlock(buf,0xFE);//д512<31><32><EFBFBD>ֽ<EFBFBD>
|
||||
}
|
||||
}else
|
||||
{
|
||||
if(SD_Type!=SD_TYPE_MMC)
|
||||
{
|
||||
SD_SendCmd(CMD55,0,0X01);
|
||||
SD_SendCmd(CMD23,cnt,0X01);//<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>
|
||||
}
|
||||
r1=SD_SendCmd(CMD25,sector,0X01);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
if(r1==0)
|
||||
{
|
||||
do
|
||||
{
|
||||
r1=SD_SendBlock(buf,0xFC);//<2F><><EFBFBD><EFBFBD>512<31><32><EFBFBD>ֽ<EFBFBD>
|
||||
buf+=512;
|
||||
}while(--cnt && r1==0);
|
||||
r1=SD_SendBlock(0,0xFD);//<2F><><EFBFBD><EFBFBD>512<31><32><EFBFBD>ֽ<EFBFBD>
|
||||
}
|
||||
}
|
||||
SD_DisSelect();//ȡ<><C8A1>Ƭѡ
|
||||
return r1;//
|
||||
}
|
||||
|
||||
|
||||
|
||||
77
IAPV1.1/Driver/spi/SPI_SD_driver.h
Normal file
77
IAPV1.1/Driver/spi/SPI_SD_driver.h
Normal file
@ -0,0 +1,77 @@
|
||||
#ifndef _SPI_SD_DRIVER_H_
|
||||
#define _SPI_SD_DRIVER_H_
|
||||
|
||||
#include "stm32l1xx.h" //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>ͷ<EFBFBD>ļ<EFBFBD>
|
||||
#include "bsp.h"
|
||||
//typedef uint32_t u32;
|
||||
//typedef uint16_t u16;
|
||||
//typedef uint8_t u8;
|
||||
|
||||
/* Private define ------------------------------------------------------------*/
|
||||
|
||||
/* SPI<50><49><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><D9B6><EFBFBD><EFBFBD><EFBFBD>*/
|
||||
#define SPI_SPEED_LOW 0
|
||||
#define SPI_SPEED_HIGH 1
|
||||
|
||||
|
||||
// SD<53><44><EFBFBD><EFBFBD><EFBFBD>Ͷ<EFBFBD><CDB6><EFBFBD>
|
||||
#define SD_TYPE_ERR 0X00
|
||||
#define SD_TYPE_MMC 0X01
|
||||
#define SD_TYPE_V1 0X02
|
||||
#define SD_TYPE_V2 0X04
|
||||
#define SD_TYPE_V2HC 0X06
|
||||
// SD<53><44>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>
|
||||
#define CMD0 0 //<2F><><EFBFBD><EFBFBD>λ
|
||||
#define CMD1 1
|
||||
#define CMD8 8 //<2F><><EFBFBD><EFBFBD>8 <20><>SEND_IF_COND
|
||||
#define CMD9 9 //<2F><><EFBFBD><EFBFBD>9 <20><><EFBFBD><EFBFBD>CSD<53><44><EFBFBD><EFBFBD>
|
||||
#define CMD10 10 //<2F><><EFBFBD><EFBFBD>10<31><30><EFBFBD><EFBFBD>CID<49><44><EFBFBD><EFBFBD>
|
||||
#define CMD12 12 //<2F><><EFBFBD><EFBFBD>12<31><32>ֹͣ<CDA3><D6B9><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>
|
||||
#define CMD16 16 //<2F><><EFBFBD><EFBFBD>16<31><36><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SectorSize Ӧ<><D3A6><EFBFBD><EFBFBD>0x00
|
||||
#define CMD17 17 //<2F><><EFBFBD><EFBFBD>17<31><37><EFBFBD><EFBFBD>sector
|
||||
#define CMD18 18 //<2F><><EFBFBD><EFBFBD>18<31><38><EFBFBD><EFBFBD>Multi sector
|
||||
#define CMD23 23 //<2F><><EFBFBD><EFBFBD>23<32><33><EFBFBD><EFBFBD><EFBFBD>ö<EFBFBD>sectorд<72><D0B4>ǰԤ<C7B0>Ȳ<EFBFBD><C8B2><EFBFBD>N<EFBFBD><4E>block
|
||||
#define CMD24 24 //<2F><><EFBFBD><EFBFBD>24<32><34>дsector
|
||||
#define CMD25 25 //<2F><><EFBFBD><EFBFBD>25<32><35>дMulti sector
|
||||
#define CMD41 41 //<2F><><EFBFBD><EFBFBD>41<34><31>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>0x00
|
||||
#define CMD55 55 //<2F><><EFBFBD><EFBFBD>55<35><35>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>0x01
|
||||
#define CMD58 58 //<2F><><EFBFBD><EFBFBD>58<35><38><EFBFBD><EFBFBD>OCR<43><52>Ϣ
|
||||
#define CMD59 59 //<2F><><EFBFBD><EFBFBD>59<35><39>ʹ<EFBFBD><CAB9>/<2F><>ֹCRC<52><43>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>0x00
|
||||
|
||||
//<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define MSD_DATA_OK 0x05
|
||||
#define MSD_DATA_CRC_ERROR 0x0B
|
||||
#define MSD_DATA_WRITE_ERROR 0x0D
|
||||
#define MSD_DATA_OTHER_ERROR 0xFF
|
||||
//SD<53><44><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define MSD_RESPONSE_NO_ERROR 0x00
|
||||
#define MSD_IN_IDLE_STATE 0x01
|
||||
#define MSD_ERASE_RESET 0x02
|
||||
#define MSD_ILLEGAL_COMMAND 0x04
|
||||
#define MSD_COM_CRC_ERROR 0x08
|
||||
#define MSD_ERASE_SEQUENCE_ERROR 0x10
|
||||
#define MSD_ADDRESS_ERROR 0x20
|
||||
#define MSD_PARAMETER_ERROR 0x40
|
||||
#define MSD_RESPONSE_FAILURE 0xFF
|
||||
|
||||
|
||||
//<2F>ⲿ<EFBFBD><E2B2BF>Ӧ<EFBFBD><D3A6><EFBFBD>ݾ<EFBFBD><DDBE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>!
|
||||
//Mini STM32ʹ<32>õ<EFBFBD><C3B5><EFBFBD>PA3<41><33>ΪSD<53><44><EFBFBD><EFBFBD>CS<43><53>.
|
||||
#define SD_CS_ENABLE() GPIO_ResetBits(GPIOC,GPIO_Pin_6) //ѡ<><D1A1>SD<53><44>
|
||||
#define SD_CS_DISABLE() GPIO_SetBits(GPIOC,GPIO_Pin_6) //<2F><>ѡ<EFBFBD><D1A1>SD<53><44>
|
||||
extern u8 SD_Type;//SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
/* Private function prototypes -----------------------------------------------*/
|
||||
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
void SD_SPI_Init(void);
|
||||
u8 SD_SPI_ReadWriteByte(u8 data);
|
||||
void SD_SPI_SpeedLow(void);
|
||||
void SD_SPI_SpeedHigh(void);
|
||||
u8 SD_WaitReady(void); //<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><D7BC>
|
||||
u8 SD_GetResponse(u8 Response); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ
|
||||
u8 SD_Initialize(void); //<2F><>ʼ<EFBFBD><CABC>
|
||||
u8 SD_ReadDisk(u8*buf,u32 sector,u8 cnt); //<2F><><EFBFBD><EFBFBD>
|
||||
u8 SD_WriteDisk(u8*buf,u32 sector,u8 cnt); //д<><D0B4>
|
||||
u32 SD_GetSectorCount(void); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
u8 SD_GetCID(u8 *cid_data); //<2F><>SD<53><44>CID
|
||||
u8 SD_GetCSD(u8 *csd_data); //<2F><>SD<53><44>CSD
|
||||
#endif
|
||||
105
IAPV1.1/Driver/spi/spi.c
Normal file
105
IAPV1.1/Driver/spi/spi.c
Normal file
@ -0,0 +1,105 @@
|
||||
#include "spi.h"
|
||||
|
||||
void SPI2_Init(void)
|
||||
{
|
||||
GPIO_InitTypeDef GPIO_InitStructure;
|
||||
SPI_InitTypeDef SPI_InitStructure;
|
||||
|
||||
|
||||
// /* Enable SCK, MOSI and MISO GPIO clocks */
|
||||
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC|RCC_AHBPeriph_GPIOB, ENABLE);
|
||||
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//<2F><><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//<2F><><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;//ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
|
||||
GPIO_Init(GPIOC, &GPIO_InitStructure);
|
||||
GPIO_SetBits(GPIOC, GPIO_Pin_6);
|
||||
|
||||
|
||||
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;//<2F><><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
// GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;//<2F><><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;//ʱ<><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
|
||||
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
||||
GPIO_SetBits(GPIOB, GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15);
|
||||
|
||||
GPIO_PinAFConfig(GPIOB, GPIO_PinSource13, GPIO_AF_SPI2);
|
||||
GPIO_PinAFConfig(GPIOB, GPIO_PinSource14, GPIO_AF_SPI2);
|
||||
GPIO_PinAFConfig(GPIOB, GPIO_PinSource15, GPIO_AF_SPI2);
|
||||
// GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_SPI2);//GPIO_PinSource7
|
||||
/* SPI configuration -------------------------------------------------------*/
|
||||
// SPI_I2S_DeInit(SPI2);
|
||||
/* Enable the SPI periph */
|
||||
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
|
||||
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;//SPI<50><49><EFBFBD><EFBFBD>Ϊ˫<CEAA><CBAB>˫<EFBFBD><CBAB>ȫ˫<C8AB><CBAB>
|
||||
SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //<2F><><EFBFBD><EFBFBD>SPI<50><49><EFBFBD><EFBFBD>ģʽ:<3A><><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>spi
|
||||
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
|
||||
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
|
||||
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
|
||||
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
|
||||
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
|
||||
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
|
||||
SPI_InitStructure.SPI_CRCPolynomial = 7;
|
||||
SPI_Init(SPI2, &SPI_InitStructure);
|
||||
SPI_Cmd(SPI2, ENABLE); //ʹ<><CAB9>SPI<50><49><EFBFBD><EFBFBD>
|
||||
// SPI2_SetSpeed(1);
|
||||
// SPI2_ReadWrite(0xff);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}
|
||||
//SPI2<49>ٶ<EFBFBD><D9B6><EFBFBD><EFBFBD>ú<EFBFBD><C3BA><EFBFBD>
|
||||
//SpeedSet:0~7
|
||||
//SPI<50>ٶ<EFBFBD>=fAPB1/2^(SpeedSet+1)
|
||||
//APB1ʱ<31><CAB1>һ<EFBFBD><D2BB>Ϊ36Mhz
|
||||
void SPI2_SetSpeed(u8 SpeedSet)
|
||||
{
|
||||
SpeedSet&=0X07; //<2F><><EFBFBD>Ʒ<EFBFBD>Χ
|
||||
SPI2->CR1&=0XFFC7;
|
||||
SPI2->CR1|=SpeedSet<<3; //<2F><><EFBFBD><EFBFBD>SPI2<49>ٶ<EFBFBD>
|
||||
SPI2->CR1|=1<<6; //SPI<50>豸ʹ<E8B1B8><CAB9>
|
||||
}
|
||||
//SPI <20>ٶ<EFBFBD><D9B6><EFBFBD><EFBFBD>ú<EFBFBD><C3BA><EFBFBD>
|
||||
//SpeedSet:
|
||||
//SPI_BaudRatePrescaler_2 2<><32>Ƶ (SPI 36M@sys 72M)
|
||||
//SPI_BaudRatePrescaler_8 8<><38>Ƶ (SPI 9M@sys 72M)
|
||||
//SPI_BaudRatePrescaler_16 16<31><36>Ƶ (SPI 4.5M@sys 72M)
|
||||
//SPI_BaudRatePrescaler_256 256<35><36>Ƶ (SPI 281.25K@sys 72M)
|
||||
|
||||
//void SPI2_SetSpeed(u8 SpeedSet)
|
||||
//{
|
||||
// SPI_InitTypeDef SPI_InitStructure;
|
||||
//
|
||||
// SPI_InitStructure.SPI_BaudRatePrescaler = SpeedSet ;
|
||||
// SPI_Init(SPI2, &SPI_InitStructure);
|
||||
// SPI_Cmd(SPI2,ENABLE);
|
||||
//}
|
||||
//SPI2 <20><>дһ<D0B4><D2BB><EFBFBD>ֽ<EFBFBD>
|
||||
//TxData:Ҫд<D2AA><D0B4><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
|
||||
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>
|
||||
u8 SPI2_ReadWriteByte(u8 TxData)
|
||||
{
|
||||
u16 retry=0;
|
||||
while((SPI2->SR&1<<1)==0) //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
{
|
||||
retry++;
|
||||
if(retry>=0XFFFE)return 0; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
|
||||
}
|
||||
SPI2->DR=TxData; //<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>byte
|
||||
retry=0;
|
||||
while((SPI2->SR&1<<0)==0) //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>byte
|
||||
{
|
||||
retry++;
|
||||
if(retry>=0XFFFE)return 0; //<2F><>ʱ<EFBFBD>˳<EFBFBD>
|
||||
}
|
||||
return SPI2->DR; //<2F><><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
58
IAPV1.1/Driver/spi/spi.h
Normal file
58
IAPV1.1/Driver/spi/spi.h
Normal file
@ -0,0 +1,58 @@
|
||||
#ifndef __SPI_H
|
||||
#define __SPI_H
|
||||
|
||||
#include "stm32l1xx.h"
|
||||
#include "stm32l1xx_gpio.h"
|
||||
#include "stm32l1xx_spi.h"
|
||||
#include "stm32l1xx_rcc.h"
|
||||
|
||||
|
||||
// SPI<50><49><EFBFBD><EFBFBD><EFBFBD>ٶ<EFBFBD><D9B6><EFBFBD><EFBFBD><EFBFBD>
|
||||
#define SPI_SPEED_2 0
|
||||
#define SPI_SPEED_4 1
|
||||
#define SPI_SPEED_8 2
|
||||
#define SPI_SPEED_16 3
|
||||
#define SPI_SPEED_32 4
|
||||
#define SPI_SPEED_64 5
|
||||
#define SPI_SPEED_128 6
|
||||
#define SPI_SPEED_256 7
|
||||
|
||||
#define u8 uint8_t
|
||||
#define u16 uint16_t
|
||||
|
||||
void SPI2_Port_Init(void);
|
||||
void SPI2_Init(void); //<2F><>ʼ<EFBFBD><CABC>SPI2<49><32>
|
||||
void SPI2_SetSpeed(uint8_t SpeedSet); //<2F><><EFBFBD><EFBFBD>SPI2<49>ٶ<EFBFBD>
|
||||
uint8_t SPI2_ReadWriteByte(uint8_t TxData);//SPI2<49><32><EFBFBD>߶<EFBFBD>дһ<D0B4><D2BB><EFBFBD>ֽ<EFBFBD>
|
||||
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user