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STM32-Player-Doc/STM32H743VI 开发版/STM32H750驱动例程(HAL库)/例32 USB虚拟串口(Slave)/HARDWARE/SDMMC/sdmmc_sdcard.c

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新增开发版例程
2021-07-28 13:15:22 +08:00
#include "sdmmc_sdcard.h"
#include "string.h"
#include "delay.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32H7<48><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2017/8/15
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
SD_HandleTypeDef SDCARD_Handler; //SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
HAL_SD_CardInfoTypeDef SDCardInfo; //SD<53><44><EFBFBD><EFBFBD>Ϣ<EFBFBD>ṹ<EFBFBD><E1B9B9>
DMA_HandleTypeDef SDTxDMAHandler,SDRxDMAHandler; //SD<53><44>DMA<4D><41><EFBFBD>ͺͽ<CDBA><CDBD>վ<EFBFBD><D5BE><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>DMA<4D>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>SD<53><44><EFBFBD><EFBFBD>д<EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
static volatile u8 SDCardWriteStatus=0,SDCardReadStatus=0;
//SD_ReadDisk/SD_WriteDisk<73><6B><EFBFBD><EFBFBD>ר<EFBFBD><D7A8>buf,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD>4<EFBFBD>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>,
//<2F><>Ҫ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ȷ<><C8B7><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7>4<EFBFBD>ֽڶ<D6BD><DAB6><EFBFBD><EFBFBD><EFBFBD>.
__align(4) u8 SDIO_DATA_BUFFER[512];
//SD<53><44><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>,SDMMCƵ<43><C6B5>Ϊ200MHz<48><7A>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>25MHz
//<2F><><EFBFBD><EFBFBD>ֵ:0 <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
u8 SD_Init(void)
{
u8 SD_Error;
//<2F><>ʼ<EFBFBD><CABC>ʱ<EFBFBD><CAB1>ʱ<EFBFBD>Ӳ<EFBFBD><D3B2>ܴ<EFBFBD><DCB4><EFBFBD>400KHZ
SDCARD_Handler.Instance=SDMMC1;
SDCARD_Handler.Init.ClockEdge=SDMMC_CLOCK_EDGE_RISING; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SDCARD_Handler.Init.ClockPowerSave=SDMMC_CLOCK_POWER_SAVE_DISABLE; //<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>ر<EFBFBD>ʱ<EFBFBD>ӵ<EFBFBD>Դ
SDCARD_Handler.Init.BusWide=SDMMC_BUS_WIDE_4B; //4λ<34><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SDCARD_Handler.Init.HardwareFlowControl=SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;//<2F>ر<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SDCARD_Handler.Init.ClockDiv=SDMMC_NSpeed_CLK_DIV; //SD<53><44><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>25MHZ
SD_Error=HAL_SD_Init(&SDCARD_Handler);
if(SD_Error!=HAL_OK) return 1;
//<2F><>ȡSD<53><44><EFBFBD><EFBFBD>Ϣ
HAL_SD_GetCardInfo(&SDCARD_Handler,&SDCardInfo);
return 0;
}
//SDMMC<4D>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>ʹ<EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>DMA<4D><41><EFBFBD><EFBFBD>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_SD_Init()<29><><EFBFBD><EFBFBD>
//hsd:SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void HAL_SD_MspInit(SD_HandleTypeDef *hsd)
{
GPIO_InitTypeDef GPIO_Initure;
__HAL_RCC_SDMMC1_CLK_ENABLE(); //ʹ<><CAB9>SDMMC1ʱ<31><CAB1>
__HAL_RCC_GPIOC_CLK_ENABLE(); //ʹ<><CAB9>GPIOCʱ<43><CAB1>
__HAL_RCC_GPIOD_CLK_ENABLE(); //ʹ<><CAB9>GPIODʱ<44><CAB1>
//PC8,9,10,11,12
GPIO_Initure.Pin=GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
GPIO_Initure.Mode=GPIO_MODE_AF_PP; //<2F><><EFBFBD>츴<EFBFBD><ECB8B4>
GPIO_Initure.Pull=GPIO_PULLUP; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Speed=GPIO_SPEED_FREQ_VERY_HIGH; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Alternate=GPIO_AF12_SDIO1; //<2F><><EFBFBD><EFBFBD>ΪSDIO
HAL_GPIO_Init(GPIOC,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
//PD2
GPIO_Initure.Pin=GPIO_PIN_2;
HAL_GPIO_Init(GPIOD,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
#if (SD_DMA_MODE==1) //ʹ<><CAB9>DMAģʽ
HAL_NVIC_SetPriority(SDMMC1_IRQn,2,0); //<2F><><EFBFBD><EFBFBD>SDMMC1<43>жϣ<D0B6><CFA3><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>2<EFBFBD><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>0
HAL_NVIC_EnableIRQ(SDMMC1_IRQn); //ʹ<><CAB9>SDMMC1<43>ж<EFBFBD>
#endif
}
//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD>Ϣ
//cardinfo:<3A><><EFBFBD><EFBFBD>Ϣ<EFBFBD>洢<EFBFBD><E6B4A2>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD>״̬
u8 SD_GetCardInfo(HAL_SD_CardInfoTypeDef *cardinfo)
{
u8 sta;
sta=HAL_SD_GetCardInfo(&SDCARD_Handler,cardinfo);
return sta;
}
//<2F>ж<EFBFBD>SD<53><44><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>(<28><>д)<29><><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:SD_TRANSFER_OK <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>δ<EFBFBD><CEB4><EFBFBD>
// SD_TRANSFER_BUSY SD<53><44><EFBFBD><EFBFBD>æ<EFBFBD><C3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD>δ<EFBFBD><CEB4><EFBFBD>
u8 SD_GetCardState(void)
{
return((HAL_SD_GetCardState(&SDCARD_Handler)==HAL_SD_CARD_TRANSFER )?SD_TRANSFER_OK:SD_TRANSFER_BUSY);
}
#if (SD_DMA_MODE==1) //DMAģʽ
//<2F><>SD<53><44>
//buf:<3A><><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD>״̬;0,<2C><><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
u8 SD_ReadDisk(u8* buf,u32 sector,u32 cnt)
{
u8 sta=HAL_ERROR;
SDCardReadStatus=0;
if(HAL_SD_ReadBlocks_DMA(&SDCARD_Handler,(uint8_t*)buf,(uint32_t)sector,(uint32_t)cnt)==HAL_OK)
{
while(SDCardReadStatus==0){}; //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SDCardReadStatus=0;
while(SD_GetCardState()){}; //<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
sta=HAL_OK;
}
return sta;
}
//дSD<53><44>
//buf:д<><D0B4><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD>״̬;0,<2C><><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
u8 SD_WriteDisk(u8 *buf,u32 sector,u32 cnt)
{
u8 sta=HAL_ERROR;
SDCardWriteStatus=0;
if(HAL_SD_WriteBlocks_DMA(&SDCARD_Handler,(uint8_t*)buf,(uint32_t)sector,(uint32_t)cnt)==HAL_OK)
{
while(SDCardWriteStatus==0){}; //<2F>ȴ<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
SDCardWriteStatus=0;
while(SD_GetCardState()){}; //<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
sta=HAL_OK;
}
return sta;
}
//SDMMC1<43>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void SDMMC1_IRQHandler(void)
{
HAL_SD_IRQHandler(&SDCARD_Handler);
}
//SDMMC1д<31><D0B4><EFBFBD>ɻص<C9BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
void HAL_SD_TxCpltCallback(SD_HandleTypeDef *hsd)
{
SDCardWriteStatus=1; //<2F><><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
}
//SDMMC1<43><31><EFBFBD><EFBFBD><EFBFBD>ɻص<C9BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
void HAL_SD_RxCpltCallback(SD_HandleTypeDef *hsd)
{
SDCardReadStatus=1; //<2F><><EFBFBD>Ƕ<EFBFBD><C7B6><EFBFBD><EFBFBD><EFBFBD>
}
#else //<2F><>ѵģʽ
//<2F><>SD<53><44>
//buf:<3A><><EFBFBD><EFBFBD><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD>״̬;0,<2C><><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
u8 SD_ReadDisk(u8* buf,u32 sector,u32 cnt)
{
u8 sta=HAL_OK;
u32 timeout=SD_TIMEOUT;
long long lsector=sector;
INTX_DISABLE();//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>ж<EFBFBD>(POLLINGģʽ,<2C>Ͻ<EFBFBD><CFBD>жϴ<D0B6><CFB4><EFBFBD>SDIO<49><4F>д<EFBFBD><D0B4><EFBFBD><EFBFBD>!!!)
sta=HAL_SD_ReadBlocks(&SDCARD_Handler, (uint8_t*)buf,lsector,cnt,SD_TIMEOUT);//<2F><><EFBFBD><EFBFBD>sector<6F>Ķ<EFBFBD><C4B6><EFBFBD><EFBFBD><EFBFBD>
//<2F>ȴ<EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
while(SD_GetCardState()!=SD_TRANSFER_OK)
{
if(timeout-- == 0)
{
sta=SD_TRANSFER_BUSY;
break;
}
}
INTX_ENABLE();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
return sta;
}
//дSD<53><44>
//buf:д<><D0B4><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD>
//sector:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
//cnt:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֵ:<3A><><EFBFBD><EFBFBD>״̬;0,<2C><><EFBFBD><EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
u8 SD_WriteDisk(u8 *buf,u32 sector,u32 cnt)
{
u8 sta=HAL_OK;
u32 timeout=SD_TIMEOUT;
long long lsector=sector;
INTX_DISABLE();//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>ж<EFBFBD>(POLLINGģʽ,<2C>Ͻ<EFBFBD><CFBD>жϴ<D0B6><CFB4><EFBFBD>SDIO<49><4F>д<EFBFBD><D0B4><EFBFBD><EFBFBD>!!!)
sta=HAL_SD_WriteBlocks(&SDCARD_Handler,(uint8_t*)buf,lsector,cnt,SD_TIMEOUT);//<2F><><EFBFBD><EFBFBD>sector<6F><72>д<EFBFBD><D0B4><EFBFBD><EFBFBD>
//<2F>ȴ<EFBFBD>SD<53><44>д<EFBFBD><D0B4>
while(SD_GetCardState()!=SD_TRANSFER_OK)
{
if(timeout-- == 0)
{
sta=SD_TRANSFER_BUSY;
break;
}
}
INTX_ENABLE();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
return sta;
}
#endif
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