refactor: SD card SPI HAL (#3957)
* refactor: SD card SPI driver * Removed SPI and DMA StdPeriph drivers * Allow for disabling SPI DMA support * Disable SPI sdcard CRC support * Fix 2MHz timer on NV14 * Shared VS1053b driver * Fix: SPI2 uses PCLK1 * feat: new generic diskio API * More generic SD_CARD_PRESENT() * Fixes * Flush incoming block on token mismatch * Scratch buffer test * Incredible hack to re-sync sd card * fix: SDIO driver
This commit is contained in:
+37
-32
@@ -24,11 +24,6 @@
|
||||
|
||||
#include <string.h>
|
||||
|
||||
#if defined(SIMU) && !defined(SIMU_DISKIO)
|
||||
#define __disk_read(...) (RES_OK)
|
||||
#define __disk_write(...) (RES_OK)
|
||||
#endif
|
||||
|
||||
#if 0 // set to 1 to enable traces
|
||||
#include "debug.h"
|
||||
#define TRACE_DISK_CACHE(...) TRACE(__VA_ARGS__)
|
||||
@@ -47,15 +42,16 @@ DiskCache diskCache;
|
||||
|
||||
class DiskCacheBlock
|
||||
{
|
||||
public:
|
||||
public:
|
||||
DiskCacheBlock();
|
||||
bool read(BYTE* buff, DWORD sector, UINT count);
|
||||
DRESULT fill(BYTE drv, BYTE* buff, DWORD sector, UINT count);
|
||||
DRESULT fill(const diskio_driver_t* drv, BYTE lun, BYTE* buff, DWORD sector,
|
||||
UINT count);
|
||||
void free(DWORD sector, UINT count);
|
||||
void free();
|
||||
bool empty() const;
|
||||
|
||||
private:
|
||||
private:
|
||||
uint8_t data[DISK_CACHE_BLOCK_SIZE];
|
||||
DWORD startSector;
|
||||
DWORD endSector;
|
||||
@@ -77,16 +73,17 @@ bool DiskCacheBlock::read(BYTE * buff, DWORD sector, UINT count)
|
||||
return false;
|
||||
}
|
||||
|
||||
DRESULT DiskCacheBlock::fill(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
DRESULT DiskCacheBlock::fill(const diskio_driver_t* drv, BYTE lun, BYTE * buff,
|
||||
DWORD sector, UINT count)
|
||||
{
|
||||
DRESULT res = __disk_read(drv, data, sector, DISK_CACHE_BLOCK_SECTORS);
|
||||
DRESULT res = drv->read(lun, data, sector, DISK_CACHE_BLOCK_SECTORS);
|
||||
if (res != RES_OK) {
|
||||
return res;
|
||||
}
|
||||
startSector = sector;
|
||||
endSector = sector + DISK_CACHE_BLOCK_SECTORS;
|
||||
memcpy(buff, data, count * BLOCK_SIZE);
|
||||
TRACE_DISK_CACHE("\tcache %p FILLED from read(%u, %u)", this, (uint32_t)sector, (uint32_t)count);
|
||||
TRACE_DISK_CACHE("cache %p FILLED from read(%u, %u)", this, (uint32_t)sector, (uint32_t)count);
|
||||
return RES_OK;
|
||||
}
|
||||
|
||||
@@ -108,13 +105,17 @@ bool DiskCacheBlock::empty() const
|
||||
return (endSector == 0);
|
||||
}
|
||||
|
||||
DiskCache::DiskCache():
|
||||
lastBlock(0)
|
||||
DiskCache::DiskCache() : lastBlock(0), blocks(nullptr), diskDrv(nullptr)
|
||||
{
|
||||
stats.noHits = 0;
|
||||
stats.noMisses = 0;
|
||||
stats.noWrites = 0;
|
||||
}
|
||||
|
||||
void DiskCache::initialize(const diskio_driver_t* drv)
|
||||
{
|
||||
blocks = new DiskCacheBlock[DISK_CACHE_BLOCKS_NUM];
|
||||
diskDrv = drv;
|
||||
}
|
||||
|
||||
void DiskCache::clear()
|
||||
@@ -128,24 +129,28 @@ void DiskCache::clear()
|
||||
}
|
||||
}
|
||||
|
||||
DRESULT DiskCache::read(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
uint32_t DiskCache::getSectors(uint8_t lun)
|
||||
{
|
||||
// TODO: check if not caching first sectors would improve anything
|
||||
// if (sector < 1000) {
|
||||
// ++stats.noMisses;
|
||||
// return __disk_read(drv, buff, sector, count);
|
||||
// }
|
||||
if (sectors == 0) {
|
||||
diskDrv->ioctl(lun, GET_SECTOR_COUNT, §ors);
|
||||
}
|
||||
return sectors;
|
||||
}
|
||||
|
||||
DRESULT DiskCache::read(BYTE lun, BYTE * buff, DWORD sector, UINT count)
|
||||
{
|
||||
// if read is bigger than cache block, then read it directly without using cache
|
||||
if (count > DISK_CACHE_BLOCK_SECTORS) {
|
||||
TRACE_DISK_CACHE("\t\t big read(%u, %u)", (uint32_t)sector, (uint32_t)count);
|
||||
return __disk_read(drv, buff, sector, count);
|
||||
TRACE_DISK_CACHE("big read(%u, %u)", (uint32_t)sector, (uint32_t)count);
|
||||
return diskDrv->read(lun, buff, sector, count);
|
||||
}
|
||||
|
||||
// if block + cache block size is beyond the end of the disk, then read it directly without using cache
|
||||
if (sector + DISK_CACHE_BLOCK_SECTORS >= sdGetNoSectors()) {
|
||||
TRACE_DISK_CACHE("\t\t cache would be beyond end of disk %u (%u)", (uint32_t)sector, sdGetNoSectors());
|
||||
return __disk_read(drv, buff, sector, count);
|
||||
// if block + cache block size is beyond the end of the disk,
|
||||
// then read it directly without using cache
|
||||
if (sector + DISK_CACHE_BLOCK_SECTORS >= getSectors(lun)) {
|
||||
TRACE_DISK_CACHE("cache would be beyond end of disk %u (%u)",
|
||||
(uint32_t)sector, getSectors(lun));
|
||||
return diskDrv->read(lun, buff, sector, count);
|
||||
}
|
||||
|
||||
for (int n = 0; n < DISK_CACHE_BLOCKS_NUM; ++n) {
|
||||
@@ -161,7 +166,7 @@ DRESULT DiskCache::read(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
for (int n = 0; n < DISK_CACHE_BLOCKS_NUM; ++n) {
|
||||
if (blocks[n].empty()) {
|
||||
TRACE_DISK_CACHE("\t\t using free block");
|
||||
return blocks[n].fill(drv, buff, sector, count);
|
||||
return blocks[n].fill(diskDrv, lun, buff, sector, count);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -171,16 +176,16 @@ DRESULT DiskCache::read(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
lastBlock = 0;
|
||||
}
|
||||
|
||||
return blocks[lastBlock].fill(drv, buff, sector, count);
|
||||
return blocks[lastBlock].fill(diskDrv, lun, buff, sector, count);
|
||||
}
|
||||
|
||||
DRESULT DiskCache::write(BYTE drv, const BYTE* buff, DWORD sector, UINT count)
|
||||
DRESULT DiskCache::write(BYTE lun, const BYTE* buff, DWORD sector, UINT count)
|
||||
{
|
||||
++stats.noWrites;
|
||||
for(int n = 0; n < DISK_CACHE_BLOCKS_NUM; ++n) {
|
||||
blocks[n].free(sector, count);
|
||||
}
|
||||
return __disk_write(drv, buff, sector, count);
|
||||
return diskDrv->write(lun, buff, sector, count);
|
||||
}
|
||||
|
||||
const DiskCacheStats & DiskCache::getStats() const
|
||||
@@ -195,13 +200,13 @@ int DiskCache::getHitRate() const
|
||||
return (stats.noHits * 1000) / all;
|
||||
}
|
||||
|
||||
DRESULT disk_read(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
DRESULT disk_cache_read(BYTE drv, BYTE * buff, DWORD sector, UINT count)
|
||||
{
|
||||
return diskCache.read(drv, buff, sector, count);
|
||||
}
|
||||
|
||||
|
||||
DRESULT disk_write(BYTE drv, const BYTE * buff, DWORD sector, UINT count)
|
||||
DRESULT disk_cache_write(BYTE drv, const BYTE * buff, DWORD sector, UINT count)
|
||||
{
|
||||
return diskCache.write(drv, buff, sector, count);
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user