Updater RAM Code

* Add Fatfs for reading from SD card
* Add structure of Hex parser
This commit is contained in:
Mario Hüttel 2020-12-21 17:20:49 +01:00
parent 1167358c5a
commit caabde39d2
15 changed files with 24653 additions and 5 deletions

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@ -1,6 +1,8 @@
RAM_CODE_TARGET = updater-ram-code RAM_CODE_TARGET = updater-ram-code
target = $(RAM_CODE_TARGET)
OBJDIR = obj OBJDIR = obj
CFILES = main.c startup.c CFILES = main.c startup.c hex-parser.c
CFILES += fatfs/ff.c fatfs/diskio.c fatfs/ffsystem.c fatfs/ffunicode.c fatfs/shimatta_sdio_driver/shimatta_sdio.c
LINKER_SCRIPT = ram-link.ld LINKER_SCRIPT = ram-link.ld
MAPFILE = $(RAM_CODE_TARGET) MAPFILE = $(RAM_CODE_TARGET)
PREFIX = arm-none-eabi- PREFIX = arm-none-eabi-
@ -29,9 +31,9 @@ CFLAGS += -Wall -Wextra -Wold-style-declaration -Wuninitialized -Wmaybe-uninitia
OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o) OBJ = $(CFILES:%.c=$(OBJDIR)/%.c.o)
default: $(RAM_CODE_TARGET).bin.c default: $(RAM_CODE_TARGET).bin.h
all: $(RAM_CODE_TARGET).bin.c all: $(RAM_CODE_TARGET).bin.h
%.bin.h: %.bin %.bin.h: %.bin
@echo "[BIN2H] $@" @echo "[BIN2H] $@"
@ -52,11 +54,29 @@ $(OBJ):
@mkdir -p $(OUTPATH) @mkdir -p $(OUTPATH)
$(QUIET)$(CC) $(CFLAGS) -MMD -MT $@ $(INCLUDEPATH) $(DEFINES) -o $@ $(@:$(OBJDIR)/%.c.o=%.c) $(QUIET)$(CC) $(CFLAGS) -MMD -MT $@ $(INCLUDEPATH) $(DEFINES) -o $@ $(@:$(OBJDIR)/%.c.o=%.c)
.PHONY: clean .PHONY: clean qtproject
clean: clean:
@echo [CLEAN] @echo [CLEAN]
$(QUIET)rm -f $(OBJ) $(MAPFILE).map $(CFILES:%.c=$(OBJDIR)/%.c.d) $(RAM_CODE_TARGET).bin $(RAM_CODE_TARGET).elf $(RAM_CODE_TARGET).bin.c $(QUIET)rm -f $(OBJ) $(MAPFILE).map $(CFILES:%.c=$(OBJDIR)/%.c.d) $(RAM_CODE_TARGET).bin $(RAM_CODE_TARGET).elf $(RAM_CODE_TARGET).bin.c
qtproject:
$(QUIET)rm -f $(target).files $(target).cflags $(target).config $(target).creator $(target).includes $(target).creator.user
@echo "Generating source file list"
$(QUIET)echo "$(CFILES)" | tr ' ' '\n' > $(target).files
@echo -n "Appending found header files from folders "
@echo `echo $(INCLUDEPATH) | sed "s/-I//g"`
$(QUIET)for dir in `echo $(INCLUDEPATH) | sed "s/-I//g"`; do \
find `echo "$${dir}"` -name "*.h" >> $(target).files; \
done
@echo "Generating $(target).cflags"
$(QUIET)echo "" > $(target).cflags
@echo "Generating $(target).includes"
$(QUIET)echo $(INCLUDEPATH) | sed "s/-I/,/g" | tr , '\n' | sed "/^$$/d" > $(target).includes;
@echo "Generating $(target).config"
$(QUIET)echo $(DEFINES) | sed "s/-D/,#define /g" | tr , '\n' | sed "/^$$/d" > $(target).config
@echo "Generating $(target).creator"
$(QUIET)echo "[GENERAL]" > $(target).creator
-include $(CFILES:%.c=$(OBJDIR)/%.c.d) -include $(CFILES:%.c=$(OBJDIR)/%.c.d)

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@ -0,0 +1,119 @@
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2019 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include <fatfs/ff.h> /* Obtains integer types */
#include <fatfs/diskio.h> /* Declarations of disk functions */
#include "shimatta_sdio_driver/shimatta_sdio.h"
/* Definitions of physical drive number for each drive */
#define DEV_SD 0 /* Example: Map MMC/SD card to physical drive 0*/
/*
DSTATUS SDIO_status();
DSTATUS SDIO_initialize();
DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count);
DRESULT SDIO_disk_write(const BYTE *buff, DWORD sector, UINT count);
DRESULT SDIO_disk_ioctl(BYTE cmd, void* buff);
*/
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
switch (pdrv) {
case DEV_SD:
return sdio_status();
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
switch (pdrv) {
case DEV_SD:
return sdio_initialize();
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
switch (pdrv) {
case DEV_SD:
return sdio_disk_read(buff, sector, count);
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
switch (pdrv) {
case DEV_SD:
return sdio_disk_write(buff, sector, count);
}
return RES_PARERR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
switch (pdrv) {
case DEV_SD:
return sdio_disk_ioctl(cmd, buff);
}
return RES_PARERR;
}

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/*------------------------------------------------------------------------*/
/* Sample Code of OS Dependent Functions for FatFs */
/* (C)ChaN, 2018 */
/*------------------------------------------------------------------------*/
#include <fatfs/ff.h>
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate a memory block */
/*------------------------------------------------------------------------*/
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
UINT msize /* Number of bytes to allocate */
)
{
return malloc(msize); /* Allocate a new memory block with POSIX API */
}
/*------------------------------------------------------------------------*/
/* Free a memory block */
/*------------------------------------------------------------------------*/
void ff_memfree (
void* mblock /* Pointer to the memory block to free (nothing to do if null) */
)
{
free(mblock); /* Free the memory block with POSIX API */
}
#endif
#if FF_FS_REENTRANT /* Mutal exclusion */
/*------------------------------------------------------------------------*/
/* Create a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to create a new
/ synchronization object for the volume, such as semaphore and mutex.
/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
*/
//const osMutexDef_t Mutex[FF_VOLUMES]; /* Table of CMSIS-RTOS mutex */
int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
BYTE vol, /* Corresponding volume (logical drive number) */
FF_SYNC_t* sobj /* Pointer to return the created sync object */
)
{
/* Win32 */
*sobj = CreateMutex(NULL, FALSE, NULL);
return (int)(*sobj != INVALID_HANDLE_VALUE);
/* uITRON */
// T_CSEM csem = {TA_TPRI,1,1};
// *sobj = acre_sem(&csem);
// return (int)(*sobj > 0);
/* uC/OS-II */
// OS_ERR err;
// *sobj = OSMutexCreate(0, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// *sobj = xSemaphoreCreateMutex();
// return (int)(*sobj != NULL);
/* CMSIS-RTOS */
// *sobj = osMutexCreate(&Mutex[vol]);
// return (int)(*sobj != NULL);
}
/*------------------------------------------------------------------------*/
/* Delete a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to delete a synchronization
/ object that created with ff_cre_syncobj() function. When a 0 is returned,
/ the f_mount() function fails with FR_INT_ERR.
*/
int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to an error */
FF_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
)
{
/* Win32 */
return (int)CloseHandle(sobj);
/* uITRON */
// return (int)(del_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexDel(sobj, OS_DEL_ALWAYS, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// vSemaphoreDelete(sobj);
// return 1;
/* CMSIS-RTOS */
// return (int)(osMutexDelete(sobj) == osOK);
}
/*------------------------------------------------------------------------*/
/* Request Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on entering file functions to lock the volume.
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
*/
int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
FF_SYNC_t sobj /* Sync object to wait */
)
{
/* Win32 */
return (int)(WaitForSingleObject(sobj, FF_FS_TIMEOUT) == WAIT_OBJECT_0);
/* uITRON */
// return (int)(wai_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexPend(sobj, FF_FS_TIMEOUT, &err));
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// return (int)(xSemaphoreTake(sobj, FF_FS_TIMEOUT) == pdTRUE);
/* CMSIS-RTOS */
// return (int)(osMutexWait(sobj, FF_FS_TIMEOUT) == osOK);
}
/*------------------------------------------------------------------------*/
/* Release Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on leaving file functions to unlock the volume.
*/
void ff_rel_grant (
FF_SYNC_t sobj /* Sync object to be signaled */
)
{
/* Win32 */
ReleaseMutex(sobj);
/* uITRON */
// sig_sem(sobj);
/* uC/OS-II */
// OSMutexPost(sobj);
/* FreeRTOS */
// xSemaphoreGive(sobj);
/* CMSIS-RTOS */
// osMutexRelease(sobj);
}
#endif

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@ -0,0 +1,800 @@
#include "shimatta_sdio.h"
#include "shimatta_sdio_config.h"
#include <cmsis/core_cm4.h>
#include <stm32/stm32f4xx.h>
extern void sdio_wait_ms(unsigned int i);
#define SETAF(PORT,PIN,AF) PORT->AFR[(PIN < 8 ? 0 : 1)] |= AF << ((PIN < 8 ? PIN : (PIN - 8)) * 4)
#define READCTRL ((BLOCKSIZE << 4) | SDIO_DCTRL_DMAEN)
#define DMAP2M (DMA_SxCR_CHSEL_2 | DMA_SxCR_PBURST_0 | DMA_SxCR_MBURST_0 | DMA_SxCR_MSIZE_1 | DMA_SxCR_PSIZE_1 | DMA_SxCR_MINC | DMA_SxCR_PFCTRL)
#define DMAM2P (DMA_SxCR_CHSEL_2 | DMA_SxCR_PBURST_0 | DMA_SxCR_MBURST_0 | DMA_SxCR_MSIZE_1 | DMA_SxCR_PSIZE_1 | DMA_SxCR_MINC | DMA_SxCR_PFCTRL | DMA_SxCR_DIR_0)
#define SHORT_ANS 1
#define LONG_ANS 3
#define NO_ANS 0
#define CCRCFAIL 1
#define CTIMEOUT 2
#define CNOTEXPETED 3
/* OCR Register Masks */
#define OCS_CCS (1<<30)
#define OCS_BUSY (1<<31)
enum acmd41_ret {ACMD41_RESP_INIT = 0, ACMD41_RESP_ERR, ACMD41_RESP_SDSC, ACMD41_RESP_SDXC};
enum cmd8_ret {CMD8_RESP_TIMEOUT = 0, CMD8_VOLTAGE_ACCEPTED, CMD8_VOLTAGE_DENIED};
typedef uint8_t CID_t;
static struct sd_info card_info; // = {.type = CARD_NONE};
/**
* @brief checkNotInserted
* @return return 0 if card is inserted, else 1
*/
int sdio_check_inserted() {
#if SDIO_ENABLE_INS
return ((INS_PORT->IDR & (1<<INS_PIN)) == (INS_ACTIVE_LEVEL<<INS_PIN) ? 0 : 1);
#else
return 0; // Assume Card is inserted
#endif
}
/**
* @brief checkWriteProtection
* @return 0 if card is writable.
*/
static int sdio_check_write_protection() {
#if SDIO_ENABLE_WRITEPROT
return ((WRITEPROT_PORT->IDR & (1<<WRITEPROT_PIN)) == (WRITEPROT_ACTIVE_LEVEL<<WRITEPROT_PIN) ? 1 : 0);
#else
return 0; // Assume Card is not write protected
#endif
}
static void sdio_wait_cmd_sent()
{
while (!(SDIO->STA & SDIO_STA_CMDSENT));
SDIO->ICR |= SDIO_ICR_CMDSENTC;
}
static int sdio_send_cmd(uint8_t cmd, uint32_t arg, uint8_t expected_ans){
/* Clear Flags */
SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_CMDRENDC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_CMDSENTC;
/* Send command */
SDIO->ARG = arg;
SDIO->CMD = (cmd & SDIO_CMD_CMDINDEX) | SDIO_CMD_CPSMEN | ((expected_ans << 6) & SDIO_CMD_WAITRESP);
return 0;
}
static int sdio_get_response(uint8_t expected_command, uint8_t type_of_answer, uint32_t *response_buffer) {
uint32_t sdio_status;
/* Wait until command isn't active anymore */
while (SDIO->STA & SDIO_STA_CMDACT);
/* Wait for error or success */
while (1) {
sdio_status = SDIO->STA;
/* Check if a valid response was received */
if (sdio_status & SDIO_STA_CMDREND)
break;
if ((sdio_status & SDIO_STA_CMDSENT) && (type_of_answer == NO_ANS))
break; // No response required
/* Exclude ACMD41 and CMD2 from valid CRC check */
if ((sdio_status & SDIO_STA_CCRCFAIL)) {
if(expected_command == 0xff) {
break;
} else {
return -CCRCFAIL;
}
}
if (sdio_status & SDIO_STA_CTIMEOUT)
return -CTIMEOUT;
}
/* Valid Respone Received */
if (((SDIO->RESPCMD & SDIO_RESPCMD_RESPCMD) != expected_command) && (expected_command != 0xff))
return -CNOTEXPETED; //Not the expected respose
/* If case of a correct Response */
*(response_buffer++) = SDIO->RESP1;
/* Long response */
if (type_of_answer == LONG_ANS) {
*(response_buffer++) = SDIO->RESP2;
*(response_buffer++) = SDIO->RESP3;
*(response_buffer++) = SDIO->RESP4;
}
return 0;
}
/**
* @brief Switch the card to application mode. It now accepts ACMDXX commands
* @return 0 if successfuls
*/
static int sdio_switch_appmode_cmd55()
{
int retry = 0x20;
union sdio_status_conv converter;
uint32_t response;
do {
/* Execute Command and check for valid response */
sdio_send_cmd(55, (card_info.rca<<16)&0xFFFF0000, SHORT_ANS);
if (!sdio_get_response(55, SHORT_ANS, &response))
{
/* Response valid. Check if Card has accepted switch to application command mode */
converter.value = response;
if (converter.statusstruct.APP_CMD == 1)
return 0;
}
} while (--retry > 0);
return -1;
}
enum acmd41_ret sdio_init_card_acmd41(uint8_t HCS)
{
uint32_t response;
int retry = 0x20;
if (sdio_switch_appmode_cmd55())
return ACMD41_RESP_ERR;
do {
sdio_send_cmd(41, (HCS ? (1<<30) : 0) | (1<<28) | (1<<20) |(1<<21)|(1<<22) |(1<<23)|(1<<19), SHORT_ANS);
if (!sdio_get_response(0xFF, SHORT_ANS, &response)) {
if (response & OCS_BUSY) {
/* Card is ready... Who knows why this bit is called busy */
if (response & OCS_CCS) {
return ACMD41_RESP_SDXC;
} else {
return ACMD41_RESP_SDSC;
}
} else {
return ACMD41_RESP_INIT;
}
}
} while (--retry > 0);
return ACMD41_RESP_ERR;
}
static int sdio_send_csd_cmd9(uint16_t rca, uint32_t *response_buffer) {
int timeout = 0x20;
int res;
do {
sdio_send_cmd(9, (rca<<16)&0xFFFF0000, LONG_ANS);
res = sdio_get_response(0xFF, LONG_ANS, response_buffer);
if (!res)
break;
} while (--timeout > 0);
return res;
}
/**
* @brief Send data buffer to SD card
* @param dlen Data length. Must be a multiple of 4 bytes
* @param blklen Log2 of block length (9 in case of 512 byte block)
* @param buff Buffer to send
*/
static int sdio_write_buffer(uint32_t dlen, uint32_t log_blklen, const unsigned char *buff)
{
uint32_t count;
int byte_count;
int byte_max;
uint32_t fifo;
uint32_t status_reg;
SDIO->DLEN = dlen;
/* Init Transfer */
SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_DCRCFAILC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_DTIMEOUTC |
SDIO_ICR_TXUNDERRC | SDIO_ICR_RXOVERRC | SDIO_ICR_CMDRENDC | SDIO_ICR_CMDSENTC | SDIO_ICR_DATAENDC |
SDIO_ICR_STBITERRC | SDIO_ICR_DBCKENDC | SDIO_ICR_SDIOITC | SDIO_ICR_CEATAENDC;
SDIO->DCTRL = (log_blklen<<4) | SDIO_DCTRL_DTEN;
for (count = 0; count < dlen; count += 4) {
fifo = 0;
if ((dlen - count) < 4)
byte_max = dlen - count;
else
byte_max = 4;
for (byte_count = 0; byte_count < byte_max; byte_count++) {
fifo >>= 8;
fifo |= (((uint32_t)*(buff++)) << 24) & 0xFF000000;
}
/* Wait as long as FIFO is full */
while (SDIO->STA & SDIO_STA_TXFIFOF);
/* Write data to FIFO */
SDIO->FIFO = fifo;
}
/* Wait for TX to complete */
while (SDIO->STA & SDIO_STA_TXACT);
status_reg = SDIO->STA;
if (status_reg & (SDIO_STA_DTIMEOUT | SDIO_STA_TXUNDERR | SDIO_STA_DCRCFAIL)) {
SDIO->DCTRL = 0UL;
return -1;
}
return 0;
}
static int sdio_send_write_block_cmd24(uint32_t addr)
{
uint32_t response;
sdio_send_cmd(24, addr, SHORT_ANS);
return sdio_get_response(24, SHORT_ANS, &response);
}
static int sdio_check_status_register_cmd13(uint16_t rca, uint32_t *status)
{
int timeout = 0x20;
uint32_t response;
int res;
*status = 0UL;
do {
sdio_send_cmd(13, (rca<<16)&0xFFFF0000, SHORT_ANS);
if (!(res = sdio_get_response(13, SHORT_ANS, &response))) {
*status = response;
break;
}
} while (--timeout > 0);
return res;
}
static int sdio_send_bus_width_acmd6(uint8_t bus_width)
{
uint32_t response;
int retry = 0x20;
int ret;
if (sdio_switch_appmode_cmd55()) return -1;
do {
sdio_send_cmd(0x6, (bus_width == 4 ? 0x2 : 0x0), SHORT_ANS);
ret = sdio_get_response(0x6, SHORT_ANS, &response);
if (!ret)
return 0;
} while (--retry > 0);
return ret;
}
static int sdio_get_sector_count(uint16_t rca, uint32_t *sector_count)
{
uint32_t csd[4];
int res;
uint32_t size, mult, read_len, csd_rev;
if ((res = sdio_send_csd_cmd9(rca, csd))) {
return -1;
}
csd_rev = ((csd[0] >> 30) & (0x3));
if (csd_rev == 0) {
/* SD v1 Card */
size = ((csd[1] & 0x3FF) <<2) | (((csd[2]) & ((1<<31) | (1<<30)))>>30);
mult = ((csd[2] & ((1<<17)|(1<<16)|(1<<15)))>>15);
read_len = (1<<((csd[1] & ((1<<19)|(1<<18)|(1<<17)|(1<<16)))>>16));
*sector_count = (((size +1)*(1<<(mult+2))*read_len) >> BLOCKSIZE);
} else if (csd_rev == 1) {
/* SD v2 Card */
size = (((csd[1] & 0x3F)<<16) | ((csd[2] & 0xFFFF0000) >> 16));
*sector_count = (size << (19-BLOCKSIZE));
}
return 0;
}
/**
* @brief Switch the SDIo prescaler
* @param Prescaler value
*/
static void sdio_switch_prescaler(uint8_t clkdiv)
{
uint32_t reg;
reg = SDIO->CLKCR;
/* Clear prescaler */
reg &= ~SDIO_CLKCR_CLKDIV;
/* Set bits */
reg |= (SDIO_CLKCR_CLKDIV & clkdiv);
SDIO->CLKCR = reg;
}
/**
* @brief initDetectandProtectionPins
*/
static void sdio_init_detect_pins()
{
#if SDIO_ENABLE_WRITEPROT==1
WRITEPROT_PORT->PUPDR |= ((WRITEPROT_PULLUP ? 1 : 0)<<WRITEPROT_PIN*2);
#endif /* SDIO_ENABLE_WRITEPROT */
#if SDIO_ENABLE_INS==1
INS_PORT->PUPDR |= ((INS_PULLUP? 1 : 0)<<INS_PIN*2);
#endif /* SDIO_ENABLE_INS */
__DSB();
}
static void sdio_init_hw()
{
//Init Clocks
RCC->AHB1ENR |= PORTCLKMASK | RCC_AHB1ENR_DMA2EN;
RCC->APB2ENR |= RCC_APB2ENR_SDIOEN;
//Init Alternate Functions
CLKPORT->MODER |= (2<<CLKPIN*2);
D0PORT->MODER |= (2<<D0PIN*2);
D0PORT->PUPDR |= (1<<D0PIN*2);
CMDPORT->MODER |= (2<<CMDPIN*2);
CMDPORT->PUPDR |= (1<<CMDPIN*2);
#if BUSWIDTH==4
D1PORT->MODER |= (2<<D1PIN*2);
D1PORT->PUPDR |= (1<<D1PIN*2);
D2PORT->MODER |= (2<<D2PIN*2);
D2PORT->PUPDR |= (1<<D2PIN*2);
D3PORT->MODER |= (2<<D3PIN*2);
D3PORT->PUPDR |= (1<<D3PIN*2);
#endif
//CLKPORT->AFR[(CLKPIN < 8 ? 0 : 1)] |= ALTFUNC << ((CLKPIN < 8 ? CLKPIN : (CLKPIN - 8)) * 4);
SETAF(CLKPORT, CLKPIN, ALTFUNC);
SETAF(CMDPORT, CMDPIN, ALTFUNC);
SETAF(D0PORT, D0PIN, ALTFUNC);
#if BUSWIDTH==4
SETAF(D1PORT, D1PIN, ALTFUNC);
SETAF(D2PORT, D2PIN, ALTFUNC);
SETAF(D3PORT, D3PIN, ALTFUNC);
#endif
//Init Module
//Set CLK Control Register
SDIO->CLKCR = (HW_FLOW<<14) | ((BUSWIDTH == 4 ? 1 : 0)<<11) | SDIO_CLKCR_CLKEN |
(INITCLK & SDIO_CLKCR_CLKDIV);
//Set Data Timeout
SDIO->DTIMER = DTIMEOUT;
//Set Data Parameters
//SDIO->DCTRL = (BLOCKSIZE << 4) | SDIO_DCTRL_DMAEN;
//Set Power Register: Power up Card CLK
SDIO->POWER = SDIO_POWER_PWRCTRL_0 | SDIO_POWER_PWRCTRL_1;
}
static int sdio_send_read_block_cmd17(uint32_t addr)
{
uint32_t response;
sdio_send_cmd(17, addr, SHORT_ANS);
return sdio_get_response(17, SHORT_ANS, &response);
}
static int sdio_send_all_send_cid_cmd2()
{
uint32_t response[4];
int ret;
int retry = 0x20;
do {
sdio_send_cmd(2, 0, LONG_ANS);
if (!(ret = sdio_get_response(0xFF, LONG_ANS, response)))
return 0;
} while (retry-- > 0);
return ret;
}
static int sdio_send_relative_address_cmd3(uint16_t* rca)
{
uint32_t response;
int retry = 0x20;
do {
sdio_send_cmd(3, 0, SHORT_ANS);
if (!sdio_get_response(3, SHORT_ANS, &response)) {
// TODO: Do some *optional* checking
*rca = ((response & 0xFFFF0000) >> 16);
return 0;
}
} while (retry-- > 0);
return -1;
}
static int sdio_send_go_idle_cmd0() {
sdio_send_cmd(0, 0x0, NO_ANS);
sdio_wait_cmd_sent();
return 0;
}
static int sdio_send_stop_transmission_cmd12()
{
int res;
uint32_t response;
sdio_send_cmd(12, 0, SHORT_ANS);
res = sdio_get_response(12, SHORT_ANS, &response);
return res;
}
static int sdio_send_write_multiple_blocks_cmd25(uint32_t address)
{
int res;
uint32_t response;
sdio_send_cmd(25, address, SHORT_ANS);
res = sdio_get_response(25, SHORT_ANS, &response);
return res;
}
static enum cmd8_ret sdio_send_iface_condition_cmd8()
{
uint32_t response;
int res = 0;
int retry = 0x20;
do {
sdio_send_cmd(8, 0x1CC, SHORT_ANS); // 3.3V supply requesR
res = sdio_get_response(8, SHORT_ANS, &response);
if (res == 0) {
if (response & 0x100)
return CMD8_VOLTAGE_ACCEPTED;
else
return CMD8_VOLTAGE_DENIED;
}
} while (retry-- > 0);
return CMD8_RESP_TIMEOUT;
}
static int sdio_send_block_length_cmd16(uint32_t blocklen) {
int timeout = 0x20;
int res;
uint32_t response;
do {
sdio_send_cmd(16, blocklen, SHORT_ANS);
if (!(res = sdio_get_response(16, SHORT_ANS, &response))) {
return 0;
}
}while(--timeout > 0);
return res;
}
static int sdio_send_select_card_cmd7(uint16_t rca) {
int timeout = 0x20;
uint32_t response;
union sdio_status_conv status;
int res;
/* Send CMD7. Selects card */
do {
sdio_send_cmd(7, (rca<<16)&0xFFFF0000, SHORT_ANS);
if (!(res = sdio_get_response(7, SHORT_ANS, &response))) {
break;
}
} while(--timeout > 0);
/* Check, if card in in TRANS state */
if (sdio_check_status_register_cmd13(rca, &status.value)) {
res = -1;
goto ret_val;
}
if (status.statusstruct.CURRENT_STATE != CURRENT_STATE_TRAN)
res = -2;
ret_val:
return res;
}
DSTATUS sdio_status()
{
DSTATUS returnval = 0;
if (sdio_check_inserted())
returnval |= STA_NODISK;
if (card_info.type == CARD_NONE)
returnval |= STA_NOINIT;
if (sdio_check_write_protection())
returnval |= STA_PROTECT;
return returnval;
}
DRESULT sdio_disk_ioctl(BYTE cmd, void* buff){
DRESULT res = RES_OK;
switch(cmd) {
case GET_BLOCK_SIZE:
*((DWORD*)buff) = (DWORD)0x01;
break;
case GET_SECTOR_SIZE:
*((WORD*)buff) = (WORD)(1<<BLOCKSIZE);
break;
case GET_SECTOR_COUNT:
if (card_info.type != CARD_NONE) {
*((DWORD*)buff) = (DWORD)card_info.sector_count;
} else {
res = RES_ERROR;
}
break;
case CTRL_SYNC:
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
return res;
}
DWORD __attribute__((weak)) get_fattime()
{
return (1<<16) | (1<<24); // return Jan. 1st 1980 00:00:00
}
DSTATUS sdio_initialize(){
int timeout = 0x3000;
enum cmd8_ret res8;
enum acmd41_ret resa41;
uint8_t hcs_flag = 0;
card_info.rca = 0;
card_info.type = CARD_NONE;
enum sdio_card_type detected_card = CARD_NONE;
sdio_init_hw();
sdio_wait_ms(2);
sdio_init_detect_pins();
if (sdio_check_inserted()) {
return STA_NOINIT | STA_NODISK;
}
sdio_send_go_idle_cmd0();
sdio_wait_ms(2);
res8 = sdio_send_iface_condition_cmd8();
switch (res8) {
case CMD8_VOLTAGE_ACCEPTED: // SDV2 Card
hcs_flag = 1;
break;
case CMD8_VOLTAGE_DENIED: // should not happen
return STA_NOINIT;
break;
case CMD8_RESP_TIMEOUT: // SDV1 Card
hcs_flag=0;
break;
default:
return STA_NOINIT;
break;
}
do {
//SDIO_wait_ms(2);
resa41 = sdio_init_card_acmd41(hcs_flag);
} while ((resa41 == ACMD41_RESP_INIT) && (--timeout > 0));
switch (resa41) {
case ACMD41_RESP_SDSC:
detected_card = (hcs_flag ? SD_V2_SC : SD_V1);
break;
case ACMD41_RESP_SDXC:
detected_card = SD_V2_HC;
break;
default:
return STA_NOINIT;
break;
}
if (sdio_send_all_send_cid_cmd2())
return STA_NOINIT;
if (sdio_send_relative_address_cmd3(&card_info.rca))
return STA_NOINIT;
if (sdio_get_sector_count(card_info.rca, &card_info.sector_count))
return STA_NOINIT;
if (sdio_send_select_card_cmd7(card_info.rca))
return STA_NOINIT;
if (sdio_send_block_length_cmd16((uint32_t)(1<<BLOCKSIZE)))
return STA_NOINIT;
if (sdio_send_bus_width_acmd6(BUSWIDTH))
return STA_NOINIT;
sdio_switch_prescaler(WORKCLK);
card_info.type = detected_card;
if (sdio_check_write_protection()) {
return STA_PROTECT;
} else
return 0;
}
void sdio_stop_clk()
{
SDIO->POWER = 0UL;
}
DRESULT sdio_disk_read(BYTE *buff, DWORD sector, UINT count){
uint32_t addr;
uint32_t sdio_status;
uint32_t fifo;
uint32_t counter;
int err;
union sdio_status_conv status;
do {
err = sdio_check_status_register_cmd13(card_info.rca, &status.value);
if (err)
return RES_ERROR;
} while (status.statusstruct.CURRENT_STATE != CURRENT_STATE_TRAN);
addr = (card_info.type == SD_V2_HC ? (sector) : (sector*512));
for (; count > 0; count--) {
/* configure read DMA */
// DMA2->LIFCR = 0xffffffff;
// DMA2->HIFCR = 0xffffffff;
// DMASTREAM->NDTR = 0;
// DMASTREAM->FCR = DMA_SxFCR_FTH_0 | DMA_SxFCR_FTH_1 | DMA_SxFCR_DMDIS;
// DMASTREAM->M0AR = (uint32_t)(buff);
// DMASTREAM->PAR = (uint32_t)&(SDIO->FIFO);
// DMASTREAM->CR = DMAP2M | DMA_SxCR_PL_1 | DMA_SxCR_PL_1;
// DMASTREAM->CR |= DMA_SxCR_EN;
SDIO->DLEN = (1 << BLOCKSIZE);
SDIO->ICR = SDIO_ICR_CCRCFAILC | SDIO_ICR_DCRCFAILC | SDIO_ICR_CTIMEOUTC | SDIO_ICR_DTIMEOUTC |
SDIO_ICR_TXUNDERRC | SDIO_ICR_RXOVERRC | SDIO_ICR_CMDRENDC | SDIO_ICR_CMDSENTC | SDIO_ICR_DATAENDC |
SDIO_ICR_STBITERRC | SDIO_ICR_DBCKENDC | SDIO_ICR_SDIOITC | SDIO_ICR_CEATAENDC;
SDIO->DCTRL = (BLOCKSIZE<<4) | SDIO_DCTRL_DTDIR | /*SDIO_DCTRL_DMAEN |*/ SDIO_DCTRL_DTEN;
/* Init Transfer */
err = sdio_send_read_block_cmd17(addr);
if (err) {
return RES_ERROR;
}
counter = 0;
while (counter < (1<<(BLOCKSIZE-2)) || !(SDIO->STA & (SDIO_STA_DBCKEND | SDIO_STA_DATAEND))) {
/* TODO: Handle errors */
if (SDIO->STA & (SDIO_STA_DCRCFAIL | SDIO_STA_DTIMEOUT | SDIO_STA_STBITERR))
{
return RES_ERROR;
}
if (SDIO->STA & SDIO_STA_RXDAVL) {
counter++;
fifo = SDIO->FIFO;
*(buff++) = (BYTE)(fifo & 0xFF);
fifo >>= 8;
*(buff++) = (BYTE)(fifo & 0xFF);
fifo >>= 8;
*(buff++) = (BYTE)(fifo & 0xFF);
fifo >>= 8;
*(buff++) = (BYTE)(fifo & 0xFF);
}
}
if (SDIO->STA & SDIO_STA_DCRCFAIL) return RES_ERROR;
//while(DMASTREAM->CR & DMA_SxCR_EN);
while(1) {
__DSB();
__DMB();
sdio_status = SDIO->STA;
if (sdio_status & SDIO_STA_DCRCFAIL) {
return RES_ERROR;
}
if (sdio_status & SDIO_STA_DTIMEOUT) {
return RES_ERROR;
}
if (sdio_status & SDIO_STA_DATAEND) {
if (!(sdio_status & SDIO_STA_RXACT)) {
break;
}
}
}
if (card_info.type == SD_V2_HC) {
addr++;
} else {
addr += (1<<BLOCKSIZE);
}
}
return RES_OK;
}
/**
* @brief SDIO_disk_write
* @param buff
* @param sector
* @param count
* @warning Not yet implemented
* @return
*/
DRESULT sdio_disk_write(const BYTE *buff, DWORD sector, UINT count)
{
uint32_t addr;
union sdio_status_conv status;
uint32_t buff_offset = 0;
int ret;
UINT count_backup = count;
uint32_t retry_counter = 512;
if (sdio_check_write_protection())
return RES_WRPRT;
addr = (card_info.type == SD_V2_HC ? (sector) : (sector * 512));
ret = sdio_check_status_register_cmd13(card_info.rca, &status.value);
if (ret)
return RES_ERROR;
if (status.statusstruct.CURRENT_STATE == CURRENT_STATE_STBY) {
if (sdio_send_select_card_cmd7(card_info.rca))
return RES_ERROR;
}
while (1) {
ret = sdio_check_status_register_cmd13(card_info.rca, &status.value);
if (ret)
return RES_ERROR;
if (status.statusstruct.CURRENT_STATE == CURRENT_STATE_TRAN)
break;
if (--retry_counter == 0)
return RES_ERROR;
sdio_wait_ms(1);
}
if (count > 1)
ret = sdio_send_write_multiple_blocks_cmd25(addr);
else if (count == 1)
ret = sdio_send_write_block_cmd24(addr);
else
ret = RES_PARERR;
if (ret)
return RES_ERROR;
ret = 0;
ret = sdio_write_buffer((count * 512UL), 9, &buff[buff_offset]);
if (count_backup > 1)
(void)sdio_send_stop_transmission_cmd12();
return (ret ? RES_ERROR : RES_OK);
}

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/*
* shimatta_sdio-driver.h
*
* Created on: Apr 26, 2015
* Mario Hüttel
*/
#ifndef FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_DRIVER_H_
#define FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_DRIVER_H_
#include <fatfs/diskio.h>
#include <fatfs/ff.h>
#include <stdint.h>
DSTATUS sdio_status();
DSTATUS sdio_initialize();
DRESULT sdio_disk_read(BYTE *buff, DWORD sector, UINT count);
DRESULT sdio_disk_write(const BYTE *buff, DWORD sector, UINT count);
DRESULT sdio_disk_ioctl(BYTE cmd, void* buff);
DWORD get_fattime();
int sdio_check_inserted();
void sdio_stop_clk();
//Defines for Card Status in struct _CardStatus
#define CURRENT_STATE_IDLE 0
#define CURRENT_STATE_READY 1
#define CURRENT_STATE_IDENT 2
#define CURRENT_STATE_STBY 3
#define CURRENT_STATE_TRAN 4
#define CURRENT_STATE_DATA 5
#define CURRENT_STATE_RCV 6
#define CURRENT_STATE_PRG 7
#define CURRENT_STATE_DIS 8
struct sd_card_status {
uint32_t reserved : 3;
uint32_t AKE_SEQ_ERROR : 1;
uint32_t reserved_2 : 1;
uint32_t APP_CMD : 1;
uint32_t reserved_3 : 2;
uint32_t READY_FOR_DATA : 1;
uint32_t CURRENT_STATE : 4;
uint32_t ERASE_RESET : 1;
uint32_t CARD_ECC_DIABLED : 1;
uint32_t WP_ERASE_SKIP : 1;
uint32_t CSD_OVERWRITE : 1;
uint32_t reserved17 : 1;
uint32_t reserved18 : 1;
uint32_t ERROR : 1;
uint32_t CC_ERROR : 1;
uint32_t CARD_ECC_FAILED : 1;
uint32_t ILLEGAL_COMMAND : 1;
uint32_t COM_CRC_ERROR : 1;
uint32_t LOCK_UNLOCK_FAILED : 1;
uint32_t CARD_IS_LOCKED : 1;
uint32_t WP_VIOLATION : 1;
uint32_t ERASE_PARAM : 1;
uint32_t ERASE_SEQ_ERROR : 1;
uint32_t BLOCK_LEN_ERROR : 1;
uint32_t ADDRESS_ERROR : 1;
uint32_t OUT_OF_RANGE : 1;
};
enum sdio_card_type {CARD_NONE = 0, MMC, SD_V1, SD_V2_SC, SD_V2_HC};
// MMC not supported
struct sd_info {
uint16_t rca;
enum sdio_card_type type;
uint32_t sector_count;
};
union sdio_status_conv {
struct sd_card_status statusstruct;
uint32_t value;
};
#endif /* FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_DRIVER_H_ */

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#ifndef FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_CONFIG_H_
#define FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_CONFIG_H_
#include <stm32/stm32f4xx.h>
#define SDIO_CLOCK_FREQ 42000000UL
//General Definitions
//Blocksize: 512 = 2^9 => 9
#define BLOCKSIZE 9 //9
//Hardware Flow: Prevents over- and underruns.
#define HW_FLOW 0 //0
//1 bit: !=4
//4 bit: 4
#define BUSWIDTH 4 //4
//Initial Transfer CLK (ca. 400kHz)
#define INITCLK 140UL //120
//Working CLK (Maximum)
#define WORKCLK 30UL //0
//Data Timeout in CLK Cycles
#define DATA_TIMEOUT_MS 250UL // 250
#define DTIMEOUT (((SDIO_CLOCK_FREQ / (WORKCLK+2))) * DATA_TIMEOUT_MS / 1000UL)
//DMA Stream used for TX and RX DMA2 Stream 3 or 6 possible
// Currently not used due to possible misalignment of the data buffer.
//#define DMASTREAM DMA2_Stream6
/* Port Definitions */
#define PORTCLKMASK (RCC_AHB1ENR_GPIODEN | RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIOAEN)
#define ALTFUNC 12
#define CLKPORT GPIOC
#define D0PORT GPIOC
#define D1PORT GPIOC
#define D2PORT GPIOC
#define D3PORT GPIOC
#define CMDPORT GPIOD
#define CLKPIN 12
#define D0PIN 8
#define D1PIN 9
#define D2PIN 10
#define D3PIN 11
#define CMDPIN 2
// Write Protection
#define SDIO_ENABLE_WRITEPROT 0
#define WRITEPROT_PORT GPIOD // Add this port to port clock mask!
#define WRITEPROT_PIN 0
#define WRITEPROT_PULLUP 0
#define WRITEPROT_ACTIVE_LEVEL 0
// Card inserted pin
#define SDIO_ENABLE_INS 1
#define INS_PORT GPIOA // Add this port to port clock mask!
#define INS_PIN 8
#define INS_PULLUP 1
#define INS_ACTIVE_LEVEL 0
#endif /* FATFS_SHIMATTA_SDIO_DRIVER_SHIMATTA_SDIO_CONFIG_H_ */

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#include "hex-parser.h"
#include <stddef.h>
static int convert_hex_char_to_value(char c, uint32_t *out)
{
int ret = 0;
uint32_t value = 0;
if (!out)
return -1002;
switch (c) {
case '0' ... '9':
value = (uint32_t)c - (uint32_t)'0';
break;
case 'a' ... 'f':
/* Convert to upper */
c -= 0x20;
/* FALLTHRU */
case 'A' ... 'F':
value = (uint32_t)c - (uint32_t)'A' + 10UL;
break;
default:
ret = -1;
}
if (ret == 0)
*out = value;
return ret;
}
static int convert_big_endian_hex_string_to_val(const char *string, size_t len, uint32_t *out)
{
int ret_val = -1;
uint32_t converted_value = 0UL;
uint32_t digit;
int res;
unsigned int i;
/* Return error in case of an input error */
if (!string || !len)
goto exit;
if (!out)
return -1003;
/* we don't support strings larger than 8 chars */
if (len > 8)
goto exit;
for (i = 0; i < len && string[i] != '\0'; i++) {
/* Convert current character to number */
res = convert_hex_char_to_value(string[i], &digit);
if (res) {
/* Not a hex number */
ret_val = -2;
goto exit;
}
converted_value *= 0x10;
converted_value += digit;
}
*out = converted_value;
exit:
return ret_val;
}
enum hex_parser_ret hex_parser_open(struct hex_parser *parser, const char *file_name)
{
FRESULT fres;
if (!parser || !file_name)
return HEX_PARSER_ERROR;
parser->current_address_offset = 0UL;
fres = f_open(&parser->file, file_name, FA_READ);
if (fres != FR_OK) {
return HEX_PARSER_ERROR;
}
return HEX_PARSER_OK;
}
enum hex_parser_ret hex_parser_parse(struct hex_parser *parser, uint32_t *address, char *data, size_t data_len);
enum hex_parser_ret hex_parser_close(struct hex_parser *parser) {
if (!parser)
return HEX_PARSER_ERROR;
f_close(&parser->file);
return HEX_PARSER_OK;
}

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#ifndef _HEX_PARSER_H_
#define _HEX_PARSER_H_
#include <stdint.h>
#include <fatfs/ff.h>
#include <stddef.h>
enum hex_parser_ret {
HEX_PARSER_OK,
HEX_PARSER_DATA_OK,
HEX_PARSER_ERROR,
HEX_PARSER_FILE_END,
};
struct hex_parser {
FIL file;
uint32_t current_address_offset;
};
enum hex_parser_ret hex_parser_open(struct hex_parser *parser, const char *file_name);
enum hex_parser_ret hex_parser_parse(struct hex_parser *parser, uint32_t *address, char *data, size_t data_len);
enum hex_parser_ret hex_parser_close(struct hex_parser *parser);
#endif /* _HEX_PARSER_H_ */

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/*-----------------------------------------------------------------------/
/ Low level disk interface modlue include file (C)ChaN, 2019 /
/-----------------------------------------------------------------------*/
#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED
#ifdef __cplusplus
extern "C" {
#endif
#include <fatfs/ff.h>
/* Status of Disk Functions */
typedef BYTE DSTATUS;
/* Results of Disk Functions */
typedef enum {
RES_OK = 0, /* 0: Successful */
RES_ERROR, /* 1: R/W Error */
RES_WRPRT, /* 2: Write Protected */
RES_NOTRDY, /* 3: Not Ready */
RES_PARERR /* 4: Invalid Parameter */
} DRESULT;
/*---------------------------------------*/
/* Prototypes for disk control functions */
DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
/* Disk Status Bits (DSTATUS) */
#define STA_NOINIT 0x01 /* Drive not initialized */
#define STA_NODISK 0x02 /* No medium in the drive */
#define STA_PROTECT 0x04 /* Write protected */
/* Command code for disk_ioctrl fucntion */
/* Generic command (Used by FatFs) */
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
/* Generic command (Not used by FatFs) */
#define CTRL_POWER 5 /* Get/Set power status */
#define CTRL_LOCK 6 /* Lock/Unlock media removal */
#define CTRL_EJECT 7 /* Eject media */
#define CTRL_FORMAT 8 /* Create physical format on the media */
/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE 10 /* Get card type */
#define MMC_GET_CSD 11 /* Get CSD */
#define MMC_GET_CID 12 /* Get CID */
#define MMC_GET_OCR 13 /* Get OCR */
#define MMC_GET_SDSTAT 14 /* Get SD status */
#define ISDIO_READ 55 /* Read data form SD iSDIO register */
#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
/* ATA/CF specific ioctl command */
#define ATA_GET_REV 20 /* Get F/W revision */
#define ATA_GET_MODEL 21 /* Get model name */
#define ATA_GET_SN 22 /* Get serial number */
#ifdef __cplusplus
}
#endif
#endif

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/*----------------------------------------------------------------------------/
/ FatFs - Generic FAT Filesystem module R0.14 /
/-----------------------------------------------------------------------------/
/
/ Copyright (C) 2019, ChaN, all right reserved.
/
/ FatFs module is an open source software. Redistribution and use of FatFs in
/ source and binary forms, with or without modification, are permitted provided
/ that the following condition is met:
/ 1. Redistributions of source code must retain the above copyright notice,
/ this condition and the following disclaimer.
/
/ This software is provided by the copyright holder and contributors "AS IS"
/ and any warranties related to this software are DISCLAIMED.
/ The copyright owner or contributors be NOT LIABLE for any damages caused
/ by use of this software.
/
/----------------------------------------------------------------------------*/
#ifndef FF_DEFINED
#define FF_DEFINED 86606 /* Revision ID */
#ifdef __cplusplus
extern "C" {
#endif
#include "ffconf.h" /* FatFs configuration options */
#if FF_DEFINED != FFCONF_DEF
#error Wrong configuration file (ffconf.h).
#endif
/* Integer types used for FatFs API */
#if defined(_WIN32) /* Main development platform */
#define FF_INTDEF 2
#include <windows.h>
typedef unsigned __int64 QWORD;
#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */
#define FF_INTDEF 2
#include <stdint.h>
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef uint16_t WORD; /* 16-bit unsigned integer */
typedef uint32_t DWORD; /* 32-bit unsigned integer */
typedef uint64_t QWORD; /* 64-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#else /* Earlier than C99 */
#define FF_INTDEF 1
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
typedef unsigned char BYTE; /* char must be 8-bit */
typedef unsigned short WORD; /* 16-bit unsigned integer */
typedef unsigned long DWORD; /* 32-bit unsigned integer */
typedef WORD WCHAR; /* UTF-16 character type */
#endif
/* Definitions of volume management */
#if FF_MULTI_PARTITION /* Multiple partition configuration */
typedef struct {
BYTE pd; /* Physical drive number */
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
} PARTITION;
extern PARTITION VolToPart[]; /* Volume - Partition mapping table */
#endif
#if FF_STR_VOLUME_ID
#ifndef FF_VOLUME_STRS
extern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */
#endif
#endif
/* Type of path name strings on FatFs API */
#ifndef _INC_TCHAR
#define _INC_TCHAR
#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */
typedef WCHAR TCHAR;
#define _T(x) L ## x
#define _TEXT(x) L ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */
typedef char TCHAR;
#define _T(x) u8 ## x
#define _TEXT(x) u8 ## x
#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */
typedef DWORD TCHAR;
#define _T(x) U ## x
#define _TEXT(x) U ## x
#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
#error Wrong FF_LFN_UNICODE setting
#else /* ANSI/OEM code in SBCS/DBCS */
typedef char TCHAR;
#define _T(x) x
#define _TEXT(x) x
#endif
#endif
/* Type of file size and LBA variables */
#if FF_FS_EXFAT
#if FF_INTDEF != 2
#error exFAT feature wants C99 or later
#endif
typedef QWORD FSIZE_t;
#if FF_LBA64
typedef QWORD LBA_t;
#else
typedef DWORD LBA_t;
#endif
#else
#if FF_LBA64
#error exFAT needs to be enabled when enable 64-bit LBA
#endif
typedef DWORD FSIZE_t;
typedef DWORD LBA_t;
#endif
/* Filesystem object structure (FATFS) */
typedef struct {
BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE pdrv; /* Associated physical drive */
BYTE n_fats; /* Number of FATs (1 or 2) */
BYTE wflag; /* win[] flag (b0:dirty) */
BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
WORD id; /* Volume mount ID */
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
WORD csize; /* Cluster size [sectors] */
#if FF_MAX_SS != FF_MIN_SS
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
#endif
#if FF_USE_LFN
WCHAR* lfnbuf; /* LFN working buffer */
#endif
#if FF_FS_EXFAT
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
#endif
#if FF_FS_REENTRANT
FF_SYNC_t sobj; /* Identifier of sync object */
#endif
#if !FF_FS_READONLY
DWORD last_clst; /* Last allocated cluster */
DWORD free_clst; /* Number of free clusters */
#endif
#if FF_FS_RPATH
DWORD cdir; /* Current directory start cluster (0:root) */
#if FF_FS_EXFAT
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
#endif
#endif
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
DWORD fsize; /* Size of an FAT [sectors] */
LBA_t volbase; /* Volume base sector */
LBA_t fatbase; /* FAT base sector */
LBA_t dirbase; /* Root directory base sector/cluster */
LBA_t database; /* Data base sector */
#if FF_FS_EXFAT
LBA_t bitbase; /* Allocation bitmap base sector */
#endif
LBA_t winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
} FATFS;
/* Object ID and allocation information (FFOBJID) */
typedef struct {
FATFS* fs; /* Pointer to the hosting volume of this object */
WORD id; /* Hosting volume mount ID */
BYTE attr; /* Object attribute */
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
#if FF_FS_EXFAT
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
#endif
#if FF_FS_LOCK
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
#endif
} FFOBJID;
/* File object structure (FIL) */
typedef struct {
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
LBA_t sect; /* Sector number appearing in buf[] (0:invalid) */
#if !FF_FS_READONLY
LBA_t dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
#endif
#if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
} FIL;
/* Directory object structure (DIR) */
typedef struct {
FFOBJID obj; /* Object identifier */
DWORD dptr; /* Current read/write offset */
DWORD clust; /* Current cluster */
LBA_t sect; /* Current sector (0:Read operation has terminated) */
BYTE* dir; /* Pointer to the directory item in the win[] */
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
#if FF_USE_LFN
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
#endif
#if FF_USE_FIND
const TCHAR* pat; /* Pointer to the name matching pattern */
#endif
} DIR;
/* File information structure (FILINFO) */
typedef struct {
FSIZE_t fsize; /* File size */
WORD fdate; /* Modified date */
WORD ftime; /* Modified time */
BYTE fattrib; /* File attribute */
#if FF_USE_LFN
TCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */
TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */
#else
TCHAR fname[12 + 1]; /* File name */
#endif
} FILINFO;
/* Format parameter structure (MKFS_PARM) */
typedef struct {
BYTE fmt; /* Format option (FM_FAT, FM_FAT32, FM_EXFAT and FM_SFD) */
BYTE n_fat; /* Number of FATs */
UINT align; /* Data area alignment (sector) */
UINT n_root; /* Number of root directory entries */
DWORD au_size; /* Cluster size (byte) */
} MKFS_PARM;
/* File function return code (FRESULT) */
typedef enum {
FR_OK = 0, /* (0) Succeeded */
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
FR_INT_ERR, /* (2) Assertion failed */
FR_NOT_READY, /* (3) The physical drive cannot work */
FR_NO_FILE, /* (4) Could not find the file */
FR_NO_PATH, /* (5) Could not find the path */
FR_INVALID_NAME, /* (6) The path name format is invalid */
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
FR_EXIST, /* (8) Access denied due to prohibited access */
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
FR_NOT_ENABLED, /* (12) The volume has no work area */
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
} FRESULT;
/*--------------------------------------------------------------*/
/* FatFs module application interface */
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
FRESULT f_close (FIL* fp); /* Close an open file object */
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
FRESULT f_truncate (FIL* fp); /* Truncate the file */
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
FRESULT f_closedir (DIR* dp); /* Close an open directory */
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, const MKFS_PARM* opt, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const LBA_t ptbl[], void* work); /* Divide a physical drive into some partitions */
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
#define f_error(fp) ((fp)->err)
#define f_tell(fp) ((fp)->fptr)
#define f_size(fp) ((fp)->obj.objsize)
#define f_rewind(fp) f_lseek((fp), 0)
#define f_rewinddir(dp) f_readdir((dp), 0)
#define f_rmdir(path) f_unlink(path)
#define f_unmount(path) f_mount(0, path, 0)
#ifndef EOF
#define EOF (-1)
#endif
/*--------------------------------------------------------------*/
/* Additional user defined functions */
/* RTC function */
#if !FF_FS_READONLY && !FF_FS_NORTC
DWORD get_fattime (void);
#endif
/* LFN support functions */
#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */
DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */
#endif
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
void* ff_memalloc (UINT msize); /* Allocate memory block */
void ff_memfree (void* mblock); /* Free memory block */
#endif
/* Sync functions */
#if FF_FS_REENTRANT
int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */
int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */
void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */
int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
#endif
/*--------------------------------------------------------------*/
/* Flags and offset address */
/* File access mode and open method flags (3rd argument of f_open) */
#define FA_READ 0x01
#define FA_WRITE 0x02
#define FA_OPEN_EXISTING 0x00
#define FA_CREATE_NEW 0x04
#define FA_CREATE_ALWAYS 0x08
#define FA_OPEN_ALWAYS 0x10
#define FA_OPEN_APPEND 0x30
/* Fast seek controls (2nd argument of f_lseek) */
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
/* Format options (2nd argument of f_mkfs) */
#define FM_FAT 0x01
#define FM_FAT32 0x02
#define FM_EXFAT 0x04
#define FM_ANY 0x07
#define FM_SFD 0x08
/* Filesystem type (FATFS.fs_type) */
#define FS_FAT12 1
#define FS_FAT16 2
#define FS_FAT32 3
#define FS_EXFAT 4
/* File attribute bits for directory entry (FILINFO.fattrib) */
#define AM_RDO 0x01 /* Read only */
#define AM_HID 0x02 /* Hidden */
#define AM_SYS 0x04 /* System */
#define AM_DIR 0x10 /* Directory */
#define AM_ARC 0x20 /* Archive */
#ifdef __cplusplus
}
#endif
#endif /* FF_DEFINED */

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@ -0,0 +1,298 @@
/*---------------------------------------------------------------------------/
/ FatFs Functional Configurations
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 86606 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 1
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 2
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 1
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 0
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 0
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 850
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 1
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 255
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be
/ read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
#define FF_FS_RPATH 0
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 1
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 1
#define FF_VOLUME_STRS "SD"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table needs to be defined as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ funciton will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_LBA64 0
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
#define FF_MIN_GPT 0x100000000
/* Minimum number of sectors to switch GPT format to create partition in f_mkfs and
/ f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 0
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2019
/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
/ the timestamp function. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
/* #include <somertos.h> // O/S definitions */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
#define FF_SYNC_t HANDLE
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
/*--- End of configuration options ---*/

View File

@ -1,18 +1,46 @@
#include <stdint.h> #include <stdint.h>
#include <stm32/stm32f4xx.h> #include <stm32/stm32f4xx.h>
#include <cmsis/core_cm4.h> #include <cmsis/core_cm4.h>
#include "hex-parser.h"
#include <fatfs/ff.h>
#include <stdbool.h>
static volatile unsigned int wait_tick;
static void watchdog_ack(void) static void watchdog_ack(void)
{ {
IWDG->KR = 0xAAAA; IWDG->KR = 0xAAAA;
} }
void sdio_wait_ms(unsigned int ms)
{
wait_tick = 0;
while (wait_tick < ms);
}
static FATFS _fs;
#define fs (&_fs)
static void __attribute__((noreturn)) ram_code_exit(bool updated)
{
(void)updated;
NVIC_SystemReset();
while(1);
}
int ram_code_main(void) int ram_code_main(void)
{ {
FRESULT fres;
SysTick_Config(168000UL); SysTick_Config(168000UL);
__enable_irq(); __enable_irq();
fres = f_mount(fs, "0:/", 1);
if (fres != FR_OK) {
ram_code_exit(false);
}
while(1) { while(1) {
__WFI(); __WFI();
} }
@ -24,6 +52,7 @@ void SysTick_Handler(void)
{ {
static uint32_t tick_cnt = 0; static uint32_t tick_cnt = 0;
wait_tick++;
tick_cnt++; tick_cnt++;
watchdog_ack(); watchdog_ack();
if (tick_cnt >= 250) { if (tick_cnt >= 250) {

View File

@ -23,6 +23,8 @@
#include "ram-code/updater-ram-code.bin.h" #include "ram-code/updater-ram-code.bin.h"
#include <stm32/stm32f4xx.h> #include <stm32/stm32f4xx.h>
#include <cmsis/core_cm4.h> #include <cmsis/core_cm4.h>
#include <stdint.h>
#include <stddef.h>
void __attribute__((noreturn)) start_updater(void) void __attribute__((noreturn)) start_updater(void)
{ {
@ -55,4 +57,3 @@ void __attribute__((noreturn)) start_updater(void)
while(1); while(1);
} }