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stm32f4-sdio
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STM32F407VE adaptations, tried to find initialization bug

This commit is contained in:
Mario Hüttel 2017-04-15 19:50:17 +02:00
parent 6d5b9578b9
commit 79d476e1eb
8 changed files with 113 additions and 56 deletions
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6
boot/startup_stm32f4xx.S
View File

@ -131,7 +131,7 @@ g_pfnVectors:
.word _estack
.word Reset_Handler
.word NMI_Handler
.word HardFault_Handler
.word HardFault_PreHandler
.word MemManage_Handler
.word BusFault_Handler
.word UsageFault_Handler
@ -240,8 +240,8 @@ g_pfnVectors:
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak HardFault_PreHandler
.thumb_set HardFault_PreHandler,Default_Handler
.weak MemManage_Handler
.thumb_set MemManage_Handler,Default_Handler

76
fatfs/shimatta_sdio_driver/shimatta_sdio.c
View File

@ -8,6 +8,8 @@
#include "shimatta_sdio.h"
#include "shimatta_sdio_config.h"
#include <cmsis/core_cm4.h>
#include <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)
@ -74,6 +76,7 @@ DSTATUS SDIO_status(){
}
uint32_t debug;
uint32_t debug_timeout;
int debug_acmd = 0;
DSTATUS SDIO_initialize(){
int timeout = 0x3000;
int i;
@ -85,6 +88,7 @@ DSTATUS SDIO_initialize(){
card_type_t detected_card = CARD_NONE;
SDIO_init_hw();
SDIO_wait_ms(2);
SDIO_init_detect_pins();
if (checkNotInserted()) {
return STA_NOINIT | STA_NODISK;
@ -92,6 +96,7 @@ DSTATUS SDIO_initialize(){
debug=0;
SDIO_send_go_idle_CMD0();
SDIO_wait_ms(2);
res8 = SDIO_send_iface_condition_CMD8();
switch (res8) {
case CMD8_VOLTAGE_ACCEPTED: // SDV2 Card
@ -112,7 +117,9 @@ DSTATUS SDIO_initialize(){
do {
resa41 = SDIO_init_card_ACMD41(hcs_flag);
} while((resa41 == ACMD41_RESP_INIT) && (--timeout > 0));
debug++;
debug_acmd = resa41;
debug_timeout= timeout;
switch (resa41) {
case ACMD41_RESP_SDSC:
@ -153,7 +160,7 @@ DSTATUS SDIO_initialize(){
}
uint32_t debug_addr, debug_count;
uint32_t __attribute__ ((aligned (16))) buffer_sdio[512/4];
//uint32_t __attribute__ ((aligned (16))) buffer_sdio[512/4];
DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count){
uint32_t addr;
@ -166,14 +173,14 @@ DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count){
for (; count > 0; count--) {
/* configure read DMA */
DMA2->LIFCR = 0xffffffff;
DMA2->HIFCR = 0xffffffff;
DMASTREAM->NDTR = 0;
DMASTREAM->FCR |= 0x21 | 0x3 | (1<<DMA_SxFCR_DMDIS);
DMASTREAM->M0AR = (uint32_t)(&buffer_sdio);
DMASTREAM->PAR = (uint32_t)&(SDIO->FIFO);
DMASTREAM->CR = DMAP2M | DMA_SxCR_PL_1 | DMA_SxCR_PL_1;
DMASTREAM->CR |= DMA_SxCR_EN;
// 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);
@ -187,29 +194,29 @@ DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count){
SDIO->DCTRL = (BLOCKSIZE<<4) | SDIO_DCTRL_DTDIR | SDIO_DCTRL_DMAEN | SDIO_DCTRL_DTEN;
debug=0;
// 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;
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;
}
while(DMASTREAM->CR & DMA_SxCR_EN);
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();
@ -230,10 +237,6 @@ DRESULT SDIO_disk_read(BYTE *buff, DWORD sector, UINT count){
}
DMASTREAM->CR = 0x0;
while (DMASTREAM->CR);
__asm("dsb");
if (card_info.type == SD_V2_HC) {
addr++;
} else {
@ -398,7 +401,7 @@ int SDIO_get_response(uint8_t expectedCMD, uint8_t typeOfAns, uint32_t *response
return -CTIMEOUT;
}
//Valid Respone Received
if (((SDIO->RESPCMD & SDIO_RESPCMD_RESPCMD) != expectedCMD) && expectedCMD != 0xff)
if (((SDIO->RESPCMD & SDIO_RESPCMD_RESPCMD) != expectedCMD) && (expectedCMD != 0xff))
return -1; //Not the expected respose
//If case of a correct Response
@ -438,7 +441,6 @@ ACMD41_RESP_t 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)) {

5
fatfs/shimatta_sdio_driver/shimatta_sdio_config.h
View File

@ -12,13 +12,14 @@
//4 bit: 4
#define BUSWIDTH 4 //4
//Initial Transfer CLK (ca. 400kHz)
#define INITCLK 120 //120
#define INITCLK 130 //120
//Working CLK (Maximum)
#define WORKCLK 255 //0
//Data Timeout in CLK Cycles
#define DTIMEOUT 0x3000 //150
//DMA Stream used for TX and RX DMA2 Stream 3 or 6 possible
#define DMASTREAM DMA2_Stream6
// Currently not used due to possible misalignment of the data buffer.
//#define DMASTREAM DMA2_Stream6
/* Port Definitions */

20
hardfault/hardfault_prehandler.S Normal file
View File

@ -0,0 +1,20 @@
/* Preliminary Header: Author: Mario Huettel */
.syntax unified
.cpu cortex-m4
.thumb
.type HardFault_PreHandler, %function
.global HardFault_PreHandler
.type HardFault_PreHandler, %function
HardFault_PreHandler:
TST LR, #4 // Test bit 2. If active => PSP was used, else MSP
ITE EQ
MRSEQ R0, MSP // Bit not set => MSP as argument
MRSNE R0, PSP // Bit set => PSP
LDR R1, =HardFault_Handler
BX R1
//.weak HardFault_Handler
//.thumb_set HardFault_Handler, HardFault_Handler_Default
//HardFault_Handler_Default:
//B HardFault_Handler_Default

2
include/fatfs/ffconf.h
View File

@ -98,7 +98,7 @@
*/
#define _USE_LFN 0
#define _USE_LFN 1
#define _MAX_LFN 255
/* The _USE_LFN switches the support of long file name (LFN).
/

54
main.c
View File

@ -10,6 +10,7 @@
#include <fatfs/diskio.h>
#include <uart/uart.h>
#include <stdio.h>
#include <stdint.h>
#define OUTPUT(pin) (0b01 << (pin * 2))
@ -17,24 +18,24 @@ FATFS SDfs;
FIL file;
DIR root;
volatile int w;
DSTATUS SDIO_initialize();
volatile uint32_t sdio_wait;
int initreq = 0xFF;
int main() {
char buff[100];
char buff[1024];
char *name;
FILINFO fno;
RCC->AHB1ENR |= RCC_AHB1ENR_GPIODEN;
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
__DSB();
GPIOD->MODER |= OUTPUT(12) | OUTPUT(13);
GPIOA->MODER |= OUTPUT(6) | OUTPUT(7);
GPIOA->ODR |= (1<<7);
SysTick_Config(8*1680000);
// f_mount(&SDfs, "0:/", 1);
w = 0;
initUART();
setvbuf(stdout, NULL, _IONBF, 0);
while(w<10);
//while(w<10);
initreq = f_mount(&SDfs, "0:/", 1);
while(initreq);
@ -43,16 +44,16 @@ int main() {
if (!f_readdir(&root, &fno))
{
name = fno.fname;
initreq = f_open(&file, _T("test.txt"), FA_READ);
initreq = f_open(&file, name, FA_READ);
if (initreq == FR_OK) {
f_gets(buff, sizeof(buff), &file);
printf("test.txt:\r\n%s\r\n", buff);
printf("%s:\r\n%s\r\n",name, buff);
f_close(&file);
}
}
}
fflush(stdout);
//fflush(stdout);
while(1);
@ -60,8 +61,41 @@ while(1);
}
void HardFault_Handler(uint32_t *stack) {
// unsigned int stacked_r0;
// unsigned int stacked_r1;
// unsigned int stacked_r2;
// unsigned int stacked_r3;
// unsigned int stacked_r12;
// unsigned int stacked_lr;
// unsigned int stacked_pc;
// unsigned int stacked_psr;
//
// stacked_r0 = stack[0];
// stacked_r1 = stack[1];
// stacked_r2 = stack[2];
// stacked_r3 = stack[3];
//
// stacked_r12 = stack[4];
// stacked_lr = stack[5];
// stacked_pc = stack[6];
// stacked_psr = stack[7];
GPIOA->MODER |= OUTPUT(6) | OUTPUT(7);
GPIOA->ODR |= (1<<6) | (1<<7);
while(1);
}
void SysTick_Handler()
{
GPIOD->ODR ^= (1<<12);
GPIOA->ODR ^= (1<<6)|(1<<7);
w++;
sdio_wait++;
}
void SDIO_wait_ms(unsigned int i) {
sdio_wait = 0;
while(sdio_wait<i);
}

2
stm32f407vgt6_flash.ld
View File

@ -37,7 +37,7 @@ _estack = 0x20020000; /* end of 128K RAM on AHB bus*/
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0X0000; /* required amount of heap (DEFAULT 0) */
_Min_Stack_Size = 0x400 ; /* required amount of stack */
_Min_Stack_Size = 0x1000 ; /* required amount of stack */
/* recommended min stack size for printf=0x2000, orig = 0x400 */
/* Specify the memory areas */

4
stm32sdio Debug.launch
View File

@ -25,7 +25,7 @@
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerConnectionAddress" value=""/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerDebugInterface" value="jtag"/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerDeviceEndianness" value="little"/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerDeviceName" value="STM32F407VG"/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerDeviceName" value="STM32F407VE"/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerDeviceSpeed" value="1000"/>
<stringAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerExecutable" value="JLinkGDBServer"/>
<intAttribute key="ilg.gnuarmeclipse.debug.gdbjtag.jlink.gdbServerGdbPortNumber" value="2331"/>
@ -79,5 +79,5 @@
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;&gt;&#10;&lt;memoryBlockExpression address=&quot;536872736&quot; label=&quot;0x20000720&quot;/&gt;&#10;&lt;/memoryBlockExpressionList&gt;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
<stringAttribute key="saved_expressions&lt;seperator&gt;Unknown" value="0x20000720,0x20000920,0x20000c98,0x20000e98,0x20000ec98,buffer_sdio"/>
<stringAttribute key="saved_expressions&lt;seperator&gt;Unknown" value="0x20000720,0x20000920,0x20000c98,0x20000e98,0x20000ec98,buffer_sdio,buff_sdio,sdio_buff"/>
</launchConfiguration>