mi mi / Mbed 2 deprecated SDFileSystemDMA-test Featured

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Dependencies:   SDFileSystemDMA mbed

Refer to:
https://developer.mbed.org/users/mimi3/code/SDFileSystemDMA

Caution

If your board has SRAM less than or equal to 8KB, the 'buffer' size must be set to 512 Bytes.

NUCLEO-F411RE
About 2.5MBytes/sec
/media/uploads/mimi3/sdfilesystemdma-speed-test-teraterm-output-f411re.png
NUCLEO-L152RE
About 1MBytes/sec
/media/uploads/mimi3/sdfilesystemdma-l152re-cui.png

main.cpp@25:1e42edbeacca, 2017-01-17 (annotated)

Committer:
mimi3
Date:
Tue Jan 17 12:21:46 2017 +0900
Revision:
25:1e42edbeacca
Parent:
24:bea03d091636
Child:
26:1a610f9aec1a
added: Message for creating test file at first time.

added: Comment for RTC error.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimi3 0:8f297fe0c66a 1 #include "mbed.h"
mimi3 0:8f297fe0c66a 2 #include "SDFileSystemDMA.h"
mimi3 3:8b77055a68ec 3
mimi3 9:289de1b6d378 4 /* SD card Interface connection
mimi3 9:289de1b6d378 5 * : aitendo : General
mimi3 9:289de1b6d378 6 * MCU sig. : IFB-254-SD : PIN name
mimi3 9:289de1b6d378 7 --- : 1 : 9 dat2
mimi3 9:289de1b6d378 8 CS : 2 : 1 cs/dat3
mimi3 9:289de1b6d378 9 MOSI : 3 : 2 di/cmd
mimi3 9:289de1b6d378 10 GND : 4 : 3 vss1
mimi3 9:289de1b6d378 11 VCC : 5 : 4 vdd
mimi3 9:289de1b6d378 12 CLK : 6 : 5 clk
mimi3 9:289de1b6d378 13 GND : 7 : 6 vss2
mimi3 9:289de1b6d378 14 MISO : 8 : 7 do/dat0
mimi3 9:289de1b6d378 15 --- : 9 : 8 dat1
mimi3 9:289de1b6d378 16 --- : 10 : 11 wp
mimi3 9:289de1b6d378 17 --- : 11 : 10 cd1
mimi3 9:289de1b6d378 18 --- : 12 : - case GND
mimi3 9:289de1b6d378 19 */
dinau 21:6253a88675a5 20 /* SD card pin
dinau 21:6253a88675a5 21 Pin side
dinau 21:6253a88675a5 22 --------------\
dinau 21:6253a88675a5 23 9 = \ DAT2/NC
dinau 21:6253a88675a5 24 1 ===| CS/DAT3 [CS]
dinau 21:6253a88675a5 25 2 ===| CMD/DI [DI]
dinau 21:6253a88675a5 26 3 ===| VSS1
dinau 21:6253a88675a5 27 Bottom 4 ===| VDD
dinau 21:6253a88675a5 28 View 5 ===| CLK [CLK]
dinau 21:6253a88675a5 29 6 ===| VSS2
dinau 21:6253a88675a5 30 7 ===| DO/DAT0 [DO]
dinau 21:6253a88675a5 31 8 =| DAT1/IRQ
dinau 21:6253a88675a5 32 -----------------
dinau 21:6253a88675a5 33
dinau 21:6253a88675a5 34 Arduino NUCLEO-F411 NUCLEO-F030R8
dinau 21:6253a88675a5 35 Logo side
dinau 21:6253a88675a5 36 -----------------
dinau 21:6253a88675a5 37 8 =| DAT1/IRQ
dinau 21:6253a88675a5 38 7 ===| DO/DAT0 [DO] D12 D12/PA_6 D5/PB_4
dinau 21:6253a88675a5 39 6 ===| VSS2
dinau 21:6253a88675a5 40 Top 5 ===| CLK [CLK] D13 D13/PA_5 D3/PB_3
dinau 21:6253a88675a5 41 View 4 ===| VDD
dinau 21:6253a88675a5 42 3 ===| VSS1
dinau 21:6253a88675a5 43 2 ===| CMD/DI [DI] D11 D11/PA_7 D4/PB_5
dinau 21:6253a88675a5 44 1 ===| CS/DAT3 [CS] D8 D10/PB_6 D10/PB_6
dinau 21:6253a88675a5 45 9 = / DAT2/NC
dinau 21:6253a88675a5 46 --------------/
dinau 21:6253a88675a5 47 */
dinau 21:6253a88675a5 48
mimi3 9:289de1b6d378 49
mimi3 10:5f6fc7dc119b 50 /* You should confirm SPI_DEV macro in "spi_device.h" to specify SPI device number.
mimi3 10:5f6fc7dc119b 51 * (default is 1 (SPI1))
mimi3 10:5f6fc7dc119b 52 */
mimi3 9:289de1b6d378 53 #include "spi_device.h"
mimi3 3:8b77055a68ec 54 #define UART_KEY_PRESS 1
mimi3 3:8b77055a68ec 55
mimi3 10:5f6fc7dc119b 56 #define SPI_CLOCK_HZ ( 12 * 1000000 )
dinau 20:e34f5e5f307b 57
mimi3 0:8f297fe0c66a 58 Timer timer;
mimi3 12:dfa39c797789 59 //Serial pc(PA_9,PA_10);
dinau 21:6253a88675a5 60 Serial pc(USBTX,USBRX); /* Baudrate is 9600bps*/
mimi3 0:8f297fe0c66a 61
mimi3 3:8b77055a68ec 62 SDFileSystem sd( MOSI, MISO, SCLK, CS, "sd", SPI_CLOCK_HZ);
mimi3 1:c39cfc31349d 63
mimi3 25:1e42edbeacca 64 /* Set buffer size */
mimi3 25:1e42edbeacca 65 char buffer[512*1] __attribute__ ((aligned (4))) ; /* 512 bytes */
dinau 21:6253a88675a5 66 //char buffer[512*2] __attribute__ ((aligned (4))) ; /* 1024 bytes */
mimi3 25:1e42edbeacca 67 //char buffer[512*4] __attribute__ ((aligned (4))) ; /* 2048 bytes */
dinau 21:6253a88675a5 68 //char buffer[512*8] __attribute__ ((aligned (4))) ; /* 4096 bytes */
dinau 21:6253a88675a5 69 //char buffer[512*16] __attribute__ ((aligned (4))) ; /* 8192 bytes */
dinau 21:6253a88675a5 70 //char buffer[512*32] __attribute__ ((aligned (4))) ; /* 16384 bytes */
mimi3 12:dfa39c797789 71
mimi3 0:8f297fe0c66a 72 #define X_MEGA_BYTE ((1)*1024*1024) /* 1Mbyte */
mimi3 0:8f297fe0c66a 73 #define FILE_NAME "GPATH"
dinau 20:e34f5e5f307b 74
dinau 22:5c133291a01d 75 #if defined(__CC_ARM) /* ARMCC */
dinau 22:5c133291a01d 76 #define TOOLCHAIN "ARM/uARM"
mimi3 25:1e42edbeacca 77 #define C_VERSION __ARMCC_VERSION
dinau 22:5c133291a01d 78 #elif defined(__GNUC__) /* GCC */
dinau 21:6253a88675a5 79 #define TOOLCHAIN "GCC_ARM"
dinau 21:6253a88675a5 80 #elif defined(__ICCARM__) /* IAR */
dinau 21:6253a88675a5 81 #define TOOLCHAIN "IAR"
dinau 24:bea03d091636 82 #else
dinau 24:bea03d091636 83 #define TOOLCHAIN "Unknown"
dinau 21:6253a88675a5 84 #warning "This compiler is not yet supported."
dinau 21:6253a88675a5 85 #endif
dinau 21:6253a88675a5 86
dinau 21:6253a88675a5 87 int wait_key_press(){
mimi3 3:8b77055a68ec 88 #if UART_KEY_PRESS
mimi3 12:dfa39c797789 89 while(!pc.readable());
dinau 21:6253a88675a5 90 return pc.getc();
mimi3 3:8b77055a68ec 91 #endif
mimi3 0:8f297fe0c66a 92 }
mimi3 0:8f297fe0c66a 93
mimi3 0:8f297fe0c66a 94 void writeTest()
mimi3 0:8f297fe0c66a 95 {
dinau 20:e34f5e5f307b 96 #if !_FS_READONLY
mimi3 12:dfa39c797789 97 //Test write performance by creating a 1MB file
dinau 21:6253a88675a5 98 pc.printf("[Write]: Testing %d bytes buffer: write performance...", sizeof(buffer));
mimi3 12:dfa39c797789 99 fflush(stdout);
mimi3 12:dfa39c797789 100 for(uint32_t k = 0; k < sizeof(buffer); k++){
mimi3 12:dfa39c797789 101 buffer[k] = k & 0xff;
mimi3 12:dfa39c797789 102 }
mimi3 12:dfa39c797789 103
mimi3 12:dfa39c797789 104 FileHandle* file = sd.open(FILE_NAME, O_WRONLY | O_CREAT | O_TRUNC);
mimi3 12:dfa39c797789 105 if (file != NULL) {
mimi3 12:dfa39c797789 106 timer.start();
mimi3 12:dfa39c797789 107 for (uint32_t i = 0; i < (X_MEGA_BYTE / sizeof(buffer)); i++) {
mimi3 12:dfa39c797789 108 if (file->write(buffer, sizeof(buffer)) != sizeof(buffer)) {
mimi3 12:dfa39c797789 109 timer.stop();
mimi3 12:dfa39c797789 110 pc.printf("write error!\n");
mimi3 12:dfa39c797789 111 timer.reset();
mimi3 12:dfa39c797789 112 return;
mimi3 12:dfa39c797789 113 }
mimi3 12:dfa39c797789 114 }
mimi3 12:dfa39c797789 115 timer.stop();
mimi3 12:dfa39c797789 116 if (file->close())
mimi3 12:dfa39c797789 117 pc.printf("failed to close file!\n");
mimi3 12:dfa39c797789 118 else{
mimi3 12:dfa39c797789 119 pc.printf("done!\n\tResult: %d KB/s\n", ( 1024 * 1000000 ) / timer.read_us() );
mimi3 12:dfa39c797789 120 }
mimi3 12:dfa39c797789 121 timer.reset();
mimi3 12:dfa39c797789 122 } else {
mimi3 12:dfa39c797789 123 pc.printf("failed to create file!\n");
mimi3 12:dfa39c797789 124 }
dinau 20:e34f5e5f307b 125 #endif
mimi3 0:8f297fe0c66a 126 }
mimi3 0:8f297fe0c66a 127
mimi3 0:8f297fe0c66a 128 void readTest()
mimi3 0:8f297fe0c66a 129 {
mimi3 12:dfa39c797789 130 //Test read performance by reading the 1MB file created by writeTest()
dinau 21:6253a88675a5 131 pc.printf("[Read]: Testing %d bytes buffer: read performance...", sizeof(buffer));
mimi3 12:dfa39c797789 132 fflush(stdout);
mimi3 12:dfa39c797789 133 FileHandle* file = sd.open(FILE_NAME, O_RDONLY);
mimi3 12:dfa39c797789 134 if (file != NULL) {
mimi3 12:dfa39c797789 135 timer.start();
mimi3 12:dfa39c797789 136 int iterations = 0;
mimi3 12:dfa39c797789 137 while (file->read(buffer, sizeof(buffer)) == sizeof(buffer)){
mimi3 12:dfa39c797789 138 iterations++;
mimi3 12:dfa39c797789 139 }
mimi3 12:dfa39c797789 140 timer.stop();
mimi3 12:dfa39c797789 141 if (iterations != (X_MEGA_BYTE / sizeof(buffer))){
mimi3 12:dfa39c797789 142 pc.printf("read error!\n");
mimi3 12:dfa39c797789 143 }
mimi3 12:dfa39c797789 144 else if (file->close()){
mimi3 12:dfa39c797789 145 pc.printf("failed to close file!\n");
mimi3 12:dfa39c797789 146 }
mimi3 12:dfa39c797789 147 else{
mimi3 12:dfa39c797789 148 pc.printf("done!\n\tResult: %d KB/s\n", ( 1024 * 1000000 ) / timer.read_us());
mimi3 12:dfa39c797789 149 }
mimi3 12:dfa39c797789 150 timer.reset();
mimi3 12:dfa39c797789 151 } else {
mimi3 12:dfa39c797789 152 pc.printf("failed to open file!\n");
mimi3 12:dfa39c797789 153 }
mimi3 12:dfa39c797789 154 }
mimi3 12:dfa39c797789 155
mimi3 12:dfa39c797789 156 void verifyTest()
mimi3 12:dfa39c797789 157 {
mimi3 12:dfa39c797789 158 int errorCount = 0;
mimi3 12:dfa39c797789 159 //Test read performance by reading the 1MB file created by writeTest()
dinau 21:6253a88675a5 160 pc.printf("[Read]: Verifying %d bytes buffer ...", sizeof(buffer));
mimi3 12:dfa39c797789 161 fflush(stdout);
mimi3 12:dfa39c797789 162 FileHandle* file = sd.open(FILE_NAME, O_RDONLY);
mimi3 12:dfa39c797789 163 if (file != NULL) {
mimi3 12:dfa39c797789 164 timer.start();
mimi3 12:dfa39c797789 165 int iterations = 0;
mimi3 12:dfa39c797789 166 while (file->read(buffer, sizeof(buffer)) == sizeof(buffer)){
mimi3 12:dfa39c797789 167 iterations++;
mimi3 12:dfa39c797789 168 for(uint32_t k = 0; k < sizeof(buffer); k++){
mimi3 12:dfa39c797789 169 if ( buffer[k] != (k & 0xff) ){
mimi3 12:dfa39c797789 170 errorCount++;
mimi3 12:dfa39c797789 171 }
mimi3 12:dfa39c797789 172 }
mimi3 12:dfa39c797789 173 }
mimi3 12:dfa39c797789 174 timer.stop();
mimi3 12:dfa39c797789 175 if (iterations != (X_MEGA_BYTE / sizeof(buffer))){
mimi3 12:dfa39c797789 176 pc.printf("read error!\n");
mimi3 12:dfa39c797789 177 }
mimi3 12:dfa39c797789 178 else if (file->close()){
mimi3 12:dfa39c797789 179 pc.printf("failed to close file!\n");
mimi3 12:dfa39c797789 180 }
mimi3 12:dfa39c797789 181 else{
mimi3 12:dfa39c797789 182 // pc.printf("done!\n\tResult: %d KB/s\n", ( 1024 * 1000000 ) / timer.read_us());
mimi3 12:dfa39c797789 183
mimi3 12:dfa39c797789 184 }
mimi3 12:dfa39c797789 185 timer.reset();
mimi3 12:dfa39c797789 186 } else {
mimi3 12:dfa39c797789 187 pc.printf("failed to open file!\n");
mimi3 12:dfa39c797789 188 }
mimi3 12:dfa39c797789 189 pc.printf("\n Error Count : %d", errorCount);
mimi3 0:8f297fe0c66a 190 }
mimi3 0:8f297fe0c66a 191
mimi3 25:1e42edbeacca 192 void warning(){
mimi3 25:1e42edbeacca 193 FileHandle* file = sd.open(FILE_NAME, O_RDONLY);
mimi3 25:1e42edbeacca 194 if (file == NULL) {
mimi3 25:1e42edbeacca 195 pc.printf("\n***************************************");
mimi3 25:1e42edbeacca 196 pc.printf("\n*** First, you must execute [w] command");
mimi3 25:1e42edbeacca 197 pc.printf("\n*** to generate test file ( %s ).",FILE_NAME);
mimi3 25:1e42edbeacca 198 pc.printf("\n***************************************");
mimi3 25:1e42edbeacca 199 } else {
mimi3 25:1e42edbeacca 200 file->close();
mimi3 25:1e42edbeacca 201 }
mimi3 25:1e42edbeacca 202 }
mimi3 25:1e42edbeacca 203
mimi3 25:1e42edbeacca 204 time_t read_rtc(void) {
mimi3 25:1e42edbeacca 205 return 0;
mimi3 25:1e42edbeacca 206 }
dinau 21:6253a88675a5 207
mimi3 0:8f297fe0c66a 208 int main(){
dinau 21:6253a88675a5 209 int i = 1;
mimi3 25:1e42edbeacca 210 /* setbuf( stdout, NULL ); */
mimi3 25:1e42edbeacca 211 /*
mimi3 25:1e42edbeacca 212 * Refer to https://developer.mbed.org/questions/69644/RTC-error-LSE-clock-initialization-faile/
mimi3 25:1e42edbeacca 213 */
mimi3 25:1e42edbeacca 214 attach_rtc(&read_rtc, NULL, NULL, NULL);
mimi3 25:1e42edbeacca 215 /**/
mimi3 12:dfa39c797789 216 while(1){
mimi3 25:1e42edbeacca 217 pc.printf("\n(%2d) ------ SDFileSystemDMA Test ----------------------------",i++);
dinau 24:bea03d091636 218 pc.printf("\nR/W Buffer size = %8d Bytes", sizeof(buffer) );
dinau 24:bea03d091636 219 pc.printf("\nSystemClock = %d Hz",SystemCoreClock);
mimi3 25:1e42edbeacca 220 pc.printf("\nSPI(%d), Max SPI Clock = %d Hz (Probably)",SPI_DEV,SystemCoreClock>>1);
mimi3 25:1e42edbeacca 221 pc.printf("\nCompiler = %s", TOOLCHAIN);
mimi3 25:1e42edbeacca 222 pc.printf("\nmbed-lib = Rev.%d", MBED_LIBRARY_VERSION);
dinau 24:bea03d091636 223 pc.printf("\n\nStart SD card accsess test !");
mimi3 9:289de1b6d378 224 pc.printf("\n[r]: Start Read Test. At least execute [w] onece");
mimi3 9:289de1b6d378 225 pc.printf("\n[w]: Start Write and Read Test");
mimi3 12:dfa39c797789 226 pc.printf("\n[v]: Start Read Verify Test. At least execute [w] onece");
mimi3 25:1e42edbeacca 227 pc.printf("\nNote: Writing is very slow, wait tens of seconds.");
mimi3 25:1e42edbeacca 228 warning();
dinau 24:bea03d091636 229 pc.printf("\n--- Select [r] or [w] or [v]---\n");
mimi3 9:289de1b6d378 230 fflush(stdout);
dinau 21:6253a88675a5 231 char ch = wait_key_press();
mimi3 9:289de1b6d378 232 if( ch =='r' ){
mimi3 9:289de1b6d378 233 readTest();
mimi3 9:289de1b6d378 234 } else if( ch =='w' ){
mimi3 12:dfa39c797789 235 writeTest();
mimi3 12:dfa39c797789 236 readTest();
mimi3 12:dfa39c797789 237 } else if( ch =='v' ){
mimi3 12:dfa39c797789 238 verifyTest();
mimi3 9:289de1b6d378 239 }
dinau 21:6253a88675a5 240 else{
dinau 21:6253a88675a5 241 continue;
dinau 21:6253a88675a5 242 }
dinau 21:6253a88675a5 243 pc.printf("\n--- Press any key ---\n");
dinau 21:6253a88675a5 244 fflush(stdout);
dinau 21:6253a88675a5 245 wait_key_press();
mimi3 12:dfa39c797789 246 }
mimi3 0:8f297fe0c66a 247 }
mimi3 5:fef1667b832e 248