Tapio Valli / Mbed 2 deprecated LoadCell_STM32_SDRAM_v1

LoadCell_STM32_SDRAM_v1

Dependencies:   BSP_DISCO_F746NG DISCO-F746NG_SDRAMBlockDevice LCD_DISCO_F746NG mbed

Fork of LoadCell_STM32 by Tapio Valli

functions.cpp@7:30df32ea2d03, 2018-03-08 (annotated)

Committer:
tapiov
Date:
Thu Mar 08 20:17:32 2018 +0000
Revision:
7:30df32ea2d03
Parent:
6:641b171407c9 
First commit to publish

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tapiov 1:c3c61d08f31b 1 // LoadCell_STM32_RAM v2 functions
tapiov 1:c3c61d08f31b 2 // (C) Tapio Valli 2018-02-17
tapiov 1:c3c61d08f31b 3
tapiov 1:c3c61d08f31b 4 #include "main.h"
tapiov 1:c3c61d08f31b 5
tapiov 6:641b171407c9 6 int err;
tapiov 1:c3c61d08f31b 7
tapiov 1:c3c61d08f31b 8 void initArray(Array *a, size_t initialSize) {
tapiov 5:f8d3bcb187de 9 a->array = (uint16_t *)malloc(initialSize * sizeof(uint16_t));
tapiov 1:c3c61d08f31b 10 a->used = 0;
tapiov 1:c3c61d08f31b 11 a->size = initialSize;
tapiov 1:c3c61d08f31b 12 }
tapiov 1:c3c61d08f31b 13
tapiov 5:f8d3bcb187de 14 void insertArray(Array *a, uint32_t newsize) {
tapiov 3:22b1719c2b92 15 a->size = newsize;
tapiov 5:f8d3bcb187de 16 a->array = (uint16_t *)realloc(a->array, a->size * sizeof(uint16_t));
tapiov 3:22b1719c2b92 17 a->used = 0;
tapiov 3:22b1719c2b92 18 }
tapiov 3:22b1719c2b92 19
tapiov 1:c3c61d08f31b 20 void freeArray(Array *a) {
tapiov 1:c3c61d08f31b 21 free(a->array);
tapiov 1:c3c61d08f31b 22 a->array = NULL;
tapiov 1:c3c61d08f31b 23 a->used = a->size = 0;
tapiov 1:c3c61d08f31b 24 }
tapiov 1:c3c61d08f31b 25
tapiov 1:c3c61d08f31b 26 size_t string_parser(char *input, char ***word_array)
tapiov 1:c3c61d08f31b 27 {
tapiov 1:c3c61d08f31b 28 size_t n = 0;
tapiov 1:c3c61d08f31b 29 const char *p = input;
tapiov 1:c3c61d08f31b 30
tapiov 1:c3c61d08f31b 31 while ( *p )
tapiov 1:c3c61d08f31b 32 {
tapiov 1:c3c61d08f31b 33 while ( isspace( ( unsigned char )*p ) ) ++p;
tapiov 1:c3c61d08f31b 34 n += *p != '\0';
tapiov 1:c3c61d08f31b 35 while ( *p && !isspace( ( unsigned char )*p ) ) ++p;
tapiov 1:c3c61d08f31b 36 }
tapiov 1:c3c61d08f31b 37
tapiov 1:c3c61d08f31b 38 if ( n )
tapiov 1:c3c61d08f31b 39 {
tapiov 1:c3c61d08f31b 40 size_t i = 0;
tapiov 1:c3c61d08f31b 41
tapiov 1:c3c61d08f31b 42 *word_array = (char**)malloc( n * sizeof( char * ) );
tapiov 1:c3c61d08f31b 43
tapiov 1:c3c61d08f31b 44 p = input;
tapiov 1:c3c61d08f31b 45
tapiov 1:c3c61d08f31b 46 while ( *p )
tapiov 1:c3c61d08f31b 47 {
tapiov 1:c3c61d08f31b 48 while ( isspace( ( unsigned char )*p ) ) ++p;
tapiov 1:c3c61d08f31b 49 if ( *p )
tapiov 1:c3c61d08f31b 50 {
tapiov 1:c3c61d08f31b 51 const char *q = p;
tapiov 1:c3c61d08f31b 52 while ( *p && !isspace( ( unsigned char )*p ) ) ++p;
tapiov 1:c3c61d08f31b 53
tapiov 1:c3c61d08f31b 54 size_t length = p - q;
tapiov 1:c3c61d08f31b 55
tapiov 1:c3c61d08f31b 56 ( *word_array )[i] = ( char * )malloc( length + 1 );
tapiov 1:c3c61d08f31b 57
tapiov 1:c3c61d08f31b 58 strncpy( ( *word_array )[i], q, length );
tapiov 1:c3c61d08f31b 59 ( *word_array )[i][length] = '\0';
tapiov 1:c3c61d08f31b 60
tapiov 1:c3c61d08f31b 61 ++i;
tapiov 1:c3c61d08f31b 62 }
tapiov 1:c3c61d08f31b 63 }
tapiov 1:c3c61d08f31b 64 }
tapiov 1:c3c61d08f31b 65
tapiov 1:c3c61d08f31b 66 return n;
tapiov 1:c3c61d08f31b 67 }
tapiov 1:c3c61d08f31b 68
tapiov 1:c3c61d08f31b 69 void PlotData(uint32_t XCoordinate,uint32_t YCoordinate)
tapiov 1:c3c61d08f31b 70 {
tapiov 1:c3c61d08f31b 71 // Plot at x,y
tapiov 6:641b171407c9 72 lcd.DrawHLine(XCoordinate,YCoordinate,1);
tapiov 1:c3c61d08f31b 73 }
tapiov 1:c3c61d08f31b 74
tapiov 1:c3c61d08f31b 75 void InitScreen(uint32_t BackGroundColor,uint32_t ForeGroundColor)
tapiov 1:c3c61d08f31b 76 {
tapiov 1:c3c61d08f31b 77
tapiov 1:c3c61d08f31b 78 // #define LCD_COLOR_BLUE ((uint32_t)0xFF0000FF)
tapiov 1:c3c61d08f31b 79 // #define LCD_COLOR_GREEN ((uint32_t)0xFF00FF00)
tapiov 1:c3c61d08f31b 80 // #define LCD_COLOR_RED ((uint32_t)0xFFFF0000)
tapiov 1:c3c61d08f31b 81 // #define LCD_COLOR_CYAN ((uint32_t)0xFF00FFFF)
tapiov 1:c3c61d08f31b 82 // #define LCD_COLOR_MAGENTA ((uint32_t)0xFFFF00FF)
tapiov 1:c3c61d08f31b 83 // #define LCD_COLOR_YELLOW ((uint32_t)0xFFFFFF00)
tapiov 1:c3c61d08f31b 84 // #define LCD_COLOR_LIGHTBLUE ((uint32_t)0xFF8080FF)
tapiov 1:c3c61d08f31b 85 // #define LCD_COLOR_LIGHTGREEN ((uint32_t)0xFF80FF80)
tapiov 1:c3c61d08f31b 86 // #define LCD_COLOR_LIGHTRED ((uint32_t)0xFFFF8080)
tapiov 1:c3c61d08f31b 87 // #define LCD_COLOR_LIGHTCYAN ((uint32_t)0xFF80FFFF)
tapiov 1:c3c61d08f31b 88 // #define LCD_COLOR_LIGHTMAGENTA ((uint32_t)0xFFFF80FF)
tapiov 1:c3c61d08f31b 89 // #define LCD_COLOR_LIGHTYELLOW ((uint32_t)0xFFFFFF80)
tapiov 1:c3c61d08f31b 90 // #define LCD_COLOR_DARKBLUE ((uint32_t)0xFF000080)
tapiov 1:c3c61d08f31b 91 // #define LCD_COLOR_DARKGREEN ((uint32_t)0xFF008000)
tapiov 1:c3c61d08f31b 92 // #define LCD_COLOR_DARKRED ((uint32_t)0xFF800000)
tapiov 1:c3c61d08f31b 93 // #define LCD_COLOR_DARKCYAN ((uint32_t)0xFF008080)
tapiov 1:c3c61d08f31b 94 // #define LCD_COLOR_DARKMAGENTA ((uint32_t)0xFF800080)
tapiov 1:c3c61d08f31b 95 // #define LCD_COLOR_DARKYELLOW ((uint32_t)0xFF808000)
tapiov 1:c3c61d08f31b 96 // #define LCD_COLOR_WHITE ((uint32_t)0xFFFFFFFF)
tapiov 1:c3c61d08f31b 97 // #define LCD_COLOR_LIGHTGRAY ((uint32_t)0xFFD3D3D3)
tapiov 1:c3c61d08f31b 98 // #define LCD_COLOR_GRAY ((uint32_t)0xFF808080)
tapiov 1:c3c61d08f31b 99 // #define LCD_COLOR_DARKGRAY ((uint32_t)0xFF404040)
tapiov 1:c3c61d08f31b 100 // #define LCD_COLOR_BLACK ((uint32_t)0xFF000000)
tapiov 1:c3c61d08f31b 101 // #define LCD_COLOR_BROWN ((uint32_t)0xFFA52A2A)
tapiov 1:c3c61d08f31b 102 // #define LCD_COLOR_ORANGE ((uint32_t)0xFFFFA500)
tapiov 1:c3c61d08f31b 103 // #define LCD_COLOR_TRANSPARENT ((uint32_t)0xFF000000)
tapiov 1:c3c61d08f31b 104
tapiov 6:641b171407c9 105 lcd.Clear(BackGroundColor);
tapiov 6:641b171407c9 106 lcd.SetBackColor(BackGroundColor);
tapiov 6:641b171407c9 107 lcd.SetTextColor(ForeGroundColor);
tapiov 6:641b171407c9 108 lcd.SetFont(&Font20);
tapiov 1:c3c61d08f31b 109 }
tapiov 1:c3c61d08f31b 110
tapiov 1:c3c61d08f31b 111 void LCDWrite(uint32_t Line,char Str[],Text_AlignModeTypdef AlignMode)
tapiov 1:c3c61d08f31b 112 {
tapiov 1:c3c61d08f31b 113 char IntStr[50];
tapiov 1:c3c61d08f31b 114
tapiov 1:c3c61d08f31b 115 // InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE,Font20);
tapiov 1:c3c61d08f31b 116
tapiov 6:641b171407c9 117 lcd.ClearStringLine(Line);
tapiov 1:c3c61d08f31b 118 snprintf(IntStr,50,Str);
tapiov 6:641b171407c9 119 lcd.DisplayStringAt(0, LINE(Line), (uint8_t *)IntStr, AlignMode);
tapiov 1:c3c61d08f31b 120 }
tapiov 1:c3c61d08f31b 121
tapiov 1:c3c61d08f31b 122 void CountDown(uint32_t millisecs)
tapiov 1:c3c61d08f31b 123 {
tapiov 1:c3c61d08f31b 124 InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE);
tapiov 1:c3c61d08f31b 125
tapiov 1:c3c61d08f31b 126 LCDWrite(5," ",CENTER_MODE);
tapiov 1:c3c61d08f31b 127 wait_ms(1);
tapiov 1:c3c61d08f31b 128
tapiov 1:c3c61d08f31b 129 LCDWrite(5,"Starting in 3... ",CENTER_MODE);
tapiov 1:c3c61d08f31b 130 wait_ms(millisecs);
tapiov 1:c3c61d08f31b 131
tapiov 1:c3c61d08f31b 132 LCDWrite(5,"Starting in 2... ",CENTER_MODE);
tapiov 1:c3c61d08f31b 133 wait_ms(millisecs);
tapiov 1:c3c61d08f31b 134
tapiov 1:c3c61d08f31b 135 LCDWrite(5,"Starting in 1... ",CENTER_MODE);
tapiov 1:c3c61d08f31b 136 wait_ms(millisecs);
tapiov 1:c3c61d08f31b 137
tapiov 1:c3c61d08f31b 138 InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE);
tapiov 1:c3c61d08f31b 139 LCDWrite(5,"GO!",CENTER_MODE);
tapiov 1:c3c61d08f31b 140 }
tapiov 1:c3c61d08f31b 141
tapiov 1:c3c61d08f31b 142 void SamplePoints(Array *Data,uint32_t NoOfPoints,uint32_t Period_us)
tapiov 1:c3c61d08f31b 143 {
tapiov 1:c3c61d08f31b 144 AnalogIn ain(A0);
tapiov 1:c3c61d08f31b 145 uint32_t i;
tapiov 1:c3c61d08f31b 146
tapiov 1:c3c61d08f31b 147 // Measure NoOfPoints values (f.ex. 19200)
tapiov 1:c3c61d08f31b 148 for(i=0;i<NoOfPoints;i++) {
tapiov 5:f8d3bcb187de 149 Data->array[i]=(uint16_t)(ain.read_u16());
tapiov 1:c3c61d08f31b 150 wait_us(Period_us);
tapiov 1:c3c61d08f31b 151 }
tapiov 1:c3c61d08f31b 152
tapiov 1:c3c61d08f31b 153 InitScreen(LCD_COLOR_BLACK,LCD_COLOR_WHITE);
tapiov 1:c3c61d08f31b 154 LCDWrite(5,"DONE!",CENTER_MODE);
tapiov 1:c3c61d08f31b 155
tapiov 6:641b171407c9 156 pc.printf("Sampling done.\r\n",i);
tapiov 1:c3c61d08f31b 157 }
tapiov 1:c3c61d08f31b 158
tapiov 1:c3c61d08f31b 159 void AvgAndPlotPoints(Array *Data,uint32_t NoOfPoints, uint32_t AvgSize) {
tapiov 1:c3c61d08f31b 160
tapiov 1:c3c61d08f31b 161 uint32_t i1,i2;
tapiov 1:c3c61d08f31b 162
tapiov 1:c3c61d08f31b 163 uint32_t BufferSum,BufferAvg;
tapiov 1:c3c61d08f31b 164 uint32_t XCoord,YCoord;
tapiov 1:c3c61d08f31b 165 char MyStr[50];
tapiov 1:c3c61d08f31b 166
tapiov 6:641b171407c9 167 pc.printf("Averaging... \r\n");
tapiov 1:c3c61d08f31b 168 InitScreen(LCD_COLOR_BLACK,LCD_COLOR_RED);
tapiov 1:c3c61d08f31b 169
tapiov 1:c3c61d08f31b 170 for(i1=0;i1<NoOfPoints;i1++) {
tapiov 1:c3c61d08f31b 171 BufferSum=0;
tapiov 1:c3c61d08f31b 172
tapiov 1:c3c61d08f31b 173 // Read AvgSize samples
tapiov 1:c3c61d08f31b 174 for(i2=i1;i2<i1+AvgSize;i2++) {
tapiov 5:f8d3bcb187de 175 BufferSum=BufferSum+(uint32_t)Data->array[i2];
tapiov 1:c3c61d08f31b 176 }
tapiov 1:c3c61d08f31b 177
tapiov 1:c3c61d08f31b 178 BufferAvg=BufferSum/AvgSize;
tapiov 1:c3c61d08f31b 179
tapiov 1:c3c61d08f31b 180 // Calculate two coords and plot
tapiov 1:c3c61d08f31b 181 XCoord=((i1*480.0)/NoOfPoints);
tapiov 1:c3c61d08f31b 182 YCoord=(272.0*(BufferAvg/65536.0));
tapiov 1:c3c61d08f31b 183
tapiov 1:c3c61d08f31b 184 PlotData(XCoord,YCoord);
tapiov 1:c3c61d08f31b 185 }
tapiov 1:c3c61d08f31b 186
tapiov 6:641b171407c9 187 pc.printf("Averaging done, Points = %u Avg = %u \r\n", i1,AvgSize);
tapiov 1:c3c61d08f31b 188
tapiov 1:c3c61d08f31b 189 LCDWrite(0,"",CENTER_MODE);
tapiov 1:c3c61d08f31b 190 snprintf(MyStr,50,"Pnts = %d Avg = %d",NoOfPoints,AvgSize);
tapiov 1:c3c61d08f31b 191 LCDWrite(0,MyStr,RIGHT_MODE);
tapiov 1:c3c61d08f31b 192 }
tapiov 6:641b171407c9 193
tapiov 6:641b171407c9 194 void BlockDeviceErase() {
tapiov 6:641b171407c9 195 pc.printf("Initializing the block device... ");
tapiov 6:641b171407c9 196 fflush(stdout);
tapiov 6:641b171407c9 197 int err = bd.init();
tapiov 6:641b171407c9 198 pc.printf("%s\n", (err ? "Fail" : "OK"));
tapiov 6:641b171407c9 199 if (err) {
tapiov 6:641b171407c9 200 error("error: %s (%d)\n", strerror(-err), err);
tapiov 6:641b171407c9 201 }
tapiov 6:641b171407c9 202
tapiov 6:641b171407c9 203 pc.printf("Erasing the block device... ");
tapiov 6:641b171407c9 204 fflush(stdout);
tapiov 6:641b171407c9 205 err = bd.erase(0, bd.size());
tapiov 6:641b171407c9 206 printf("%s\n", (err ? "Fail :(" : "OK"));
tapiov 6:641b171407c9 207 if (err) {
tapiov 6:641b171407c9 208 error("error: %s (%d)\n", strerror(-err), err);
tapiov 6:641b171407c9 209 }
tapiov 6:641b171407c9 210 pc.printf("Device size is %d\n",bd.size());
tapiov 6:641b171407c9 211
tapiov 6:641b171407c9 212 printf("Deinitializing the block device... ");
tapiov 6:641b171407c9 213 fflush(stdout);
tapiov 6:641b171407c9 214 err = bd.deinit();
tapiov 6:641b171407c9 215 printf("%s\n", (err ? "Fail" : "OK"));
tapiov 6:641b171407c9 216 if (err) {
tapiov 6:641b171407c9 217 error("error: %s (%d)\n", strerror(-err), err);
tapiov 6:641b171407c9 218 }
tapiov 6:641b171407c9 219 }
tapiov 6:641b171407c9 220
tapiov 6:641b171407c9 221 void MountFS() {
tapiov 6:641b171407c9 222 pc.printf("Mounting the filesystem... ");
tapiov 6:641b171407c9 223 fflush(stdout);
tapiov 6:641b171407c9 224 int err = fs.mount(&bd);
tapiov 6:641b171407c9 225 pc.printf("%s\n", (err ? "Fail" : "OK"));
tapiov 6:641b171407c9 226 if (err) {
tapiov 6:641b171407c9 227 // Reformat if we can't mount the filesystem
tapiov 6:641b171407c9 228 // this should only happen on the first boot
tapiov 6:641b171407c9 229 pc.printf("No filesystem found, formatting... ");
tapiov 6:641b171407c9 230 fflush(stdout);
tapiov 6:641b171407c9 231 err = fs.reformat(&bd,bd.get_program_size());
tapiov 6:641b171407c9 232 pc.printf("%s\n", (err ? "Fail" : "OK"));
tapiov 6:641b171407c9 233 if (err) {
tapiov 6:641b171407c9 234 error("error: %s (%d)\n", strerror(-err), err);
tapiov 6:641b171407c9 235 }
tapiov 6:641b171407c9 236 }
tapiov 6:641b171407c9 237 }
tapiov 6:641b171407c9 238
tapiov 6:641b171407c9 239 void WriteData2FS(Array *Data,uint32_t NoOfPoints,uint32_t FileNumber) {
tapiov 6:641b171407c9 240
tapiov 6:641b171407c9 241 char FName[30];
tapiov 6:641b171407c9 242 uint32_t idx;
tapiov 6:641b171407c9 243
tapiov 6:641b171407c9 244 // Build the filename
tapiov 6:641b171407c9 245 snprintf(FName,30,"/fs/meas%d.txt",FileNumber);
tapiov 6:641b171407c9 246
tapiov 6:641b171407c9 247 // Open the data file
tapiov 6:641b171407c9 248 pc.printf("Opening %s ... ",FName);
tapiov 6:641b171407c9 249 fflush(stdout);
tapiov 6:641b171407c9 250 FILE *f = fopen(FName, "r+");
tapiov 6:641b171407c9 251
tapiov 6:641b171407c9 252 pc.printf("%s\n", (!f ? "Fail" : "OK"));
tapiov 6:641b171407c9 253 if (!f) {
tapiov 6:641b171407c9 254 // Create the data file if it doesn't exist
tapiov 6:641b171407c9 255 pc.printf("No file found, creating a new file... ");
tapiov 6:641b171407c9 256 fflush(stdout);
tapiov 6:641b171407c9 257 f = fopen(FName, "w+");
tapiov 6:641b171407c9 258 pc.printf("%s\n", (!f ? "Fail" : "OK"));
tapiov 6:641b171407c9 259 if (!f) {
tapiov 6:641b171407c9 260 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 261 return;
tapiov 6:641b171407c9 262 }
tapiov 6:641b171407c9 263 }
tapiov 6:641b171407c9 264
tapiov 6:641b171407c9 265 // Write data points to file
tapiov 6:641b171407c9 266 pc.printf("Writing data ... ");
tapiov 6:641b171407c9 267 for (idx=0;idx<NoOfPoints;idx++) {
tapiov 6:641b171407c9 268 err=fprintf(f,"%d\n",(uint16_t)Data->array[idx]);
tapiov 6:641b171407c9 269 if (err < 0) {
tapiov 6:641b171407c9 270 pc.printf("Fail\n");
tapiov 6:641b171407c9 271 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 272 return;
tapiov 6:641b171407c9 273
tapiov 6:641b171407c9 274 }
tapiov 6:641b171407c9 275 }
tapiov 6:641b171407c9 276 pc.printf("\rWriting data done.");
tapiov 6:641b171407c9 277 pc.printf("\r File size is %d",GetFileSize(f));
tapiov 6:641b171407c9 278
tapiov 6:641b171407c9 279 // Close the file which also flushes any cached writes
tapiov 6:641b171407c9 280 pc.printf(" Closing %s ... ",FName);
tapiov 6:641b171407c9 281 fflush(stdout);
tapiov 6:641b171407c9 282 err = fclose(f);
tapiov 6:641b171407c9 283 printf("%s\n", (err < 0 ? "Fail" : "OK"));
tapiov 6:641b171407c9 284 if (err < 0) {
tapiov 6:641b171407c9 285 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 286 return;
tapiov 6:641b171407c9 287 }
tapiov 6:641b171407c9 288 }
tapiov 6:641b171407c9 289
tapiov 6:641b171407c9 290 void ReadFile2Data(Array *Data,uint32_t NoOfPoints,uint32_t FileNumber) {
tapiov 6:641b171407c9 291
tapiov 6:641b171407c9 292 char FName[30];
tapiov 6:641b171407c9 293 uint32_t idx;
tapiov 6:641b171407c9 294
tapiov 6:641b171407c9 295 // Build the filename
tapiov 6:641b171407c9 296 snprintf(FName,30,"/fs/meas%d.txt",FileNumber);
tapiov 6:641b171407c9 297
tapiov 6:641b171407c9 298 // Open the data file for reading
tapiov 6:641b171407c9 299 pc.printf("Opening %s ... ",FName);
tapiov 6:641b171407c9 300 fflush(stdout);
tapiov 6:641b171407c9 301 FILE *f = fopen(FName, "r");
tapiov 6:641b171407c9 302
tapiov 6:641b171407c9 303 pc.printf("%s\n", (!f ? "Fail" : "OK"));
tapiov 6:641b171407c9 304 if (!f) {
tapiov 6:641b171407c9 305 // Print error and return
tapiov 6:641b171407c9 306 pc.printf("File not found. Check name.");
tapiov 6:641b171407c9 307 return;
tapiov 6:641b171407c9 308 }
tapiov 6:641b171407c9 309
tapiov 6:641b171407c9 310 pc.printf("Seeking file... ");
tapiov 6:641b171407c9 311 fflush(stdout);
tapiov 6:641b171407c9 312 err = fseek(f, 0, SEEK_SET);
tapiov 6:641b171407c9 313 printf("%s\n", (err < 0 ? "Fail" : "OK"));
tapiov 6:641b171407c9 314 if (err < 0) {
tapiov 6:641b171407c9 315 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 316 return;
tapiov 6:641b171407c9 317 }
tapiov 6:641b171407c9 318
tapiov 6:641b171407c9 319 // Go through and increment the numbers
tapiov 6:641b171407c9 320 pc.printf("Reading data... ");
tapiov 6:641b171407c9 321 for(idx=0;idx<NoOfPoints;idx++) {
tapiov 6:641b171407c9 322 // Get current stream position
tapiov 6:641b171407c9 323 long pos=ftell(f);
tapiov 6:641b171407c9 324
tapiov 6:641b171407c9 325 // Parse out the number and put it in data array
tapiov 6:641b171407c9 326 uint32_t number;
tapiov 6:641b171407c9 327 fscanf(f,"%d",&number);
tapiov 6:641b171407c9 328 Data->array[idx]=number;
tapiov 6:641b171407c9 329 }
tapiov 6:641b171407c9 330
tapiov 6:641b171407c9 331 pc.printf("\rReading data done. ");
tapiov 6:641b171407c9 332
tapiov 6:641b171407c9 333 // Close the file which also flushes any cached writes
tapiov 6:641b171407c9 334 pc.printf("Closing %s ... ",FName);
tapiov 6:641b171407c9 335 fflush(stdout);
tapiov 6:641b171407c9 336 err = fclose(f);
tapiov 6:641b171407c9 337 pc.printf("%s\n", (err < 0 ? "Fail" : "OK"));
tapiov 6:641b171407c9 338 if (err < 0) {
tapiov 6:641b171407c9 339 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 340 return;
tapiov 6:641b171407c9 341 }
tapiov 6:641b171407c9 342 }
tapiov 6:641b171407c9 343
tapiov 6:641b171407c9 344 void DirListing() {
tapiov 6:641b171407c9 345
tapiov 6:641b171407c9 346 // Display the root directory
tapiov 6:641b171407c9 347 pc.printf("Opening the root directory... ");
tapiov 6:641b171407c9 348 fflush(stdout);
tapiov 6:641b171407c9 349 DIR *d = opendir("/fs/");
tapiov 6:641b171407c9 350 pc.printf("%s\n", (!d ? "Fail" : "OK"));
tapiov 6:641b171407c9 351 if (!d) {
tapiov 6:641b171407c9 352 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 353 return;
tapiov 6:641b171407c9 354 }
tapiov 6:641b171407c9 355
tapiov 6:641b171407c9 356 pc.printf("Root directory:\n");
tapiov 6:641b171407c9 357 while (true) {
tapiov 6:641b171407c9 358 struct dirent *e = readdir(d);
tapiov 6:641b171407c9 359 if (!e) {
tapiov 6:641b171407c9 360 break;
tapiov 6:641b171407c9 361 }
tapiov 6:641b171407c9 362
tapiov 6:641b171407c9 363 pc.printf(" %s\n", e->d_name);
tapiov 6:641b171407c9 364 }
tapiov 6:641b171407c9 365
tapiov 6:641b171407c9 366 pc.printf("Closing the root directory... ");
tapiov 6:641b171407c9 367 fflush(stdout);
tapiov 6:641b171407c9 368 err = closedir(d);
tapiov 6:641b171407c9 369 pc.printf("%s\n", (err < 0 ? "Fail" : "OK"));
tapiov 6:641b171407c9 370 if (err < 0) {
tapiov 6:641b171407c9 371 error("error: %s (%d)\n", strerror(errno), -errno);
tapiov 6:641b171407c9 372 return;
tapiov 6:641b171407c9 373 }
tapiov 6:641b171407c9 374 }
tapiov 6:641b171407c9 375
tapiov 6:641b171407c9 376 uint32_t GetFileSize(FILE *fp) {
tapiov 6:641b171407c9 377 fseek(fp, 0, SEEK_END);
tapiov 6:641b171407c9 378 int size = ftell(fp);
tapiov 6:641b171407c9 379 fseek(fp, 0, SEEK_SET);
tapiov 6:641b171407c9 380
tapiov 6:641b171407c9 381 return size;
tapiov 6:641b171407c9 382 }