Jonne Valola / PokittoLib Featured

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

Dependents:   YATTT sd_map_test cPong SnowDemo ... more

PokittoLib

Library for programming Pokitto hardware

How to Use

  1. Import this library to online compiler (see button "import" on the right hand side
  2. DO NOT import mbed-src anymore, a better version is now included inside PokittoLib
  3. Change My_settings.h according to your project
  4. Start coding!

POKITTO_CORE/PokittoDisk.cpp@0:e8b8f36b4505, 2017-09-18 (annotated)

Committer:
Pokitto
Date:
Mon Sep 18 11:47:51 2017 +0000
Revision:
0:e8b8f36b4505
Child:
2:968589ca3484
Initial;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 0:e8b8f36b4505 1 /**************************************************************************/
Pokitto 0:e8b8f36b4505 2 /*!
Pokitto 0:e8b8f36b4505 3 @file Pokitto_disk.cpp
Pokitto 0:e8b8f36b4505 4 @author Jonne Valola
Pokitto 0:e8b8f36b4505 5
Pokitto 0:e8b8f36b4505 6 @section LICENSE
Pokitto 0:e8b8f36b4505 7
Pokitto 0:e8b8f36b4505 8 Pokitto development stage library
Pokitto 0:e8b8f36b4505 9 Software License Agreement
Pokitto 0:e8b8f36b4505 10
Pokitto 0:e8b8f36b4505 11 Copyright (c) 2015, Jonne Valola ("Author")
Pokitto 0:e8b8f36b4505 12 All rights reserved.
Pokitto 0:e8b8f36b4505 13
Pokitto 0:e8b8f36b4505 14 This library is intended solely for the purpose of Pokitto development.
Pokitto 0:e8b8f36b4505 15
Pokitto 0:e8b8f36b4505 16 Redistribution and use in source and binary forms, with or without
Pokitto 0:e8b8f36b4505 17 modification requires written permission from Author.
Pokitto 0:e8b8f36b4505 18 */
Pokitto 0:e8b8f36b4505 19 /**************************************************************************/
Pokitto 0:e8b8f36b4505 20
Pokitto 0:e8b8f36b4505 21 #include "Pokitto.h"
Pokitto 0:e8b8f36b4505 22
Pokitto 0:e8b8f36b4505 23 #define SD_MOSI_PORT 0
Pokitto 0:e8b8f36b4505 24 #define SD_MISO_PORT 0
Pokitto 0:e8b8f36b4505 25 #define SD_SCK_PORT 0
Pokitto 0:e8b8f36b4505 26 #define SD_CS_PORT 0
Pokitto 0:e8b8f36b4505 27 #define SD_MOSI_PIN 9
Pokitto 0:e8b8f36b4505 28 #define SD_MISO_PIN 8
Pokitto 0:e8b8f36b4505 29 #define SD_SCK_PIN 6
Pokitto 0:e8b8f36b4505 30 #define SD_CS_PIN 7
Pokitto 0:e8b8f36b4505 31
Pokitto 0:e8b8f36b4505 32 #if POK_ENABLE_SD > 0
Pokitto 0:e8b8f36b4505 33 BYTE res;
Pokitto 0:e8b8f36b4505 34 FATFS fs; /* File system object */
Pokitto 0:e8b8f36b4505 35 FATDIR dir; /* Directory object */
Pokitto 0:e8b8f36b4505 36 FILINFO fno; /* File information */
Pokitto 0:e8b8f36b4505 37
Pokitto 0:e8b8f36b4505 38 static
Pokitto 0:e8b8f36b4505 39 FATFS *FatFs; /* Pointer to the file system object (logical drive) */
Pokitto 0:e8b8f36b4505 40
Pokitto 0:e8b8f36b4505 41 bool diropened=false;
Pokitto 0:e8b8f36b4505 42
Pokitto 0:e8b8f36b4505 43 #define SPEAKER 3
Pokitto 0:e8b8f36b4505 44 //#define BUFFER_SIZE 256 // was 128
Pokitto 0:e8b8f36b4505 45 #define SONGLENGTH 0x1BFBCD // 1072223
Pokitto 0:e8b8f36b4505 46 #define FILESIZE 0x1BFBCD
Pokitto 0:e8b8f36b4505 47
Pokitto 0:e8b8f36b4505 48 uint8_t filemode = FILE_MODE_UNINITIALIZED;
Pokitto 0:e8b8f36b4505 49 char currentfile[15]; // holds current file's name
Pokitto 0:e8b8f36b4505 50
Pokitto 0:e8b8f36b4505 51 SPI device(CONNECT_MOSI,CONNECT_MISO,CONNECT_SCK);
Pokitto 0:e8b8f36b4505 52 //DigitalOut mmccs(CONNECT_CS);
Pokitto 0:e8b8f36b4505 53
Pokitto 0:e8b8f36b4505 54 const char *get_filename_ext(const char *filename) {
Pokitto 0:e8b8f36b4505 55 const char *dot = strrchr(filename, '.');
Pokitto 0:e8b8f36b4505 56 if(!dot || dot == filename) return "";
Pokitto 0:e8b8f36b4505 57 return dot + 1;
Pokitto 0:e8b8f36b4505 58 }
Pokitto 0:e8b8f36b4505 59
Pokitto 0:e8b8f36b4505 60 __attribute__((section(".SD_Code"))) void initSDGPIO() {
Pokitto 0:e8b8f36b4505 61 LPC_GPIO_PORT->DIR[SD_MOSI_PORT] |= (1 << SD_MOSI_PIN );
Pokitto 0:e8b8f36b4505 62 LPC_GPIO_PORT->DIR[SD_MISO_PORT] |= (1 << SD_MISO_PIN );
Pokitto 0:e8b8f36b4505 63 LPC_GPIO_PORT->DIR[SD_SCK_PORT] |= (1 << SD_SCK_PIN );
Pokitto 0:e8b8f36b4505 64 LPC_GPIO_PORT->DIR[SD_CS_PORT] |= (1 << SD_CS_PIN );
Pokitto 0:e8b8f36b4505 65 }
Pokitto 0:e8b8f36b4505 66
Pokitto 0:e8b8f36b4505 67 __attribute__((section(".SD_Code"))) int pokInitSD() {
Pokitto 0:e8b8f36b4505 68 initSDGPIO();
Pokitto 0:e8b8f36b4505 69 res = disk_initialize();
Pokitto 0:e8b8f36b4505 70 res = (pf_mount(&fs));
Pokitto 0:e8b8f36b4505 71 res = pf_opendir(&dir,"");
Pokitto 0:e8b8f36b4505 72 if (res) diropened=false;
Pokitto 0:e8b8f36b4505 73 else diropened=true;
Pokitto 0:e8b8f36b4505 74 return res;
Pokitto 0:e8b8f36b4505 75 }
Pokitto 0:e8b8f36b4505 76
Pokitto 0:e8b8f36b4505 77
Pokitto 0:e8b8f36b4505 78 /** PUBLIC FUNCTIONS **/
Pokitto 0:e8b8f36b4505 79
Pokitto 0:e8b8f36b4505 80 char* getFirstDirEntry() {
Pokitto 0:e8b8f36b4505 81 res=0;
Pokitto 0:e8b8f36b4505 82 if (!diropened) {
Pokitto 0:e8b8f36b4505 83 pokInitSD();
Pokitto 0:e8b8f36b4505 84 }
Pokitto 0:e8b8f36b4505 85 res = pf_opendir(&dir,"");
Pokitto 0:e8b8f36b4505 86 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 87 if (res) return 0;
Pokitto 0:e8b8f36b4505 88 while (res==0) { //while res is ok
Pokitto 0:e8b8f36b4505 89 if ((fno.fattrib & 0x02)==0) {
Pokitto 0:e8b8f36b4505 90 if (fno.fattrib & 0x10) {
Pokitto 0:e8b8f36b4505 91 fno.fname[8]='.';
Pokitto 0:e8b8f36b4505 92 fno.fname[9]='D';
Pokitto 0:e8b8f36b4505 93 fno.fname[10]='I';
Pokitto 0:e8b8f36b4505 94 fno.fname[11]='R';
Pokitto 0:e8b8f36b4505 95 fno.fname[12]='\0';
Pokitto 0:e8b8f36b4505 96 }
Pokitto 0:e8b8f36b4505 97 return fno.fname;
Pokitto 0:e8b8f36b4505 98 }
Pokitto 0:e8b8f36b4505 99 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 100 if (res==0 && dir.index==0) break;
Pokitto 0:e8b8f36b4505 101 }
Pokitto 0:e8b8f36b4505 102 return 0;
Pokitto 0:e8b8f36b4505 103 }
Pokitto 0:e8b8f36b4505 104
Pokitto 0:e8b8f36b4505 105 char* getNextDirEntry() {
Pokitto 0:e8b8f36b4505 106 if (!diropened) pokInitSD();
Pokitto 0:e8b8f36b4505 107 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 108 if (res==0) {
Pokitto 0:e8b8f36b4505 109 while (fno.fattrib & 0x02 && !res) res = pf_readdir(&dir,&fno); //system/hidden file
Pokitto 0:e8b8f36b4505 110 if (fno.fattrib & 0x10) {
Pokitto 0:e8b8f36b4505 111 int a=12;
Pokitto 0:e8b8f36b4505 112 while (a) {
Pokitto 0:e8b8f36b4505 113 fno.fname[a] = fno.fname[a-1];
Pokitto 0:e8b8f36b4505 114 a--;
Pokitto 0:e8b8f36b4505 115 }
Pokitto 0:e8b8f36b4505 116 if (fno.fname[0]) {
Pokitto 0:e8b8f36b4505 117 fno.fname[0]='/';
Pokitto 0:e8b8f36b4505 118 a=0;
Pokitto 0:e8b8f36b4505 119 while (fno.fname[a]) a++;
Pokitto 0:e8b8f36b4505 120 fno.fname[a]='/';
Pokitto 0:e8b8f36b4505 121 }
Pokitto 0:e8b8f36b4505 122
Pokitto 0:e8b8f36b4505 123 /*fno.fname[a++]='.';
Pokitto 0:e8b8f36b4505 124 fno.fname[a++]='D';
Pokitto 0:e8b8f36b4505 125 fno.fname[a++]='I';
Pokitto 0:e8b8f36b4505 126 fno.fname[a++]='R';
Pokitto 0:e8b8f36b4505 127 fno.fname[a]='\0';*/
Pokitto 0:e8b8f36b4505 128 }
Pokitto 0:e8b8f36b4505 129 return fno.fname;
Pokitto 0:e8b8f36b4505 130 }
Pokitto 0:e8b8f36b4505 131 return NULL;
Pokitto 0:e8b8f36b4505 132 }
Pokitto 0:e8b8f36b4505 133
Pokitto 0:e8b8f36b4505 134 char* getNextFile (char* ext){
Pokitto 0:e8b8f36b4505 135
Pokitto 0:e8b8f36b4505 136 if (!diropened) pokInitSD();
Pokitto 0:e8b8f36b4505 137 int a=1;
Pokitto 0:e8b8f36b4505 138 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 139 while (res==0 || a) { //while there are entries and
Pokitto 0:e8b8f36b4505 140 if (dir.index==0) return 0; //end of list
Pokitto 0:e8b8f36b4505 141 a = strcmp((const char*)get_filename_ext(fno.fname),(const char*)ext); // returns 0 if strings are identical
Pokitto 0:e8b8f36b4505 142 if (strcmp(ext,"")==0 && (fno.fattrib & 0x10) == 0) a=0;
Pokitto 0:e8b8f36b4505 143 if (a == 0 && (fno.fattrib & 0x10) == 0) return fno.fname;
Pokitto 0:e8b8f36b4505 144 if (fno.fattrib&0x10) return NULL; //its a directory
Pokitto 0:e8b8f36b4505 145 }
Pokitto 0:e8b8f36b4505 146 }
Pokitto 0:e8b8f36b4505 147
Pokitto 0:e8b8f36b4505 148
Pokitto 0:e8b8f36b4505 149 char* getNextFile() {
Pokitto 0:e8b8f36b4505 150 return getNextFile("");
Pokitto 0:e8b8f36b4505 151 }
Pokitto 0:e8b8f36b4505 152
Pokitto 0:e8b8f36b4505 153 char* getFirstFile(char* ext) {
Pokitto 0:e8b8f36b4505 154 res=0;
Pokitto 0:e8b8f36b4505 155 if (!diropened) {
Pokitto 0:e8b8f36b4505 156 pokInitSD();
Pokitto 0:e8b8f36b4505 157 }
Pokitto 0:e8b8f36b4505 158 res = pf_opendir(&dir,"");
Pokitto 0:e8b8f36b4505 159 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 160 if (res) return 0;
Pokitto 0:e8b8f36b4505 161 while (res==0 || (fno.fattrib & 0x10) == 0) {
Pokitto 0:e8b8f36b4505 162 int a=0;
Pokitto 0:e8b8f36b4505 163 a = strcmp((const char*)get_filename_ext(fno.fname),(const char*)ext); // returns 0 if strings are identical
Pokitto 0:e8b8f36b4505 164 if (!strcmp(ext,"")) a=0;
Pokitto 0:e8b8f36b4505 165 if ( a == 0 && (fno.fattrib & 0x10) == 0) return fno.fname;
Pokitto 0:e8b8f36b4505 166 res = pf_readdir(&dir,&fno); //returns 0 if everything is OK
Pokitto 0:e8b8f36b4505 167 if (res==0 && dir.index==0) break;
Pokitto 0:e8b8f36b4505 168 }
Pokitto 0:e8b8f36b4505 169 return 0;
Pokitto 0:e8b8f36b4505 170 }
Pokitto 0:e8b8f36b4505 171
Pokitto 0:e8b8f36b4505 172 char* getFirstFile() {
Pokitto 0:e8b8f36b4505 173 return getFirstFile("");
Pokitto 0:e8b8f36b4505 174 }
Pokitto 0:e8b8f36b4505 175
Pokitto 0:e8b8f36b4505 176 int isThisFileOpen(char* buffer){
Pokitto 0:e8b8f36b4505 177 int a=0;
Pokitto 0:e8b8f36b4505 178 a = strcmp((const char*)buffer,(const char*)currentfile); // returns 0 if strings are identical
Pokitto 0:e8b8f36b4505 179 if ( a == 0 && filemode != FILE_MODE_FAILED) return 1;
Pokitto 0:e8b8f36b4505 180 return 0;
Pokitto 0:e8b8f36b4505 181 }
Pokitto 0:e8b8f36b4505 182
Pokitto 0:e8b8f36b4505 183 int fileOK() {
Pokitto 0:e8b8f36b4505 184 if (filemode != FILE_MODE_FAILED) return 1;
Pokitto 0:e8b8f36b4505 185 return 0;
Pokitto 0:e8b8f36b4505 186 }
Pokitto 0:e8b8f36b4505 187
Pokitto 0:e8b8f36b4505 188 uint8_t fileOpen(char* buffer, char fmode) {
Pokitto 0:e8b8f36b4505 189 int err;
Pokitto 0:e8b8f36b4505 190 if (filemode == FILE_MODE_UNINITIALIZED) {
Pokitto 0:e8b8f36b4505 191 int a = pf_mount(&fs);
Pokitto 0:e8b8f36b4505 192 if (a) return 1; // 1 means error in this context
Pokitto 0:e8b8f36b4505 193 }
Pokitto 0:e8b8f36b4505 194
Pokitto 0:e8b8f36b4505 195 filemode = fmode;
Pokitto 0:e8b8f36b4505 196 err = pf_open(buffer);
Pokitto 0:e8b8f36b4505 197 if (err==0) {
Pokitto 0:e8b8f36b4505 198 strcpy(currentfile,(const char*)buffer);
Pokitto 0:e8b8f36b4505 199 return 0; // 0 means all clear
Pokitto 0:e8b8f36b4505 200 }
Pokitto 0:e8b8f36b4505 201 // file open failed
Pokitto 0:e8b8f36b4505 202 filemode = FILE_MODE_FAILED;
Pokitto 0:e8b8f36b4505 203 return 1; // 1 means failed
Pokitto 0:e8b8f36b4505 204 }
Pokitto 0:e8b8f36b4505 205
Pokitto 0:e8b8f36b4505 206 void fileClose() {
Pokitto 0:e8b8f36b4505 207 filemode = FILE_MODE_UNINITIALIZED;
Pokitto 0:e8b8f36b4505 208 for (uint8_t i=0; i<15; i++) currentfile[i]=0;
Pokitto 0:e8b8f36b4505 209 }
Pokitto 0:e8b8f36b4505 210
Pokitto 0:e8b8f36b4505 211 int fileGetChar() {
Pokitto 0:e8b8f36b4505 212 BYTE buff[1];
Pokitto 0:e8b8f36b4505 213 WORD br;
Pokitto 0:e8b8f36b4505 214 int err = pf_read(buff, 1, &br); /* Read data to the buff[] */
Pokitto 0:e8b8f36b4505 215 return buff[0];
Pokitto 0:e8b8f36b4505 216 }
Pokitto 0:e8b8f36b4505 217
Pokitto 0:e8b8f36b4505 218 void filePutChar(char c) {
Pokitto 0:e8b8f36b4505 219 WORD bw;
Pokitto 0:e8b8f36b4505 220 pf_write((const void*)&c, 1, &bw);
Pokitto 0:e8b8f36b4505 221 pf_write(0, 0, &bw);
Pokitto 0:e8b8f36b4505 222 }
Pokitto 0:e8b8f36b4505 223
Pokitto 0:e8b8f36b4505 224 void fileWriteBytes(uint8_t * b, uint16_t n) {
Pokitto 0:e8b8f36b4505 225 WORD bw;
Pokitto 0:e8b8f36b4505 226 pf_write((const void*)&b, n, &bw);
Pokitto 0:e8b8f36b4505 227 pf_write(0, 0, &bw);
Pokitto 0:e8b8f36b4505 228 }
Pokitto 0:e8b8f36b4505 229
Pokitto 0:e8b8f36b4505 230 uint16_t fileReadBytes(uint8_t * b, uint16_t n) {
Pokitto 0:e8b8f36b4505 231 WORD br;
Pokitto 0:e8b8f36b4505 232 pf_read(b, n, &br); /* Read data to the buff[] */
Pokitto 0:e8b8f36b4505 233 return br; /* Return number of bytes read */
Pokitto 0:e8b8f36b4505 234 }
Pokitto 0:e8b8f36b4505 235
Pokitto 0:e8b8f36b4505 236 void fileSeekAbsolute(long n) {
Pokitto 0:e8b8f36b4505 237 res = pf_lseek(n);
Pokitto 0:e8b8f36b4505 238 }
Pokitto 0:e8b8f36b4505 239
Pokitto 0:e8b8f36b4505 240 void fileSeekRelative(long n) {
Pokitto 0:e8b8f36b4505 241 if (n<0) if (fs.fptr < -n) n=-fs.fptr;
Pokitto 0:e8b8f36b4505 242 else if (n>0) if (fs.fptr+n > fs.fsize) n=fs.fsize-fs.fptr;
Pokitto 0:e8b8f36b4505 243 res = pf_lseek(fs.fptr + n);
Pokitto 0:e8b8f36b4505 244 }
Pokitto 0:e8b8f36b4505 245
Pokitto 0:e8b8f36b4505 246 void fileRewind() {
Pokitto 0:e8b8f36b4505 247 res = pf_lseek(0);
Pokitto 0:e8b8f36b4505 248 }
Pokitto 0:e8b8f36b4505 249
Pokitto 0:e8b8f36b4505 250 void fileEnd() {
Pokitto 0:e8b8f36b4505 251 res = pf_lseek(fs.fsize);
Pokitto 0:e8b8f36b4505 252 }
Pokitto 0:e8b8f36b4505 253
Pokitto 0:e8b8f36b4505 254 long int fileGetPosition() {
Pokitto 0:e8b8f36b4505 255 return fs.fptr;
Pokitto 0:e8b8f36b4505 256 }
Pokitto 0:e8b8f36b4505 257
Pokitto 0:e8b8f36b4505 258 uint8_t filePeek(long n) {
Pokitto 0:e8b8f36b4505 259 pf_lseek(n);
Pokitto 0:e8b8f36b4505 260 return fileGetChar();
Pokitto 0:e8b8f36b4505 261 }
Pokitto 0:e8b8f36b4505 262
Pokitto 0:e8b8f36b4505 263 void filePoke(long n, uint8_t c) {
Pokitto 0:e8b8f36b4505 264 pf_lseek(n);
Pokitto 0:e8b8f36b4505 265 filePutChar(c);
Pokitto 0:e8b8f36b4505 266 }
Pokitto 0:e8b8f36b4505 267
Pokitto 0:e8b8f36b4505 268 int dirOpen() {
Pokitto 0:e8b8f36b4505 269 return pf_opendir(&dir,"");
Pokitto 0:e8b8f36b4505 270 }
Pokitto 0:e8b8f36b4505 271
Pokitto 0:e8b8f36b4505 272 int dirUp() {
Pokitto 0:e8b8f36b4505 273
Pokitto 0:e8b8f36b4505 274 return 0;
Pokitto 0:e8b8f36b4505 275 }
Pokitto 0:e8b8f36b4505 276
Pokitto 0:e8b8f36b4505 277 #endif // POK_ENABLE_SD
Pokitto 0:e8b8f36b4505 278
Pokitto 0:e8b8f36b4505 279