{"id":98,"date":"2017-04-09T00:16:05","date_gmt":"2017-04-08T22:16:05","guid":{"rendered":"https:\/\/arduinoforlammers.wordpress.com\/?p=98"},"modified":"2022-03-13T12:47:06","modified_gmt":"2022-03-13T11:47:06","slug":"arduino-uno-mh-sd-card-module","status":"publish","type":"post","link":"https:\/\/arduino.net.pl\/index.php\/arduino-uno-mh-sd-card-module\/","title":{"rendered":"Arduino Uno + MH-SD Card Module"},"content":{"rendered":"\n

Dzi\u015b \u0142\u0105czymy modu\u0142 karty SD z Arduino. Inicjujemy, zapisujemy i odczytujemy plik tekstowy na pustej karcie SD. Moja karta ma 1 GB pami\u0119ci i zosta\u0142a sformatowana do FAT32.

Uwaga!<\/strong> W sklepie Bootland<\/a> zauwa\u017cy\u0142em ostrze\u017cenia, \u017ce \u0142\u0105cz\u0105c modu\u0142 z Arduino (Uno) trzeba zastosowa\u0107 konwerter napi\u0119\u0107. Podobno mo\u017cna spali\u0107 kart\u0119. Zaryzykowa\u0142em, nic si\u0119 nie spali\u0142o (jak dot\u0105d). Mo\u017ce jest podobnie jak z wy\u015bwietlaczem Nokii, kto nie wie temu dzia\u0142a na 5V.;)<\/em><\/p>\n\n\n\n\n\n\n\n

\"MH-SDCzytnik kupi\u0142em w sklepie Hipros<\/a>.<\/p>\n\n\n\n

Polecam znakomity tutorial<\/a> ze strony „Henry\u2019s Bench”. Kody poni\u017cej pochodz\u0105 w\u0142a\u015bnie stamt\u0105d.<\/p>\n\n\n\n

Schemat po\u0142\u0105cze\u0144 modu\u0142u z Arduino Uno:<\/strong>
GND-GND
MISO-D12
SCK-D13
MOSI-D11
CS-D10
5V-5V<\/p>\n\n\n\n

\"\"\/<\/figure><\/div>\n\n\n\n

Kod1:<\/h4>\n\n\n\n
\/\/Henry's Bench\n\/\/ LC Studio SD Card Initializing Tutorial\n\/\/Connections:  MOSI - pin 11, MISO - pin 12, CLK - pin 13, CS - pin 10\n\n#include <SD.h>\n#include <SPI.h>\n\nint cs = 10; \/\/ Set Chip Select to pin ten\n\nvoid setup()\n{\n  \/\/ Open serial communications and wait for port to open:\n  Serial.begin(9600);\n  while (!Serial) {\n\n  }\n  Serial.println(\"Initializing SD card...\");\n  Serial.println();\n\n  pinMode(cs, OUTPUT);\n\n  \/\/ Documentation says you're supposed to do this\n  \/\/ even if you don't use it:\n  pinMode(SS, OUTPUT);\n\n  \/\/ see if the card is present and can be initialized:\n  if (!SD.begin(cs)) {\n    Serial.println(\"SD did not initiliaze\");\n    while (1) ;\n  }\n  Serial.println(\"SD initialized.\");\n}\n\nvoid loop()\n{\n}<\/code><\/pre>\n\n\n\n
Kod2:<\/h4>\n\n\n\n
\/\/Henry's Bench\n\/\/ LC Studio SD Card Create and Write to File Tutorial\n\/\/Connections:  MOSI - pin 11, MISO - pin 12, CLK - pin 13, CS - pin 10\n\n#include <SD.h>\n#include <SPI.h>\n\nint cs = 10; \/\/ Set Chip Select to pin ten\n\nFile myFile;  \/\/ a File Object\n\nvoid setup()\n{\n\/\/\nchar myFileName[] = \"MyFile.txt\";  \/\/ The name of the file we will create\n\n\/\/ Open serial communications and wait for port to open:\nSerial.begin(9600);\nwhile (!Serial) {\n\n}\nSerial.println(\"Initializing SD card...\");\nSerial.println();\n\npinMode(cs, OUTPUT);\n\n\/\/ Documentation says you're supposed to do this\n\/\/ even if you don't use it:\npinMode(SS, OUTPUT);\n\n\/\/ see if the card is present and can be initialized:\nif (!SD.begin(cs)) {\nSerial.println(\"SD did not initiliaze\");\nwhile (1) ;\n}\nSerial.println(\"SD initialized.\");\n\n\/\/ Lets check to make sure that the SD card doesn't already have our file\nif (! SD.exists(myFileName)){\n\/\/ This next statement will open a file for writing if it exists\n\/\/ If it does not exist, it will create that file. That's what we're doing here.\nmyFile = SD.open(myFileName, FILE_WRITE);\n\/\/ This next statement checks to see if the file\nmyFile.println(\"My 1st Line of Data\");  \/\/ Send Your First Line to that file\nmyFile.flush();  \/\/ Save it.\n}\nelse{\n\/\/ We got here because the file already exists.\n\/\/ Therefore we're simple opening the file and writing to it. We will add another line at the end.\nmyFile = SD.open(myFileName, FILE_WRITE);\nmyFile.println(\"Another Line of Data\");  \/\/ Send Your First Line to that file\nmyFile.flush();\n\n}\n\nSerial.println(\"Done Writing\");\n\n}\nvoid loop()\n{\n}<\/code><\/pre>\n\n\n\n
Kod3:<\/h4>\n\n\n\n
\/\/Henry's Bench\n\/\/ LC Studio SD Card Read From File Tutorial\n\/\/Connections:  MOSI - pin 11, MISO - pin 12, CLK - pin 13, CS - pin 10\n\n#include <SD.h>\n#include <SPI.h>\n\nint cs = 10; \/\/ Set Chip Select to pin ten\n\nFile myFile;  \/\/ a File Object\n\nvoid setup()\n{\n\/\/\nchar myFileName[] = \"MyFile.txt\";  \/\/ The name of the file we will create\nString LineString = \"\";\n\/\/ Open serial communications and wait for port to open:\nSerial.begin(9600);\nwhile (!Serial) {\n\n}\nSerial.println(\"Initializing SD card...\");\nSerial.println();\n\npinMode(cs, OUTPUT);\n\n\/\/ Documentation says you're supposed to do this\n\/\/ even if you don't use it:\npinMode(SS, OUTPUT);\n\n\/\/ see if the card is present and can be initialized:\nif (!SD.begin(cs)) {\nSerial.println(\"SD did not initiliaze\");\nwhile (1) ;\n}\nSerial.println(\"SD initialized.\");\nSerial.println();\nSerial.println(\"Reading MyFile.txt...\");\nSerial.println();\n\n\/\/ Open our File for Reading\nmyFile = SD.open(myFileName, FILE_READ);\n\n\/\/ Keep Reading String until there are no more\nwhile (myFile.available() != 0) {\n\/\/ read the string until we have a newline\n\/\/ Careful on using this where you don't have newlines.\n\nLineString = myFile.readStringUntil('\\n');\nSerial.println(LineString);\n}\nmyFile.close();\n\nSerial.println();\nSerial.println(\"Done\");\n}\n\nvoid loop()\n{\n\n}<\/code><\/pre>\n\n\n\n\n\n
LINKI<\/h3>\n\n\n\n