From a597ccd2274e1255eddab087377d4330e3d46755 Mon Sep 17 00:00:00 2001
From: KAbhijeet2105 <ajayaish5@gmail.com>
Date: Fri, 27 Mar 2020 02:32:41 +0530
Subject: [PATCH 1/2] new examples added
---
.../InteractiveDirectory.ino | 129 ++++++++++++++++
examples/InteractiveFile/InteractiveFile.ino | 137 +++++++++++++++++
.../InteractiveReadWrite.ino | 142 ++++++++++++++++++
3 files changed, 408 insertions(+)
create mode 100644 examples/InteractiveDirectory/InteractiveDirectory.ino
create mode 100644 examples/InteractiveFile/InteractiveFile.ino
create mode 100644 examples/InteractiveReadWrite/InteractiveReadWrite.ino
diff --git a/examples/InteractiveDirectory/InteractiveDirectory.ino b/examples/InteractiveDirectory/InteractiveDirectory.ino
new file mode 100644
index 0000000..15463c8
--- /dev/null
+++ b/examples/InteractiveDirectory/InteractiveDirectory.ino
@@ -0,0 +1,129 @@
+/*
+ SD card basic example
+ This example shows how to create and delete an SD card directory.
+
+ The circuit:
+ SD card attached to SPI bus as follows:
+ ** MOSI - pin 11
+ ** MISO - pin 12
+ ** CLK - pin 13
+ ** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
+ created by Abhijeet Kadam
+ This example code is in the public domain.
+*/
+#include <SPI.h>
+#include <SD.h>
+
+File myFile, root;
+String dir;
+int ch;
+void setup() {
+ // Open serial communications and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for native USB port only
+ }
+ Serial.print("Initializing SD card...");
+ if (!SD.begin(4))
+ {
+ Serial.println("initialization failed!");
+ while (1);
+ }
+
+ root = SD.open("/"); // create root reference.
+ Serial.println("initialization done.");
+
+ printDirectory(root, 0); // print directory and file list
+ Serial.println("1.Create Directory"); //ask user to input choice
+ Serial.println("2.Delete Directory");
+ Serial.println("Enter your choice:");
+ //wait for input
+ waitip();
+ ch = Serial.parseInt();//get choice input
+
+ if (ch == 1) //for creating directory
+ {
+ Serial.println("Enter directory name to create:");//ask user for directory name
+ waitip();
+ dir = Serial.readString();
+ dir.trim();
+
+ if (SD.exists(dir)) { //if directory already exists
+ Serial.println(dir + " already exists!");
+
+ } else { //if directory not exists create one
+ Serial.println(dir + " doesn't exist.");
+ Serial.println("Creating directory..");
+ SD.mkdir(dir); // creating directory
+
+ if (SD.exists(dir))
+ {
+ Serial.println(dir + " created!!");
+
+ } else
+ {
+ Serial.println("Error: " + dir + " not created");
+ }
+ }
+ }
+ else if (ch == 2) { //for deleting directory
+ Serial.println("Enter directory name to delete:");//ask user for directory name
+ waitip();
+ dir = Serial.readString();
+ dir.trim();
+ if (SD.exists(dir)) { //if directory already exists then delete it.
+ SD.rmdir(dir); //deleting directory.
+
+ if (SD.exists(dir))
+ {
+ Serial.println("Error: " + dir + " not deleted!!");
+ }
+ else {
+ Serial.println(" " + dir + " deleted!!");
+
+ }
+ }
+ else //if directory not exists then show error message.
+ {
+ Serial.println("Error: " + dir + " not exists!!");
+ }
+ }
+ else // if user enters wrong choice
+ {
+ Serial.println("Error:wrong choice!!");
+ }
+}
+
+void loop() {
+ // nothing happens after setup finishes.
+}
+
+void waitip()// wait for user input
+{
+ while (Serial.available() == 0)
+ {}
+}
+void printDirectory(File dir, int numTabs) // prints directory list
+{
+ while (true) {
+
+ File entry = dir.openNextFile();
+ if (! entry) {
+ // no more files
+ break;
+ }
+ for (uint8_t i = 0; i < numTabs; i++) {
+ Serial.print('\t');
+ }
+ Serial.print(entry.name());
+ if (entry.isDirectory()) {
+ Serial.println("/");
+ printDirectory(entry, numTabs + 1);
+ } else {
+ // files have sizes, directories do not
+ Serial.print("\t\t");
+ Serial.println(entry.size(), DEC);
+ }
+ entry.close();
+ }
+}
diff --git a/examples/InteractiveFile/InteractiveFile.ino b/examples/InteractiveFile/InteractiveFile.ino
new file mode 100644
index 0000000..0273209
--- /dev/null
+++ b/examples/InteractiveFile/InteractiveFile.ino
@@ -0,0 +1,137 @@
+/*
+ SD card basic example
+ This example shows how to create and delete an SD card file.
+
+ The circuit:
+ SD card attached to SPI bus as follows:
+ ** MOSI - pin 11
+ ** MISO - pin 12
+ ** CLK - pin 13
+ ** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
+ created by Abhijeet Kadam
+ This example code is in the public domain.
+
+*/
+
+#include <SPI.h>
+#include <SD.h>
+
+File myFile, root;
+int ch;
+String fname;
+
+void setup() {
+ // Open serial communications and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for native USB port only
+ }
+
+ Serial.print("Initializing SD card...");
+
+ if (!SD.begin(4)) {
+ Serial.println("initialization failed!");
+ while (1);
+ }
+ Serial.println("initialization done.");
+
+ // open the file. note that only one file can be open at a time,
+ // so you have to close this one before opening another.
+ root = SD.open("/"); // create root reference.
+ printDirectory(root, 0); // print directory and file list
+ Serial.println("1.Create File"); //ask user to input choice
+ Serial.println("2.Delete File");
+ Serial.println("Enter your choice:");
+ //wait for input
+ waitip();
+ ch = Serial.parseInt();//get choice input
+
+
+ if (ch == 1) //for creating file
+ {
+ Serial.println("Enter file name to create file:");//ask user for file name eg. test.txt
+ waitip();
+ fname = Serial.readString();
+ fname.trim();
+
+ if (SD.exists(fname)) { //if file already exists
+ Serial.println(fname + " already exists!");
+
+ } else { //if file not exists create one
+ Serial.println(fname + " doesn't exist.");
+ Serial.println("Creating file..");
+ myFile = SD.open(fname, FILE_WRITE); // creating file
+ myFile.close();
+ if (SD.exists(fname))
+ {
+ Serial.println(fname + " created!!");
+
+ } else
+ {
+ Serial.println("Error: " + fname + " not created");
+ }
+ }
+ }
+ else if (ch == 2) { //for deleting file
+ Serial.println("Enter file name to delete:");//ask user for file name
+ waitip();
+ fname = Serial.readString();
+ fname.trim();
+ if (SD.exists(fname)) { //if file already exists then delete it.
+
+ SD.remove(fname); // deleting file.
+
+ if (SD.exists(fname))
+ {
+ Serial.println("Error: " + fname + " not deleted!!");
+ }
+ else {
+ Serial.println(" " + fname + " deleted!!");
+
+ }
+ }
+ else //if file not exists then show error message.
+ {
+ Serial.println("Error: " + fname + " not exists!!");
+ }
+ }
+ else // if user enters wrong choice
+ {
+ Serial.println("Error:wrong choice!!");
+ }
+}
+
+void loop() {
+ // nothing happens after setup
+}
+
+void waitip()// wait for user input
+{
+ while (Serial.available() == 0)
+ {}
+}
+
+void printDirectory(File dir, int numTabs) // prints directory list
+{
+ while (true) {
+
+ File entry = dir.openNextFile();
+ if (! entry) {
+ // no more files
+ break;
+ }
+ for (uint8_t i = 0; i < numTabs; i++) {
+ Serial.print('\t');
+ }
+ Serial.print(entry.name());
+ if (entry.isDirectory()) {
+ Serial.println("/");
+ printDirectory(entry, numTabs + 1);
+ } else {
+ // files have sizes, directories do not
+ Serial.print("\t\t");
+ Serial.println(entry.size(), DEC);
+ }
+ entry.close();
+ }
+}
diff --git a/examples/InteractiveReadWrite/InteractiveReadWrite.ino b/examples/InteractiveReadWrite/InteractiveReadWrite.ino
new file mode 100644
index 0000000..05971f0
--- /dev/null
+++ b/examples/InteractiveReadWrite/InteractiveReadWrite.ino
@@ -0,0 +1,142 @@
+/*
+ SD card read/write
+
+ This example shows how to read and write data to and from an SD card file
+ The circuit:
+ SD card attached to SPI bus as follows:
+ ** MOSI - pin 11
+ ** MISO - pin 12
+ ** CLK - pin 13
+ ** CS - pin 4 (for MKRZero SD: SDCARD_SS_PIN)
+
+ created by Abhijeet Kadam
+
+ This example code is in the public domain.
+
+*/
+
+#include <SPI.h>
+#include <SD.h>
+
+String fname, fileData;
+int ch;
+File root, myFile;
+
+void setup() {
+ // Open serial communications and wait for port to open:
+ Serial.begin(9600);
+ while (!Serial) {
+ ; // wait for serial port to connect. Needed for native USB port only
+ }
+
+ Serial.print("Initializing SD card...");
+
+ if (!SD.begin(4)) {
+ Serial.println("initialization failed!");
+ while (1);
+ }
+ Serial.println("initialization done.");
+
+ root = SD.open("/"); // create root reference.
+ printDirectory(root, 0); // print directory and file list
+
+ Serial.println("1.Read File"); //ask user to input choice
+ Serial.println("2.Write File");
+ Serial.println("Enter your choice:");
+ //wait for input
+ waitip();
+ ch = Serial.parseInt();//get choice input
+
+ if (ch == 1) //for reading the file
+ {
+ Serial.println("Enter file name to read file data:");//ask user for file name eg. test.txt
+ waitip();
+ fname = Serial.readString();
+ fname.trim();
+
+ if (SD.exists(fname)) { //if file already exists
+
+ myFile = SD.open(fname);
+ if (myFile) {
+ Serial.println(" " + fname);
+
+ // read from the file until there's nothing else in it:
+ while (myFile.available()) {
+ Serial.write(myFile.read());
+ }
+ // close the file:
+ myFile.close();
+ }
+ }
+ else { //if file not exists show the message
+ Serial.println(fname + " doesn't exist.");
+ }
+ }
+
+ else if (ch == 2) { //writing to the file
+ Serial.println("Enter file name :");//ask user for file name
+ waitip();
+ fname = Serial.readString();
+ fname.trim();
+
+ myFile = SD.open(fname, FILE_WRITE);//open the file if file not exists create one
+
+ Serial.println("Enter data to store inside the file :");
+ waitip();
+ fileData = Serial.readString();
+ fileData.trim();
+ // if the file opened okay, write to it:
+ if (myFile) {
+ Serial.print("Writing to " + fname + "...");
+ myFile.println(fileData);
+ // close the file:
+ myFile.close();
+ Serial.println("done.");
+
+ } else {
+ // if the file didn't open, print an error:
+ Serial.println("error opening test.txt");
+ }
+ }
+
+ else // if user enters wrong choice
+ {
+ Serial.println("Error:wrong choice!!");
+ }
+}
+
+void loop() {
+ // nothing happens after setup
+}
+
+
+void waitip()// wait for user input
+{
+ while (Serial.available() == 0)
+ {}
+}
+
+void printDirectory(File dir, int numTabs) // prints directory list
+{
+ while (true) {
+
+ File entry = dir.openNextFile();
+ if (! entry) {
+ // no more files
+ break;
+ }
+ for (uint8_t i = 0; i < numTabs; i++) {
+ Serial.print('\t');
+ }
+ Serial.print(entry.name());
+ if (entry.isDirectory()) {
+ Serial.println("/");
+ printDirectory(entry, numTabs + 1);
+ } else {
+ // files have sizes, directories do not
+ Serial.print("\t\t");
+ Serial.println(entry.size(), DEC);
+ }
+ entry.close();
+ }
+}
From 100795e421711a656acadd14b20bc8812b265af5 Mon Sep 17 00:00:00 2001
From: KAbhijeet2105 <ajayaish5@gmail.com>
Date: Fri, 27 Mar 2020 09:44:56 +0530
Subject: [PATCH 2/2] bug fix
---
.../InteractiveDirectory.ino | 54 ++++++++-----------
examples/InteractiveFile/InteractiveFile.ino | 54 ++++++++-----------
.../InteractiveReadWrite.ino | 33 +++++-------
3 files changed, 60 insertions(+), 81 deletions(-)
diff --git a/examples/InteractiveDirectory/InteractiveDirectory.ino b/examples/InteractiveDirectory/InteractiveDirectory.ino
index 15463c8..25b2773 100644
--- a/examples/InteractiveDirectory/InteractiveDirectory.ino
+++ b/examples/InteractiveDirectory/InteractiveDirectory.ino
@@ -24,8 +24,7 @@ void setup() {
; // wait for serial port to connect. Needed for native USB port only
}
Serial.print("Initializing SD card...");
- if (!SD.begin(4))
- {
+ if (!SD.begin(4)) {
Serial.println("initialization failed!");
while (1);
}
@@ -40,33 +39,30 @@ void setup() {
//wait for input
waitip();
ch = Serial.parseInt();//get choice input
-
- if (ch == 1) //for creating directory
- {
+ //for creating directory
+ if (ch == 1) {
Serial.println("Enter directory name to create:");//ask user for directory name
waitip();
dir = Serial.readString();
dir.trim();
- if (SD.exists(dir)) { //if directory already exists
+ //if directory already exists
+ if (SD.exists(dir)) {
Serial.println(dir + " already exists!");
-
- } else { //if directory not exists create one
+ } else {
+ //if directory not exists create one
Serial.println(dir + " doesn't exist.");
Serial.println("Creating directory..");
SD.mkdir(dir); // creating directory
-
- if (SD.exists(dir))
- {
- Serial.println(dir + " created!!");
- } else
- {
+ if (SD.exists(dir)) {
+ Serial.println(dir + " created!!");
+ } else {
Serial.println("Error: " + dir + " not created");
}
}
- }
- else if (ch == 2) { //for deleting directory
+ } else if (ch == 2) {
+ //for deleting directory
Serial.println("Enter directory name to delete:");//ask user for directory name
waitip();
dir = Serial.readString();
@@ -74,22 +70,17 @@ void setup() {
if (SD.exists(dir)) { //if directory already exists then delete it.
SD.rmdir(dir); //deleting directory.
- if (SD.exists(dir))
- {
+ if (SD.exists(dir)) {
Serial.println("Error: " + dir + " not deleted!!");
- }
- else {
+ } else {
Serial.println(" " + dir + " deleted!!");
-
}
- }
- else //if directory not exists then show error message.
- {
+ } else {
+ //if directory not exists then show error message.
Serial.println("Error: " + dir + " not exists!!");
}
- }
- else // if user enters wrong choice
- {
+ } else {
+ // if user enters wrong choice
Serial.println("Error:wrong choice!!");
}
}
@@ -98,13 +89,14 @@ void loop() {
// nothing happens after setup finishes.
}
-void waitip()// wait for user input
-{
+// wait for user input
+void waitip() {
while (Serial.available() == 0)
{}
}
-void printDirectory(File dir, int numTabs) // prints directory list
-{
+
+// prints directory list
+void printDirectory(File dir, int numTabs) {
while (true) {
File entry = dir.openNextFile();
diff --git a/examples/InteractiveFile/InteractiveFile.ino b/examples/InteractiveFile/InteractiveFile.ino
index 0273209..9c6f50a 100644
--- a/examples/InteractiveFile/InteractiveFile.ino
+++ b/examples/InteractiveFile/InteractiveFile.ino
@@ -46,57 +46,49 @@ void setup() {
waitip();
ch = Serial.parseInt();//get choice input
-
- if (ch == 1) //for creating file
- {
- Serial.println("Enter file name to create file:");//ask user for file name eg. test.txt
+ //for creating file
+ if (ch == 1) {
+ Serial.println("Enter file name to create file:"); //ask user for file name eg. test.txt
waitip();
fname = Serial.readString();
fname.trim();
-
- if (SD.exists(fname)) { //if file already exists
+ //if file already exists
+ if (SD.exists(fname)) {
Serial.println(fname + " already exists!");
- } else { //if file not exists create one
+ } else {
+ //if file not exists create one
Serial.println(fname + " doesn't exist.");
Serial.println("Creating file..");
myFile = SD.open(fname, FILE_WRITE); // creating file
myFile.close();
- if (SD.exists(fname))
- {
+ if (SD.exists(fname)) {
Serial.println(fname + " created!!");
-
- } else
- {
+ } else {
Serial.println("Error: " + fname + " not created");
}
}
- }
- else if (ch == 2) { //for deleting file
+ } else if (ch == 2) {
+ //for deleting file
Serial.println("Enter file name to delete:");//ask user for file name
waitip();
fname = Serial.readString();
fname.trim();
- if (SD.exists(fname)) { //if file already exists then delete it.
-
+ //if file already exists then delete it.
+ if (SD.exists(fname)) {
SD.remove(fname); // deleting file.
- if (SD.exists(fname))
- {
+ if (SD.exists(fname)) {
Serial.println("Error: " + fname + " not deleted!!");
- }
- else {
+ } else {
Serial.println(" " + fname + " deleted!!");
-
}
- }
- else //if file not exists then show error message.
- {
+ } else {
+ //if file not exists then show error message.
Serial.println("Error: " + fname + " not exists!!");
}
- }
- else // if user enters wrong choice
- {
+ } else {
+ // if user enters wrong choice
Serial.println("Error:wrong choice!!");
}
}
@@ -105,14 +97,14 @@ void loop() {
// nothing happens after setup
}
-void waitip()// wait for user input
-{
+// wait for user input
+void waitip() {
while (Serial.available() == 0)
{}
}
-void printDirectory(File dir, int numTabs) // prints directory list
-{
+// prints directory list
+void printDirectory(File dir, int numTabs) {
while (true) {
File entry = dir.openNextFile();
diff --git a/examples/InteractiveReadWrite/InteractiveReadWrite.ino b/examples/InteractiveReadWrite/InteractiveReadWrite.ino
index 05971f0..5b1e5b5 100644
--- a/examples/InteractiveReadWrite/InteractiveReadWrite.ino
+++ b/examples/InteractiveReadWrite/InteractiveReadWrite.ino
@@ -47,19 +47,19 @@ void setup() {
waitip();
ch = Serial.parseInt();//get choice input
- if (ch == 1) //for reading the file
- {
+ //for reading the file
+ if (ch == 1) {
Serial.println("Enter file name to read file data:");//ask user for file name eg. test.txt
waitip();
fname = Serial.readString();
fname.trim();
- if (SD.exists(fname)) { //if file already exists
+ if (SD.exists(fname)) {
+ //if file already exists
myFile = SD.open(fname);
if (myFile) {
Serial.println(" " + fname);
-
// read from the file until there's nothing else in it:
while (myFile.available()) {
Serial.write(myFile.read());
@@ -67,13 +67,12 @@ void setup() {
// close the file:
myFile.close();
}
- }
- else { //if file not exists show the message
+ } else {
+ //if file not exists show the message
Serial.println(fname + " doesn't exist.");
}
- }
-
- else if (ch == 2) { //writing to the file
+ } else if (ch == 2) {
+ //writing to the file
Serial.println("Enter file name :");//ask user for file name
waitip();
fname = Serial.readString();
@@ -92,15 +91,12 @@ void setup() {
// close the file:
myFile.close();
Serial.println("done.");
-
} else {
// if the file didn't open, print an error:
Serial.println("error opening test.txt");
}
- }
-
- else // if user enters wrong choice
- {
+ } else {
+ // if user enters wrong choice
Serial.println("Error:wrong choice!!");
}
}
@@ -109,15 +105,14 @@ void loop() {
// nothing happens after setup
}
-
-void waitip()// wait for user input
-{
+// wait for user input
+void waitip() {
while (Serial.available() == 0)
{}
}
-void printDirectory(File dir, int numTabs) // prints directory list
-{
+// prints directory list
+void printDirectory(File dir, int numTabs) {
while (true) {
File entry = dir.openNextFile();