arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-06-17 22:23:10 +03:00
Code Activity

Adding warning about leaving the hardware SS pin as an output.

Browse Source
This commit is contained in:
David A. Mellis
2010-11-21 17:11:17 -05:00
parent 29384e2f61
commit 012b4b0f0f
2 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
libraries/SD/examples/Files/Files.pde
View File

@ -6,7 +6,10 @@ void setup()
{ {
Serial.begin(9600); Serial.begin(9600);
Serial.print("Initializing SD card..."); Serial.print("Initializing SD card...");
// On the Ethernet Shield, CS is pin 4. // On the Ethernet Shield, CS is pin 4. Note that even if it's not
// used as the CS pin, the hardware SS pin (10 on most Arduino boards,
// 53 on the Mega) must be left as an output or the SD library
// functions will not work.
if (!SD.begin(4)) { if (!SD.begin(4)) {
Serial.println("failed!"); Serial.println("failed!");
return; return;

5
libraries/SD/examples/ReadWrite/ReadWrite.pde
View File

@ -6,7 +6,10 @@ void setup()
{ {
Serial.begin(9600); Serial.begin(9600);
Serial.print("Initializing SD card..."); Serial.print("Initializing SD card...");
// On the Ethernet Shield, CS is pin 4. // On the Ethernet Shield, CS is pin 4. Note that even if it's not
// used as the CS pin, the hardware SS pin (10 on most Arduino boards,
// 53 on the Mega) must be left as an output or the SD library
// functions will not work.
if (!SD.begin(4)) { if (!SD.begin(4)) {
Serial.println("failed!"); Serial.println("failed!");
return; return;