daily_automated

trunk/Arduino/libraries/SdFat/extras/SdFatTestSuite/examples/StressTest/StressTest.ino

@@ -0,0 +1,76 @@
+// This stress test will create and write files until the SD is full.
+#include <SPI.h> 
+#include <SdFat.h>
+
+// SD chip select pin.
+const uint8_t SD_CS_PIN = SS;
+
+// Set write buffer size.
+#ifdef __arm__
+#ifndef CORE_TEENSY
+// Due
+const size_t BUF_SIZE = 32768;
+#else  // CORE_TEENSY
+// Teensy 3.0
+const size_t BUF_SIZE = 8192;
+#endif  // CORE_TEENSY
+#elif defined(RAMEND) && RAMEND > 5000
+// AVR with more than 4 KB RAM
+const size_t BUF_SIZE = 4096;
+#else  // __arm__
+// other
+const size_t BUF_SIZE = 512;
+#endif  // __arm__
+
+const size_t FILE_SIZE_KB = 10240;
+const uint16_t BUFS_PER_FILE = (1024L*FILE_SIZE_KB/BUF_SIZE);
+
+SdFat sd;
+
+SdFile file;
+
+uint8_t buf[BUF_SIZE];
+char name[13];
+//------------------------------------------------------------------------------
+void setup() {
+  Serial.begin(9600);
+  Serial.print("BUF_SIZE ");
+  Serial.println(BUF_SIZE);
+  Serial.println("Type any character to start");
+  while (Serial.read() < 0) {}
+  
+  if (!sd.begin(SD_CS_PIN))sd.errorHalt("sd.begin");
+  
+  // Fill buf with known value.
+  for (size_t i = 0; i < BUF_SIZE; i++) buf[i] = i;
+  
+  // Wait to begin.
+  do {delay(10);} while (Serial.read() >= 0);
+  Serial.println("Type any character to stop after next file");
+}
+//------------------------------------------------------------------------------
+void loop() {
+  // Free KB on SD.
+  uint32_t freeKB = sd.vol()->freeClusterCount()*sd.vol()->blocksPerCluster()/2;
+
+  Serial.print("Free KB: ");
+  Serial.println(freeKB);
+  if (freeKB < 2*FILE_SIZE_KB) {
+    Serial.println(" Done!");
+    while(1);
+  }
+  sprintf(name, "%lu.DAT", freeKB);
+  if (!file.open(name, O_WRITE | O_CREAT | O_TRUNC)) {
+    sd.errorHalt("Open error!");
+  }
+  for (uint16_t i = 0; i < BUFS_PER_FILE; i++) {
+    if (file.write(buf, BUF_SIZE) != BUF_SIZE) {
+      sd.errorHalt("Write error!");
+    }
+  }
+  file.close();
+  if (Serial.available()) {
+    Serial.println("Stopped!");
+    while(1);
+  }
+}